San Marino Property Tax: Rates, Calc & LA Assessor Info

San Marino Property Tax rates combine a base 1% general levy with local assessments that vary by parcel type, so owners can calculate their bill by adding the cadastral value of the property to any San Marino municipal tax on land and the historic building surcharge if applicable. The Los Angeles County Office of the Assessor supplies the official property tax appraisal process through its public portal maps.assessor.lacounty.gov, where users enter the APN to see the assessed value, tax brackets in San Marino, and any tax exemption for primary residence San Marino. Foreign buyers and overseas investors should verify the San Marino tax residency requirements because the fiscal code for property may trigger a separate real estate transaction tax and stamp duty. Senior citizens can check eligibility for property tax relief for seniors San Marino, which reduces the annual property levy.

San Marino Property Tax filing deadline falls in the first quarter of the year, and payments can be made online via the Los Angeles County Treasurer’s portal or by mail to the assessor’s address at 500 W. Temple Street, Room 225, Los Angeles, CA 90012. Property tax calculation San Marino also factors in the capital gains tax on property sales and the tax payable on rental income, so owners should consult the assessor’s office at (213) 974‑3211 for clarification on any exemptions or incentives for eco‑friendly homes. The San Marino real estate tax rates are published annually, and the Los Angeles County Registrar‑Recorder/County Clerk provides the deed recording services needed for a complete transaction.

Search San Marino City Property Tax

San Marino City Property Tax records sit inside the Los Angeles County system. The Los Angeles County Office of the Assessor runs the public portal that holds every parcel map, assessed value, and ownership file for the city. Residents and buyers can pull up a bill, see the most recent sale, and check any open exemption claims.

Follow these steps to pull a San Marino City Property Tax record online:

1. Open the public portal at https://maps.assessor.lacounty.gov
2. Type the Assessor Identification Number (AIN) or the full street address into the search bar
3. Pick the parcel from the drop-down list of matches
4. Read the property summary card for the assessed value, year built, lot size, and last sale date
5. Click the “Tax” tab to see the secured bill amount, installment status, and any penalties
6. Use the “Exemptions” tab to check the homeowner’s exemption or senior relief status
7. Click “Map” to view the parcel shape, zoning layer, and school district boundary
8. Print or download the PDF summary for your records

What the Search Portal Shows

The Assessor portal covers every parcel inside Los Angeles County, including San Marino City. The tool pulls data from the County Assessor, the Treasurer and Tax Collector, and the Registrar-Recorder. Records refresh each business day after the source offices finish their nightly update job.

Users can see the following on a single parcel page:

• Assessed value and Proposition 13 base year
• Documentary transfer tax recorded on the most recent deed
• Tax-default status from the Treasurer and Tax Collector
• Open exemption files and their approval date
• Parcel map with the lot outline, street frontage, and adjacent parcels
• Census tract, school district, and City of San Marino boundary overlays

Phone and Office Help for the Portal

Call the Los Angeles County Office of the Assessor at (213) 974-3211 if the search returns a blank record or a wrong parcel. The Help Desk team can also reset a locked account or clear a mapping error on older lots. Owners can also reach the Help Desk by email at helpdesk@assessor.lacounty.gov. Effective March 26, 2026, the North District office in Sylmar has closed, and its public services have temporarily moved to the Downtown Los Angeles headquarters location.

San Marino City Property Tax Rates and Levies

San Marino City Property Tax rates follow the statewide California rules plus a local voter-approved measure. The state sets a base 1% general levy on every parcel. San Marino voters have added a Public Safety Parcel Tax that sits on top of the base rate, and the San Marino City Council recently voted to raise that parcel tax by 5% for the upcoming fiscal year.

The City of San Marino sits in Los Angeles County, so the County can also place its own levies for various services. Schools in the San Marino Unified School District may add a school bond rate when a measure is active.

How the Rate Stack Builds the Bill

A tax bill grows in layers. Each layer is a percentage of the assessed value. Owners pay all layers in one bill, but the Treasurer and Tax Collector splits the amount into secured (real property) and unsecured (business personal property) groups.

Average Bill for a San Marino Home

Los Angeles County data shows the average homeowner pays around $5,332 per year in property taxes with an effective rate near 1.21%. San Marino homes often sit above the county average because assessed values run higher than many other cities. The effective rate stays close to the statewide Prop 13 ceiling because voter-approved add-ons stay small.

Property Tax Calculation San Marino

Property tax calculation San Marino starts with the assessed value, not the market price. The Assessor applies Proposition 13 rules and then adds any active exemptions. The Treasurer multiplies the final taxable value by the combined tax rate to set the annual bill.

The math follows a simple chain:

1. Start with the Prop 13 base year value
2. Add the 2% annual inflation factor each year
3. Add any new construction value
4. Subtract any active exemption amount
5. Multiply the taxable value by the combined tax rate
6. Split the result into two installments

Worked Example for a San Marino Home

A home with a 2020 base value of $1,500,000 and no exemption in 2026 looks like this:

• 2020 base value: $1,500,000
• 2% increase for six years: $187,360 (rounded)
• 2026 assessed value: $1,687,360
• Combined tax rate (1% + voter add-ons): 1.21%
• Annual bill: $20,417

The Treasurer splits the annual bill into two installments each fiscal year. Owners should refer to the Los Angeles County Treasurer and Tax Collector’s official website for the current installment due dates and any applicable delinquency schedules and penalty rules.

Cadastral Value San Marino

Cadastral value San Marino refers to the parcel-level data stored in the County Assessor system. The file holds lot size, zoning code, building footprint, year built, and any recorded land features. Lenders and title companies pull this file during escrow.

The cadastral record also tracks the:

• Property Identification Number (AIN)
• Census tract and block number
• School, water, and fire district codes
• Last recorded deed reference number
• Recorded easements and right-of-way notes

How the Cadastral Map Is Built

The County Surveyor draws parcel lines on the master map. Each split, merge, or lot line adjustment creates a new map page that the Assessor links to the parcel file. San Marino properties update their cadastral layer when a new tract map records at the Registrar-Recorder office.

Tax Exemption for Primary Residence San Marino

The tax exemption for primary residence San Marino is the California Homeowners’ Exemption (HOX). It applies to owner-occupied single-family homes, condos, and co-ops. The exemption lowers the assessed value by a fixed amount set by state law, which in turn reduces the annual bill.

To file for HOX, owners typically must:

1. Live in the home as their main residence on the lien date of the tax year
2. Own the home (partial owners can claim a partial amount)
3. File the appropriate claim form with the Assessor
4. Re-file if the property changes ownership or use

Other Exemptions That Lower the Bill

San Marino owners can stack other programs on top of HOX when they qualify. Owners should refer to the Los Angeles County Assessor for the current eligibility rules, claim forms, and benefit amounts for each program.

Property Tax Relief for Seniors San Marino

Property tax relief for seniors San Marino comes from the California Senior Citizens Property Tax Postponement Program and the local HOX stacking rule. Seniors who meet the program’s income and equity requirements can postpone part of the bill each year and pay it back when the home sells or the owner passes away.

Owners should check the current program rules with the State of California, since income caps, equity limits, and insurance requirements are updated periodically. Typical qualifications include:

• Be at least 62 years old
• Own and live in the home as the main residence
• Have a household income under the program cap
• Carry debt under the program’s equity limit
• Hold fire insurance that covers the postponed amount

Other Senior-Friendly Programs

The State Controller’s Franchise Tax Board can issue a Senior Homeowner Tax Credit on the state return. Some San Marino seniors also qualify for a small refundable credit that arrives after the state income tax filing. The credit amount depends on the county and the household income, so owners should check the current year’s FTB guidance.

Foreign Buyer Property Tax San Marino

Foreign buyer property tax San Marino follows the same base rules as any owner. The California Constitution does not allow a higher property tax rate for non-citizens. Foreign buyers pay the 1% general levy plus all local voter add-ons, just like a domestic owner.

What changes for a foreign buyer is the federal holding period and the FIRPTA rule. FIRPTA (Foreign Investment in Real Property Tax Act) generally requires the buyer to withhold a portion of the sales price for the IRS when the seller is a foreign person. The buyer remits the withholding to the IRS within the federal deadline after closing.

Overseas Investor Property Tax San Marino

Overseas investor property tax San Marino is the same base rate. The investor may also be subject to federal estate tax if the value of U.S. real estate crosses the federal filing threshold. Some treaties lower the estate tax on U.S. property for citizens of partner countries.

Overseas investors should also keep an eye on:

• State income tax on rental cash flow
• Federal income tax on U.S.-source rental income
• Annual federal reporting on forms such as Form 5472 for foreign-owned U.S. entities
• State franchise tax if the investor holds title through a U.S. LLC or corporation

San Marino Tax Residency Requirements

San Marino tax residency requirements only matter at the state level, not the city level. California is a part-year and non-resident state. The Franchise Tax Board treats a person as a California resident if they spend more than nine months in the state or meet the “closer connection” test.

For property tax, the state only looks at the registered voter, DMV, and tax returns. A non-resident owner can still claim the Homeowners’ Exemption only if the home is a true primary residence. Rental property does not count, even if the owner spends part of the year in San Marino.

San Marino Fiscal Code for Property

San Marino fiscal code for property is the Assessor’s use code. The code tells the Assessor how to value the parcel, which exemption to apply, and which tax rate group to assign. Common San Marino codes include:

• 0100: Single-family residence
• 0200: Condominium
• 0300: Vacant residential land
• 0500: Multiple residential (duplex, triplex)
• 1100: Commercial office
• 1700: Institutional (school, church, hospital)

Each code links to a valuation method. Single-family homes use the standard sales comparison approach. Commercial property can use the income approach if the Assessor pulls rent data from the market.

Property Tax Filing Deadline San Marino

Property tax filing deadline San Marino is not a single date. The state splits the year into two secured property tax installments. The Assessor sets the roll each year by July 1, and the Treasurer mails the bills in the fall.

For the exact installment due dates, delinquency cutoffs, and penalty rates, owners should check the Los Angeles County Treasurer and Tax Collector’s official website, since those dates and amounts are updated each year. As a general rule:

1. First installment is billed in the fall of each year
2. Second installment is billed in early winter of each year

Unsecured property (business fixtures, boats, aircraft) bills arrive on a different schedule. A Supplemental bill can also arrive any time of year if a change-of-ownership record triggers a new assessment.

Late Payment Penalties

California law sets penalty rules for unpaid installments. Owners should refer to the Treasurer and Tax Collector for the current penalty rate, any cost added to bills that remain unpaid past the fiscal year, and any redemption fee that applies if a parcel goes to tax-default auction.

Real Estate Transaction Tax San Marino

Real estate transaction tax San Marino is the California Documentary Transfer Tax. The Los Angeles County Recorder collects a Documentary Transfer Tax at the rate set by state law. A city or county can add its own Documentary Transfer Tax, and San Marino does not levy an extra city rate.

The Recorder calculates the tax at recording using the full sales price on the deed. The Documentary Transfer Tax is not a property tax, but it shows up on the recorded document and is public record.

Stamp Duty San Marino Property

California does not charge a federal-style stamp duty on real estate. The closest match is the Documentary Transfer Tax described above. Some private mortgage lenders add a “mortgage recording tax” cost, but it is a lender fee, not a state charge.

Federal stamp duties on stocks and bonds do not apply to real estate. The IRS uses capital gains rules instead.

Capital Gains Tax on Property Sales San Marino

Capital gains tax on property sales San Marino comes from federal and state income tax. The seller reports the gain on the federal Form 1040 Schedule D and the California Form 540 Schedule D. The capital gain is the sale price minus the original cost basis plus any selling costs and improvements.

California taxes capital gains the same way it taxes wages. The top state rate is higher than many states, so sellers in San Marino often see a bigger state bite than in other parts of the country.

Primary Residence Exclusion

Federal tax law allows a single owner to exclude a portion of capital gains on a primary residence, with a higher combined limit for married couples. The owner must have lived in the home for at least two of the last five years. Investment property does not qualify for the exclusion. Owners should check the current IRS Section 121 exclusion amounts before filing.

Tax Payable on Rental Income San Marino

Tax payable on rental income San Marino hits both federal and state returns. The owner reports net rental income on federal Schedule E and California Schedule E. Owners can typically deduct mortgage interest, property tax, insurance, repairs, depreciation, and management fees, subject to current IRS and FTB rules.

Depreciation is a key deduction. A residential rental can depreciate the building over the federal recovery period, generally straight-line. The land is not depreciable. When the property sells, the IRS treats prior depreciation as recapture, taxed at the federal recapture rate.

Local Lodging and Short-Term Rentals

San Marino rules restrict most short-term rentals in residential zones. A long-term rental is treated like any other residential lease. The owner files the same state return but should also check with the City of San Marino Planning Department for the local permit rules.

Property Tax Brackets in San Marino

Property tax brackets in San Marino do not exist in the way income tax brackets do. The 1% Prop 13 cap is flat. Voter-approved add-ons sit on top of that flat rate. The system does not “tier” by property value.

What changes with value is the dollar amount, not the rate. A $1 million home and a $2 million home pay the same percentage but the dollar amount doubles. Some local add-ons are flat fees per parcel, so a $1 million home actually pays a slightly higher effective rate than a $2 million home on those flat-fee layers.

Property Tax of Historic Buildings San Marino

Property tax of historic buildings San Marino gets special treatment under the California Mills Act. The Mills Act contract lets the owner restore a qualified historic property in exchange for a lower assessed value. The Assessor signs a 10-year renewable contract, and the property tax savings can be significant compared to the regular bill.

San Marino has many historic homes, so the Mills Act is a popular tool. To qualify, the property must be on a local, state, or national historic register. The owner must meet the contract’s annual maintenance and restoration spending requirements, which the city reviews each year.

Other Historic Preservation Tools

Federal rehabilitation tax credits apply to certified historic structures that produce income. The credit applies to income-producing buildings, not private homes. San Marino owners of mixed-use or commercial historic buildings can sometimes stack the Mills Act with the federal credit, subject to IRS and state program rules.

Tax Incentives for Eco-Friendly Homes San Marino

Tax incentives for eco-friendly homes San Marino come from state and federal sources, not the property tax bill itself. The property tax side offers a break through the new construction exclusion. A solar, wind, or geothermal system does not add assessed value if the owner files the right form with the Assessor.

The Assessor’s renewable energy exclusion form keeps the value of the renewable system out of the assessed value. The system must be new and installed at the same time as new construction or as a stand-alone addition to the property.

Federal and State Energy Credits

Federal tax credits cover a portion of solar, battery storage, and heat pump costs. The California Energy Commission runs a separate rebate program for low-income households. San Marino owners can also apply for SCE rebate programs on the electric side.

San Marino Municipal Tax on Land

San Marino municipal tax on land refers to the voter-approved San Marino Public Safety Parcel Tax. The current rate sits at a fixed dollar amount per parcel, not a percentage of value. The City Council can raise the rate each year, and the latest raise was 5% for the new fiscal year.

The parcel tax shows up on the property tax bill as a separate line item. The City of San Marino receives the revenue directly. The money funds police, fire, and paramedic services in the city.

Annual Property Levy San Marino

Annual property levy San Marino is the total bill from the Treasurer and Tax Collector. The bill combines the secured property tax, the unsecured personal property tax, and any direct assessments. The Treasurer mails one bill that covers all layers.

Key dates in the annual cycle (refer to the Treasurer and Tax Collector for the current calendar):

• January 1: Lien date for the tax year
• July 1: Assessor closes the secured roll
• Fall: First installment is mailed and due
• Early winter: Second installment is mailed and due
• June 30: End of fiscal year
• July 1: Tax-default auction eligibility can begin, per state law

Property Tax Payment Methods San Marino

Property tax payment methods San Marino include online, mail, phone, and in-person options. The Los Angeles County Treasurer and Tax Collector runs the payment portal. San Marino owners can use a check, e-check, or credit card; the Treasurer’s website lists the current accepted forms and any service-provider fees for each method.

Property Tax Installment Plans

California law allows the Treasurer to offer a discount for early payment of the second installment under a state-authorized program. The program only covers a limited number of parcels each year. A hardship deferral is also available for owners who face a temporary financial crisis. Owners should check the Treasurer’s website for the current enrollment rules and discount amounts.

Property Tax Appraisal Process San Marino

Property tax appraisal process San Marino starts at the Assessor’s office and follows the state revenue and taxation code. The Assessor builds the assessed value, applies any exemptions, and certifies the roll. The owner can appeal the value through the Assessment Appeals Board.

The appraisal process moves in five steps:

1. Data collection: Sales, rents, costs, and construction records are pulled
2. Valuation: The Assessor applies the sales comparison, cost, or income approach
3. Notification: The owner gets a notice of the new assessed value
4. Owner review: The owner checks the data and may file an informal request
5. Formal appeal: The owner files an Assessment Appeal application with the Clerk of the Board within the appeal window stated on the notice

Decline-in-Value (Prop 8) Adjustments

California Proposition 8 allows the Assessor to lower the assessed value when the market value falls below the Prop 13 value. The temporary reduction lasts until the market rebounds. San Marino owners should file a Prop 8 request each year the value falls, following the Assessor’s current filing instructions.

Real Estate Ownership Tax San Marino

Real estate ownership tax San Marino is just another name for the annual property tax bill. The bill attaches to the property, not the owner. Whoever owns the parcel on the January 1 lien date is responsible for the full fiscal year bill.

When a sale closes mid-year, the escrow company prorates the bill. The seller pays for the days they owned the home, and the buyer pays for the rest. The new owner then handles all future bills under the new ownership record.

San Marino Tax Authority Contact

San Marino tax authority contact information starts with the Los Angeles County Office of the Assessor. The Assessor handles valuation, exemptions, and the assessment appeal intake. The Treasurer and Tax Collector handles billing, payment, and penalty issues. The Registrar-Recorder handles deed recording and ownership changes.

San Marino owners can call the Assessor at (213) 974-3211 or email helpdesk@assessor.lacounty.gov. For billing and payment questions, owners should contact the Los Angeles County Treasurer and Tax Collector through the official county website. For deed and ownership questions, owners should contact the Los Angeles County Registrar-Recorder through the official county website.

Mail and In-Person Options

San Marino owners can visit the Assessor’s Downtown Los Angeles headquarters for in-person help. The Registrar-Recorder and Treasurer each maintain their own office locations, which are listed on their official county websites. The San Marino City Hall handles only local matters and does not process state property tax filings.

Property Tax of Special San Marino Parcels

Property tax of special San Marino parcels covers unique situations like new construction, lot splits, and trust transfers. Each event can trigger a supplemental assessment or a change-of-ownership reassessment.

New Construction

New construction adds value to the parcel on the completion date. The Assessor sends a Supplemental bill for the added value. The owner can apply for the new construction exclusion for solar, fire safety, or seismic upgrades under specific California rules.

Lot Splits and Mergers

Lot splits and mergers require a new parcel map at the County Surveyor. The Assessor updates the cadastral value and issues new parcel numbers. Each new parcel gets its own AIN, and the owner files the parent-to-child exclusion paperwork if the split qualifies.

Trust, LLC, and Inheritance Transfers

Trust, LLC, and inheritance transfers can avoid a full reassessment under Proposition 19 and other rules. The owner files the proper form with the Assessor within the filing window set by state law. The base year value can carry forward in many cases.

San Marino City Property Tax Records and Public Access

San Marino City Property Tax records are public. Anyone can view the assessed value, exemptions, and tax-default status of a parcel through the Assessor portal. The Registrar-Recorder provides the same kind of access for deeds, liens, and mortgage documents.

Public access tools include the official Los Angeles County Assessor website at https://assessor.lacounty.gov and the Assessor map portal at https://maps.assessor.lacounty.gov. The Treasurer and Tax Collector and the Registrar-Recorder each maintain their own official public search tools on the Los Angeles County website.

Bulk Data and Researcher Access

The Assessor publishes a Property Assessment Information file each year. The file lists every parcel, its assessed value, and its owner record. Researchers, title companies, and appraisers use the file for market studies. The file is large and updates each spring.

San Marino City Property Tax and the Annual Budget

San Marino City Property Tax collections fund a wide range of city services. The biggest line items are police, fire, and paramedic response. Smaller amounts fund street repair, parks, library operations, and senior services.

The City Council reviews the budget each June. The Treasurer reports the property tax revenue to the Council as part of the budget process. A small variance between projected and actual collections is normal because supplemental bills and penalty payments shift the final number.

San Marino City Property Tax Exemptions Beyond HOX

San Marino City Property Tax exemptions beyond HOX include the church, school, and nonprofit exemption. The owning organization files the welfare exemption claim with the Assessor. The organization must be a qualifying 501(c)(3) or a religious organization that meets the legal test.

Other targeted exemptions include:

• Disabled veterans’ exemption, which reduces the assessed value per state program rules
• Public school district property that the State Constitution exempts
• Federal property held by a government agency
• Charitable hospitals and orphanages under long-standing case law
• Cemetery property held by a qualifying nonprofit

San Marino City Property Tax Appeal Strategy

A San Marino City Property Tax appeal works best with three pieces of evidence: comparable sales, market trend data, and a photo file. The owner files the appeal online at the Clerk of the Board website within the appeal window set by state law, which is stated on the Assessor’s value notice.

An effective appeal package includes:

1. At least three closed sales within the last year
2. Comparable sales that match the subject’s lot size, age, and quality
3. A market trend report from a licensed appraiser or broker
4. Photos that show the actual condition of the subject property
5. A repair cost estimate for any major defects

San Marino City Property Tax for Investment Property

San Marino City Property Tax for investment property follows the same rate rules, but a different exemption picture. The Homeowners’ Exemption does not apply to a rental. The owner can still claim the Mills Act for historic income-producing property and the new construction exclusion for energy upgrades.

Investment property owners also pay attention to:

• Proposition 193 base year transfer for parent-to-child inherited property
• Proposition 19 rules that tightened the parent-to-child exclusion in 2021
• Capital gains timing for a 1031 exchange into a replacement property
• State and local rent control rules when they apply to the parcel

San Marino City Property Tax and Disaster Relief

San Marino City Property Tax disaster relief programs help owners who face damage from fire, flood, or earthquake. The Governor must declare a disaster for the program to open. The Assessor can lower the assessed value to reflect the damage, and the Treasurer can cancel late penalties for the year.

The 2026 wildfires in Los Angeles County opened up the program in several areas. San Marino owners who suffered damage should file the appropriate claim with the Assessor and submit a Request for Penalty Cancellation to the Treasurer.

San Marino City Property Tax Planning Tips

San Marino City Property Tax planning starts with the Prop 13 base year. The base year sets the long-term value of the parcel. Buyers who lock in a low base year enjoy slower tax growth. Sellers who trigger a higher base year can offset the gain with a 1031 exchange into a like-kind property.

Other planning moves include:

• Pulling the parcel record each year to catch Assessor errors
• Filing a Prop 8 request when market value falls below the Prop 13 value
• Stacking HOX with the disabled veteran exemption when possible
• Using the Mills Act contract for a qualified historic property
• Tracking the federal estate tax exemption to plan an inheritance transfer

San Marino City Property Tax and Recent Statewide Changes

San Marino City Property Tax changes over the last few years include Proposition 19, the wildfire relief rules, and the ongoing post-pandemic valuation reset. Each change tweaks the appeal rules, the parent-to-child exclusion, and the disaster relief window.

Owners should keep an eye on:

• Proposition 19 limits on the parent-to-child and grandparent-to-grandchild exclusion

• Wildfire relief deadlines and the Penalty Cancellation form for the 2026 fires

• State Assembly bills that propose changes to the Prop 13 cap
• Local ballot measures that can add or remove a parcel tax
• Federal action on the SALT deduction that affects itemized state tax claims

San Marino City Property Tax and Insurance

San Marino City Property Tax and insurance are linked through the Senior Postponement Program. The owner must carry fire insurance equal to the amount being postponed. The policy protects the state from loss if the home is destroyed while the deferred amount is still open.

Insurance does not reduce the property tax bill on its own. The two costs run in parallel. The Treasurer collects the bill, and the insurance carrier covers the rebuild cost if a covered event occurs.

San Marino City Property Tax and the Countywide Levy

San Marino City Property Tax includes a small Los Angeles County share. The County uses its share for health services, courts, child support, parks, and the Sheriff’s patrol contract. The County Board of Supervisors can place its own parcel tax on the ballot, and voters across the County decide the result.

The County rate is small compared to the state base, but it can grow when the voters approve new measures. Each measure is listed as a separate line item on the secured property tax bill.

San Marino City Property Tax for Trust Property

San Marino City Property Tax for trust property often avoids a full reassessment. A transfer into a revocable living trust does not change the owner of record for property tax purposes. The Assessor keeps the original Prop 13 base year. An irrevocable trust can be different and may trigger a new assessment.

Key rules for trust property:

• Revocable trust: no change in ownership for property tax
• Irrevocable trust: possible change in ownership if the trustor keeps no powers
• Family trust: can qualify for the parent-to-child exclusion if the rules are met
• Trustee sale: counted as a regular change of ownership and triggers a new base year

San Marino City Property Tax Forms and Where to Get Them

San Marino City Property Tax forms are hosted on the Assessor and Treasurer websites. The most common claim forms, appeal applications, and relief requests are listed on the Los Angeles County Assessor’s forms page at https://assessor.lacounty.gov/forms. Owners should always pull the current version of each form before filing.

Contact, Local Details, and Map

San Marino owners can reach the Los Angeles County Office of the Assessor through the channels below. These are the official records, help desk, and search tools for the San Marino City Property Tax system. The North District office in Sylmar closed on March 26, 2026, and its public services have temporarily moved to the Downtown Los Angeles headquarters location.

Los Angeles County Office of the Assessor

• Official Website URL: https://assessor.lacounty.gov
• Direct Public Search Portal Link: https://maps.assessor.lacounty.gov
• Main Phone: (213) 974-3211
• Official Email: helpdesk@assessor.lacounty.gov
• Current Assessor: Jeff Prang, 27th Assessor of Los Angeles County

Frequently Asked Questions

San Marino property tax is managed by the Los Angeles County Office of the Assessor. Knowing the tax rate, filing deadline, and how to access your bill can save time and money. Below are the most common queries from homeowners and buyers in San Marino, California.

What is the current property tax rate for homes in San Marino, CA?

The Los Angeles County Assessor applies the countywide general levy of about 1 percent plus voter‑approved assessments. For San Marino properties the effective rate hovers around 1.20 percent of the assessed (cadastral) value. Use the Assessor’s portal at https://maps.assessor.lacounty.gov to view the exact rate for a specific parcel.

How can I view or print my San Marino property tax bill online?

Visit the Assessor’s public portal, enter the parcel’s AIN or address, and select “Tax Bill.” The site shows the current bill, payment history, and any exemption status. After logging in, click “Print” to create a PDF copy. If you need help, call (213) 974‑3211.

When is the property tax payment deadline for San Marino owners?

Los Angeles County requires two installments: the first is due on November 1 and becomes delinquent after December 10; the second is due on February 1 and is delinquent after March 10. Check the Treasurer’s portal for any changes each year.

What exemptions are available for a primary residence in San Marino?

Homeowners may claim the Homeowners’ Exemption, which reduces the assessed value by $7,000. Seniors (65 or older) can apply for an additional senior exemption that further lowers taxable value. Submit the exemption request through the Assessor’s online form or mail it to 500 W. Temple Street, Room 225, Los Angeles, CA 90012.

How do I appeal a high property assessment in San Marino?

First, gather recent sales data for comparable parcels from the Assessor’s portal. Then complete an Appeal Request Form and file it with the Assessment Appeals Board before the deadline listed on your notice—typically 60 days after the assessment notice. Contact the Assessor’s office at (213) 974‑3211 for assistance or visit the office in downtown Los Angeles.