Los Angeles County Property Tax Assessor
Search by AIN, Address, Tax Bill, Map and Recorded Documents
Los Angeles property tax assessor searches should start with the official Los Angeles County Assessor Portal. This guide shows you how to use AIN or address search, find assessed value, understand who handles tax bills, pay property taxes, look up real estate records, file a value appeal, apply for homeowner exemption and avoid common county-office confusion.
Use the official Los Angeles County Assessor Portal at https://portal.assessor.lacounty.gov/. The portal supports Basic Search, Legal Search and Map Search, and lets users search by AIN or property address. For property tax bills and payments, use the Los Angeles County Treasurer and Tax Collector. For deeds and real estate recording records, use the Los Angeles County Registrar-Recorder/County Clerk.
What Should You Click First for a Los Angeles Property Tax Assessor Search?
Los Angeles County property tax questions are split across several official offices. The Assessor handles assessed value and parcel information. The Treasurer and Tax Collector handles tax bills and payments. The Registrar-Recorder handles recorded real estate documents. Start with the path that matches your problem.
I need property value, AIN or address lookup
Use the Los Angeles County Assessor Portal. Search by AIN or address, then review assessed value, parcel map and basic property information.
Open Assessor PortalI need to pay or view a tax bill
Use the Treasurer and Tax Collector payment page. You need the property’s Assessor’s Identification Number, usually called AIN.
Open payment optionsI need deed or ownership history
Use the Registrar-Recorder/County Clerk for real estate records. Search recorded documents, grantor/grantee indexes and document records.
Open Recorder pageI disagree with assessed value
Use the Assessor’s contest-assessment guidance and, if needed, file with the Los Angeles County Assessment Appeals Board.
Open Assessment AppealsI need homeowner exemption
Use the Assessor’s Homeowners’ Exemption page. California’s homeowner exemption reduces taxable assessed value by $7,000 for qualifying primary residences.
Open exemption pageI need one county tax hub
Use the LA County Property Tax Portal for department routing, valuation, payment information, appeals and tax-bill explanations.
Open Property Tax PortalLos Angeles County AIN Search — How to Find Property Records by Assessor’s Identification Number
In Los Angeles County, the AIN is the most useful property search key. AIN means Assessor’s Identification Number. It is commonly needed for Assessor records, tax bill lookup, online payment and recorded-document research.
Open the official Assessor Portal
Go to https://portal.assessor.lacounty.gov/. This is the official Los Angeles County Assessor search portal and includes Basic Search, Legal Search and Map Search.
Choose Basic Search if you have AIN or address
Use Basic Search when you know the AIN or property address. The portal search is more reliable when you use the exact AIN from a bill, deed, escrow document or prior county record.
Enter the AIN without extra words
If a tax bill or payment screen asks for AIN, enter the number exactly as shown by the county. Do not add “APN,” owner name or street words in the AIN field.
Use the AIN across departments
Once you confirm the AIN, use it for tax payment, tax balance, property tax history, map search and some recorded-document searches. In Los Angeles County, AIN is often more reliable than an address.
Save the AIN for appeals and exemptions
Value appeals, homeowner exemption, decline-in-value review and property tax customer service are easier when you have the exact AIN ready before calling or filing.
Micro search tip: In a large county like Los Angeles, one street address can have units, condo interests, mailing variations or old address formats. If the address search gives many results, find the AIN once and use AIN for every future official search.
Los Angeles County Property Search by Address — What to Type and What to Avoid
Address search is useful when you do not know the AIN, but it can be messy in Los Angeles County because of apartments, condos, city names, mailing addresses and street abbreviations. Start broad, then narrow down using the AIN shown in the official result.
Start with street number and street name
Do not overfill the search field. Try house number plus street name first. If the result fails, remove unit number, directional words or street suffix.
Do not confuse city with county
Los Angeles County includes many cities and unincorporated areas. A property can have a Beverly Hills, Long Beach, Pasadena, Santa Monica, Glendale, Inglewood or LA mailing address while still using county tax systems.
Use map search for uncertain parcels
If address search is unclear, use the Assessor map search. Map search can help confirm the parcel, neighborhood, city boundary, community and adjacent properties.
Confirm the AIN after address match
Once the address record opens, save the AIN. It is the cleaner identifier for tax payments, appeals, tax bill history and recorded-document cross-checks.
Common mistake: users search “Los Angeles tax assessor owner name” when what they actually need is the AIN. For official tax payments and property tax bills, AIN is usually the key that unlocks the correct record faster than owner name.
What Shows in a Los Angeles County Property Tax Assessor Record
The Assessor record helps you understand the property’s assessed value and identification. It is not the same as a tax bill, title report or deed record. Use the right office after you find the AIN.
AIN / parcel ID
The key identifier for Assessor, tax and many county property systems.
Property address
The situs or property address associated with the parcel.
Assessed value
County value used in the tax roll process, subject to California property tax rules.
Property characteristics
Basic building, land and assessment information when available in public search.
Map connection
Parcel map and location context through the Assessor map search.
Tax bill route
Use the AIN to reach Treasurer and Tax Collector payment tools.
Appeal clue
Use current assessed value and property facts when preparing a value appeal.
Exemption clue
Homeowner exemption and other relief programs depend on qualifying facts and forms.
Assessor record vs tax bill: The Assessor establishes values and maintains property identification. The Auditor-Controller extends the roll. The Treasurer and Tax Collector sends and collects bills. The Assessment Appeals Board handles formal value disputes. The Recorder maintains real estate records.
Los Angeles County Property Tax Bill — Due Dates, Payment and AIN Requirements
For Los Angeles County property tax payment, use the Treasurer and Tax Collector, not the Assessor. The Assessor’s value appears on the tax roll, but payment status, tax balance, receipts, penalties and installments are handled by the Treasurer and Tax Collector.
Annual secured tax bill
Los Angeles County annual secured property tax bills are prepared and mailed in the fall for each fiscal tax year. Use the official tax collector website to view current bill and balance details.
First installment
The first installment is due November 1 and becomes delinquent after the close of business on December 10, unless a weekend, legal holiday or special emergency rule changes the handling.
Second installment
The second installment is due February 1 and becomes delinquent after the close of business on April 10, subject to official county/state rules for weekends, holidays and emergencies.
Online payment requires AIN
The Treasurer and Tax Collector payment page says you need your Assessor’s Identification Number to search, retrieve payment information and make online payments.
Fire, disaster and emergency caution: Los Angeles County and California may publish special tax relief or deadline information for qualifying disaster-impacted properties. If your property was affected by wildfire, flood, earthquake or another disaster, verify directly on the Assessor and Treasurer pages before paying or filing relief paperwork.
Need to pay now? Use only the official Los Angeles County Treasurer and Tax Collector payment page or the official county property tax portal.
Open Payment OptionsLos Angeles County Assessor Map Search — Parcel, Community, District and Boundary Clues
Use the LA County Assessor map search when address search is not enough. Map search is helpful for lots, condo parcels, hillside property, multi-parcel ownership, city boundary confusion and neighborhood-level parcel checks.
Assessor parcels
Use map search to locate the parcel visually and confirm the AIN before reviewing value or tax information.
Cities and communities
The map can help users separate City of Los Angeles, other incorporated cities and unincorporated county areas.
School and district context
Map layers may show city, community, ZIP, school district and other useful property context.
Not a legal survey
Assessor maps are public-information tools. Do not use them as a final legal survey, title opinion or boundary-dispute document.
Open map search: Use the official LA County Assessor map search when you need a visual parcel check.
Open Map SearchLos Angeles County Real Estate Records — Deeds, Grantor/Grantee and Recorded Documents
The Assessor record is not the same as a deed. For recorded real estate documents, use the Los Angeles County Registrar-Recorder/County Clerk. The Recorder maintains real estate records and provides ways to view or request recorded documents.
Recorded documents
Use the Registrar-Recorder for deeds, deed of trust records, liens, releases, reconveyances, maps, surveys and other recorded documents affecting real property.
Grantor / grantee name
If you are researching ownership history, recorded-document indexes are often searched by grantor or grantee name, not only by address.
AIN as a bridge
Find the AIN through the Assessor first, then use it as a cross-check when searching tax and recorded-document systems.
Older records
Some older real estate records may require in-person review, appointment, mail request or special index search. Use the official Recorder guidance before ordering copies.
Need deeds or recorded records? Use the official Los Angeles County Registrar-Recorder/County Clerk real estate records route.
Open Recorder PageLos Angeles County Property Assessment Appeal — Decline in Value, Regular Appeals and Filing Dates
If your Los Angeles County assessed value looks too high, first review the Assessor record and contest-assessment guidance. For formal appeals, the Los Angeles County Assessment Appeals Board handles value disputes. Regular assessment filing dates are generally July 2 through November 30, while supplemental assessments have a separate 60-day filing period tied to the notice or bill.
Confirm the AIN and assessed value
Open the Assessor Portal, confirm the correct parcel and write down the current assessed value, property address and AIN.
Check for factual errors
Look for incorrect square footage, property type, lot size, construction details, owner-occupied status or value history. Factual corrections may be faster than a full appeal.
Use decline-in-value review when market value dropped
If current market value is below the factored base-year value as of January 1, review the Assessor’s Decline-in-Value guidance before filing.
Prepare evidence, not complaints
Use comparable sales, appraisal reports, photos, repair estimates, market data and factual property errors. A tax bill being expensive is not enough by itself.
File with the correct appeals office
Use the Los Angeles County Assessment Appeals Board for formal value appeals. Confirm the filing date for your assessment type before submitting because late filings may be rejected.
Appeal shortcut: Use the official Assessment Appeals Board page for filing windows, application forms and current appeal guidance.
Open Assessment AppealsLos Angeles County Homeowners’ Exemption, Disaster Relief and Property Tax Savings
Los Angeles County homeowners often search for “homestead exemption,” but California’s main owner-occupied-home benefit is the Homeowners’ Exemption. Qualifying homeowners may apply for a $7,000 reduction from assessed value for a principal residence.
Homeowners’ Exemption
If you own a home and it is your principal place of residence on January 1, you may apply for the Homeowners’ Exemption through the Los Angeles County Assessor.
Estimated tax savings
The $7,000 assessed-value reduction is commonly described as roughly $70 in annual property tax savings, depending on your bill and applicable tax factors.
Disaster relief
If your property was damaged or destroyed by wildfire, flood, earthquake or other qualifying disaster, review the Assessor’s Disaster Relief page immediately because deadlines and forms matter.
Proposition 19 transfers
Eligible homeowners may have special base-year value transfer options under Proposition 19. Use the Assessor’s official guidance before selling, buying or rebuilding.
Apply through official pages only: Do not pay a private website to file a basic homeowner exemption unless you clearly understand what it is doing for you.
Open Homeowners’ ExemptionLos Angeles County Assessor vs Treasurer vs Recorder vs Appeals Board
Most Los Angeles property tax searches fail because users click the wrong department. Use this router before calling or filing a form.
LA County Assessor
Use for AIN, assessed value, property characteristics, map search, homeowner exemption, decline-in-value review, disaster relief and mailing address changes. Main phone: 213-974-3211.
Treasurer and Tax Collector
Use for tax bill, payment, balance due, payment history, penalties, installment plan questions and secured or unsecured property tax payment options. Main phone: 213-974-2111.
Registrar-Recorder/County Clerk
Use for real estate records, deeds, recorded document copies, grantor/grantee records, maps and document recording questions.
Assessment Appeals Board
Use for formal assessment appeal applications when you disagree with assessed value and need an independent value hearing.
Common Los Angeles Property Tax Assessor Search Problems and Fixes
Los Angeles County is huge, so search problems are common. Most issues can be fixed by using AIN, choosing the correct office and avoiding private scraper sites.
Address search gives too many results
Use the Assessor map search, narrow the street number and compare city/community. Once you identify the parcel, save the AIN and use AIN going forward.
Tax bill cannot be found
Make sure you are using the Treasurer and Tax Collector page, not only the Assessor page. Tax payments require the AIN and sometimes year/sequence information from the bill.
Owner name looks outdated
Recent ownership changes may not appear immediately across every system. Use the Registrar-Recorder/County Clerk real estate records route for recorded deed history.
Assessed value seems too high
Check decline-in-value review, compare market evidence and confirm the correct appeal filing window before submitting an Assessment Appeals Board application.
Private website appears before official county pages
Use official Los Angeles County links first. Private property websites may summarize public data, but official county portals control the actual tax, value and recording records.
Los Angeles County Assessor Office Location, Phone and Public Service Contact
The Los Angeles County Assessor’s headquarters is at the Kenneth Hahn Hall of Administration in Downtown Los Angeles. Use online portals first, then call or visit only when your question cannot be solved online.
Los Angeles County Assessor Headquarters
500 W Temple Street, Room 225, Los Angeles, CA 90012
Assessor phone: 213-974-3211
Toll-free county property tax information number: 888-807-2111
Address: Kenneth Hahn Hall of Administration, 500 W Temple Street, Room 225, Los Angeles, CA 90012
Smart visit tip: bring AIN, property address, tax bill, assessment notice, exemption notice, appeal document, photo ID and any deed or escrow document connected to your question.
Official Los Angeles County Property Tax Assessor Links
Use these official sources first. This page is an independent guide and does not store Los Angeles County property records. The county portals below are where the actual property tax, assessment and real estate records are maintained.
LA County Assessor Portal
Official AIN, address, basic, legal and map search starting point.
https://portal.assessor.lacounty.gov/LA County Assessor Property Search
Assessor property search tool page for homeowners and property owners.
https://assessor.lacounty.gov/homeowners/property-searchLA County Property Tax Portal
Official multi-department property tax information hub for valuation, bills, payment and appeals.
https://www.propertytax.lacounty.gov/Pay Property Taxes
Official Treasurer and Tax Collector payment options page.
https://ttc.lacounty.gov/pay-your-property-taxes/Secured Property Tax Information
Due dates, tax bill timing and secured property tax general information.
https://ttc.lacounty.gov/secured-property-taxes-general-information/Assessment Appeals Board
Formal assessment appeal filing dates, applications and appeal process.
https://lacaab.lacounty.gov/Homeowners’ Exemption
Official Assessor homeowner exemption page for qualifying principal residences.
https://assessor.lacounty.gov/exemptions/homeowner-exemptionRegistrar-Recorder Real Estate Records
Official route for deeds, recorded documents and real estate records.
https://www.lavote.gov/home/recorderFAQ — Los Angeles Property Tax Assessor Search
These answers target the real search problems Los Angeles County property owners, buyers, renters, investors and appeal filers usually run into.
Disclaimer and Source Verification
AssessorPropertySearch.org is an independent property records information guide. We are not Los Angeles County, the Los Angeles County Assessor, the Los Angeles County Treasurer and Tax Collector, the Registrar-Recorder/County Clerk, the Assessment Appeals Board, or any government agency. We do not store property records or provide official legal, tax, appraisal, survey or title advice.
This page explains how to use official Los Angeles County and California property tax resources. Property data, tax bills, payment deadlines, exemption rules, appeal filing windows, office hours and portal URLs can change. Always verify the final record, deadline, amount, form and instruction directly with the official county office before making financial, legal or real estate decisions.
Official Sources Verified — May 2026
- https://portal.assessor.lacounty.gov/
- https://assessor.lacounty.gov/homeowners/property-search
- https://assessor.lacounty.gov/contact/officelocations
- https://www.propertytax.lacounty.gov/
- https://ttc.lacounty.gov/pay-your-property-taxes/
- https://ttc.lacounty.gov/secured-property-taxes-general-information/
- https://lacaab.lacounty.gov/
- https://assessor.lacounty.gov/exemptions/homeowner-exemption
- https://assessor.lacounty.gov/tax-relief/decline-in-value
- https://www.lavote.gov/home/recorder
Find the Right Property Record, Tax Bill, Deed or Assessor Search Route
Use this helper before searching county property records. It helps you choose the right office, prepare the right details, avoid wrong-office mistakes, and review property records safely.
Property Search Route Finder
Choose what you have and what you want to find. The tool will suggest the best search route and common mistake to avoid.
Parcel / APN / PIN Format Helper
Parcel numbers are formatted differently by county. Try these variations if your official search does not return results.
Assessor, Tax Collector, Recorder or GIS?
Select your issue and this tool will show the office that usually handles it.
Simple Property Tax Estimate Helper
This is a general estimate only. State and county tax rules differ, so always verify final bills with the official tax collector, treasurer or county tax office.
Exemption / Appeal Readiness Checklist
Use this before applying for an exemption or challenging a value. Missing proof is one of the biggest reasons users waste time or miss deadlines.
Property Record Review Checklist
Review these fields before relying on any assessor, appraiser, auditor, property appraiser, tax or deed record.