Los Angeles County · California (CA)
How to Appeal Your Property Tax Assessment in Los Angeles County
File an Assessment Appeal Application (BOE-305-AH) with your county Assessment Appeals Board. The 2026 filing window opens July 2 in every county and closes September 15 in 11 counties or November 30 in the other 47, depending on when your assessor mails value notices (source: BOE Letter To Assessors 2026/023).
Largest county in the US by population. The 2026 filing window runs July 2 to November 30.
Filing Deadline
July 2 to November 30
Appeals Body
Los Angeles County Assessment Appeals Board
Assessor Website
assessor.lacounty.govGenerate Your Los Angeles County Appeal Letter
Answer 3 questions, pick comparable properties, download your Los Angeles County Assessment Appeals Board-ready letter. Only pay when you are happy with the result.
Start Your AppealInstant download
Filing Steps for Los Angeles County
1. Gather comps
Find 3-5 comparable properties in Los Angeles County assessed lower per square foot than yours. Use the county assessor's public records or property sites.
2. File your protest
Submit your protest to the Los Angeles County Assessment Appeals Board by July 2 to November 30. Include your evidence and this letter.
3. Attend your hearing
Present your case. Most hearings take 10-15 minutes. Many are resolved informally before the formal hearing date.
Cities in Los Angeles County
Other Counties in California
Deadlines and procedures change. Always verify with the Los Angeles County Assessment Appeals Board before filing. This is not legal advice.