AppealSealAppealSeal Knowledge
Knowledge
Step-by-step property tax appeal guides organized by topic and jurisdiction.
California
AppealSeal vs. Ownwell: DIY vs. Full-Service Property Tax Appeals
A neutral comparison of DIY property tax appeal tools (AppealSeal) versus full-service representation (Ownwell) — pricing, process, and when each makes sense.
How California Property Tax Appeals Really Work
Learn how California’s property tax appeal process works. Understand the roles of the Assessor’s Office, the independent Assessment Appeals Board, and how to file Form BOE-305-AH to challenge your property’s assessed value.
DIY California Property-Tax Appeal: Decline-in-Value (Prop 8)
A step-by-step guide for homeowners when the market value on January 1 is below the assessor’s value.
Can I appeal property taxes with just one comparable sale?
There is only one comparable sale for my property tax appeal year, can I still appeal?
How to Appeal Your Property Tax Value in Los Angeles County
A specific guide to the appeal of the assessed property value for Los Angeles county
Property Tax Comparison Templates
Standard templates and examples for property tax analysis and comparisons
California Counties
Los Angeles County Property Tax Appeal
Local filing dates, forms, fees, and appeal steps for Los Angeles County property tax appeals.
Orange County Property Tax Appeal
Local filing dates, portal steps, fee caveats, and appeal preparation notes for Orange County property tax appeals.
San Diego County Property Tax Appeal
Local filing dates, application steps, submission methods, and appeal preparation notes for San Diego County property tax appeals.
San Mateo County Property Tax Appeal
Local filing dates, appeal office guidance, and verification steps for San Mateo County property tax appeals.
Santa Clara County Property Tax Appeal
Local filing dates, forms, fees, submission paths, and appeal preparation notes for Santa Clara County property tax appeals.