File directly with King County
$0 county filing fee
A homeowner who wants full control and has time to research, prepare, file, and present the case.
Independent decision guide
King County lets homeowners file for free. Private options differ in how much of the research, evidence, filing, and hearing they take over. Use this guide to compare service models before signing.
Published and last verified August 15, 2026
| Service model | Property review | Evidence packet | Files petition | Handles hearing |
|---|---|---|---|---|
| File directly with King County | ||||
| Evidence or packet tool | ||||
| Homespring full service |
$0 county filing fee
A homeowner who wants full control and has time to research, prepare, file, and present the case.
Usually fixed or limited-scope pricing
A homeowner who wants data or draft documents but is comfortable filing and managing the case.
25% of first-year savings if successful
A homeowner who wants the review, evidence, filing, assessor response, and hearing handled.
Compare providers carefully
Searches such as Homespring versus Ownwell or Homespring versus FairAppeal often compare companies whose coverage and terms change. We do not freeze a competitor's price or service promise into this table. Verify each provider's current agreement, then compare it against Homespring's published pricing and the free county option.
Start with the Seattle or King County address. The initial property review does not require a credit card.
Yes. King County does not charge a fee to file a valuation petition, and homeowners can use eAppeals and the independent Tax Advisor without hiring a private service.
A packet tool generally prepares data or draft documents for the homeowner to review and file. Full-service representation also handles filing, assessor communication, evidence deadlines, and the hearing, subject to the provider's written terms.
Compare the current written fee, renewal and cancellation terms, whether the provider files the petition, whether hearings are included, what evidence is delivered, and who is responsible for deadlines. Provider terms can change, so verify them directly before signing.