Search your address
We match your property to public Assessor records and recent sales nearby.
San Francisco homeowners
Find out if your assessed value is out of step with today's market.
We match your property to recent neighborhood sales and show whether a Prop 8 informal review is likely worth filing. Fast preview first, paid report only when it makes sense.
No login required for the preview. Just an address.
Estimate, not legal advice Uses public sales data Built for SF's informal review flow
Preview snapshot
Assessed $1.42M
Estimated value $1.18M
Likely worth filing
Potential savings
- 3 closest comps from the last 18 months
- Range with confidence notes
- Clear steps for submitting
How it works
A fast preview, then a detailed report only if it's worth it.
See the preview
Get a quick read on whether your assessed value looks higher than market.
Unlock the report
$20 unlocks comps, valuation range, and step-by-step filing instructions.
What you get
Everything you need to file with confidence.
Comparable sales you can show the City
We select similar nearby sales and explain why they're relevant.
Estimated value range
We present a conservative range with notes on uncertainty and timing.
Checklist + submission guide
Clear steps, common pitfalls, and what to upload for an informal review.
Trust + transparency
Make the call with clear data, not guesswork.
Show your work
You'll see the comps, the logic, and a summary you can sanity-check.
Designed for SF's process
We focus on the informal review path and point you to formal appeal options if needed.
Clear boundaries
We're not a law firm or tax advisor. The report is a helpful estimate and guide.