Flat fee. We build your evidence and fill the forms — you just file, and keep 100% of your savings.
AppealKit
The methodology assessors use

Find out if you’re overpaying property tax.

A free, evidence-based check from real comparable sales. If you’re over-assessed, we do the hard part — the evidence, the paperwork, the numbers — and hand you an appeal that’s ready to file. Flat fee. Every dollar you save stays yours.

Free diagnosis|No account to see your result|Then $49 for the appeal kit|We never take a % of savings
ASSESSMENT REVIEWAPN 5512-019-04
County assessed value$1,240,000
Estimated market value$1,090,000
Over-assessment$150,000 · 12%
Estimated annual overpayment
at your local tax rate
$1,740
Based on 6 nearby sales
1
Check your property, free

We compare your home to real nearby sales and show you the math.

2
File your appeal

We fill the official county form with your evidence. You sign and submit.

3
Walk in ready for the hearing

A hearing-ready packet — the per-comp grid plus a script for what to say.

4
Track it to the outcome

Follow your appeal from filed all the way to decided.

The evidence

The assessor used a formula. We look at your actual home.

Counties value thousands of homes at once with a mass-appraisal model. We build the case the way an appraiser would — adjusting each comparable sale for the real differences — so your number is something the board has to take seriously.

PER-COMP ADJUSTMENT GRIDsample
ComparableSoldSizeConditionAdjusted
Comp A
0.3 mi · sold 4 mo ago
$1,150,000−$22k−$15k$1,113,000
Comp B
0.5 mi · sold 2 mo ago
$1,090,000+$8k−$10k$1,088,000
Comp C
0.4 mi · sold 5 mo ago
$1,135,000−$30k−$18k$1,087,000
Indicated market value of your home$1,090,000
File it$49
  • ✓The official county appeal form, filled in
  • ✓Your evidence summary & estimated value
  • ✓Exactly where and how to submit it
Win it$299
Everything in File it, plus:
  • ✓The full per-comp adjustment grid
  • ✓A plain-English script for the hearing
  • ✓Answers to the questions the board asks
What the formula misses

Issues the assessor doesn’t know about.

A mass-appraisal model can’t see the condition of your home. Each of these becomes a documented adjustment in your grid.

Aging roof or systems−$8k–$25k
Dated kitchen or baths−$10k–$40k
Deferred maintenance−$5k–$30k
On a busy street−5%–15%
No parking / poor access−$5k–$20k
Awkward or dated layout−3%–10%

What if my assessment is actually fair?

Then we’ll tell you that — plainly, for free — and we won’t try to sell you a packet you can’t use. Anyone who guarantees savings before looking at your home is guessing. We show you the math either way, so you can trust the answer when it says you do have a case.

How we compare

A flat fee — and you keep 100% of your savings.

On your ownAppealKitContingency firm
What it costsYour timeFree → $49 (appeal kit) → $299 (hearing materials)25–50% of savings
Comparable-sales researchOn your own✓ Done for you✓
Per-comp adjustment grid✕✓Sometimes
Hearing script✕✓They attend
Who filesYouYou (we prep it)They do
You keep 100% of savings✓✓✕

Certain counties charge a fee to file — for example, SF County charges $120. See the full list of counties and fees.

No subscription. No sales calls. We never sell your data.
Why it’s worth a minute

Every year you don’t appeal is a year you overpay.

Using the sample home above — $1,740 too much this year alone. A win fixes this year’s bill; it doesn’t automatically fix next year’s. That’s why we re-check your assessment free every year and tell you when it’s worth appealing again.

After 1 year
$1,740
After 5 years
$8,700
After 10 years
$17,400
Illustrative, assuming the assessment isn’t corrected. Your numbers depend on your home and local rate.

Questions homeowners ask

How do I know if I’m over-assessed?
Enter your address and we compare your home to recent nearby sales, adjusting each one for size and condition the way an appraiser would. If the adjusted value is meaningfully below your assessed value, you likely have a case — and we show you the math.
Is the free estimate a guarantee?
No — and anyone who guarantees savings before seeing your home is guessing. Our estimate is evidence-based, but the county’s board makes the final decision. We’re honest about that up front.
Do I need a lawyer?
For a residential assessment appeal, almost never. The process is built for homeowners to use directly. We do the research, fill out the form, and hand you a script — you just file it.
Can my taxes go up if I appeal?
In most jurisdictions an appeal reviews whether your assessment is too high; the board can leave it unchanged or lower it. Rules vary by county, so we point you to your local specifics before you file.
What does it cost?
The diagnosis is free. If you want to file, it’s a flat $49 for the completed appeal form, or $299 for the full hearing-ready packet with the adjustment grid and script. No subscription, and we never take a percentage of your savings. Filing in San Francisco also carries a separate $120 county fee, paid directly to the Assessment Appeals Board — not to us. This fee varies by county — see the full list of counties and fees.
Is my data private?
You don’t need an account or email to see your diagnosis. You only create an account when you choose to file — so we can save your appeal form — and we never sell your data.

See if you’re over-assessed — free.

About a minute. No account, no email needed to see your result.