Over-assessed? Build a stronger property tax appeal.
Check your property-tax assessment against county records and comparable sales for $4.99, then get a data-backed appeal packet for a flat $29.
CURRENT ASSESSMENT
$542,000
ESTIMATED MARKET VALUE
$498,500
*Illustrative example. Your result depends on available property records, comparable sales, and local tax data.
Radical transparency
Everyone else hides the numbers.
We show you all of them.
Source-labelled property data
Assessment, tax, recorded-sale, listing and AVM fields are identified by what the provider actually returned—so records and model outputs are never presented as the same thing.
Full math shown
We don't just give you a “score.” We show every calculation and comparison so you can verify the logic before you spend a dime on an appeal.
We say no if it's no
If your assessment is fair or actually low, we'll tell you immediately. We won't sell you false hope or an appeal packet you don't need.
How it works
Simple. Transparent. Fair.
Check $4.99
Scan your property using currently available provider records and market data.
Verdict & Data
See your savings potential and the exact comps used.
Appeal Packet
One click to generate your professional filing evidence.
Final packet price after your initial check
Empower your advocacy.
Savings Calculator
Estimate how much a successful appeal could lower your monthly mortgage payment or annual tax bill.
Want the real numbers? $4.99 checkTax Shock Calculator
Just bought a house? See how much your taxes might jump when the county updates the sales price assessment.
Want the real numbers? $4.99 checkUK Council Tax Band Checker
Check your band, compare it against your neighbours, and see if you can legally challenge — free, no sign-up.
Check your band — freeUK Stamp Duty Calculator
Work out your SDLT instantly for England & NI — first-time buyer, additional property, non-UK resident.
Calculate your SDLT — freeLocal filing help
Start with your state or county rules.
Appeal deadlines, forms, assessment ratios and filing offices vary by location. Read the free local guide first, then run a $4.99 check when you are ready to compare your assessment with market evidence.
Browse all 50 state guidesFree homeowner guides
Start with the rule that applies to you.
Use the free guides to understand the filing process, deadlines, evidence and available tax relief before buying a check or preparing an appeal.
Free property tax appeal letter templates
Copy a ready-to-customize protest, evidence request or comparable-sales cover letter.
Read the guideDo seniors pay property tax?
Understand senior exemptions, freezes and deferrals, then find the rules for your county.
Read the guideProperty tax appeal deadlines by state
Know when to act and why the date on your assessment notice matters.
Read the guideGlobal markets
One platform, two countries
United States
Assessments change every year. We watch yours.
Don't get blindsided by a tax hike. Our Protection Plan automatically re-checks your property data every quarter and emails you the moment you can save.
Re-checking
Quarterly scan of county data
The difference
Why we're different
| FEATURE | TaxAppealAgent | Traditional Firms |
|---|---|---|
| Upfront Fee | Flat $29 | Free Consultation |
| Savings Share | Keep 100% | Firms take 30–50% |
| Transparency | All data & math shown | "Proprietary" data hidden |
| Outcome Policy | Honest "no case" verdict | Always "find" a case |
Questions
Frequently Asked Questions
Ready to reclaim your value?
Know in 30 seconds whether you're overpaying — backed by real county data, not guesswork.
$4.99 · credited toward your appeal · no case, no upsell