What is a property tax appeal?

A property tax appeal (also called a protest in Texas) is a formal process where you challenge your county appraiser's assessed value of your home. You file with the county Appraisal Review Board (ARB), present comparable-sales evidence that your home is overvalued, and the board issues a ruling.

When is the Texas property tax appeal deadline?

In Texas, the deadline to file a property tax protest is May 15 each year (or 30 days after your appraisal notice is mailed, whichever is later). The 2026 deadline has passed; the next protest window is April-May 2027.

How much can I save by appealing my property taxes?

Homeowners who appeal save an average of $774 per year in Texas, and you can protest again every year. Success rates range from 80-91% when you bring 3-5 comparable sales as evidence.

What's the difference between AppealMyTax and Ownwell?

AppealMyTax charges a flat $99, one time, for a complete personalized appeal packet you file yourself, or $199-$249 for our done-for-you filing service. You keep 100% of your savings every year. Ownwell keeps a 25-35% contingency on whatever you save and O'Connor keeps about half, meaning a $2,461 reduction costs you roughly $615-$1,230 every year forever. We charge $99 once and keep nothing.

REI tax-savings data · 30067 · MARIETTA

30067 investment property tax appeal

23 properties in 30067 are over-assessed by 5%+ relative to peer comps — silently losing an average $415/yr each to inflated property tax.

Live zip data

30067 (MARIETTA) — over-assessment breakdown

Total homes

1,106

Over-assessed

2.1%

23 properties

Aggregate overpayment

$10k/yr

Avg savings per appeal

$415/yr

per over-assessed property

20-year NPV per property: ~$8k at simple 0% discount, or roughly $5k discounted at 5%. That's the typical present-value swing on a single successful appeal in 30067.

Sample 30067 properties (highest assessed)

Run any address to see its appeal upside

Address	Assessed	Sqft	Year
1224 WOODLAWN AVE	$513k	3,358	2016
2014 CULLUM PARK	$500k	2,488	2019
303 MOUNTAIN ECHO	$489k	2,513	1984

These are top-assessed properties in 30067 per public records. Investors: each of these is a candidate for a tax-appeal evaluation before underwriting a purchase.

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Texas effective tax rate ≈ 2.15% · TX §41.43(b)(3) unequal-appraisal protest, annual deadline May 15