Is 10505 Southwest Fwy over-assessed?

Public Texas records put its assessment at $12,813,555 — about 57.9% above the comparable appraisals its value should track, an estimated $7,418,622 over-assessment. We verify it by hand before saying you have a case.

How much could a property tax appeal save on this property?

An estimated $163,210 per year, using an estimated Texas composite millage rate applied to the over-assessment. Actual savings depend on the final reduction.

What does it cost to appeal?

Nothing upfront. WinningAppeals is paid only if your value comes down — the founding-year rate is 10% of your first-year savings. If the value doesn't move, you owe nothing.

Possible over-assessment

10505 Southwest Fwy

Harris County, Texas · commercial property · 60,300 sq ft · Texas Tax Code §42.26

$163,210estimated overpaid in property tax / year

The public records suggest this property may be over-assessed, but the comparison is wide enough that we verify it by hand — free, with no obligation — before saying you have a case.

What the public records show

Harris public rollTexas

Current assessment$12,813,555

What the comparable appraisals support$5,394,933

Estimated over-assessment$7,418,622 · 57.9%

Comparable basis$89/SF

Estimated tax saved / year$163,210

Straight from the public Texas roll. The estimated saving applies an estimated composite millage to the over-assessment. We adjust comparables for size, age, and location before we say a word about your property — and we never name owners.

The comparable basis

The 8 comparable appraisals behind the number

Each comparable is adjusted toward this property for size and age, then we take the median. Owners are never named — only the public assessment figures matter.

Comparable assessment $/SFAdjusted $/SFSizeBuilt

$14$1463,360 SF2025

$16$1663,360 SF2025

$36$3662,643 SF2025

$69$6962,040 SF2025

$90$8956,882 SF2025

$89$8963,160 SF2025

$110$11060,000 SF2025

$119$11960,228 SF2024

Why this is the lever

Texas Tax Code §42.26

Under §42.26, if a property is appraised above the median appraised value of a reasonable number of comparable properties (adjusted for size, age, and location), the value must be brought down to that median.

How a Texas commercial property tax appeal works →

Your free review

See the full comparable analysis and start your review

The number above is free. Enter your email and we'll send the full breakdown for 10505 Southwest Fwy and tell you, with no obligation, whether it's worth filing. A licensed Texas agent handles everything from there. You pay only if your value comes down.

Nothing due unless we lower your bill.
A licensed Texas agent files and represents you.
Built from Harris County's own public records.

Other Harris County properties over the line

23125 North Fwy$658,899,459 over 833 Texas St$341,402,368 over 609 Main St$326,661,951 over 5015 Westheimer Rd A1452$320,255,629 over 1501 Mckinney St$271,112,313 over 13460 Lockwood Dr$258,277,072 over

All Harris County over-assessments →Texas commercial property tax appeals →