Is 109 W Main Ave, Round Rock, Tx 78664 over-assessed?

Public Texas records put its assessment at $620,233 — about 15.1% above the comparable appraisals its value should track, an estimated $93,698 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 $2,061 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.

Over-assessed vs. comparables

109 W Main Ave, Round Rock, Tx 78664

Round Rock, 78664 · Williamson County, Texas · commercial property · 2,150 sq ft · Texas Tax Code §42.26

$2,061estimated overpaid in property tax / year

This property's assessment sits above the comparable basis its tax bill should follow — a strong opening for an appeal.

What the public records show

Williamson public rollTexas

Current assessment$620,233

What the comparable appraisals support$526,535

Estimated over-assessment$93,698 · 15.1%

Comparable basis$245/SF

Estimated tax saved / year$2,061

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

$85$841,972 SF1940

$118$1182,208 SF1940

$161$1601,996 SF1940

$165$1662,247 SF1940

$217$2162,053 SF1940

$274$2742,114 SF1940

$288$2872,072 SF1940

$301$2991,976 SF1940

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 109 W Main Ave, Round Rock, Tx 78664 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 Williamson County's own public records.

Other Williamson County properties over the line

3001 Kalahari Blvd, Round Rock, Tx 78665$398,569,533 over 7700 Parmer Ln, Austin, Tx 78729$289,260,240 over 9835 N Lake Creek Pkwy, Austin, Tx 78717$209,442,095 over 1555 University Blvd, Round Rock, Tx 78665$117,745,277 over 14231 N 183A Toll Rd, Austin, Tx 78717$110,546,239 over 2300 Greenlawn Blvd, Round Rock, Tx 78664$94,380,052 over

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