Is 300 W Frontier Pkwy , Prosper, Tx 75078 over-assessed?

Public Texas records put its assessment at $2,614,346 — about 13.5% above the comparable appraisals its value should track, an estimated $353,282 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 $7,772 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

300 W Frontier Pkwy , Prosper, Tx 75078

Prosper, 75078 · Collin County, Texas · commercial property · 2,328 sq ft · Texas Tax Code §42.26

$7,772estimated 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

Collin public rollTexas

Current assessment$2,614,346

What the comparable appraisals support$2,261,064

Estimated over-assessment$353,282 · 13.5%

Comparable basis$971/SF

Estimated tax saved / year$7,772

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

$464$4652,279 SF2024

$823$8202,223 SF2023

$883$8872,325 SF2024

$922$9212,290 SF2023

$966$9662,338 SF2023

$973$9762,285 SF2024

$1000$9962,338 SF2022

$1008$10102,381 SF2023

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 300 W Frontier Pkwy , Prosper, Tx 75078 and tell you, with no obligation, whether it's worth filing. A licensed Texas property-tax agent handles everything from there. You pay only if your value comes down.

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

Other Collin County properties over the line

300 W Renner Rd , Richardson, Tx 75080$640,472,708 over Parcel 366712$453,517,193 over 8181 Communications Pkwy , Plano, Tx 75024$372,485,814 over 6565 Headquarters Dr , Plano, Tx 75024$343,253,514 over 7609 Preston Rd , Plano, Tx 75024$323,014,573 over 6501 Legacy Dr , Plano, Tx 75024$294,155,386 over

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