Tarrant Value

903 Williamsburg Ln, Keller, TX 76248

4,078 sqft, built 2005, in Difonzo Estates. Appraised at $850,350 for 2026.

Tarrant County account 07590989

Appraised value
$850,350
Tax year 2026 · after any cap, before exemptions
Market value
$995,397
Living area
4,078 sqft
$209 per sqft
Year built
2005
Homestead
Yes
Owner-occupied exemption on file

Compare this assessment

Start with the county value and property facts, then review appraisal comps, recent sales, and prior-year changes to decide whether the assessment is worth challenging. The comps on this page are free to review; email sign-in is only used to save a printable report.

For nearby context, browse ZIP 76248, Difonzo Estates, and Keller assessment pages.

Protest deadline

The 2026 protest deadline was . The 2027 protest deadline is . 2027 notices usually arrive in April.

Deadline rule: May 15, or 30 days after your notice of appraised value is mailed, whichever is later. A deadline on a weekend or holiday moves to the next business day. Evidence is reviewed by the Appraisal Review Board (ARB). Dates checked against the official source.

Assessment snapshot

These public TAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value increased 10.0% from $773,045 in 2025 to $850,350 in 2026.
  • Appraised value per square footThe current public record shows about $209 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $145,047 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Difonzo Estates neighborhood and ZIP 76248.
  • Neighborhood value signalAmong 693 residential records in the same neighborhood, the average appraised value is about $207 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +1.6% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 509 Glen Dr, Keller, TX 76248
    4,026 sqft | $205/sqft | built 2002 | Similar size (4,026 vs 4,078 sqft); Similar age (2002 vs 2005); Similar lot size (31,798 vs 31,188 sqft)
    $823,703
  • 911 Williamsburg Ln, Keller, TX 76248
    3,935 sqft | $243/sqft | built 2000 | Similar size (3,935 vs 4,078 sqft); Similar age (2000 vs 2005); Similar lot size (31,276 vs 31,188 sqft)
    $956,581
  • 907 Williamsburg Ln, Keller, TX 76248
    4,131 sqft | $242/sqft | built 2001 | Similar size (4,131 vs 4,078 sqft); Similar age (2001 vs 2005); Similar lot size (31,276 vs 31,188 sqft)
    $999,029
  • 1044 Barbara Ln, Keller, TX 76248
    4,006 sqft | $297/sqft | built 2018 | Similar size (4,006 vs 4,078 sqft); Similar lot size (29,894 vs 31,188 sqft); Same neighborhood
    $1,190,666
  • 501 Manchester Ct, Keller, TX 76248
    4,016 sqft | $286/sqft | built 2018 | Similar size (4,016 vs 4,078 sqft); Similar lot size (32,367 vs 31,188 sqft); Same neighborhood
    $1,150,000

Recent comparable sales

Sales selected by similarity to the subject property. Texas is a non-disclosure state, so these MLS-listed sales are supplemental evidence.

Public appraisal comparison for 2026. Prepared . Appraisal source: Tarrant Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Up 10.0% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$850,350+$77,305+10.0%
2025$773,045+$70,277+10.0%
2024$702,768+$63,888+10.0%
2023$638,880+$58,080+10.0%
2022$580,800+$52,800+10.0%
2021$528,000——
5-year total+$322,350+61.1%