Tarrant Value

817 Tall Oak Ln, Keller, TX 76248

2,250 sqft, built 1990, in Bella Casa. Appraised at $524,851 for 2026.

Tarrant County account 05725984

Appraised value
$524,851
Tax year 2026 · after any cap, before exemptions
Living area
2,250 sqft
$233 per sqft
Year built
1990
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, Bella Casa, 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 stayed about the same, from $524,851 in 2025 to $524,851 in 2026.
  • Appraised value per square footThe current public record shows about $233 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Bella Casa neighborhood and ZIP 76248.
  • Neighborhood value signalAmong 1,040 residential records in the same neighborhood, the average appraised value is about $199 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +6.9% on average.

Comparable assessments

Similar public appraisal records selected for this property's equity comparison.

  • 793 Tall Oak Ln, Keller, TX 76248
    2,288 sqft | $222/sqft | built 1987 | Similar size (2,288 vs 2,250 sqft); Similar age (1987 vs 1990); Similar lot size (20,402 vs 20,897 sqft)
    $506,992
  • 1108 Oak Bend Ln, Keller, TX 76248
    2,211 sqft | $224/sqft | built 1987 | Similar size (2,211 vs 2,250 sqft); Similar age (1987 vs 1990); Similar lot size (20,127 vs 20,897 sqft)
    $495,000
  • 413 Moonlight Ln, Keller, TX 76248
    2,243 sqft | $218/sqft | built 1986 | Similar size (2,243 vs 2,250 sqft); Similar age (1986 vs 1990); Similar lot size (19,814 vs 20,897 sqft)
    $489,948
  • 1028 Sunrise Dr, Keller, TX 76248
    2,272 sqft | $216/sqft | built 1985 | Similar size (2,272 vs 2,250 sqft); Similar age (1985 vs 1990); Similar lot size (20,030 vs 20,897 sqft)
    $490,768
  • 420 Starlight Dr, Keller, TX 76248
    2,213 sqft | $220/sqft | built 1987 | Similar size (2,213 vs 2,250 sqft); Similar age (1987 vs 1990); Similar lot size (19,729 vs 20,897 sqft)
    $487,861

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.

  • 812 Greenbriar Dr, Keller, TX 76248
    June-30-2026 | 2,259 sqft | $330/sqft | built 1994 | Similar size (2,259 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $745,000
  • 1125 Sunrise Dr, Keller, TX 76248
    July-29-2026 | 2,412 sqft | $236/sqft | built 1983 | 7% size difference (2,412 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $569,500
  • 404 Moonlight Ln, Keller, TX 76248
    July-15-2026 | 2,390 sqft | $272/sqft | built 1985 | 6% size difference (2,390 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $650,000
  • 1522 Highland Oaks Dr, Keller, TX 76248
    July-7-2026 | 2,231 sqft | $268/sqft | built 1992 | Similar size (2,231 sqft); Similar age (1992); Sold after the valuation date
    $599,000
  • 218 Versailles Ln, Keller, TX 76248
    September-16-2026 | 2,252 sqft | $244/sqft | built 2002 | Similar size (2,252 sqft); Sold after the valuation date
    $550,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Tarrant Appraisal District. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

No change in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$524,851$00.0%
2025$524,851+$43,697+9.1%
2024$481,154+$43,741+10.0%
2023$437,413+$39,765+10.0%
2022$397,648+$36,150+10.0%
2021$361,498——
5-year total+$163,353+45.2%