Tarrant Value

820 Helen St, Keller, TX 76248

3,136 sqft, built 1982, in Western Trails-Colleyville. Appraised at $624,000 for 2026.

Tarrant County account 06730094

Appraised value
$624,000
Tax year 2026 · after any cap, before exemptions
Living area
3,136 sqft
$199 per sqft
Year built
1982
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, Western Trails-Colleyville, 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 $624,000 in 2025 to $624,000 in 2026.
  • Appraised value per square footThe current public record shows about $199 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Western Trails-Colleyville neighborhood and ZIP 76248.
  • Neighborhood value signalAmong 558 residential records in the same neighborhood, the average appraised value is about $244 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +3.5% on average.

Comparable assessments

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

  • 704 Bandit Tr, Keller, TX 76248
    3,204 sqft | $192/sqft | built 1993 | Similar size (3,204 vs 3,136 sqft); Similar lot size (57,316 vs 53,578 sqft); Same neighborhood
    $615,243
  • 837 Helen St, Keller, TX 76248
    2,640 sqft | $272/sqft | built 1985 | Similar age (1985 vs 1982); Similar lot size (56,192 vs 53,578 sqft); Same neighborhood
    $717,674
  • 501 Tumbleweed Tr, Colleyville, TX 76034
    2,856 sqft | $282/sqft | built 1972 | 9% smaller (2,856 vs 3,136 sqft); Similar lot size (54,972 vs 53,578 sqft); Same neighborhood
    $805,319
  • 737 Bandit Tr, Keller, TX 76248
    3,198 sqft | $281/sqft | built 1990 | Similar size (3,198 vs 3,136 sqft); Lot 20% smaller (42,950 vs 53,578 sqft); Same neighborhood
    $900,088
  • 7312 Windswept Tr, Colleyville, TX 76034
    2,823 sqft | $221/sqft | built 1978 | 10% smaller (2,823 vs 3,136 sqft); Similar age (1978 vs 1982); Lot 19% smaller (43,560 vs 53,578 sqft)
    $625,000

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.

  • 1117 Shady Ln N, Keller, TX 76248
    September-24-2026 | 3,272 sqft | $275/sqft | built 1975 | Similar size (3,272 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $900,000
  • 789 Tall Oak Ln, Keller, TX 76248
    September-21-2026 | 3,104 sqft | $280/sqft | built 1989 | Similar size (3,104 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $869,000
  • 8601 Clay Hibbins Rd, Keller, TX 76248
    August-14-2026 | 3,428 sqft | $277/sqft | built 1990 | 9% size difference (3,428 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $949,900
  • 1125 Williamsburg Ln, Keller, TX 76248
    August-20-2026 | 3,079 sqft | $284/sqft | built 1991 | Similar size (3,079 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $875,000
  • 1806 Rolling Bend Dr, Keller, TX 76248
    August-31-2026 | 3,120 sqft | $205/sqft | built 1996 | Similar size (3,120 sqft); Sold after the valuation date
    $640,000

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$624,000$00.0%
2025$624,000+$703+0.1%
2024$623,297+$56,663+10.0%
2023$566,634+$58,821+11.6%
2022$507,813+$19,110+3.9%
2021$488,703——
5-year total+$135,297+27.7%