Tarrant Value

814 Sierra Ln, Keller, TX 76248

3,214 sqft, built 1999, in Difonzo Estates. Appraised at $699,088 for 2026.

Tarrant County account 07199147

Appraised value
$699,088
Tax year 2026 · after any cap, before exemptions
Living area
3,214 sqft
$218 per sqft
Year built
1999
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 4.2% from $670,717 in 2025 to $699,088 in 2026.
  • Appraised value per square footThe current public record shows about $218 per square foot before any comparable-property adjustments.
  • 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

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

  • 807 Victoria Dr, Keller, TX 76248
    3,215 sqft | $216/sqft | built 1999 | Similar size (3,215 vs 3,214 sqft); Built same year (1999); Similar lot size (19,427 vs 17,728 sqft)
    $695,448
  • 811 Sequoia Ln, Keller, TX 76248
    3,411 sqft | $187/sqft | built 2001 | 6% larger (3,411 vs 3,214 sqft); Similar age (2001 vs 1999); Similar lot size (17,598 vs 17,728 sqft)
    $637,000
  • 728 Richmond Ln, Keller, TX 76248
    3,160 sqft | $203/sqft | built 1989 | Similar size (3,160 vs 3,214 sqft); Similar lot size (17,500 vs 17,728 sqft); Both have pool
    $640,371
  • 760 Richmond Ln, Keller, TX 76248
    3,130 sqft | $238/sqft | built 1990 | Similar size (3,130 vs 3,214 sqft); Similar lot size (18,150 vs 17,728 sqft); Both have pool
    $743,404
  • 859 Celeste Ln, Keller, TX 76248
    3,456 sqft | $185/sqft | built 1997 | 8% larger (3,456 vs 3,214 sqft); Similar age (1997 vs 1999); Similar lot size (16,963 vs 17,728 sqft)
    $638,028

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.

  • 953 Monarch Way, Keller, TX 76248
    August-28-2026 | 3,116 sqft | $247/sqft | built 2003 | Similar size (3,116 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $769,000
  • 1806 Rolling Bend Dr, Keller, TX 76248
    August-31-2026 | 3,120 sqft | $205/sqft | built 1996 | Similar size (3,120 sqft); Similar age (1996); Sold after the valuation date
    $640,000
  • 1625 Highland Oaks Dr, Keller, TX 76248
    August-24-2026 | 3,227 sqft | $222/sqft | built 1997 | Similar size (3,227 sqft); Similar age (1997); Sold after the valuation date
    $715,000
  • 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 (10 years older); Sold after the valuation date
    $869,000
  • 1413 Kaitlyn Ln, Keller, TX 76248
    September-25-2026 | 3,533 sqft | $240/sqft | built 2001 | 10% size difference (3,533 sqft); Similar age (2001); Sold after the valuation date
    $849,000

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

Up 4.2% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$699,088+$28,371+4.2%
2025$670,717+$60,974+10.0%
2024$609,743+$55,431+10.0%
2023$554,312+$50,392+10.0%
2022$503,920+$45,811+10.0%
2021$458,109——
5-year total+$240,979+52.6%