Tarrant Value

421 Glen Dr, Keller, TX 76248

2,738 sqft, built 1977, in Difonzo Estates. Appraised at $682,038 for 2026.

Tarrant County account 04541766

Appraised value
$682,038
Tax year 2026 · after any cap, before exemptions
Living area
2,738 sqft
$249 per sqft
Year built
1977

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 stayed about the same, from $682,038 in 2025 to $682,038 in 2026.
  • Appraised value per square footThe current public record shows about $249 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.

  • 516 Elaine St, Keller, TX 76248
    2,790 sqft | $168/sqft | built 1977 | Similar size (2,790 vs 2,738 sqft); Built same year (1977); Similar lot size (36,242 vs 37,897 sqft)
    $470,000
  • 507 Woodland Tr, Keller, TX 76248
    2,473 sqft | $244/sqft | built 1977 | 10% smaller (2,473 vs 2,738 sqft); Built same year (1977); Similar lot size (37,897 vs 37,897 sqft)
    $602,266
  • 813 Elaine St, Keller, TX 76248
    2,512 sqft | $193/sqft | built 1975 | 8% smaller (2,512 vs 2,738 sqft); Similar age (1975 vs 1977); Similar lot size (38,071 vs 37,897 sqft)
    $484,000
  • 500 Roland Dr, Keller, TX 76248
    2,553 sqft | $239/sqft | built 1980 | 7% smaller (2,553 vs 2,738 sqft); Similar age (1980 vs 1977); Similar lot size (36,154 vs 37,897 sqft)
    $611,365
  • 604 Elaine St, Keller, TX 76248
    2,635 sqft | $194/sqft | built 1975 | Similar size (2,635 vs 2,738 sqft); Similar age (1975 vs 1977); Lot 10% smaller (33,976 vs 37,897 sqft)
    $512,020

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.

  • 1021 Oakwood Dr, Keller, TX 76248
    May-29-2026 | 2,821 sqft | $310/sqft | built 1976 | Similar size (2,821 sqft); Similar age (1976); Sold after the valuation date
    $875,000
  • 508 Chandler Rd, Keller, TX 76248
    September-30-2026 | 2,482 sqft | $280/sqft | built 1992 | 9% size difference (2,482 sqft); Sold after the valuation date
    $695,000
  • 1117 Shady Ln N, Keller, TX 76248
    September-24-2026 | 3,272 sqft | $275/sqft | built 1975 | Similar age (1975); Sold after the valuation date
    $900,000
  • 501 Elaine St, Keller, TX 76248
    June-4-2026 | 2,456 sqft | $305/sqft | built 1977 | 10% size difference (2,456 sqft); Similar age (1977); Sold after the valuation date
    $750,000
  • 1093 Sunrise Dr, Keller, TX 76248
    June-9-2026 | 2,541 sqft | $236/sqft | built 1985 | 7% size difference (2,541 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $600,000

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$682,038$00.0%
2025$682,038$00.0%
2024$682,038−$67,238−9.0%
2023$749,276+$192,392+34.5%
2022$556,884+$28,409+5.4%
2021$528,475——
5-year total+$153,563+29.1%