Travis Value

21736 Sierra Trl, TX 78645

4 bathrooms, 2,303 sqft, built 2007, in Highland Lake Estates Sec 32 Appraised at $512,446 for 2026.

Travis County account 000000584154

Appraised value
$512,446
Tax year 2026 · after any cap, before exemptions
Living area
2,303 sqft
$223 per sqft
Year built
2007
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 78645 and Highland Lake Estates Sec 32 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 TCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value decreased 8.2% from $558,443 in 2025 to $512,446 in 2026.
  • Appraised value per square footThe current public record shows about $223 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Highland Lake Estates Sec 32 neighborhood and ZIP 78645.
  • Neighborhood value signalAmong 929 residential records in the same neighborhood, the average appraised value is about $212 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +9.8% on average.

Comparable assessments

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

  • 6615 Avenida Ann St, TX 78645
    2,392 sqft | $190/sqft | built 2007 | Similar size (2,392 vs 2,303 sqft); Built same year (2007); Same neighborhood
    $454,585
  • 8623 Bluff Ridge Trl, Lago Vista, TX 78645
    2,457 sqft | $246/sqft | built 2006 | 7% larger (2,457 vs 2,303 sqft); Similar age (2006 vs 2007); Similar lot size (22,302 vs 22,686 sqft)
    $605,597
  • 21011 Buena Vista, TX 78645
    2,424 sqft | $217/sqft | built 2008 | 5% larger (2,424 vs 2,303 sqft); Similar age (2008 vs 2007); Similar lot size (22,720 vs 22,686 sqft)
    $526,075
  • 8711 Bluff Ridge Trl, TX 78645
    2,293 sqft | $301/sqft | built 2017 | Similar size (2,293 vs 2,303 sqft); Similar lot size (21,884 vs 22,686 sqft); Same neighborhood
    $689,541
  • 21900 Redbird Dr, TX 78645
    2,207 sqft | $214/sqft | built 2010 | Similar size (2,207 vs 2,303 sqft); Similar age (2010 vs 2007); Same neighborhood
    $472,719

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: Travis Central 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.