Travis Value

321 S Boone Valley Dr, TX 78664

2 bathrooms, 1,900 sqft, built 2006 Appraised at $328,391 for 2026.

Travis County account 000000550887

Appraised value
$328,391
Tax year 2026 · after any cap, before exemptions
Living area
1,900 sqft
$173 per sqft
Year built
2006
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 78664 and TCAD Appraisal Area A8900 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 increased 1.0% from $325,239 in 2025 to $328,391 in 2026.
  • Appraised value per square footThe current public record shows about $173 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 78664.
  • Neighborhood value signalAmong 637 residential records in the same neighborhood, the average appraised value is about $218 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.2% on average.

Comparable assessments

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

  • 509 Paladine Pl, TX 78664
    1,900 sqft | $172/sqft | built 2006 | Similar size (1,900 vs 1,900 sqft); Built same year (2006); Similar lot size (9,121 vs 9,182 sqft)
    $326,358
  • 521 Castebar Dr, Round Rock, TX 78664
    1,900 sqft | $177/sqft | built 2007 | Similar size (1,900 vs 1,900 sqft); Similar age (2007 vs 2006); Similar lot size (9,191 vs 9,182 sqft)
    $336,138
  • 517 Castebar Dr, Round Rock, TX 78664
    1,900 sqft | $180/sqft | built 2007 | Similar size (1,900 vs 1,900 sqft); Similar age (2007 vs 2006); Similar lot size (9,243 vs 9,182 sqft)
    $341,643
  • 19613 San Chisolm Dr, TX 78664
    1,900 sqft | $180/sqft | built 2005 | Similar size (1,900 vs 1,900 sqft); Similar age (2005 vs 2006); Similar lot size (9,356 vs 9,182 sqft)
    $342,514
  • 309 S Boone Valley Dr, TX 78664
    1,900 sqft | $177/sqft | built 2007 | Similar size (1,900 vs 1,900 sqft); Similar age (2007 vs 2006); Similar lot size (9,443 vs 9,182 sqft)
    $336,793

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.

  • 517 Castebar Dr, Round Rock, TX 78664
    June-3-2026 | 1,900 sqft | $184/sqft | built 2007 | Similar size (1,900 sqft); Similar age (2007); Sold after the valuation date
    $349,000
  • 17205 Guana Cay Dr, Round Rock, TX 78664
    August-17-2026 | 1,744 sqft | $201/sqft | built 1999 | 8% size difference (1,744 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $349,900
  • 17407 Orwell Ln, Round Rock, TX 78664
    July-22-2026 | 1,826 sqft | $192/sqft | built 2002 | Similar size (1,826 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $350,000
  • 1806 Barilla Mountain Trl, Round Rock, TX 78664
    July-28-2026 | 1,711 sqft | $219/sqft | built 2001 | 10% size difference (1,711 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $375,000
  • 17124 Copperhead Dr, Round Rock, TX 78664
    July-10-2026 | 1,836 sqft | $212/sqft | built 1992 | Similar size (1,836 sqft); Sold after the valuation date
    $389,900

Public appraisal comparison for 2026. Prepared . Appraisal source: Travis Central Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.