Travis Value

3647 High Mountain Dr, Lago Vista, TX 78645

3 bed / 2 bath, 2,157 sqft, built 1984 Appraised at $401,517 for 2026.

Travis County account 000000173885

Appraised value
$401,517
Tax year 2026 · after any cap, before exemptions
Living area
2,157 sqft
$186 per sqft
Year built
1984
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 TCAD Appraisal Area S1000 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 3.3% from $415,381 in 2025 to $401,517 in 2026.
  • Appraised value per square footThe current public record shows about $186 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 78645.
  • Neighborhood value signalAmong 1,181 residential records in the same neighborhood, the average appraised value is about $195 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.9% on average.

Comparable assessments

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

  • 21223 Oak Dale Dr, Lago Vista, TX 78645
    2,154 sqft | $191/sqft | built 1984 | Similar size (2,154 vs 2,157 sqft); Built same year (1984); Similar lot size (13,782 vs 14,183 sqft)
    $410,575
  • 4201 Outpost Trace, TX 78645
    2,137 sqft | $175/sqft | built 1983 | Similar size (2,137 vs 2,157 sqft); Similar age (1983 vs 1984); Similar lot size (13,873 vs 14,183 sqft)
    $374,689
  • 4110 Rimrock Dr, TX 78645
    2,212 sqft | $181/sqft | built 1987 | Similar size (2,212 vs 2,157 sqft); Similar age (1987 vs 1984); Similar lot size (13,281 vs 14,183 sqft)
    $400,731
  • 20712 Hayes Cv, TX 78645
    2,112 sqft | $197/sqft | built 1986 | Similar size (2,112 vs 2,157 sqft); Similar age (1986 vs 1984); Same neighborhood
    $415,433
  • 3000 Drake Cv, TX 78645
    2,149 sqft | $180/sqft | built 1989 | Similar size (2,149 vs 2,157 sqft); Similar age (1989 vs 1984); Same neighborhood
    $387,504

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.

  • 20904 Roundup Trl, Lago Vista, TX 78645
    June-26-2026 | 2,000 sqft | $212/sqft | built 1978 | 7% size difference (2,000 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $425,000
  • 3702 Rock Terrace Dr, Lago Vista, TX 78645
    May-21-2026 | 2,264 sqft | $194/sqft | built 1999 | Similar size (2,264 sqft); Sold after the valuation date; Same beds (3)
    $440,000
  • 21407 High Dr, Lago Vista, TX 78645
    May-4-2026 | 2,361 sqft | $208/sqft | built 1988 | 10% size difference (2,361 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $489,950
  • 21629 High Dr, Lago Vista, TX 78645
    April-13-2026 | 2,259 sqft | $263/sqft | built 1992 | Similar size (2,259 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $595,000
  • 156 Lakefront Dr, Lago Vista, TX 78645
    August-12-2026 | 1,874 sqft | $292/sqft | built 1985 | 13% size difference (1,874 sqft); Similar age (1985); Sold after the valuation date
    $548,000

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.