Travis Value

923 Porpoise, TX 78734

3 bathrooms, 4,474 sqft, built 1977 Appraised at $898,516 for 2026.

Travis County account 000000140307

Appraised value
$898,516
Tax year 2026 · after any cap, before exemptions
Market value
$1,086,142
Living area
4,474 sqft
$201 per sqft
Year built
1977
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 78734, TCAD Appraisal Area R3000, and Lake Oaks Estates 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 10.0% from $816,833 in 2025 to $898,516 in 2026.
  • Appraised value per square footThe current public record shows about $201 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $187,626 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 78734.
  • Neighborhood value signalAmong 642 residential records in the same neighborhood, the average appraised value is about $282 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +11.8% on average.

Comparable assessments

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

  • 132 Sailfish, TX 78734
    4,334 sqft | $245/sqft | built 1978 | Similar size (4,334 vs 4,474 sqft); Similar age (1978 vs 1977); Similar lot size (15,951 vs 17,114 sqft)
    $1,061,772
  • 308 Comet, Lakeway, TX 78734
    4,456 sqft | $221/sqft | built 1985 | Similar size (4,456 vs 4,474 sqft); Similar lot size (15,951 vs 17,114 sqft); Same neighborhood
    $984,776
  • 304 Seawind, TX 78734
    3,939 sqft | $231/sqft | built 1979 | 12% smaller (3,939 vs 4,474 sqft); Similar age (1979 vs 1977); Similar lot size (17,106 vs 17,114 sqft)
    $908,966
  • 422 Malabar, Lakeway, TX 78734
    4,252 sqft | $233/sqft | built 1985 | Similar size (4,252 vs 4,474 sqft); Similar lot size (15,982 vs 17,114 sqft); Same neighborhood
    $989,790
  • 203 Malabar, TX 78734
    4,016 sqft | $183/sqft | built 1970 | 10% smaller (4,016 vs 4,474 sqft); Similar lot size (17,062 vs 17,114 sqft); Same neighborhood
    $735,204

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.

  • 713 Mariner, Lakeway, TX 78734
    July-15-2026 | 3,981 sqft | $358/sqft | built 1969 | 11% size difference (3,981 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $1,425,000
  • 4208 Lakeway Blvd, Austin, TX 78734
    July-14-2026 | 4,044 sqft | $272/sqft | built 1997 | 10% size difference (4,044 sqft); Sold after the valuation date
    $1,100,000
  • 2016 Lakeway Blvd, TX 78734
    September-17-2026 | 3,351 sqft | $298/sqft | built 1990 | Sold after the valuation date
    $999,999
  • 106 Acapulco Ct, Lakeway, TX 78734
    May-15-2026 | 3,549 sqft | $268/sqft | built 1984 | Moderate age difference (7 years newer); Sold after the valuation date
    $950,000
  • 107 Squires Dr, Lakeway, TX 78734
    July-8-2026 | 4,240 sqft | $271/sqft | built 1997 | 5% size difference (4,240 sqft); Sold after the valuation date
    $1,150,000

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.