Travis Value

810 Mariner, TX 78734

3 bathrooms, 3,474 sqft, built 1981 Appraised at $921,263 for 2026.

Travis County account 000000140623

Appraised value
$921,263
Tax year 2026 · after any cap, before exemptions
Market value
$1,028,600
Living area
3,474 sqft
$265 per sqft
Year built
1981
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 $837,512 in 2025 to $921,263 in 2026.
  • Appraised value per square footThe current public record shows about $265 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $107,337 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.

  • 912 Porpoise, TX 78734
    3,466 sqft | $264/sqft | built 1982 | Similar size (3,466 vs 3,474 sqft); Similar age (1982 vs 1981); Similar lot size (14,353 vs 15,389 sqft)
    $916,182
  • 604 Eagle, TX 78734
    3,578 sqft | $254/sqft | built 1981 | Similar size (3,578 vs 3,474 sqft); Built same year (1981); Similar lot size (15,150 vs 15,389 sqft)
    $908,810
  • 446 Seawind, TX 78734
    3,421 sqft | $254/sqft | built 1981 | Similar size (3,421 vs 3,474 sqft); Built same year (1981); Lot 10% larger (16,940 vs 15,389 sqft)
    $870,346
  • 311 Comet, Lakeway, TX 78734
    3,496 sqft | $349/sqft | built 1976 | Similar size (3,496 vs 3,474 sqft); Similar age (1976 vs 1981); Similar lot size (16,213 vs 15,389 sqft)
    $1,218,432
  • 821 Malabar, Lakeway, TX 78734
    3,523 sqft | $510/sqft | built 1976 | Similar size (3,523 vs 3,474 sqft); Similar age (1976 vs 1981); Similar lot size (16,378 vs 15,389 sqft)
    $1,795,018

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.

  • 106 Acapulco Ct, Lakeway, TX 78734
    May-15-2026 | 3,549 sqft | $268/sqft | built 1984 | Similar size (3,549 sqft); Similar age (1984); Sold after the valuation date
    $950,000
  • 2016 Lakeway Blvd, TX 78734
    September-17-2026 | 3,351 sqft | $298/sqft | built 1990 | Similar size (3,351 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $999,999
  • 1710 Lakeway Blvd, TX 78734
    August-14-2026 | 3,189 sqft | $281/sqft | built 1993 | 8% size difference (3,189 sqft); Sold after the valuation date
    $895,000
  • 606 Eagle, Lakeway, TX 78734
    September-10-2026 | 2,688 sqft | $242/sqft | built 1984 | Similar age (1984); Sold after the valuation date
    $650,000
  • 307 Lakeway Dr, TX 78734
    August-19-2026 | 2,763 sqft | $224/sqft | built 1976 | Moderate age difference (5 years older); Sold after the valuation date
    $619,000

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.