Travis Value

811 Mariner, Austin, TX 78734

5 bed / 5 bath, 4,425 sqft, built 1970 Appraised at $1,197,355 for 2026.

Travis County account 000000144580

Appraised value
$1,197,355
Tax year 2026 · after any cap, before exemptions
Market value
$1,281,767
Living area
4,425 sqft
$271 per sqft
Year built
1970
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 $1,088,505 in 2025 to $1,197,355 in 2026.
  • Appraised value per square footThe current public record shows about $271 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $84,412 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.

  • 901 Porpoise, TX 78734
    4,577 sqft | $191/sqft | built 1981 | Similar size (4,577 vs 4,425 sqft); Similar lot size (14,518 vs 14,509 sqft); Same neighborhood
    $872,091
  • 132 Sailfish, TX 78734
    4,334 sqft | $245/sqft | built 1978 | Similar size (4,334 vs 4,425 sqft); Similar lot size (15,951 vs 14,509 sqft); Same neighborhood
    $1,061,772
  • 308 Comet, Lakeway, TX 78734
    4,456 sqft | $221/sqft | built 1985 | Similar size (4,456 vs 4,425 sqft); Similar lot size (15,951 vs 14,509 sqft); Same neighborhood
    $984,776
  • 820 Mariner, Lakeway, TX 78734
    3,984 sqft | $253/sqft | built 1965 | 10% smaller (3,984 vs 4,425 sqft); Similar age (1965 vs 1970); Similar lot size (14,409 vs 14,509 sqft)
    $1,006,735
  • 214 Corinthian, TX 78734
    3,661 sqft | $371/sqft | built 1970 | Built same year (1970); Similar lot size (13,873 vs 14,509 sqft); Same neighborhood
    $1,357,446

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.