Travis Value

818 Mariner, Lakeway, TX 78734

4 bed / 5 bath, 3,120 sqft, built 1966 Appraised at $915,318 for 2026.

Travis County account 000000144588

Appraised value
$915,318
Tax year 2026 · after any cap, before exemptions
Living area
3,120 sqft
$293 per sqft
Year built
1966

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 29.8% from $704,983 in 2025 to $915,318 in 2026.
  • Appraised value per square footThe current public record shows about $293 per square foot before any comparable-property adjustments.
  • 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.

  • 809 Malabar, Austin, TX 78734
    3,130 sqft | $225/sqft | built 1970 | Similar size (3,130 vs 3,120 sqft); Similar age (1970 vs 1966); Similar lot size (12,567 vs 12,998 sqft)
    $704,148
  • 712 Cutlass, TX 78734
    2,953 sqft | $465/sqft | built 1970 | 5% smaller (2,953 vs 3,120 sqft); Similar age (1970 vs 1966); Similar lot size (13,298 vs 12,998 sqft)
    $1,372,821
  • 133 Lakeway Dr, Lakeway, TX 78734
    2,918 sqft | $235/sqft | built 1968 | 6% smaller (2,918 vs 3,120 sqft); Similar age (1968 vs 1966); Similar lot size (12,998 vs 12,998 sqft)
    $686,045
  • 209 Capri, Lakeway, TX 78734
    2,871 sqft | $242/sqft | built 1968 | 8% smaller (2,871 vs 3,120 sqft); Similar age (1968 vs 1966); Same neighborhood
    $693,642
  • 813 Sunfish, TX 78734
    3,434 sqft | $228/sqft | built 1967 | 10% larger (3,434 vs 3,120 sqft); Similar age (1967 vs 1966); Similar lot size (12,501 vs 12,998 sqft)
    $782,463

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.

  • 408 Rolling Green Dr, Lakeway, TX 78734
    May-1-2026 | 3,078 sqft | $317/sqft | built 1981 | Similar size (3,078 sqft); Sold after the valuation date; Same beds (4)
    $974,900
  • 606 Eagle, Lakeway, TX 78734
    September-10-2026 | 2,688 sqft | $242/sqft | built 1984 | 14% size difference (2,688 sqft); Sold after the valuation date; Same beds (4)
    $650,000
  • 307 Lakeway Dr, TX 78734
    August-19-2026 | 2,763 sqft | $224/sqft | built 1976 | 11% size difference (2,763 sqft); Moderate age difference (10 years newer); Sold after the valuation date
    $619,000
  • 713 Mariner, Lakeway, TX 78734
    July-15-2026 | 3,981 sqft | $358/sqft | built 1969 | Similar age (1969); Sold after the valuation date; Same beds (4)
    $1,425,000
  • 911 Electra, Lakeway, TX 78734
    May-29-2026 | 2,668 sqft | $337/sqft | built 1981 | 14% size difference (2,668 sqft); Sold after the valuation date; Within 1 bedroom (3 vs 4)
    $899,000

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.