Harris Value

12830 Green Dolphin St, Houston, TX 77013

2,029 sqft, built 1972, in Northshore Appraised at $214,597 for 2026.

Harris County account 0750570040060

Appraised value
$214,597
Tax year 2026 · after any cap, before exemptions
Living area
2,029 sqft
$106 per sqft
Year built
1972
Average quality

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 77013 and Northshore 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 delivered, 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 HCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value stayed about the same, from $214,597 in 2025 to $214,597 in 2026.
  • Appraised value per square footThe current public record shows about $106 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Northshore neighborhood and ZIP 77013.
  • Neighborhood value signalAmong 84 residential records in the same neighborhood, the average appraised value is about $94 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +0.9% on average.

Comparable assessments

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

  • 94 Dattner Rd, Houston, TX 77013
    2,200 sqft | $73/sqft | built 1974 | 8% larger (2,200 vs 2,029 sqft); Similar age (1974 vs 1972); Similar lot size (11,250 vs 11,775 sqft)
    $159,693
  • 12802 Royce Ln, Houston, TX 77013
    1,906 sqft | $102/sqft | built 1968 | 6% smaller (1,906 vs 2,029 sqft); Similar age (1968 vs 1972); Lot 14% smaller (10,125 vs 11,775 sqft)
    $194,000
  • 41 Dattner Rd, Houston, TX 77013
    2,233 sqft | $75/sqft | built 1966 | 10% larger (2,233 vs 2,029 sqft); Similar lot size (11,400 vs 11,775 sqft); Same quality (Average)
    $168,504
  • 26 Dattner Rd, Houston, TX 77013
    1,747 sqft | $86/sqft | built 1969 | 14% smaller (1,747 vs 2,029 sqft); Similar age (1969 vs 1972); Similar lot size (11,250 vs 11,775 sqft)
    $149,600
  • 86 Dattner Rd, Houston, TX 77013
    1,677 sqft | $80/sqft | built 1973 | Similar age (1973 vs 1972); Similar lot size (11,250 vs 11,775 sqft); Same quality (Average)
    $134,409

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.

  • 12730 Eastbrook Dr, Houston, TX 77013
    August-21-2026 | 2,102 sqft | $136/sqft | built 1967 | Similar size (2,102 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $284,900
  • 12611 Tammarack Dr, Houston, TX 77013
    September-18-2026 | 1,728 sqft | $127/sqft | built 1974 | 15% size difference (1,728 sqft); Similar age (1974); Sold after the valuation date
    $219,000
  • 12814 Eastbrook Dr, Houston, TX 77013
    July-1-2026 | 2,172 sqft | $152/sqft | built 1968 | 7% size difference (2,172 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $330,000
  • 806 Coolwood Dr, Houston, TX 77013
    August-14-2026 | 1,838 sqft | $103/sqft | built 1969 | 9% size difference (1,838 sqft); Similar age (1969); Sold after the valuation date
    $189,900
  • 12839 Eastbrook Dr, Houston, TX 77013
    August-12-2026 | 1,604 sqft | $143/sqft | built 1970 | Similar age (1970); Sold after the valuation date
    $229,900

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County 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.