Harris Value

509 Shirleen Dr, Seabrook, TX 77586

1,296 sqft, built 1966, in El Cary Estates Appraised at $206,352 for 2026.

Harris County account 0841000000005

Appraised value
$206,352
Tax year 2026 · after any cap, before exemptions
Living area
1,296 sqft
$159 per sqft
Year built
1966
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 77586 and El Cary 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 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 increased 5.5% from $195,575 in 2025 to $206,352 in 2026.
  • Appraised value per square footThe current public record shows about $159 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the El Cary Estates neighborhood and ZIP 77586.
  • Neighborhood value signalAmong 89 residential records in the same neighborhood, the average appraised value is about $148 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +7.6% on average.

Comparable assessments

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

  • 701 Shirleen Dr, Seabrook, TX 77586
    1,301 sqft | $150/sqft | built 1962 | Similar size (1,301 vs 1,296 sqft); Similar age (1962 vs 1966); Similar lot size (8,400 vs 8,043 sqft)
    $195,321
  • 505 Wildwood Dr, Seabrook, TX 77586
    1,356 sqft | $143/sqft | built 1963 | Similar size (1,356 vs 1,296 sqft); Similar age (1963 vs 1966); Similar lot size (8,400 vs 8,043 sqft)
    $193,827
  • 403 Shirleen Dr, Seabrook, TX 77586
    1,397 sqft | $166/sqft | built 1967 | 8% larger (1,397 vs 1,296 sqft); Similar age (1967 vs 1966); Similar lot size (8,400 vs 8,043 sqft)
    $231,382
  • 401 Wildwood Dr, Seabrook, TX 77586
    1,362 sqft | $164/sqft | built 1969 | 5% larger (1,362 vs 1,296 sqft); Similar age (1969 vs 1966); Lot 17% larger (9,400 vs 8,043 sqft)
    $223,022
  • 111 Lake View Blvd, Seabrook, TX 77586
    1,241 sqft | $176/sqft | built 1969 | Similar size (1,241 vs 1,296 sqft); Similar age (1969 vs 1966); Same quality (Average)
    $217,929

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.

  • 1825 Dolphin Dr, Seabrook, TX 77586
    August-14-2026 | 1,372 sqft | $117/sqft | built 1963 | 6% size difference (1,372 sqft); Similar age (1963); Sold after the valuation date
    $159,900
  • 1840 El Mar Ln, Seabrook, TX 77586
    September-18-2026 | 1,464 sqft | $164/sqft | built 1965 | 13% size difference (1,464 sqft); Similar age (1965); Sold after the valuation date
    $240,000
  • 1745 Dolphin Dr, Seabrook, TX 77586
    July-20-2026 | 1,206 sqft | $141/sqft | built 1973 | 7% size difference (1,206 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $169,999
  • 1100 N Heron Dr, Seabrook, TX 77586
    May-22-2026 | 1,402 sqft | $146/sqft | built 1977 | 8% size difference (1,402 sqft); Sold after the valuation date
    $204,000
  • 1104 N Heron Dr, Seabrook, TX 77586
    July-15-2026 | 1,538 sqft | $169/sqft | built 1977 | Sold after the valuation date
    $260,000

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.