603 Whitecap Dr, Seabrook, TX 77586

2,012 sqft, built 1973 Appraised at $279,807 for 2026.

Harris County account 0971110000010

Appraised value

$279,807

Tax year 2026 · after any cap, before exemptions

Living area

2,012 sqft

$139 per sqft

Year built

1973

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 HCAD Appraisal Area 3005.01 assessment pages.

Protest deadline

The 2026 protest deadline was May 15, 2026. The 2027 protest deadline is May 17, 2027. 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 September 27, 2026 against the official source.

Assessment snapshot

These public HCAD records highlight what may be worth checking before you file.

Assessment changeThe appraised value increased 0.6% from $278,072 in 2025 to $279,807 in 2026.
Appraised value per square footThe current public record shows about $139 per square foot before any comparable-property adjustments.
Nearby comparison areaThis page starts the equity review with public records for ZIP 77586.
Neighborhood value signalAmong 210 residential records in the same neighborhood, the average appraised value is about $137 per square foot.
Area year-over-year signalNearby residential records with prior-year values moved about +4.4% on average.

Comparable assessments

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

535 Whitecap Dr, Seabrook, TX 77586
2,032 sqft | $132/sqft | built 1973 | Similar size (2,032 vs 2,012 sqft); Built same year (1973); Similar lot size (8,580 vs 8,580 sqft)
$269,042
726 Whitecap Dr, Seabrook, TX 77586
2,024 sqft | $142/sqft | built 1973 | Similar size (2,024 vs 2,012 sqft); Built same year (1973); Similar lot size (8,875 vs 8,580 sqft)
$286,393
1403 Creek Hollow Dr, Seabrook, TX 77586
1,994 sqft | $146/sqft | built 1972 | Similar size (1,994 vs 2,012 sqft); Similar age (1972 vs 1973); Similar lot size (8,400 vs 8,580 sqft)
$290,975
1402 Bellgrove Dr, Seabrook, TX 77586
2,016 sqft | $131/sqft | built 1973 | Similar size (2,016 vs 2,012 sqft); Built same year (1973); Similar lot size (9,036 vs 8,580 sqft)
$264,312
535 Misty Lake Dr, Seabrook, TX 77586
2,038 sqft | $144/sqft | built 1972 | Similar size (2,038 vs 2,012 sqft); Similar age (1972 vs 1973); Similar lot size (8,925 vs 8,580 sqft)
$294,004

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.

534 Bayview Dr El Lago, TX 77586
August-27-2026 | 1,988 sqft | $121/sqft | built 1968 | Similar size (1,988 sqft); Moderate age difference (5 years older); Sold after the valuation date
$239,900
518 Whitecap Dr El Lago, TX 77586
September-1-2026 | 2,047 sqft | $170/sqft | built 1966 | Similar size (2,047 sqft); Moderate age difference (7 years older); Sold after the valuation date
$349,000
1422 Cedarbrook Ct, Seabrook, TX 77586
July-2-2026 | 2,032 sqft | $123/sqft | built 1963 | Similar size (2,032 sqft); Moderate age difference (10 years older); Sold after the valuation date
$249,500
614 Seaway Dr El Lago, TX 77586
August-27-2026 | 1,783 sqft | $168/sqft | built 1974 | 11% size difference (1,783 sqft); Similar age (1974); Sold after the valuation date
$299,800
502 Lorie Ln, Seabrook, TX 77586
April-30-2026 | 2,050 sqft | $168/sqft | built 1977 | Similar size (2,050 sqft); Moderate age difference (4 years newer); Sold after the valuation date
$345,000

Public appraisal comparison for 2026. Prepared October 7, 2026. Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: October 2, 2026. Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.