Harris Value

24718 Top Mark Ct, Katy, TX 77494

3,589 sqft, built 2007, in Estates At Grand Harbor Appraised at $437,775 for 2026.

Harris County account 1283830010020

Appraised value
$437,775
Tax year 2026 · after any cap, before exemptions
Living area
3,589 sqft
$122 per sqft
Year built
2007
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 77494, Estates At Grand Harbor, and Katy 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 decreased 3.5% from $453,799 in 2025 to $437,775 in 2026.
  • Appraised value per square footThe current public record shows about $122 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Estates At Grand Harbor neighborhood and ZIP 77494.
  • Neighborhood value signalAmong 95 residential records in the same neighborhood, the average appraised value is about $138 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.6% on average.

Comparable assessments

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

  • 714 Harbor Lakes Ln, Katy, TX 77494
    3,666 sqft | $119/sqft | built 2008 | Similar size (3,666 vs 3,589 sqft); Similar age (2008 vs 2007); Similar lot size (7,269 vs 7,310 sqft)
    $435,649
  • 24711 Top Mark Ct, Katy, TX 77494
    3,482 sqft | $122/sqft | built 2008 | Similar size (3,482 vs 3,589 sqft); Similar age (2008 vs 2007); Similar lot size (7,307 vs 7,310 sqft)
    $423,754
  • 715 Harbor Lakes Ln, Katy, TX 77494
    3,640 sqft | $121/sqft | built 2010 | Similar size (3,640 vs 3,589 sqft); Similar age (2010 vs 2007); Similar lot size (7,167 vs 7,310 sqft)
    $439,771
  • 610 Admiral Bay Ln, Katy, TX 77494
    3,698 sqft | $119/sqft | built 2006 | Similar size (3,698 vs 3,589 sqft); Similar age (2006 vs 2007); Similar lot size (6,900 vs 7,310 sqft)
    $438,948
  • 706 Admiral Bay Ln, Katy, TX 77494
    3,461 sqft | $123/sqft | built 2008 | Similar size (3,461 vs 3,589 sqft); Similar age (2008 vs 2007); Similar lot size (6,900 vs 7,310 sqft)
    $425,031

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: Harris County Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.