Harris Value

19807 Diamond Hills Ln, Katy, TX 77449

1,839 sqft, built 2004, in Windstone Colony Appraised at $262,000 for 2026.

Harris County account 1247000020008

Appraised value
$262,000
Tax year 2026 · after any cap, before exemptions
Living area
1,839 sqft
$142 per sqft
Year built
2004
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 77449, Windstone Colony, 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 3.9% from $272,661 in 2025 to $262,000 in 2026.
  • Appraised value per square footThe current public record shows about $142 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Windstone Colony neighborhood and ZIP 77449.
  • Neighborhood value signalAmong 378 residential records in the same neighborhood, the average appraised value is about $131 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.0% on average.

Comparable assessments

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

  • 4815 Boulder Trace Ln, Katy, TX 77449
    1,853 sqft | $142/sqft | built 2004 | Similar size (1,853 vs 1,839 sqft); Built same year (2004); Similar lot size (6,664 vs 6,654 sqft)
    $263,557
  • 4827 Claymill Ct, Katy, TX 77449
    1,853 sqft | $142/sqft | built 2004 | Similar size (1,853 vs 1,839 sqft); Built same year (2004); Similar lot size (6,633 vs 6,654 sqft)
    $263,530
  • 20011 Still Manor Ct, Katy, TX 77449
    1,830 sqft | $147/sqft | built 2004 | Similar size (1,830 vs 1,839 sqft); Built same year (2004); Similar lot size (6,713 vs 6,654 sqft)
    $269,456
  • 19715 Diamond Hills Ln, Katy, TX 77449
    1,829 sqft | $143/sqft | built 2004 | Similar size (1,829 vs 1,839 sqft); Built same year (2004); Similar lot size (6,601 vs 6,654 sqft)
    $261,273
  • 4910 Morningmount Ln, Katy, TX 77449
    1,832 sqft | $140/sqft | built 2005 | Similar size (1,832 vs 1,839 sqft); Similar age (2005 vs 2004); Similar lot size (6,600 vs 6,654 sqft)
    $256,440

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.

  • 4910 Morningmount Ln, Katy, TX 77449
    August-31-2026 | 1,832 sqft | $136/sqft | built 2005 | Similar size (1,832 sqft); Similar age (2005); Sold after the valuation date
    $250,000
  • 6218 Pleasant Stream Dr, Katy, TX 77449
    August-28-2026 | 1,833 sqft | $147/sqft | built 2003 | Similar size (1,833 sqft); Similar age (2003); Sold after the valuation date
    $269,990
  • 6326 Bonnie Chase Ln, Katy, TX 77449
    September-21-2026 | 1,855 sqft | $135/sqft | built 2005 | Similar size (1,855 sqft); Similar age (2005); Sold after the valuation date
    $250,000
  • 3830 Silverhawk Dr, Katy, TX 77449
    September-1-2026 | 1,752 sqft | $151/sqft | built 2005 | Similar size (1,752 sqft); Similar age (2005); Sold after the valuation date
    $265,000
  • 21139 Wildcroft Dr, Katy, TX 77449
    September-18-2026 | 1,789 sqft | $140/sqft | built 1998 | Similar size (1,789 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $250,000

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.