Harris Value

19910 Millstone Ridge Ln, Katy, TX 77449

2,555 sqft, built 2005, in Windstone Colony Appraised at $318,151 for 2026.

Harris County account 1247000010036

Appraised value
$318,151
Tax year 2026 · after any cap, before exemptions
Living area
2,555 sqft
$125 per sqft
Year built
2005
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 4.0% from $331,553 in 2025 to $318,151 in 2026.
  • Appraised value per square footThe current public record shows about $125 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.

  • 19822 Stackwood Ln, Katy, TX 77449
    2,634 sqft | $119/sqft | built 2004 | Similar size (2,634 vs 2,555 sqft); Similar age (2004 vs 2005); Similar lot size (8,875 vs 8,938 sqft)
    $313,422
  • 4927 Ledge Creek Ln, Houston, TX 77449
    2,589 sqft | $122/sqft | built 2004 | Similar size (2,589 vs 2,555 sqft); Similar age (2004 vs 2005); Similar lot size (9,430 vs 8,938 sqft)
    $315,510
  • 4906 Ivy Stone Ct, Houston, TX 77449
    2,576 sqft | $119/sqft | built 2001 | Similar size (2,576 vs 2,555 sqft); Similar age (2001 vs 2005); Similar lot size (8,610 vs 8,938 sqft)
    $306,637
  • 5019 Rocky Manor Ln, Houston, TX 77449
    2,550 sqft | $117/sqft | built 2003 | Similar size (2,550 vs 2,555 sqft); Similar age (2003 vs 2005); Similar lot size (8,149 vs 8,938 sqft)
    $299,478
  • 20026 Still Manor Ct, Katy, TX 77449
    2,583 sqft | $125/sqft | built 2004 | Similar size (2,583 vs 2,555 sqft); Similar age (2004 vs 2005); Similar lot size (9,756 vs 8,938 sqft)
    $321,621

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.

  • 6510 Briar Moss Ln, Katy, TX 77449
    August-17-2026 | 2,515 sqft | $121/sqft | built 2006 | Similar size (2,515 sqft); Similar age (2006); Sold after the valuation date
    $305,000
  • 5919 Laramie River Ct, Katy, TX 77449
    July-9-2026 | 2,469 sqft | $117/sqft | built 2006 | Similar size (2,469 sqft); Similar age (2006); Sold after the valuation date
    $289,900
  • 3107 Oxbridge Ct, Katy, TX 77449
    August-11-2026 | 2,406 sqft | $112/sqft | built 2000 | 6% size difference (2,406 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $270,000
  • 6422 Mustang Draw Ln, Katy, TX 77449
    August-20-2026 | 2,488 sqft | $125/sqft | built 2001 | Similar size (2,488 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $310,000
  • 19406 Concho Springs Dr, Katy, TX 77449
    July-31-2026 | 2,601 sqft | $165/sqft | built 2001 | Similar size (2,601 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $429,000

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.