Harris Value

503 Mornington Ln, Katy, TX 77494

2,194 sqft, built 2008, in Lakes At Grand Harbor Appraised at $323,231 for 2026.

Harris County account 1277100040058

Appraised value
$323,231
Tax year 2026 · after any cap, before exemptions
Living area
2,194 sqft
$147 per sqft
Year built
2008
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, Lakes 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 2.8% from $332,597 in 2025 to $323,231 in 2026.
  • Appraised value per square footThe current public record shows about $147 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lakes At Grand Harbor neighborhood and ZIP 77494.
  • Neighborhood value signalAmong 242 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 -0.2% on average.

Comparable assessments

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

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.

  • 24223 Courtland Oaks St, Katy, TX 77494
    August-14-2026 | 2,155 sqft | $146/sqft | built 2008 | Similar size (2,155 sqft); Similar age (2008); Sold after the valuation date
    $315,000
  • 430 Dockside Terrace Ln, Katy, TX 77494
    July-31-2026 | 1,872 sqft | $160/sqft | built 2008 | 15% size difference (1,872 sqft); Similar age (2008); Sold after the valuation date
    $299,000
  • 23926 N Newport Bend Cir, Katy, TX 77494
    September-17-2026 | 1,685 sqft | $183/sqft | built 2009 | Similar age (2009); Sold after the valuation date
    $308,000
  • 623 W Newport Bnd, Katy, TX 77494
    August-10-2026 | 1,890 sqft | $175/sqft | built 2010 | 14% size difference (1,890 sqft); Similar age (2010); Sold after the valuation date
    $330,000
  • 23010 Lodge Meadows Dr, Katy, TX 77494
    July-10-2026 | 2,462 sqft | $183/sqft | built 1995 | 12% size difference (2,462 sqft); Sold after the valuation date
    $450,000

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.