Harris Value

20510 Autumn Terrace Ln, Katy, TX 77450

3,020 sqft, built 1998, in Kelliwood Place Appraised at $463,529 for 2026.

Harris County account 1192530030077

Appraised value
$463,529
Tax year 2026 · after any cap, before exemptions
Living area
3,020 sqft
$153 per sqft
Year built
1998
Good 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 77450, Kelliwood Place, 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 increased 3.7% from $447,082 in 2025 to $463,529 in 2026.
  • Appraised value per square footThe current public record shows about $153 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Kelliwood Place neighborhood and ZIP 77450.
  • Neighborhood value signalAmong 218 residential records in the same neighborhood, the average appraised value is about $158 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +6.8% 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.

  • 23027 Red River Dr, Katy, TX 77450
    August-31-2026 | 3,005 sqft | $133/sqft | built 1989 | Similar size (3,005 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $400,000
  • 20503 Gable Ridge Dr, Katy, TX 77450
    May-20-2026 | 3,083 sqft | $168/sqft | built 1998 | Similar size (3,083 sqft); Similar age (1998); Sold after the valuation date
    $519,000
  • 22919 Heathercroft Dr, Katy, TX 77450
    September-30-2026 | 3,424 sqft | $143/sqft | built 1998 | 13% size difference (3,424 sqft); Similar age (1998); Sold after the valuation date
    $489,000
  • 20506 Chapel Glen Ct, Katy, TX 77450
    June-18-2026 | 3,071 sqft | $169/sqft | built 1992 | Similar size (3,071 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $520,000
  • 2023 Stanford Park Ct, Katy, TX 77450
    August-28-2026 | 2,608 sqft | $142/sqft | built 2000 | 14% size difference (2,608 sqft); Similar age (2000); Sold after the valuation date
    $369,900

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.