Harris Value

20631 Autumn Terrace Ln, Katy, TX 77450

3,440 sqft, built 1997, in Kelliwood Place Appraised at $497,671 for 2026.

Harris County account 1172640050007

Appraised value
$497,671
Tax year 2026 · after any cap, before exemptions
Living area
3,440 sqft
$145 per sqft
Year built
1997
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 $480,041 in 2025 to $497,671 in 2026.
  • Appraised value per square footThe current public record shows about $145 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.

  • 20410 Spring Rose Dr, Katy, TX 77450
    3,424 sqft | $145/sqft | built 1998 | Similar size (3,424 vs 3,440 sqft); Similar age (1998 vs 1997); Similar lot size (8,760 vs 8,629 sqft)
    $497,654
  • 20511 Spring Rose Dr, Katy, TX 77450
    3,424 sqft | $156/sqft | built 1998 | Similar size (3,424 vs 3,440 sqft); Similar age (1998 vs 1997); Similar lot size (8,760 vs 8,629 sqft)
    $534,122
  • 20711 Shadow Mill Ct, Katy, TX 77450
    3,410 sqft | $154/sqft | built 1997 | Similar size (3,410 vs 3,440 sqft); Built same year (1997); Similar lot size (8,804 vs 8,629 sqft)
    $525,082
  • 20727 Shadow Mill Ct, Katy, TX 77450
    3,532 sqft | $142/sqft | built 1997 | Similar size (3,532 vs 3,440 sqft); Built same year (1997); Similar lot size (8,700 vs 8,629 sqft)
    $502,932
  • 20718 Shadow Mill Ct, Katy, TX 77450
    3,342 sqft | $155/sqft | built 1997 | Similar size (3,342 vs 3,440 sqft); Built same year (1997); Similar lot size (8,700 vs 8,629 sqft)
    $518,445

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.

  • 23006 Heathercroft Dr, Katy, TX 77450
    July-27-2026 | 3,351 sqft | $134/sqft | built 1998 | Similar size (3,351 sqft); Similar age (1998); Sold after the valuation date
    $450,000
  • 22814 Pennyrile Ln, Katy, TX 77450
    July-16-2026 | 3,389 sqft | $156/sqft | built 1996 | Similar size (3,389 sqft); Similar age (1996); Sold after the valuation date
    $529,000
  • 20723 Autumn Terrace Ln, Katy, TX 77450
    July-17-2026 | 3,469 sqft | $150/sqft | built 2002 | Similar size (3,469 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $519,990
  • 20603 Morning Creek Dr, Katy, TX 77450
    August-26-2026 | 3,725 sqft | $134/sqft | built 1998 | 8% size difference (3,725 sqft); Similar age (1998); Sold after the valuation date
    $499,900
  • 1118 Sherfield Ridge Dr, Katy, TX 77450
    August-21-2026 | 3,538 sqft | $201/sqft | built 1989 | Similar size (3,538 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $709,700

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.