Harris Value

20534 Autumn Terrace Ln, Katy, TX 77450

2,697 sqft, built 1991, in Kelliwood Place Appraised at $470,529 for 2026.

Harris County account 1172640030072

Appraised value
$470,529
Tax year 2026 · after any cap, before exemptions
Market value
$473,671
Living area
2,697 sqft
$174 per sqft
Year built
1991
Good quality
Homestead
Yes
Owner-occupied exemption on file

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 10.0% from $427,754 in 2025 to $470,529 in 2026.
  • Appraised value per square footThe current public record shows about $174 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $3,142 above the appraised value used on this page.
  • 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.

  • 20607 Shadow Mill Ct, Katy, TX 77450
    2,790 sqft | $160/sqft | built 1996 | Similar size (2,790 vs 2,697 sqft); Similar age (1996 vs 1991); Similar lot size (9,105 vs 8,859 sqft)
    $446,362
  • 20631 Spring Rose Dr, Katy, TX 77450
    2,674 sqft | $171/sqft | built 1993 | Similar size (2,674 vs 2,697 sqft); Similar age (1993 vs 1991); Similar lot size (8,699 vs 8,859 sqft)
    $457,040
  • 20622 Fawnbrook Ct, Katy, TX 77450
    2,683 sqft | $164/sqft | built 1993 | Similar size (2,683 vs 2,697 sqft); Similar age (1993 vs 1991); Similar lot size (8,531 vs 8,859 sqft)
    $441,056
  • 20422 Autumn Terrace Ln, Katy, TX 77450
    2,683 sqft | $180/sqft | built 1998 | Similar size (2,683 vs 2,697 sqft); Similar lot size (8,865 vs 8,859 sqft); Same quality (Good)
    $482,517
  • 20523 Fawnbrook Ct, Katy, TX 77450
    2,647 sqft | $161/sqft | built 1995 | Similar size (2,647 vs 2,697 sqft); Similar age (1995 vs 1991); Similar lot size (8,966 vs 8,859 sqft)
    $426,730

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.

  • 310 Gatemere Ct, Katy, TX 77450
    August-7-2026 | 2,779 sqft | $140/sqft | built 1993 | Similar size (2,779 sqft); Similar age (1993); Sold after the valuation date
    $388,500
  • 703 Cranfield Ct, Katy, TX 77450
    September-21-2026 | 2,658 sqft | $173/sqft | built 1979 | Similar size (2,658 sqft); Sold after the valuation date
    $460,000
  • 1027 Flagmore Dr, Katy, TX 77450
    August-18-2026 | 2,698 sqft | $189/sqft | built 1983 | Similar size (2,698 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $510,000
  • 2023 Stanford Park Ct, Katy, TX 77450
    August-28-2026 | 2,608 sqft | $142/sqft | built 2000 | Similar size (2,608 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $369,900
  • 911 Montview Dr, Katy, TX 77450
    August-25-2026 | 2,741 sqft | $157/sqft | built 1983 | Similar size (2,741 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $429,900

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.