Harris Value

20518 Autumn Terrace Ln, Katy, TX 77450

2,656 sqft, built 1998, in Kelliwood Place Appraised at $446,711 for 2026.

Harris County account 1192530030075

Appraised value
$446,711
Tax year 2026 · after any cap, before exemptions
Market value
$446,806
Living area
2,656 sqft
$168 per sqft
Year built
1998
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 $406,101 in 2025 to $446,711 in 2026.
  • Appraised value per square footThe current public record shows about $168 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $95 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.

  • 20422 Autumn Terrace Ln, Katy, TX 77450
    2,683 sqft | $180/sqft | built 1998 | Similar size (2,683 vs 2,656 sqft); Built same year (1998); Similar lot size (8,865 vs 8,906 sqft)
    $482,517
  • 20523 Fawnbrook Ct, Katy, TX 77450
    2,647 sqft | $161/sqft | built 1995 | Similar size (2,647 vs 2,656 sqft); Similar age (1995 vs 1998); Similar lot size (8,966 vs 8,906 sqft)
    $426,730
  • 20631 Spring Rose Dr, Katy, TX 77450
    2,674 sqft | $171/sqft | built 1993 | Similar size (2,674 vs 2,656 sqft); Similar age (1993 vs 1998); Similar lot size (8,699 vs 8,906 sqft)
    $457,040
  • 20507 Spring Rose Dr, Katy, TX 77450
    2,764 sqft | $169/sqft | built 1998 | Similar size (2,764 vs 2,656 sqft); Built same year (1998); Similar lot size (8,760 vs 8,906 sqft)
    $466,343
  • 20622 Fawnbrook Ct, Katy, TX 77450
    2,683 sqft | $164/sqft | built 1993 | Similar size (2,683 vs 2,656 sqft); Similar age (1993 vs 1998); Similar lot size (8,531 vs 8,906 sqft)
    $441,056

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.

  • 2023 Stanford Park Ct, Katy, TX 77450
    August-28-2026 | 2,608 sqft | $142/sqft | built 2000 | Similar size (2,608 sqft); Similar age (2000); Sold after the valuation date
    $369,900
  • 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
  • 310 Gatemere Ct, Katy, TX 77450
    August-7-2026 | 2,779 sqft | $140/sqft | built 1993 | Similar size (2,779 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $388,500
  • 2311 Glendavon Ln, Katy, TX 77450
    July-29-2026 | 2,648 sqft | $155/sqft | built 2000 | Similar size (2,648 sqft); Similar age (2000); Sold after the valuation date
    $410,000
  • 20723 Vanderwick Dr, Katy, TX 77450
    August-26-2026 | 2,586 sqft | $168/sqft | built 1982 | Similar size (2,586 sqft); Sold after the valuation date
    $435,000

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.