Harris Value

18639 Seaton Dr, Katy, TX 77449

1,982 sqft, built 1997, in Brenwood Appraised at $322,056 for 2026.

Harris County account 1160460070007

Appraised value
$322,056
Tax year 2026 · after any cap, before exemptions
Living area
1,982 sqft
$162 per sqft
Year built
1997
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 77449, Brenwood, 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 3.1% from $312,251 in 2025 to $322,056 in 2026.
  • Appraised value per square footThe current public record shows about $162 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Brenwood neighborhood and ZIP 77449.
  • Neighborhood value signalAmong 447 residential records in the same neighborhood, the average appraised value is about $138 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +4.9% on average.

Comparable assessments

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

  • 18619 Dennington Dr, Katy, TX 77449
    1,976 sqft | $153/sqft | built 1997 | Similar size (1,976 vs 1,982 sqft); Built same year (1997); Similar lot size (6,563 vs 6,355 sqft)
    $301,677
  • 18615 Seaton Dr, Katy, TX 77449
    2,031 sqft | $152/sqft | built 1998 | Similar size (2,031 vs 1,982 sqft); Similar age (1998 vs 1997); Similar lot size (6,355 vs 6,355 sqft)
    $307,737
  • 18526 Dennington Dr, Katy, TX 77449
    1,959 sqft | $146/sqft | built 1997 | Similar size (1,959 vs 1,982 sqft); Built same year (1997); Similar lot size (6,900 vs 6,355 sqft)
    $286,138
  • 6234 Billinsgate Dr, Katy, TX 77449
    1,999 sqft | $148/sqft | built 1996 | Similar size (1,999 vs 1,982 sqft); Similar age (1996 vs 1997); Similar lot size (6,300 vs 6,355 sqft)
    $296,695
  • 18647 Seaton Dr, Katy, TX 77449
    1,994 sqft | $139/sqft | built 1997 | Similar size (1,994 vs 1,982 sqft); Built same year (1997); Similar lot size (6,355 vs 6,355 sqft)
    $276,248

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.

  • 19938 Cresent Creek Dr, Katy, TX 77449
    October-1-2026 | 2,006 sqft | $137/sqft | built 2001 | Similar size (2,006 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $275,000
  • 20335 Sabal Palms Dr, Katy, TX 77449
    August-25-2026 | 1,994 sqft | $135/sqft | built 2001 | Similar size (1,994 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $270,000
  • 20030 Mason Creek Dr, Katy, TX 77449
    August-7-2026 | 2,025 sqft | $131/sqft | built 2001 | Similar size (2,025 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $265,000
  • 3539 Lakearies Ln, Katy, TX 77449
    August-11-2026 | 1,951 sqft | $141/sqft | built 2000 | Similar size (1,951 sqft); Similar age (2000); Sold after the valuation date
    $275,000
  • 22711 Willhanna Dr, Katy, TX 77449
    July-13-2026 | 1,992 sqft | $158/sqft | built 1993 | Similar size (1,992 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $315,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.