Harris Value

18507 Maple Mist Dr, Katy, TX 77449

2,034 sqft, built 1992, in Autumn Run Appraised at $306,563 for 2026.

Harris County account 1157600020040

Appraised value
$306,563
Tax year 2026 · after any cap, before exemptions
Market value
$346,444
Living area
2,034 sqft
$151 per sqft
Year built
1992
Average 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 77449, Autumn Run, 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 $278,694 in 2025 to $306,563 in 2026.
  • Appraised value per square footThe current public record shows about $151 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $39,881 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Autumn Run neighborhood and ZIP 77449.
  • Neighborhood value signalAmong 707 residential records in the same neighborhood, the average appraised value is about $143 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +4.4% on average.

Comparable assessments

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

  • 6923 Autumn Thistle Dr, Katy, TX 77449
    1,904 sqft | $169/sqft | built 1991 | 6% smaller (1,904 vs 2,034 sqft); Similar age (1991 vs 1992); Similar lot size (10,800 vs 11,357 sqft)
    $320,946
  • 18439 Forest Dew Dr, Katy, TX 77449
    1,969 sqft | $144/sqft | built 1999 | Similar size (1,969 vs 2,034 sqft); Similar lot size (10,641 vs 11,357 sqft); Same quality (Average)
    $283,948
  • 18115 Wild Willow Ln, Katy, TX 77449
    1,923 sqft | $118/sqft | built 1979 | 6% smaller (1,923 vs 2,034 sqft); Similar lot size (11,475 vs 11,357 sqft); Same quality (Average)
    $226,955
  • 7014 Autumn Flowers Dr, Katy, TX 77449
    1,904 sqft | $165/sqft | built 1991 | 6% smaller (1,904 vs 2,034 sqft); Similar age (1991 vs 1992); Lot 13% smaller (9,858 vs 11,357 sqft)
    $314,965
  • 6607 Mistflower Ln, Katy, TX 77449
    2,153 sqft | $135/sqft | built 2001 | 6% larger (2,153 vs 2,034 sqft); Similar lot size (12,189 vs 11,357 sqft); Same quality (Average)
    $291,446

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.

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.