Harris Value

3814 Harris Mill Dr, Katy, TX 77449

2,690 sqft, built 2005, in Westfield Appraised at $344,796 for 2026.

Harris County account 1248750010012

Appraised value
$344,796
Tax year 2026 · after any cap, before exemptions
Living area
2,690 sqft
$128 per sqft
Year built
2005
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, Westfield, 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 3.8% from $332,075 in 2025 to $344,796 in 2026.
  • Appraised value per square footThe current public record shows about $128 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Westfield neighborhood and ZIP 77449.
  • Neighborhood value signalAmong 269 residential records in the same neighborhood, the average appraised value is about $127 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +5.7% on average.

Comparable assessments

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

  • 3526 Swordfern Pl, Katy, TX 77449
    2,657 sqft | $131/sqft | built 2001 | Similar size (2,657 vs 2,690 sqft); Similar age (2001 vs 2005); Similar lot size (8,233 vs 8,372 sqft)
    $347,143
  • 3531 Paintedfern Pl, Katy, TX 77449
    2,728 sqft | $120/sqft | built 2002 | Similar size (2,728 vs 2,690 sqft); Similar age (2002 vs 2005); Similar lot size (8,735 vs 8,372 sqft)
    $328,644
  • 19618 Fernhaven Dr, Katy, TX 77449
    2,573 sqft | $130/sqft | built 2003 | Similar size (2,573 vs 2,690 sqft); Similar age (2003 vs 2005); Similar lot size (8,547 vs 8,372 sqft)
    $335,197
  • 3522 Sweetspire Rd, Katy, TX 77449
    2,758 sqft | $119/sqft | built 2000 | Similar size (2,758 vs 2,690 sqft); Similar age (2000 vs 2005); Similar lot size (8,668 vs 8,372 sqft)
    $328,966
  • 3503 Bramblefern Pl, Katy, TX 77449
    2,758 sqft | $122/sqft | built 2000 | Similar size (2,758 vs 2,690 sqft); Similar age (2000 vs 2005); Similar lot size (8,059 vs 8,372 sqft)
    $335,898

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.

  • 4035 Mt Whitney Way, Katy, TX 77449
    September-4-2026 | 2,721 sqft | $110/sqft | built 2004 | Similar size (2,721 sqft); Similar age (2004); Sold after the valuation date
    $299,000
  • 19002 Tower Rose Ct, Katy, TX 77449
    July-30-2026 | 2,714 sqft | $121/sqft | built 2016 | Similar size (2,714 sqft); Sold after the valuation date
    $329,000
  • 19423 Bear Springs Dr, Katy, TX 77449
    August-7-2026 | 2,647 sqft | $107/sqft | built 2001 | Similar size (2,647 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $284,500
  • 6510 Briar Moss Ln, Katy, TX 77449
    August-17-2026 | 2,515 sqft | $121/sqft | built 2006 | 6% size difference (2,515 sqft); Similar age (2006); Sold after the valuation date
    $305,000
  • 18606 Balsam Creek Ln, Katy, TX 77449
    July-28-2026 | 2,712 sqft | $110/sqft | built 2014 | Similar size (2,712 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $299,000

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.