Harris Value

5451 Mersea Dr, Katy, TX 77449

2,313 sqft, built 1998 Appraised at $299,472 for 2026.

Harris County account 1164580260006

Appraised value
$299,472
Tax year 2026 · after any cap, before exemptions
Living area
2,313 sqft
$129 per sqft
Year built
1998
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, HCAD Appraisal Area 13.00, 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 decreased 0.1% from $299,635 in 2025 to $299,472 in 2026.
  • Appraised value per square footThe current public record shows about $129 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77449.
  • Neighborhood value signalAmong 831 residential records in the same neighborhood, the average appraised value is about $128 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +1.7% on average.

Comparable assessments

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

  • 21319 Penzance Dr, Katy, TX 77449
    2,319 sqft | $126/sqft | built 1998 | Similar size (2,319 vs 2,313 sqft); Built same year (1998); Similar lot size (8,545 vs 8,620 sqft)
    $291,500
  • 5435 Wolf Rock Dr, Katy, TX 77449
    2,293 sqft | $131/sqft | built 1998 | Similar size (2,293 vs 2,313 sqft); Built same year (1998); Similar lot size (8,737 vs 8,620 sqft)
    $301,046
  • 21734 Wildcroft Dr, Katy, TX 77449
    2,285 sqft | $120/sqft | built 1997 | Similar size (2,285 vs 2,313 sqft); Similar age (1997 vs 1998); Similar lot size (9,000 vs 8,620 sqft)
    $274,310
  • 21702 Manor Court Dr, Katy, TX 77449
    2,280 sqft | $121/sqft | built 2000 | Similar size (2,280 vs 2,313 sqft); Similar age (2000 vs 1998); Similar lot size (8,337 vs 8,620 sqft)
    $275,977
  • 21131 Wildcroft Dr, Katy, TX 77449
    2,280 sqft | $120/sqft | built 1997 | Similar size (2,280 vs 2,313 sqft); Similar age (1997 vs 1998); Similar lot size (8,217 vs 8,620 sqft)
    $274,106

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.

  • 19706 Windmoor Ct, Katy, TX 77449
    September-28-2026 | 2,400 sqft | $120/sqft | built 1998 | Similar size (2,400 sqft); Similar age (1998); Sold after the valuation date
    $289,000
  • 3107 Oxbridge Ct, Katy, TX 77449
    August-11-2026 | 2,406 sqft | $112/sqft | built 2000 | Similar size (2,406 sqft); Similar age (2000); Sold after the valuation date
    $270,000
  • 3902 Flatwood Dr, Katy, TX 77449
    September-25-2026 | 2,464 sqft | $134/sqft | built 2001 | 6% size difference (2,464 sqft); Similar age (2001); Sold after the valuation date
    $330,000
  • 5106 Opal Sky Dr, Katy, TX 77449
    September-24-2026 | 2,322 sqft | $125/sqft | built 2004 | Similar size (2,322 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $290,000
  • 21638 Wildcroft Dr, Katy, TX 77449
    June-24-2026 | 2,382 sqft | $126/sqft | built 1996 | Similar size (2,382 sqft); Similar age (1996); Sold after the valuation date
    $300,000

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.