Harris Value

814 Long Prairie Dr, Katy, TX 77450

2,643 sqft, built 1990, in Cimarron Appraised at $322,690 for 2026.

Harris County account 1130280350018

Appraised value
$322,690
Tax year 2026 · after any cap, before exemptions
Living area
2,643 sqft
$122 per sqft
Year built
1990
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 77450, Cimarron, 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 3.1% from $332,985 in 2025 to $322,690 in 2026.
  • Appraised value per square footThe current public record shows about $122 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Cimarron neighborhood and ZIP 77450.
  • Neighborhood value signalAmong 240 residential records in the same neighborhood, the average appraised value is about $144 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +2.6% on average.

Comparable assessments

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

  • 1015 Mountain Meadows Dr, Katy, TX 77450
    2,643 sqft | $122/sqft | built 1990 | Similar size (2,643 vs 2,643 sqft); Built same year (1990); Similar lot size (7,482 vs 7,375 sqft)
    $321,762
  • 935 Long Prairie Dr, Katy, TX 77450
    2,643 sqft | $130/sqft | built 1989 | Similar size (2,643 vs 2,643 sqft); Similar age (1989 vs 1990); Similar lot size (7,475 vs 7,375 sqft)
    $342,437
  • 22827 Red River Dr, Katy, TX 77450
    2,707 sqft | $121/sqft | built 1989 | Similar size (2,707 vs 2,643 sqft); Similar age (1989 vs 1990); Similar lot size (7,475 vs 7,375 sqft)
    $327,889
  • 910 Mountain Meadows Dr, Katy, TX 77450
    2,539 sqft | $126/sqft | built 1992 | Similar size (2,539 vs 2,643 sqft); Similar age (1992 vs 1990); Similar lot size (7,182 vs 7,375 sqft)
    $318,672
  • 715 Copper Creek Dr, Katy, TX 77450
    2,700 sqft | $120/sqft | built 1990 | Similar size (2,700 vs 2,643 sqft); Built same year (1990); Similar lot size (6,827 vs 7,375 sqft)
    $325,119

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.

  • 1027 Flagmore Dr, Katy, TX 77450
    August-18-2026 | 2,698 sqft | $189/sqft | built 1983 | Similar size (2,698 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $510,000
  • 911 Montview Dr, Katy, TX 77450
    August-25-2026 | 2,741 sqft | $157/sqft | built 1983 | Similar size (2,741 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $429,900
  • 20723 Vanderwick Dr, Katy, TX 77450
    August-26-2026 | 2,586 sqft | $168/sqft | built 1982 | Similar size (2,586 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $435,000
  • 21659 Park York Dr, Katy, TX 77450
    September-14-2026 | 2,456 sqft | $129/sqft | built 1983 | 7% size difference (2,456 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $318,000
  • 2023 Stanford Park Ct, Katy, TX 77450
    August-28-2026 | 2,608 sqft | $142/sqft | built 2000 | Similar size (2,608 sqft); Moderate age difference (10 years newer); Sold after the valuation date
    $369,900

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.