Harris Value

827 Long Prairie Dr, Katy, TX 77450

2,376 sqft, built 1991, in Cimarron Appraised at $329,273 for 2026.

Harris County account 1130280280011

Appraised value
$329,273
Tax year 2026 · after any cap, before exemptions
Living area
2,376 sqft
$139 per sqft
Year built
1991
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 increased 9.7% from $300,290 in 2025 to $329,273 in 2026.
  • Appraised value per square footThe current public record shows about $139 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.

  • 830 Sierra Lake Dr, Katy, TX 77450
    2,376 sqft | $153/sqft | built 1991 | Similar size (2,376 vs 2,376 sqft); Built same year (1991); Similar lot size (7,163 vs 7,130 sqft)
    $364,302
  • 906 Long Prairie Dr, Katy, TX 77450
    2,388 sqft | $144/sqft | built 1989 | Similar size (2,388 vs 2,376 sqft); Similar age (1989 vs 1991); Similar lot size (7,360 vs 7,130 sqft)
    $343,033
  • 1018 Cheyenne Meadows Dr, Katy, TX 77450
    2,388 sqft | $145/sqft | built 1990 | Similar size (2,388 vs 2,376 sqft); Similar age (1990 vs 1991); Similar lot size (7,046 vs 7,130 sqft)
    $346,497
  • 815 Sierra Lake Dr, Katy, TX 77450
    2,376 sqft | $137/sqft | built 1990 | Similar size (2,376 vs 2,376 sqft); Similar age (1990 vs 1991); Similar lot size (6,900 vs 7,130 sqft)
    $325,065
  • 822 Sierra Lake Dr, Katy, TX 77450
    2,470 sqft | $148/sqft | built 1991 | Similar size (2,470 vs 2,376 sqft); Built same year (1991); Similar lot size (6,900 vs 7,130 sqft)
    $364,950

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.

  • 1219 Hollow Ash Ln, Katy, TX 77450
    September-16-2026 | 2,334 sqft | $156/sqft | built 1993 | Similar size (2,334 sqft); Similar age (1993); Sold after the valuation date
    $365,000
  • 1311 Shadow Mountain Dr, Katy, TX 77450
    September-18-2026 | 2,396 sqft | $134/sqft | built 1994 | Similar size (2,396 sqft); Similar age (1994); Sold after the valuation date
    $319,900
  • 20518 Hampshire Rocks Dr, Katy, TX 77450
    August-28-2026 | 2,282 sqft | $180/sqft | built 1990 | Similar size (2,282 sqft); Similar age (1990); Sold after the valuation date
    $409,900
  • 21450 Park Post Ln, Katy, TX 77450
    September-14-2026 | 2,448 sqft | $155/sqft | built 1989 | Similar size (2,448 sqft); Similar age (1989); Sold after the valuation date
    $380,000
  • 815 Sierra Lake Dr, Katy, TX 77450
    June-29-2026 | 2,376 sqft | $152/sqft | built 1990 | Similar size (2,376 sqft); Similar age (1990); Sold after the valuation date
    $360,000

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.