Harris Value

823 Long Prairie Dr, Katy, TX 77450

1,598 sqft, built 1991, in Cimarron Appraised at $273,540 for 2026.

Harris County account 1130280280010

Appraised value
$273,540
Tax year 2026 · after any cap, before exemptions
Living area
1,598 sqft
$171 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 decreased 1.1% from $276,525 in 2025 to $273,540 in 2026.
  • Appraised value per square footThe current public record shows about $171 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.

  • 23038 Indian Ridge Dr, Katy, TX 77450
    1,594 sqft | $170/sqft | built 1991 | Similar size (1,594 vs 1,598 sqft); Built same year (1991); Similar lot size (7,245 vs 7,130 sqft)
    $271,478
  • 807 Long Prairie Dr, Katy, TX 77450
    1,587 sqft | $175/sqft | built 1992 | Similar size (1,587 vs 1,598 sqft); Similar age (1992 vs 1991); Similar lot size (7,130 vs 7,130 sqft)
    $278,181
  • 831 Sierra Lake Dr, Katy, TX 77450
    1,609 sqft | $167/sqft | built 1990 | Similar size (1,609 vs 1,598 sqft); Similar age (1990 vs 1991); Similar lot size (7,163 vs 7,130 sqft)
    $268,409
  • 814 Sierra Lake Dr, Katy, TX 77450
    1,598 sqft | $169/sqft | built 1991 | Similar size (1,598 vs 1,598 sqft); Built same year (1991); Similar lot size (6,900 vs 7,130 sqft)
    $270,482
  • 23019 Indian Ridge Dr, Katy, TX 77450
    1,594 sqft | $171/sqft | built 1991 | Similar size (1,594 vs 1,598 sqft); Built same year (1991); Similar lot size (6,900 vs 7,130 sqft)
    $272,660

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: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.