Harris Value

815 Red Rock Canyon Dr, Katy, TX 77450

2,054 sqft, built 1977, in Cimarron Appraised at $272,567 for 2026.

Harris County account 1097150000042

Appraised value
$272,567
Tax year 2026 · after any cap, before exemptions
Living area
2,054 sqft
$133 per sqft
Year built
1977
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 2.9% from $264,984 in 2025 to $272,567 in 2026.
  • Appraised value per square footThe current public record shows about $133 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 870 residential records in the same neighborhood, the average appraised value is about $154 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.6% on average.

Comparable assessments

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

  • 22238 Red River Dr, Katy, TX 77450
    2,051 sqft | $135/sqft | built 1977 | Similar size (2,051 vs 2,054 sqft); Built same year (1977); Similar lot size (7,680 vs 7,680 sqft)
    $277,063
  • 22626 Indian Ridge Dr, Katy, TX 77450
    2,065 sqft | $136/sqft | built 1978 | Similar size (2,065 vs 2,054 sqft); Similar age (1978 vs 1977); Similar lot size (7,656 vs 7,680 sqft)
    $281,788
  • 22326 Indian Ridge Dr, Katy, TX 77450
    2,093 sqft | $133/sqft | built 1977 | Similar size (2,093 vs 2,054 sqft); Built same year (1977); Similar lot size (7,680 vs 7,680 sqft)
    $279,353
  • 823 Sundance Valley Dr, Katy, TX 77450
    2,021 sqft | $131/sqft | built 1978 | Similar size (2,021 vs 2,054 sqft); Similar age (1978 vs 1977); Similar lot size (7,754 vs 7,680 sqft)
    $263,842
  • 22222 Red River Dr, Katy, TX 77450
    2,124 sqft | $143/sqft | built 1977 | Similar size (2,124 vs 2,054 sqft); Built same year (1977); Similar lot size (7,680 vs 7,680 sqft)
    $303,734

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.

  • 21123 Park Villa Dr, Katy, TX 77450
    September-18-2026 | 2,002 sqft | $149/sqft | built 1976 | Similar size (2,002 sqft); Similar age (1976); Sold after the valuation date
    $299,000
  • 21614 Park Wick Ln, Katy, TX 77450
    August-28-2026 | 2,112 sqft | $158/sqft | built 1977 | Similar size (2,112 sqft); Similar age (1977); Sold after the valuation date
    $333,333
  • 20319 Monkswood Dr, Katy, TX 77450
    August-21-2026 | 2,118 sqft | $165/sqft | built 1978 | Similar size (2,118 sqft); Similar age (1978); Sold after the valuation date
    $350,000
  • 21311 Park York Dr, Katy, TX 77450
    September-8-2026 | 2,172 sqft | $145/sqft | built 1977 | 6% size difference (2,172 sqft); Similar age (1977); Sold after the valuation date
    $315,000
  • 21115 Park Bend Dr, Katy, TX 77450
    August-3-2026 | 2,109 sqft | $151/sqft | built 1979 | Similar size (2,109 sqft); Similar age (1979); Sold after the valuation date
    $319,000

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.