Harris Value

21222 Park Rock Ln, Katy, TX 77450

1,586 sqft, built 1975, in Memorial Parkway Appraised at $296,721 for 2026.

Harris County account 1085060000119

Appraised value
$296,721
Tax year 2026 · after any cap, before exemptions
Living area
1,586 sqft
$187 per sqft
Year built
1975
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, Memorial Parkway, 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 1.2% from $293,112 in 2025 to $296,721 in 2026.
  • Appraised value per square footThe current public record shows about $187 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Memorial Parkway neighborhood and ZIP 77450.
  • Neighborhood value signalAmong 490 residential records in the same neighborhood, the average appraised value is about $135 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +1.9% on average.

Comparable assessments

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

  • 21227 Park Brush Ln, Katy, TX 77450
    1,586 sqft | $166/sqft | built 1977 | Similar size (1,586 vs 1,586 sqft); Similar age (1977 vs 1975); Similar lot size (7,540 vs 7,656 sqft)
    $262,827
  • 21323 Park Green Dr, Katy, TX 77450
    1,574 sqft | $164/sqft | built 1975 | Similar size (1,574 vs 1,586 sqft); Built same year (1975); Similar lot size (7,684 vs 7,656 sqft)
    $257,592
  • 21414 Cimarron Pky, Katy, TX 77450
    1,565 sqft | $164/sqft | built 1975 | Similar size (1,565 vs 1,586 sqft); Built same year (1975); Similar lot size (7,475 vs 7,656 sqft)
    $257,311
  • 20914 Park Ridge Ct, Katy, TX 77450
    1,617 sqft | $174/sqft | built 1977 | Similar size (1,617 vs 1,586 sqft); Similar age (1977 vs 1975); Similar lot size (7,664 vs 7,656 sqft)
    $281,396
  • 20802 Westgreen Ct, Katy, TX 77450
    1,617 sqft | $174/sqft | built 1978 | Similar size (1,617 vs 1,586 sqft); Similar age (1978 vs 1975); Similar lot size (7,212 vs 7,656 sqft)
    $280,730

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.

  • 22810 Goldstone Dr, Katy, TX 77450
    September-9-2026 | 1,570 sqft | $153/sqft | built 1976 | Similar size (1,570 sqft); Similar age (1976); Sold after the valuation date
    $240,000
  • 21222 Park Mount Dr, Katy, TX 77450
    August-26-2026 | 1,516 sqft | $148/sqft | built 1982 | Similar size (1,516 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $225,000
  • 20218 Pittsford Dr, Katy, TX 77450
    September-1-2026 | 1,656 sqft | $196/sqft | built 1978 | Similar size (1,656 sqft); Similar age (1978); Sold after the valuation date
    $325,000
  • 914 Red Rock Canyon Dr, Katy, TX 77450
    June-25-2026 | 1,620 sqft | $182/sqft | built 1977 | Similar size (1,620 sqft); Similar age (1977); Sold after the valuation date
    $295,000
  • 21403 Park Bluff Dr, Katy, TX 77450
    August-26-2026 | 1,715 sqft | $174/sqft | built 1978 | 8% size difference (1,715 sqft); Similar age (1978); Sold after the valuation date
    $299,000

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.