Harris Value

21127 Park Brook Dr, Katy, TX 77450

3,599 sqft, built 1977, in Memorial Parkway Appraised at $377,704 for 2026.

Harris County account 1122830000010

Appraised value
$377,704
Tax year 2026 · after any cap, before exemptions
Living area
3,599 sqft
$105 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, 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 decreased 1.2% from $382,342 in 2025 to $377,704 in 2026.
  • Appraised value per square footThe current public record shows about $105 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 674 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 +2.2% on average.

Comparable assessments

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

  • 21307 Park Bluff Dr, Katy, TX 77450
    3,005 sqft | $106/sqft | built 1977 | Built same year (1977); Similar lot size (8,050 vs 8,120 sqft); Same quality (Average)
    $318,620
  • 21227 Park Brook Dr, Katy, TX 77450
    3,143 sqft | $105/sqft | built 1979 | 13% smaller (3,143 vs 3,599 sqft); Similar age (1979 vs 1977); Similar lot size (8,533 vs 8,120 sqft)
    $329,999
  • 1319 Westgreen Blvd, Katy, TX 77450
    3,025 sqft | $97/sqft | built 1978 | Similar age (1978 vs 1977); Similar lot size (8,050 vs 8,120 sqft); Same quality (Average)
    $292,054
  • 21427 Park Brook Dr, Katy, TX 77450
    3,181 sqft | $104/sqft | built 1978 | 12% smaller (3,181 vs 3,599 sqft); Similar age (1978 vs 1977); Similar lot size (7,475 vs 8,120 sqft)
    $329,251
  • 1338 Westgreen Blvd, Katy, TX 77450
    3,344 sqft | $99/sqft | built 1979 | 7% smaller (3,344 vs 3,599 sqft); Similar age (1979 vs 1977); Lot 15% larger (9,315 vs 8,120 sqft)
    $329,453

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.

  • 1431 Hoveden Dr, Katy, TX 77450
    August-19-2026 | 3,495 sqft | $209/sqft | built 1980 | Similar size (3,495 sqft); Similar age (1980); Sold after the valuation date
    $729,000
  • 1118 Sherfield Ridge Dr, Katy, TX 77450
    August-21-2026 | 3,538 sqft | $201/sqft | built 1989 | Similar size (3,538 sqft); Sold after the valuation date
    $709,700
  • 2414 Shelby Park Dr, Katy, TX 77450
    July-27-2026 | 3,800 sqft | $151/sqft | built 1992 | 6% size difference (3,800 sqft); Sold after the valuation date
    $575,000
  • 20911 Park Brush Cir, Katy, TX 77450
    September-17-2026 | 2,890 sqft | $119/sqft | built 1977 | Similar age (1977); Sold after the valuation date
    $345,000
  • 22814 Pennyrile Ln, Katy, TX 77450
    July-16-2026 | 3,389 sqft | $156/sqft | built 1996 | 6% size difference (3,389 sqft); Sold after the valuation date
    $529,000

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.