Harris Value

1151 Flagmore Dr, Katy, TX 77450

2,566 sqft, built 1983, in Nottingham Country Appraised at $407,769 for 2026.

Harris County account 1144550050002

Appraised value
$407,769
Tax year 2026 · after any cap, before exemptions
Living area
2,566 sqft
$159 per sqft
Year built
1983
Good 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, Nottingham Country, 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 5.3% from $430,570 in 2025 to $407,769 in 2026.
  • Appraised value per square footThe current public record shows about $159 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Nottingham Country neighborhood and ZIP 77450.
  • Neighborhood value signalAmong 739 residential records in the same neighborhood, the average appraised value is about $156 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.5% on average.

Comparable assessments

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

  • 1407 Rustic Knolls Dr, Katy, TX 77450
    2,577 sqft | $157/sqft | built 1983 | Similar size (2,577 vs 2,566 sqft); Built same year (1983); Similar lot size (7,489 vs 7,475 sqft)
    $404,061
  • 20618 Castle Bend Dr, Katy, TX 77450
    2,570 sqft | $158/sqft | built 1982 | Similar size (2,570 vs 2,566 sqft); Similar age (1982 vs 1983); Similar lot size (7,517 vs 7,475 sqft)
    $404,913
  • 20722 Vanderwick Dr, Katy, TX 77450
    2,569 sqft | $163/sqft | built 1985 | Similar size (2,569 vs 2,566 sqft); Similar age (1985 vs 1983); Similar lot size (7,475 vs 7,475 sqft)
    $418,092
  • 1603 Hannington Dr, Katy, TX 77450
    2,533 sqft | $170/sqft | built 1982 | Similar size (2,533 vs 2,566 sqft); Similar age (1982 vs 1983); Similar lot size (7,475 vs 7,475 sqft)
    $431,044
  • 1330 Stependale Dr, Katy, TX 77450
    2,564 sqft | $159/sqft | built 1983 | Similar size (2,564 vs 2,566 sqft); Built same year (1983); Similar lot size (7,705 vs 7,475 sqft)
    $406,803

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.

  • 20723 Vanderwick Dr, Katy, TX 77450
    August-26-2026 | 2,586 sqft | $168/sqft | built 1982 | Similar size (2,586 sqft); Similar age (1982); Sold after the valuation date
    $435,000
  • 21659 Park York Dr, Katy, TX 77450
    September-14-2026 | 2,456 sqft | $129/sqft | built 1983 | Similar size (2,456 sqft); Similar age (1983); Sold after the valuation date
    $318,000
  • 1419 Dominion Dr, Katy, TX 77450
    September-11-2026 | 2,498 sqft | $172/sqft | built 1979 | Similar size (2,498 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $430,000
  • 1027 Flagmore Dr, Katy, TX 77450
    August-18-2026 | 2,698 sqft | $189/sqft | built 1983 | 5% size difference (2,698 sqft); Similar age (1983); Sold after the valuation date
    $510,000
  • 911 Montview Dr, Katy, TX 77450
    August-25-2026 | 2,741 sqft | $157/sqft | built 1983 | 7% size difference (2,741 sqft); Similar age (1983); Sold after the valuation date
    $429,900

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.