Harris Value

1102 Flagmore Dr, Katy, TX 77450

2,879 sqft, built 1988, in Nottingham Country Appraised at $483,153 for 2026.

Harris County account 1144550030017

Appraised value
$483,153
Tax year 2026 · after any cap, before exemptions
Market value
$502,558
Living area
2,879 sqft
$168 per sqft
Year built
1988
Excellent quality
Homestead
Yes
Owner-occupied exemption on file

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 increased 10.0% from $439,230 in 2025 to $483,153 in 2026.
  • Appraised value per square footThe current public record shows about $168 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $19,405 above the appraised value used on this page.
  • 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.

  • 20710 Kendra Ln, Katy, TX 77450
    2,978 sqft | $164/sqft | built 1984 | Similar size (2,978 vs 2,879 sqft); Similar age (1984 vs 1988); Similar lot size (11,821 vs 11,507 sqft)
    $489,799
  • 20607 Barkston Ct, Katy, TX 77450
    3,245 sqft | $149/sqft | built 1983 | 13% larger (3,245 vs 2,879 sqft); Similar age (1983 vs 1988); Similar lot size (10,476 vs 11,507 sqft)
    $483,153
  • 20603 Barkston Ct, Katy, TX 77450
    2,910 sqft | $166/sqft | built 1983 | Similar size (2,910 vs 2,879 sqft); Similar age (1983 vs 1988); Same quality (Excellent)
    $482,979
  • 1546 Rustic Knolls Dr, Katy, TX 77450
    2,912 sqft | $167/sqft | built 1988 | Similar size (2,912 vs 2,879 sqft); Built same year (1988); Same quality (Excellent)
    $485,313
  • 1131 Barkston Dr, Katy, TX 77450
    2,922 sqft | $172/sqft | built 1988 | Similar size (2,922 vs 2,879 sqft); Built same year (1988); Same quality (Excellent)
    $502,921

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.

  • 23027 Red River Dr, Katy, TX 77450
    August-31-2026 | 3,005 sqft | $133/sqft | built 1989 | Similar size (3,005 sqft); Similar age (1989); Sold after the valuation date
    $400,000
  • 310 Gatemere Ct, Katy, TX 77450
    August-7-2026 | 2,779 sqft | $140/sqft | built 1993 | Similar size (2,779 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $388,500
  • 703 Cranfield Ct, Katy, TX 77450
    September-21-2026 | 2,658 sqft | $173/sqft | built 1979 | 8% size difference (2,658 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $460,000
  • 20911 Park Brush Cir, Katy, TX 77450
    September-17-2026 | 2,890 sqft | $119/sqft | built 1977 | Similar size (2,890 sqft); Sold after the valuation date
    $345,000
  • 1402 Sherfield Ridge Dr, Katy, TX 77450
    July-31-2026 | 2,836 sqft | $153/sqft | built 1982 | Similar size (2,836 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $435,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.