Harris Value

20703 Flagmore Ct, Katy, TX 77450

3,219 sqft, built 1983, in Nottingham Country Appraised at $451,749 for 2026.

Harris County account 1144550030012

Appraised value
$451,749
Tax year 2026 · after any cap, before exemptions
Market value
$536,525
Living area
3,219 sqft
$140 per sqft
Year built
1983
Good 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 $410,681 in 2025 to $451,749 in 2026.
  • Appraised value per square footThe current public record shows about $140 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $84,776 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.

  • 1155 Flagmore Dr, Katy, TX 77450
    3,262 sqft | $162/sqft | built 1983 | Similar size (3,262 vs 3,219 sqft); Built same year (1983); Similar lot size (8,050 vs 8,050 sqft)
    $528,896
  • 1586 Hoveden Dr, Katy, TX 77450
    3,296 sqft | $154/sqft | built 1985 | Similar size (3,296 vs 3,219 sqft); Similar age (1985 vs 1983); Similar lot size (7,910 vs 8,050 sqft)
    $506,890
  • 1530 Rustic Knolls Dr, Katy, TX 77450
    3,206 sqft | $163/sqft | built 1982 | Similar size (3,206 vs 3,219 sqft); Similar age (1982 vs 1983); Similar lot size (7,521 vs 8,050 sqft)
    $521,220
  • 1115 Flagmore Dr, Katy, TX 77450
    3,210 sqft | $155/sqft | built 1984 | Similar size (3,210 vs 3,219 sqft); Similar age (1984 vs 1983); Similar lot size (8,351 vs 8,050 sqft)
    $497,261
  • 1527 Hannington Dr, Katy, TX 77450
    3,179 sqft | $158/sqft | built 1983 | Similar size (3,179 vs 3,219 sqft); Built same year (1983); Similar lot size (7,910 vs 8,050 sqft)
    $500,743

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.

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.