Harris Value

618 Ellingham Dr, Katy, TX 77450

3,895 sqft, built 1979, in Nottingham Country Appraised at $530,093 for 2026.

Harris County account 1102860000019

Appraised value
$530,093
Tax year 2026 · after any cap, before exemptions
Living area
3,895 sqft
$136 per sqft
Year built
1979
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 8.0% from $575,967 in 2025 to $530,093 in 2026.
  • Appraised value per square footThe current public record shows about $136 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 209 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 -2.8% on average.

Comparable assessments

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

  • 623 Windsor Glen Dr, Katy, TX 77450
    3,909 sqft | $113/sqft | built 1979 | Similar size (3,909 vs 3,895 sqft); Built same year (1979); Similar lot size (9,000 vs 8,510 sqft)
    $439,831
  • 615 Abbotswood Ct, Katy, TX 77450
    4,129 sqft | $115/sqft | built 1979 | 6% larger (4,129 vs 3,895 sqft); Built same year (1979); Similar lot size (8,510 vs 8,510 sqft)
    $474,374
  • 20627 Cranfield Dr, Katy, TX 77450
    4,031 sqft | $125/sqft | built 1981 | Similar size (4,031 vs 3,895 sqft); Similar age (1981 vs 1979); Similar lot size (9,000 vs 8,510 sqft)
    $504,684
  • 511 Whitehurst Ct, Katy, TX 77450
    3,408 sqft | $138/sqft | built 1981 | 12% smaller (3,408 vs 3,895 sqft); Similar age (1981 vs 1979); Similar lot size (8,625 vs 8,510 sqft)
    $471,967
  • 20615 Laverton Dr, Katy, TX 77450
    3,631 sqft | $119/sqft | built 1982 | 7% smaller (3,631 vs 3,895 sqft); Similar age (1982 vs 1979); Similar lot size (8,510 vs 8,510 sqft)
    $432,724

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: . Matches consider available size, age, location and property characteristics. How comparisons work.