Harris Value

20410 Knolls Spring Trl, Katy, TX 77450

2,987 sqft, built 1999, in Highland Trails Appraised at $424,509 for 2026.

Harris County account 1187190010003

Appraised value
$424,509
Tax year 2026 · after any cap, before exemptions
Living area
2,987 sqft
$142 per sqft
Year built
1999
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, Highland Trails, 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 2.3% from $415,000 in 2025 to $424,509 in 2026.
  • Appraised value per square footThe current public record shows about $142 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Highland Trails neighborhood and ZIP 77450.
  • Neighborhood value signalAmong 212 residential records in the same neighborhood, the average appraised value is about $153 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +3.0% on average.

Comparable assessments

Comparisons are waiting to be prepared.

Recent comparable sales

Comparisons are waiting to be prepared.

Public appraisal comparison for 2026. Appraisal source: Harris County Appraisal District. Matches consider available size, age, location and property characteristics. How comparisons work.