Harris Value

4510 Valley Rill Rd, Katy, TX 77449

3,990 sqft, built 2018 Appraised at $483,508 for 2026.

Harris County account 1376750060025

Appraised value
$483,508
Tax year 2026 · after any cap, before exemptions
Living area
3,990 sqft
$121 per sqft
Year built
2018
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 77449, HCAD Appraisal Area 12.20, 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 2.2% from $473,140 in 2025 to $483,508 in 2026.
  • Appraised value per square footThe current public record shows about $121 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77449.
  • Neighborhood value signalAmong 419 residential records in the same neighborhood, the average appraised value is about $138 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.

  • 4411 Buentello Dr, Katy, TX 77449
    4,046 sqft | $118/sqft | built 2020 | Similar size (4,046 vs 3,990 sqft); Similar age (2020 vs 2018); Similar lot size (6,593 vs 6,813 sqft)
    $476,605
  • 4410 Valley Rill Rd, Katy, TX 77449
    4,069 sqft | $113/sqft | built 2017 | Similar size (4,069 vs 3,990 sqft); Similar age (2017 vs 2018); Similar lot size (6,435 vs 6,813 sqft)
    $457,990
  • 4607 Valley Rill Rd, Katy, TX 77449
    4,043 sqft | $111/sqft | built 2018 | Similar size (4,043 vs 3,990 sqft); Built same year (2018); Similar lot size (6,290 vs 6,813 sqft)
    $449,021
  • 4614 Valley Rill Rd, Katy, TX 77449
    4,182 sqft | $120/sqft | built 2019 | Similar size (4,182 vs 3,990 sqft); Similar age (2019 vs 2018); Similar lot size (6,706 vs 6,813 sqft)
    $503,595
  • 4514 Valley Rill Rd, Katy, TX 77449
    4,141 sqft | $113/sqft | built 2017 | Similar size (4,141 vs 3,990 sqft); Similar age (2017 vs 2018); Similar lot size (6,585 vs 6,813 sqft)
    $466,233

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.