Harris Value

4602 Santa Sienna Dr, Katy, TX 77493

2,713 sqft, built 2017 Appraised at $433,411 for 2026.

Harris County account 1387070020029

Appraised value
$433,411
Tax year 2026 · after any cap, before exemptions
Living area
2,713 sqft
$160 per sqft
Year built
2017
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 77493, HCAD Appraisal Area 2945.09, 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 4.4% from $415,000 in 2025 to $433,411 in 2026.
  • Appraised value per square footThe current public record shows about $160 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77493.
  • Neighborhood value signalAmong 208 residential records in the same neighborhood, the average appraised value is about $148 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +0.7% on average.

Comparable assessments

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

  • 23507 Mantova River Dr, Katy, TX 77493
    2,744 sqft | $152/sqft | built 2018 | Similar size (2,744 vs 2,713 sqft); Similar age (2018 vs 2017); Similar lot size (13,288 vs 12,718 sqft)
    $417,911
  • 23635 Grappa Dr, Katy, TX 77493
    2,790 sqft | $138/sqft | built 2016 | Similar size (2,790 vs 2,713 sqft); Similar age (2016 vs 2017); Similar lot size (13,344 vs 12,718 sqft)
    $385,279
  • 4302 Treccia Ct, Katy, TX 77493
    2,738 sqft | $144/sqft | built 2017 | Similar size (2,738 vs 2,713 sqft); Built same year (2017); Lot 11% smaller (11,274 vs 12,718 sqft)
    $394,665
  • 23626 Messina Harbor Dr, Katy, TX 77493
    2,740 sqft | $153/sqft | built 2018 | Similar size (2,740 vs 2,713 sqft); Similar age (2018 vs 2017); Lot 14% smaller (10,980 vs 12,718 sqft)
    $418,262
  • 4831 Tuscany Farm Dr, Katy, TX 77493
    2,696 sqft | $147/sqft | built 2018 | Similar size (2,696 vs 2,713 sqft); Similar age (2018 vs 2017); Lot 16% smaller (10,683 vs 12,718 sqft)
    $396,333

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.

  • 5719 Chipstone Trail Ln, Katy, TX 77493
    August-3-2026 | 2,771 sqft | $166/sqft | built 2019 | Similar size (2,771 sqft); Similar age (2019); Sold after the valuation date
    $459,900
  • 6002 Rivercane Way, Katy, TX 77493
    September-10-2026 | 2,600 sqft | $123/sqft | built 2019 | Similar size (2,600 sqft); Similar age (2019); Sold after the valuation date
    $320,000
  • 23522 Bracino Lake Dr, Katy, TX 77493
    August-3-2026 | 2,562 sqft | $156/sqft | built 2017 | 6% size difference (2,562 sqft); Similar age (2017); Sold after the valuation date
    $399,000
  • 23726 Daintree Pl, Katy, TX 77493
    August-10-2026 | 2,922 sqft | $154/sqft | built 2017 | 8% size difference (2,922 sqft); Similar age (2017); Sold after the valuation date
    $449,900
  • 4002 Trento Ct, Katy, TX 77493
    June-4-2026 | 2,655 sqft | $147/sqft | built 2015 | Similar size (2,655 sqft); Similar age (2015); Sold after the valuation date
    $389,900

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.