Harris Value

21515 Borah Peak Way, Katy, TX 77449

2,455 sqft, built 2007 Appraised at $293,360 for 2026.

Harris County account 1259740030021

Appraised value
$293,360
Tax year 2026 · after any cap, before exemptions
Living area
2,455 sqft
$119 per sqft
Year built
2007
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 2847.05, 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 11.5% from $331,337 in 2025 to $293,360 in 2026.
  • Appraised value per square footThe current public record shows about $119 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 287 residential records in the same neighborhood, the average appraised value is about $131 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -8.6% on average.

Comparable assessments

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

  • 4006 Mt Whitney Way, Katy, TX 77449
    2,435 sqft | $119/sqft | built 2010 | Similar size (2,435 vs 2,455 sqft); Similar age (2010 vs 2007); Similar lot size (6,511 vs 6,574 sqft)
    $290,674
  • 4334 Mt Davis Way, Katy, TX 77449
    2,412 sqft | $123/sqft | built 2007 | Similar size (2,412 vs 2,455 sqft); Built same year (2007); Similar lot size (6,416 vs 6,574 sqft)
    $297,171
  • 4306 Mt Davis Way, Katy, TX 77449
    2,465 sqft | $117/sqft | built 2006 | Similar size (2,465 vs 2,455 sqft); Similar age (2006 vs 2007); Similar lot size (6,953 vs 6,574 sqft)
    $289,184
  • 21510 Borah Peak Way, Katy, TX 77449
    2,474 sqft | $121/sqft | built 2006 | Similar size (2,474 vs 2,455 sqft); Similar age (2006 vs 2007); Similar lot size (6,953 vs 6,574 sqft)
    $299,503
  • 21702 Britton Hill Way, Katy, TX 77449
    2,465 sqft | $118/sqft | built 2006 | Similar size (2,465 vs 2,455 sqft); Similar age (2006 vs 2007); Similar lot size (6,143 vs 6,574 sqft)
    $291,854

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.

  • 19806 Millstone Ridge Ln, Katy, TX 77449
    September-29-2026 | 2,433 sqft | $115/sqft | built 2005 | Similar size (2,433 sqft); Similar age (2005); Sold after the valuation date
    $279,000
  • 20930 Barbons Heath Ct, Katy, TX 77449
    August-28-2026 | 2,429 sqft | $113/sqft | built 2006 | Similar size (2,429 sqft); Similar age (2006); Sold after the valuation date
    $274,900
  • 20511 Barker Bend Ct, Katy, TX 77449
    September-21-2026 | 2,490 sqft | $112/sqft | built 2003 | Similar size (2,490 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $280,000
  • 3902 Flatwood Dr, Katy, TX 77449
    September-25-2026 | 2,464 sqft | $134/sqft | built 2001 | Similar size (2,464 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $330,000
  • 5106 Opal Sky Dr, Katy, TX 77449
    September-24-2026 | 2,322 sqft | $125/sqft | built 2004 | 5% size difference (2,322 sqft); Similar age (2004); Sold after the valuation date
    $290,000

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.