Harris Value

21210 Frosted Fern Ln, Katy, TX 77449

2,536 sqft, built 2021 Appraised at $337,745 for 2026.

Harris County account 1446720030005

Appraised value
$337,745
Tax year 2026 · after any cap, before exemptions
Living area
2,536 sqft
$133 per sqft
Year built
2021
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 2847.10, 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 4.8% from $354,913 in 2025 to $337,745 in 2026.
  • Appraised value per square footThe current public record shows about $133 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 1,042 residential records in the same neighborhood, the average appraised value is about $157 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -2.9% on average.

Comparable assessments

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

  • 21315 Riverdew Dr, Katy, TX 77449
    2,541 sqft | $139/sqft | built 2022 | Similar size (2,541 vs 2,536 sqft); Similar age (2022 vs 2021); Similar lot size (6,184 vs 6,186 sqft)
    $353,143
  • 5207 Becker Hills Ln, Katy, TX 77449
    2,552 sqft | $138/sqft | built 2021 | Similar size (2,552 vs 2,536 sqft); Built same year (2021); Similar lot size (6,251 vs 6,186 sqft)
    $352,650
  • 21310 Riverdew Dr, Katy, TX 77449
    2,505 sqft | $137/sqft | built 2022 | Similar size (2,505 vs 2,536 sqft); Similar age (2022 vs 2021); Similar lot size (6,154 vs 6,186 sqft)
    $344,235
  • 5218 Vincent Rose Ct, Katy, TX 77449
    2,522 sqft | $138/sqft | built 2021 | Similar size (2,522 vs 2,536 sqft); Built same year (2021); Similar lot size (6,018 vs 6,186 sqft)
    $347,352
  • 21323 Hendricks Hollow Ln, Katy, TX 77449
    2,561 sqft | $139/sqft | built 2021 | Similar size (2,561 vs 2,536 sqft); Built same year (2021); Similar lot size (6,310 vs 6,186 sqft)
    $355,915

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.

  • 5426 Louie Ln, Katy, TX 77449
    August-26-2026 | 2,487 sqft | $125/sqft | built 2017 | Similar size (2,487 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $310,000
  • 21023 Belmont Village Way, Katy, TX 77449
    August-28-2026 | 2,650 sqft | $123/sqft | built 2021 | Similar size (2,650 sqft); Similar age (2021); Sold after the valuation date
    $325,000
  • 22710 Norcrest Hills Dr, Katy, TX 77449
    July-6-2026 | 2,507 sqft | $152/sqft | built 2025 | Similar size (2,507 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $380,990
  • 21538 Violet Ridge Rd, Katy, TX 77449
    July-31-2026 | 2,531 sqft | $113/sqft | built 2021 | Similar size (2,531 sqft); Similar age (2021); Sold after the valuation date
    $285,000
  • 21315 Slate Crossing Ln, Katy, TX 77449
    September-17-2026 | 2,520 sqft | $119/sqft | built 2012 | Similar size (2,520 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $299,000

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.