Harris Value

21427 Rose Loch Ln, Tomball, TX 77377

3,010 sqft, built 2019 Appraised at $489,810 for 2026.

Harris County account 1379510020001

Appraised value
$489,810
Tax year 2026 · after any cap, before exemptions
Living area
3,010 sqft
$163 per sqft
Year built
2019
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 77377 and HCAD Appraisal Area 2548.11 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 4.1% from $510,755 in 2025 to $489,810 in 2026.
  • Appraised value per square footThe current public record shows about $163 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77377.
  • Neighborhood value signalAmong 202 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 -0.8% on average.

Comparable assessments

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

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.

  • 21418 Chestnut Rose Rd, Tomball, TX 77377
    June-30-2026 | 3,011 sqft | $179/sqft | built 2021 | Similar size (3,011 sqft); Similar age (2021); Sold after the valuation date
    $540,000
  • 13202 Edison Trace Ln, Tomball, TX 77377
    September-28-2026 | 2,892 sqft | $190/sqft | built 2013 | Similar size (2,892 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $550,000
  • 18219 Florence Run Ln, Tomball, TX 77377
    August-27-2026 | 3,034 sqft | $219/sqft | built 2014 | Similar size (3,034 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $665,000
  • 20206 Mahogany Bay Ln, Tomball, TX 77377
    July-30-2026 | 3,233 sqft | $179/sqft | built 2020 | 7% size difference (3,233 sqft); Similar age (2020); Sold after the valuation date
    $579,900
  • 13315 Edison Trace Ln, Tomball, TX 77377
    September-3-2026 | 3,272 sqft | $122/sqft | built 2014 | 9% size difference (3,272 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $400,000

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.