Harris Value

18702 Quail Ln, Tomball, TX 77377

3,296 sqft, built 1990, in Rosewood Hill Appraised at $849,687 for 2026.

Harris County account 1146250000053

Appraised value
$849,687
Tax year 2026 · after any cap, before exemptions
Market value
$854,112
Living area
3,296 sqft
$258 per sqft
Year built
1990
Good quality
Homestead
Yes
Owner-occupied exemption on file

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 Rosewood Hill 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 10.0% from $772,443 in 2025 to $849,687 in 2026.
  • Appraised value per square footThe current public record shows about $258 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $4,425 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Rosewood Hill neighborhood and ZIP 77377.
  • Neighborhood value signalAmong 287 residential records in the same neighborhood, the average appraised value is about $203 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +10.0% on average.

Comparable assessments

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

  • 18803 Heron Ln, Tomball, TX 77377
    3,301 sqft | $180/sqft | built 1981 | Similar size (3,301 vs 3,296 sqft); Similar lot size (51,793 vs 52,538 sqft); Same quality (Good)
    $592,868
  • 18910 Live Oak Trl, Tomball, TX 77377
    3,554 sqft | $182/sqft | built 1990 | 8% larger (3,554 vs 3,296 sqft); Built same year (1990); Similar lot size (50,852 vs 52,538 sqft)
    $645,255
  • 18902 Wildrose Ln, Tomball, TX 77377
    3,587 sqft | $166/sqft | built 1991 | 9% larger (3,587 vs 3,296 sqft); Similar age (1991 vs 1990); Similar lot size (50,338 vs 52,538 sqft)
    $595,514
  • 18907 Pheasant Ln, Tomball, TX 77377
    2,895 sqft | $189/sqft | built 1991 | 12% smaller (2,895 vs 3,296 sqft); Similar age (1991 vs 1990); Similar lot size (53,465 vs 52,538 sqft)
    $546,538
  • 22607 Bobolink Cir, Tomball, TX 77377
    3,363 sqft | $185/sqft | built 1988 | Similar size (3,363 vs 3,296 sqft); Similar age (1988 vs 1990); Lot 17% smaller (43,560 vs 52,538 sqft)
    $620,908

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.

  • 17407 Longs Peek Ct, Tomball, TX 77377
    July-17-2026 | 3,391 sqft | $140/sqft | built 2000 | Similar size (3,391 sqft); Moderate age difference (10 years newer); Sold after the valuation date
    $475,000
  • 12103 Auburn Hills Dr, Tomball, TX 77377
    July-2-2026 | 3,291 sqft | $156/sqft | built 1989 | Similar size (3,291 sqft); Similar age (1989); Sold after the valuation date
    $515,000
  • 12802 Mossy Ledge Dr, Tomball, TX 77377
    September-25-2026 | 3,239 sqft | $147/sqft | built 2003 | Similar size (3,239 sqft); Sold after the valuation date
    $475,000
  • 11507 Canyon Woods Dr, Tomball, TX 77377
    July-31-2026 | 3,367 sqft | $134/sqft | built 1998 | Similar size (3,367 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $450,000
  • 15327 Gettysburg Dr, Tomball, TX 77377
    July-31-2026 | 3,208 sqft | $156/sqft | built 1983 | Similar size (3,208 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $499,000

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.