Harris Value

10825 Mahaffey Rd, Tomball, TX 77375

4,460 sqft, built 1997 Appraised at $854,345 for 2026.

Harris County account 0410260000264

Appraised value
$854,345
Tax year 2026 · after any cap, before exemptions
Living area
4,460 sqft
$192 per sqft
Year built
1997
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 77375 and HCAD Appraisal Area 2745.00 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 3.6% from $824,800 in 2025 to $854,345 in 2026.
  • Appraised value per square footThe current public record shows about $192 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77375.
  • Neighborhood value signalAmong 323 residential records in the same neighborhood, the average appraised value is about $214 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +7.1% on average.

Comparable assessments

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

  • 7217 Root Rd, Spring, TX 77389
    3,866 sqft | $190/sqft | built 2001 | 13% smaller (3,866 vs 4,460 sqft); Similar age (2001 vs 1997); Similar lot size (101,882 vs 99,317 sqft)
    $735,220
  • 19324 Doerre Rd, Spring, TX 77379
    3,860 sqft | $115/sqft | built 2000 | 14% smaller (3,860 vs 4,460 sqft); Similar age (2000 vs 1997); Lot 12% smaller (87,120 vs 99,317 sqft)
    $445,357
  • 19423 Doerre Rd, Spring, TX 77379
    4,538 sqft | $187/sqft | built 2001 | Similar size (4,538 vs 4,460 sqft); Similar age (2001 vs 1997); Same quality (Good)
    $850,025
  • 22310 Gosling Rd, Spring, TX 77389
    3,627 sqft | $249/sqft | built 2005 | Similar lot size (108,007 vs 99,317 sqft); Same quality (Good); Same neighborhood
    $902,493
  • 23107 Seber Ln, Tomball, TX 77375
    3,381 sqft | $145/sqft | built 1992 | Similar age (1992 vs 1997); Lot 12% smaller (87,120 vs 99,317 sqft); Same quality (Good)
    $491,296

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.

  • 19 Brittany Rose Pl, Tomball, TX 77375
    September-30-2026 | 4,379 sqft | $228/sqft | built 2014 | Similar size (4,379 sqft); Sold after the valuation date
    $999,000
  • 25 Red Moon Pl, Tomball, TX 77375
    July-27-2026 | 4,186 sqft | $196/sqft | built 2013 | 6% size difference (4,186 sqft); Sold after the valuation date
    $819,000
  • 22634 Miramar Crest Dr, Tomball, TX 77375
    July-24-2026 | 4,878 sqft | $92/sqft | built 2003 | 9% size difference (4,878 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $450,000
  • 9039 Charncross Ln, Tomball, TX 77375
    July-31-2026 | 4,109 sqft | $134/sqft | built 2015 | 8% size difference (4,109 sqft); Sold after the valuation date
    $549,999
  • 21623 Country Club Green Dr, Tomball, TX 77375
    May-22-2026 | 4,777 sqft | $115/sqft | built 2005 | 7% size difference (4,777 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $550,000

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.