Harris Value

9318 Castlehead Dr, Tomball, TX 77375

2,558 sqft, built 2006, in Inverness Estates Appraised at $353,276 for 2026.

Harris County account 1260700030011

Appraised value
$353,276
Tax year 2026 · after any cap, before exemptions
Living area
2,558 sqft
$138 per sqft
Year built
2006
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 Inverness Estates 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 3.0% from $343,086 in 2025 to $353,276 in 2026.
  • Appraised value per square footThe current public record shows about $138 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Inverness Estates neighborhood and ZIP 77375.
  • Neighborhood value signalAmong 342 residential records in the same neighborhood, the average appraised value is about $139 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +4.2% on average.

Comparable assessments

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

  • 22518 Grassnook Dr, Tomball, TX 77375
    2,557 sqft | $146/sqft | built 2007 | Similar size (2,557 vs 2,558 sqft); Similar age (2007 vs 2006); Similar lot size (8,575 vs 8,561 sqft)
    $374,332
  • 22414 Grassnook Dr, Tomball, TX 77375
    2,563 sqft | $147/sqft | built 2007 | Similar size (2,563 vs 2,558 sqft); Similar age (2007 vs 2006); Similar lot size (8,375 vs 8,561 sqft)
    $377,927
  • 22506 Grassnook Dr, Tomball, TX 77375
    2,603 sqft | $145/sqft | built 2008 | Similar size (2,603 vs 2,558 sqft); Similar age (2008 vs 2006); Similar lot size (8,375 vs 8,561 sqft)
    $377,772
  • 9218 Barnsford Ln, Tomball, TX 77375
    2,632 sqft | $147/sqft | built 2006 | Similar size (2,632 vs 2,558 sqft); Built same year (2006); Similar lot size (8,375 vs 8,561 sqft)
    $387,008
  • 22511 Wenbury Dr, Tomball, TX 77375
    2,603 sqft | $142/sqft | built 2009 | Similar size (2,603 vs 2,558 sqft); Similar age (2009 vs 2006); Similar lot size (8,383 vs 8,561 sqft)
    $369,658

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.

  • 22926 Cinder Creek Ct, Tomball, TX 77375
    September-14-2026 | 2,440 sqft | $176/sqft | built 2004 | Similar size (2,440 sqft); Similar age (2004); Sold after the valuation date
    $429,000
  • 15 S Lochwood Way, Tomball, TX 77375
    September-14-2026 | 2,614 sqft | $245/sqft | built 2016 | Similar size (2,614 sqft); Moderate age difference (10 years newer); Sold after the valuation date
    $640,000
  • 31330 Capella Cir, Tomball, TX 77375
    August-27-2026 | 2,548 sqft | $145/sqft | built 1996 | Similar size (2,548 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $369,900
  • 11123 Maidenfair Dr, Tomball, TX 77375
    September-16-2026 | 2,736 sqft | $150/sqft | built 2007 | 7% size difference (2,736 sqft); Similar age (2007); Sold after the valuation date
    $410,000
  • 11307 Misty Willow Ln, Tomball, TX 77375
    September-30-2026 | 2,343 sqft | $147/sqft | built 2012 | 8% size difference (2,343 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $345,000

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.