Harris Value

17511 Seidel Rd, Tomball, TX 77377

4,601 sqft, built 2000 Appraised at $930,721 for 2026.

Harris County account 0402200020007

Appraised value
$930,721
Tax year 2026 · after any cap, before exemptions
Market value
$951,508
Living area
4,601 sqft
$202 per sqft
Year built
2000
Excellent 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 HCAD Appraisal Area 2549.01 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 $846,110 in 2025 to $930,721 in 2026.
  • Appraised value per square footThe current public record shows about $202 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $20,787 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77377.
  • Neighborhood value signalAmong 29 residential records in the same neighborhood, the average appraised value is about $177 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +8.6% on average.

Comparable assessments

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

  • 17623 Lakecrest Ln, Tomball, TX 77377
    4,426 sqft | $167/sqft | built 1995 | Similar size (4,426 vs 4,601 sqft); Similar age (1995 vs 2000); Similar lot size (72,222 vs 69,652 sqft)
    $739,003
  • 17502 Seidel Rd, Tomball, TX 77377
    5,090 sqft | $164/sqft | built 1995 | 11% larger (5,090 vs 4,601 sqft); Similar age (1995 vs 2000); Similar lot size (72,353 vs 69,652 sqft)
    $836,213
  • 17518 Hawkin Ln, Tomball, TX 77377
    5,370 sqft | $171/sqft | built 1999 | Similar age (1999 vs 2000); Similar lot size (67,213 vs 69,652 sqft); Same quality (Excellent)
    $917,990
  • 17510 Hawkin Ln, Tomball, TX 77377
    5,065 sqft | $185/sqft | built 2004 | 10% larger (5,065 vs 4,601 sqft); Similar age (2004 vs 2000); Lot 13% smaller (60,853 vs 69,652 sqft)
    $935,363
  • 22202 Holly Lakes Dr, Tomball, TX 77377
    4,538 sqft | $204/sqft | built 1991 | Similar size (4,538 vs 4,601 sqft); Lot 11% smaller (61,898 vs 69,652 sqft); Same quality (Excellent)
    $927,557

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.

  • 16010 Ashvale Dr, Tomball, TX 77377
    September-9-2026 | 4,666 sqft | $142/sqft | built 2002 | Similar size (4,666 sqft); Similar age (2002); Sold after the valuation date
    $663,750
  • 11822 Rue Beaujon Ct, Tomball, TX 77377
    September-1-2026 | 4,166 sqft | $168/sqft | built 1999 | 10% size difference (4,166 sqft); Similar age (1999); Sold after the valuation date
    $699,999
  • 22914 Rosehollow Trl, Tomball, TX 77377
    August-25-2026 | 4,217 sqft | $172/sqft | built 1990 | 8% size difference (4,217 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $725,000
  • 14407 Spring Mountain Dr, Tomball, TX 77377
    September-10-2026 | 4,183 sqft | $179/sqft | built 2005 | 9% size difference (4,183 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $749,900
  • 15318 Hunters Bend Dr Dr, Tomball, TX 77377
    June-15-2026 | 4,576 sqft | $219/sqft | built 1999 | Similar size (4,576 sqft); Similar age (1999); Sold after the valuation date
    $1,000,000

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.

Recent sale history

Recent transfers help establish whether the county value is tracking real market behavior.

  • $1,149,000 sale recorded on July-9-2026