Harris Value

521 Carrell St, Tomball, TX 77375

1,540 sqft, built 1979 Appraised at $345,400 for 2026.

Harris County account 0352760840047

Appraised value
$345,400
Tax year 2026 · after any cap, before exemptions
Market value
$374,168
Living area
1,540 sqft
$224 per sqft
Year built
1979
Average 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 77375 and HCAD Appraisal Area 2593.06 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 $314,000 in 2025 to $345,400 in 2026.
  • Appraised value per square footThe current public record shows about $224 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $28,768 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77375.
  • Neighborhood value signalAmong 480 residential records in the same neighborhood, the average appraised value is about $196 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +0.5% on average.

Comparable assessments

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

  • 407 Tyler St, Tomball, TX 77375
    1,566 sqft | $206/sqft | built 1982 | Similar size (1,566 vs 1,540 sqft); Similar age (1982 vs 1979); Similar lot size (10,000 vs 10,500 sqft)
    $322,335
  • 407 Moore St, Tomball, TX 77375
    1,496 sqft | $183/sqft | built 1975 | Similar size (1,496 vs 1,540 sqft); Similar age (1975 vs 1979); Similar lot size (10,500 vs 10,500 sqft)
    $274,376
  • 413 Carrell St, Tomball, TX 77375
    1,572 sqft | $160/sqft | built 1967 | Similar size (1,572 vs 1,540 sqft); Similar lot size (10,500 vs 10,500 sqft); Same quality (Average)
    $250,735
  • 622 Texas St, Tomball, TX 77375
    1,718 sqft | $225/sqft | built 1981 | 12% larger (1,718 vs 1,540 sqft); Similar age (1981 vs 1979); Similar lot size (10,359 vs 10,500 sqft)
    $386,302
  • 200 Tyler St, Tomball, TX 77375
    1,558 sqft | $209/sqft | built 1965 | Similar size (1,558 vs 1,540 sqft); Similar lot size (10,000 vs 10,500 sqft); Same quality (Average)
    $325,181

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.

  • 31114 Antonia Ln, Tomball, TX 77375
    June-17-2026 | 1,532 sqft | $160/sqft | built 1981 | Similar size (1,532 sqft); Similar age (1981); Sold after the valuation date
    $245,000
  • 512 Texas St, Tomball, TX 77375
    September-11-2026 | 1,399 sqft | $186/sqft | built 1979 | 9% size difference (1,399 sqft); Similar age (1979); Sold after the valuation date
    $260,000
  • 23034 Spring Willow Dr, Tomball, TX 77375
    July-31-2026 | 1,613 sqft | $161/sqft | built 1978 | Similar size (1,613 sqft); Similar age (1978); Sold after the valuation date
    $259,000
  • 22630 River Birch Dr, Tomball, TX 77375
    August-6-2026 | 1,712 sqft | $117/sqft | built 1979 | 11% size difference (1,712 sqft); Similar age (1979); Sold after the valuation date
    $199,900
  • 22326 Mosswillow Ln, Tomball, TX 77375
    July-17-2026 | 1,599 sqft | $147/sqft | built 1984 | Similar size (1,599 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $235,000

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.