Harris Value

18342 Westlock St, Tomball, TX 77377

1,307 sqft, built 2000, in Westbourne Appraised at $275,206 for 2026.

Harris County account 1204920020011

Appraised value
$275,206
Tax year 2026 · after any cap, before exemptions
Living area
1,307 sqft
$211 per sqft
Year built
2000
Average 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 77377 and Westbourne 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 14.7% from $240,000 in 2025 to $275,206 in 2026.
  • Appraised value per square footThe current public record shows about $211 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Westbourne neighborhood and ZIP 77377.
  • Neighborhood value signalAmong 767 residential records in the same neighborhood, the average appraised value is about $175 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +4.7% on average.

Comparable assessments

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

  • 18319 Westlock St, Tomball, TX 77377
    1,307 sqft | $202/sqft | built 2000 | Similar size (1,307 vs 1,307 sqft); Built same year (2000); Similar lot size (4,400 vs 4,400 sqft)
    $264,346
  • 18310 Westlock St, Tomball, TX 77377
    1,307 sqft | $205/sqft | built 2000 | Similar size (1,307 vs 1,307 sqft); Built same year (2000); Similar lot size (4,400 vs 4,400 sqft)
    $267,824
  • 12123 Bowsman Dr, Tomball, TX 77377
    1,300 sqft | $195/sqft | built 2000 | Similar size (1,300 vs 1,307 sqft); Built same year (2000); Similar lot size (4,425 vs 4,400 sqft)
    $253,497
  • 18339 Westlock St, Tomball, TX 77377
    1,320 sqft | $201/sqft | built 1999 | Similar size (1,320 vs 1,307 sqft); Similar age (1999 vs 2000); Similar lot size (4,400 vs 4,400 sqft)
    $264,821
  • 18358 Westlock St, Tomball, TX 77377
    1,321 sqft | $177/sqft | built 1999 | Similar size (1,321 vs 1,307 sqft); Similar age (1999 vs 2000); Similar lot size (4,400 vs 4,400 sqft)
    $234,360

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.

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.