Harris Value

18206 Westlock St, Tomball, TX 77377

1,309 sqft, built 1995, in Westbourne Appraised at $257,193 for 2026.

Harris County account 1143950160015

Appraised value
$257,193
Tax year 2026 · after any cap, before exemptions
Living area
1,309 sqft
$196 per sqft
Year built
1995
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 3.1% from $249,541 in 2025 to $257,193 in 2026.
  • Appraised value per square footThe current public record shows about $196 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.

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.

  • 18135 Eganville Cir, Tomball, TX 77377
    August-31-2026 | 1,301 sqft | $169/sqft | built 1997 | Similar size (1,301 sqft); Similar age (1997); Sold after the valuation date
    $220,000
  • 18231 Campbellford Dr, Tomball, TX 77377
    August-5-2026 | 1,260 sqft | $175/sqft | built 2000 | Similar size (1,260 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $220,000
  • 12218 Innisfall Cir, Tomball, TX 77377
    June-23-2026 | 1,346 sqft | $175/sqft | built 1996 | Similar size (1,346 sqft); Similar age (1996); Sold after the valuation date
    $235,000
  • 12235 Innisfall Cir, Tomball, TX 77377
    September-30-2026 | 1,536 sqft | $161/sqft | built 1995 | Similar age (1995); Sold after the valuation date
    $247,500
  • 12235 Westlock Dr, Tomball, TX 77377
    June-26-2026 | 1,362 sqft | $165/sqft | built 1984 | Similar size (1,362 sqft); Sold after the valuation date
    $224,900

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.