Harris Value

20 Dunnam Ln, Houston, TX 77024

6,387 sqft, built 1997, in Westside Appraised at $3,652,142 for 2026.

Harris County account 1180590000020

Appraised value
$3,652,142
Tax year 2026 · after any cap, before exemptions
Living area
6,387 sqft
$572 per sqft
Year built
1997

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 77024, Westside, and Memorial 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 6.1% from $3,443,601 in 2025 to $3,652,142 in 2026.
  • Appraised value per square footThe current public record shows about $572 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Westside neighborhood and ZIP 77024.
  • Neighborhood value signalAmong 869 residential records in the same neighborhood, the average appraised value is about $490 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +12.6% on average.

Comparable assessments

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

  • 30 Williamsburg Ln, Houston, TX 77024
    6,348 sqft | $428/sqft | built 1999 | Similar size (6,348 vs 6,387 sqft); Similar age (1999 vs 1997); Similar lot size (20,270 vs 20,000 sqft)
    $2,716,809
  • 17 Dunnam Ln, Houston, TX 77024
    6,248 sqft | $467/sqft | built 1996 | Similar size (6,248 vs 6,387 sqft); Similar age (1996 vs 1997); Similar lot size (20,001 vs 20,000 sqft)
    $2,919,645
  • 8 Powderhorn St, Houston, TX 77024
    6,235 sqft | $421/sqft | built 2001 | Similar size (6,235 vs 6,387 sqft); Similar age (2001 vs 1997); Similar lot size (20,000 vs 20,000 sqft)
    $2,627,288
  • 11603 Barazi Oaks Ct, Houston, TX 77024
    6,499 sqft | $487/sqft | built 2000 | Similar size (6,499 vs 6,387 sqft); Similar age (2000 vs 1997); Similar lot size (20,480 vs 20,000 sqft)
    $3,164,370
  • 12 Powderhorn St, Houston, TX 77024
    6,416 sqft | $509/sqft | built 2000 | Similar size (6,416 vs 6,387 sqft); Similar age (2000 vs 1997); Similar lot size (21,025 vs 20,000 sqft)
    $3,267,000

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.

  • 11935 Broken Bough Dr, Houston, TX 77024
    September-30-2026 | 5,931 sqft | $539/sqft | built 2003 | 7% size difference (5,931 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $3,195,000
  • 21 Carolane Trl, Houston, TX 77024
    September-1-2026 | 6,240 sqft | $601/sqft | built 2012 | Similar size (6,240 sqft); Sold after the valuation date
    $3,750,000
  • 634 Knipp Rd, Houston, TX 77024
    August-7-2026 | 6,646 sqft | $550/sqft | built 2014 | Similar size (6,646 sqft); Sold after the valuation date
    $3,655,000
  • 11909 Knippwood Ln, Houston, TX 77024
    June-29-2026 | 6,626 sqft | $517/sqft | built 2004 | Similar size (6,626 sqft); Moderate age difference (7 years newer); Sold after the valuation date
    $3,425,000
  • 5 Long Timbers Trl, Houston, TX 77024
    July-14-2026 | 6,785 sqft | $501/sqft | built 1993 | 6% size difference (6,785 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $3,399,000

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.