Harris Value

18903 Aquatic Dr, Humble, TX 77346

3,444 sqft, built 2009, in Walden On Lake Houston Appraised at $898,409 for 2026.

Harris County account 1159850290060

Appraised value
$898,409
Tax year 2026 · after any cap, before exemptions
Living area
3,444 sqft
$261 per sqft
Year built
2009
Good 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 77346, Walden On Lake Houston, and Kingwood 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 7.4% from $836,176 in 2025 to $898,409 in 2026.
  • Appraised value per square footThe current public record shows about $261 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Walden On Lake Houston neighborhood and ZIP 77346.
  • Neighborhood value signalAmong 30 residential records in the same neighborhood, the average appraised value is about $237 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +8.2% on average.

Comparable assessments

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

  • 19011 Aquatic Dr, Humble, TX 77346
    3,318 sqft | $207/sqft | built 2001 | Similar size (3,318 vs 3,444 sqft); Similar lot size (9,746 vs 9,600 sqft); Same quality (Good)
    $688,211
  • 18907 Aquatic Dr, Humble, TX 77346
    3,588 sqft | $232/sqft | built 2007 | Similar size (3,588 vs 3,444 sqft); Similar age (2007 vs 2009); Similar lot size (9,600 vs 9,600 sqft)
    $832,885
  • 19319 Aquatic Dr, Humble, TX 77346
    3,447 sqft | $243/sqft | built 2002 | Similar size (3,447 vs 3,444 sqft); Similar lot size (9,410 vs 9,600 sqft); Same quality (Good)
    $836,339
  • 19019 Aquatic Dr, Humble, TX 77346
    3,728 sqft | $199/sqft | built 2003 | 8% larger (3,728 vs 3,444 sqft); Lot 10% smaller (8,626 vs 9,600 sqft); Same quality (Good)
    $741,159
  • 19131 Aquatic Dr, Humble, TX 77346
    3,322 sqft | $251/sqft | built 2004 | Similar size (3,322 vs 3,444 sqft); Similar age (2004 vs 2009); Similar lot size (10,200 vs 9,600 sqft)
    $833,235

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.

  • 12318 Denali Ln, Humble, TX 77346
    September-10-2026 | 3,636 sqft | $118/sqft | built 2008 | 6% size difference (3,636 sqft); Similar age (2008); Sold after the valuation date
    $427,900
  • 18619 Agile Pines Dr, Humble, TX 77346
    September-23-2026 | 3,369 sqft | $115/sqft | built 2002 | Similar size (3,369 sqft); Moderate age difference (7 years older); Sold after the valuation date
    $389,000
  • 12523 Cedar Key Trl, Humble, TX 77346
    June-30-2026 | 3,469 sqft | $168/sqft | built 2007 | Similar size (3,469 sqft); Similar age (2007); Sold after the valuation date
    $582,792
  • 8618 Silver Lure Dr, Humble, TX 77346
    June-29-2026 | 3,320 sqft | $108/sqft | built 2005 | Similar size (3,320 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $360,000
  • 17519 Pebble Farms Ct, Humble, TX 77346
    August-31-2026 | 3,696 sqft | $138/sqft | built 2014 | 7% size difference (3,696 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $510,000

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.