Harris Value

20018 Plaza 290 Blvd, Tomball, TX 77377

2,037 sqft, built 2010 Appraised at $495,532 for 2026.

Harris County account 1163490010002

Appraised value
$495,532
Tax year 2026 · after any cap, before exemptions
Market value
$545,231
Living area
2,037 sqft
$243 per sqft
Year built
2010
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 77377 and HCAD Appraisal Area 2609.02 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 $450,484 in 2025 to $495,532 in 2026.
  • Appraised value per square footThe current public record shows about $243 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $49,699 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77377.
  • Neighborhood value signalAmong 74 residential records in the same neighborhood, the average appraised value is about $214 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +11.1% on average.

Comparable assessments

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

  • 19708 Kelly Ln, Tomball, TX 77377
    1,967 sqft | $171/sqft | built 2004 | Similar size (1,967 vs 2,037 sqft); Similar lot size (45,302 vs 41,439 sqft); Same quality (Average)
    $336,480
  • 21221 Di Mambro Ln, Tomball, TX 77377
    2,005 sqft | $228/sqft | built 2016 | Similar size (2,005 vs 2,037 sqft); Same quality (Average); Same neighborhood
    $456,706
  • 19910 Kelly Ln, Tomball, TX 77377
    2,316 sqft | $175/sqft | built 2001 | 14% larger (2,316 vs 2,037 sqft); Similar lot size (43,560 vs 41,439 sqft); Same quality (Average)
    $406,000
  • 21303 W Kelly Ln, Tomball, TX 77377
    2,320 sqft | $188/sqft | built 2001 | 14% larger (2,320 vs 2,037 sqft); Similar lot size (43,560 vs 41,439 sqft); Same quality (Average)
    $437,231
  • 19711 Kelly Ln, Tomball, TX 77377
    1,584 sqft | $191/sqft | built 2007 | Similar age (2007 vs 2010); Similar lot size (43,560 vs 41,439 sqft); Same quality (Average)
    $302,235

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.

  • 15639 Lakewood Terrace Dr, Tomball, TX 77377
    September-17-2026 | 2,035 sqft | $187/sqft | built 2019 | Similar size (2,035 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $380,000
  • 16028 Limestone Lake Dr, Tomball, TX 77377
    September-4-2026 | 2,069 sqft | $123/sqft | built 2006 | Similar size (2,069 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $255,000
  • 20810 Clydesdale Post Rd, Tomball, TX 77377
    September-15-2026 | 2,040 sqft | $186/sqft | built 2021 | Similar size (2,040 sqft); Sold after the valuation date
    $380,000
  • 11619 Beckton Cypress Dr, Tomball, TX 77377
    September-1-2026 | 1,938 sqft | $168/sqft | built 2013 | Similar size (1,938 sqft); Similar age (2013); Sold after the valuation date
    $324,999
  • 21215 Trumpet Lily Trl, Tomball, TX 77377
    September-8-2026 | 1,980 sqft | $139/sqft | built 2020 | Similar size (1,980 sqft); Moderate age difference (10 years newer); Sold after the valuation date
    $275,000

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.