Harris Value

21823 Albertine St, Tomball, TX 77377

2,574 sqft, built 2018 Appraised at $441,502 for 2026.

Harris County account 1379500010022

Appraised value
$441,502
Tax year 2026 · after any cap, before exemptions
Living area
2,574 sqft
$172 per sqft
Year built
2018
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 77377 and HCAD Appraisal Area 2548.11 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 decreased 4.9% from $464,063 in 2025 to $441,502 in 2026.
  • Appraised value per square footThe current public record shows about $172 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 77377.
  • Neighborhood value signalAmong 202 residential records in the same neighborhood, the average appraised value is about $157 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.8% 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.

  • 18907 Paso Fino Prairie Ln, Tomball, TX 77377
    October-1-2026 | 2,538 sqft | $172/sqft | built 2022 | Similar size (2,538 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $436,900
  • 19039 Paso Fino Prairie Ln, Tomball, TX 77377
    September-1-2026 | 2,564 sqft | $207/sqft | built 2020 | Similar size (2,564 sqft); Similar age (2020); Sold after the valuation date
    $530,000
  • 20423 Avelignese Way, Tomball, TX 77377
    October-2-2026 | 2,564 sqft | $201/sqft | built 2022 | Similar size (2,564 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $514,900
  • 19030 Crested Moss Ave, Tomball, TX 77377
    September-21-2026 | 2,418 sqft | $165/sqft | built 2022 | 6% size difference (2,418 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $399,000
  • 19138 Blue Hill Ln, Tomball, TX 77377
    October-9-2026 | 2,844 sqft | $175/sqft | built 2019 | 10% size difference (2,844 sqft); Similar age (2019); Sold after the valuation date
    $499,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Harris County Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.