Harris Value

21327 Tophill Dr, Spring, TX 77388

1,700 sqft, built 1976, in Northwood Park Appraised at $289,925 for 2026.

Harris County account 0901380000010

Appraised value
$289,925
Tax year 2026 · after any cap, before exemptions
Living area
1,700 sqft
$171 per sqft
Year built
1976
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 77388 and Northwood Park 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 stayed about the same, from $289,925 in 2025 to $289,925 in 2026.
  • Appraised value per square footThe current public record shows about $171 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Northwood Park neighborhood and ZIP 77388.
  • Neighborhood value signalAmong 203 residential records in the same neighborhood, the average appraised value is about $155 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +8.6% on average.

Comparable assessments

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

  • 21702 Barcarole Dr, Spring, TX 77388
    1,680 sqft | $148/sqft | built 1973 | Similar size (1,680 vs 1,700 sqft); Similar age (1973 vs 1976); Lot 14% smaller (21,750 vs 25,269 sqft)
    $248,144
  • 21631 Stargrass Dr, Spring, TX 77388
    1,743 sqft | $173/sqft | built 1978 | Similar size (1,743 vs 1,700 sqft); Similar age (1978 vs 1976); Lot 14% smaller (21,750 vs 25,269 sqft)
    $301,563
  • 21431 Stargrass Dr, Spring, TX 77388
    1,710 sqft | $154/sqft | built 1970 | Similar size (1,710 vs 1,700 sqft); Lot 16% smaller (21,315 vs 25,269 sqft); Same quality (Average)
    $263,064
  • 21810 Roseville Dr, Spring, TX 77388
    1,858 sqft | $147/sqft | built 1976 | 9% larger (1,858 vs 1,700 sqft); Built same year (1976); Similar lot size (27,300 vs 25,269 sqft)
    $273,945
  • 21427 Roseville Dr, Spring, TX 77388
    1,828 sqft | $165/sqft | built 1976 | 8% larger (1,828 vs 1,700 sqft); Built same year (1976); Lot 12% larger (28,358 vs 25,269 sqft)
    $301,238

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.

  • 4822 Cypressdale Dr, Spring, TX 77388
    September-1-2026 | 1,780 sqft | $138/sqft | built 1976 | Similar size (1,780 sqft); Similar age (1976); Sold after the valuation date
    $245,000
  • 4506 Pineville Ln, Spring, TX 77388
    September-21-2026 | 1,614 sqft | $142/sqft | built 1980 | 5% size difference (1,614 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $230,000
  • 21310 Bridgepoint Ln, Spring, TX 77388
    September-22-2026 | 1,622 sqft | $133/sqft | built 1982 | Similar size (1,622 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $215,900
  • 21503 Bridgepoint Ln, Spring, TX 77388
    August-24-2026 | 1,662 sqft | $141/sqft | built 1982 | Similar size (1,662 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $234,000
  • 4706 Owens Creek Ln, Spring, TX 77388
    September-11-2026 | 1,686 sqft | $95/sqft | built 1980 | Similar size (1,686 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $159,900

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.