Harris Value

21507 Tophill Dr, Spring, TX 77388

1,488 sqft, built 1970, in Northwood Park Appraised at $175,858 for 2026.

Harris County account 0901370000015

Appraised value
$175,858
Tax year 2026 · after any cap, before exemptions
Living area
1,488 sqft
$118 per sqft
Year built
1970
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 $175,858 in 2025 to $175,858 in 2026.
  • Appraised value per square footThe current public record shows about $118 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.

  • 21618 Stargrass Dr, Spring, TX 77388
    1,503 sqft | $120/sqft | built 1970 | Similar size (1,503 vs 1,488 sqft); Built same year (1970); Similar lot size (10,150 vs 10,150 sqft)
    $180,000
  • 21710 Tophill Dr, Spring, TX 77388
    1,480 sqft | $127/sqft | built 1973 | Similar size (1,480 vs 1,488 sqft); Similar age (1973 vs 1970); Similar lot size (10,150 vs 10,150 sqft)
    $188,108
  • 21414 Tophill Dr, Spring, TX 77388
    1,498 sqft | $134/sqft | built 1976 | Similar size (1,498 vs 1,488 sqft); Similar lot size (10,150 vs 10,150 sqft); Same quality (Average)
    $200,245
  • 21831 Roseville Dr, Spring, TX 77388
    1,377 sqft | $123/sqft | built 1971 | 8% smaller (1,377 vs 1,488 sqft); Similar age (1971 vs 1970); Similar lot size (10,150 vs 10,150 sqft)
    $169,419
  • 21319 Barcarole Dr, Spring, TX 77388
    1,480 sqft | $126/sqft | built 1983 | Similar size (1,480 vs 1,488 sqft); Similar lot size (10,500 vs 10,150 sqft); Same quality (Average)
    $185,781

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.

  • 20618 Nannette Ln, Spring, TX 77388
    August-28-2026 | 1,574 sqft | $172/sqft | built 1978 | 6% size difference (1,574 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $270,000
  • 21302 Bridgepoint Ln, Spring, TX 77388
    September-22-2026 | 1,560 sqft | $160/sqft | built 1982 | Similar size (1,560 sqft); Sold after the valuation date
    $250,000
  • 3315 Haydee Rd, Spring, TX 77388
    July-15-2026 | 1,456 sqft | $158/sqft | built 1983 | Similar size (1,456 sqft); Sold after the valuation date
    $229,900
  • 4918 Bridgemont Ln, Spring, TX 77388
    September-18-2026 | 1,520 sqft | $122/sqft | built 1984 | Similar size (1,520 sqft); Sold after the valuation date
    $184,999
  • 4506 Pineville Ln, Spring, TX 77388
    September-21-2026 | 1,614 sqft | $142/sqft | built 1980 | 8% size difference (1,614 sqft); Moderate age difference (10 years newer); Sold after the valuation date
    $230,000

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.