Harris Value

21322 Castlemont Ln, Spring, TX 77388

2,126 sqft, built 1982, in Bridgestone Appraised at $254,932 for 2026.

Harris County account 1147370050007

Appraised value
$254,932
Tax year 2026 · after any cap, before exemptions
Living area
2,126 sqft
$120 per sqft
Year built
1982
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 Bridgestone 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 4.0% from $265,653 in 2025 to $254,932 in 2026.
  • Appraised value per square footThe current public record shows about $120 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Bridgestone neighborhood and ZIP 77388.
  • Neighborhood value signalAmong 1,359 residential records in the same neighborhood, the average appraised value is about $133 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.5% on average.

Comparable assessments

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

  • 21322 Reed Creek Ln, Spring, TX 77388
    2,158 sqft | $115/sqft | built 1980 | Similar size (2,158 vs 2,126 sqft); Similar age (1980 vs 1982); Similar lot size (11,110 vs 11,050 sqft)
    $248,223
  • 21002 Moor Lily Ct, Spring, TX 77388
    2,132 sqft | $124/sqft | built 1987 | Similar size (2,132 vs 2,126 sqft); Similar age (1987 vs 1982); Similar lot size (11,220 vs 11,050 sqft)
    $264,024
  • 21003 Roydencrest Dr, Spring, TX 77388
    2,153 sqft | $123/sqft | built 1987 | Similar size (2,153 vs 2,126 sqft); Similar age (1987 vs 1982); Similar lot size (11,238 vs 11,050 sqft)
    $265,472
  • 21007 Moor Lily Ct, Spring, TX 77388
    2,132 sqft | $124/sqft | built 1986 | Similar size (2,132 vs 2,126 sqft); Similar age (1986 vs 1982); Similar lot size (11,550 vs 11,050 sqft)
    $264,127
  • 5002 Nightshade Ct, Spring, TX 77388
    2,146 sqft | $127/sqft | built 1984 | Similar size (2,146 vs 2,126 sqft); Similar age (1984 vs 1982); Similar lot size (10,397 vs 11,050 sqft)
    $272,157

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.

  • 4711 Carbrook Ct, Spring, TX 77388
    July-16-2026 | 2,024 sqft | $116/sqft | built 1976 | Similar size (2,024 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $235,000
  • 17327 Edsall Dr, Spring, TX 77388
    September-18-2026 | 2,275 sqft | $130/sqft | built 1973 | 7% size difference (2,275 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $295,000
  • 518 Magic Oaks Dr, Spring, TX 77388
    September-18-2026 | 2,334 sqft | $139/sqft | built 1971 | 10% size difference (2,334 sqft); Sold after the valuation date
    $325,000
  • 510 Moggy Ct, Spring, TX 77388
    September-18-2026 | 1,978 sqft | $151/sqft | built 1988 | 7% size difference (1,978 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $299,000
  • 3826 Shipman Ln, Spring, TX 77388
    July-17-2026 | 2,135 sqft | $140/sqft | built 1977 | Similar size (2,135 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $299,000

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.