Fort Bend Value

518 S Belknap, Sugar Land, TX 77478

4 bed / 2 bath, 2,120 sqft, built 1956, in Belknap/Four Hundred Oyster Creek Appraised at $523,923 for 2026.

Fort Bend County account 217065

Appraised value
$523,923
Tax year 2026 · after any cap, before exemptions
Living area
2,120 sqft
$247 per sqft
Year built
1956

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 77478, Belknap/Four Hundred Oyster Creek, and Sugar Land 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 mailed, 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 FBCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value increased 26.6% from $413,732 in 2025 to $523,923 in 2026.
  • Appraised value per square footThe current public record shows about $247 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Belknap/Four Hundred Oyster Creek neighborhood and ZIP 77478.
  • Neighborhood value signalAmong 200 residential records in the same neighborhood, the average appraised value is about $230 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -0.3% on average.

Comparable assessments

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

  • 107 Guenther St, Sugar Land, TX 77478
    2,240 sqft | $233/sqft | built 1954 | 6% larger (2,240 vs 2,120 sqft); Similar age (1954 vs 1956); Similar lot size (11,238 vs 11,325 sqft)
    $522,588
  • 207 Brooks St, Sugar Land, TX 77478
    1,952 sqft | $143/sqft | built 1953 | 8% smaller (1,952 vs 2,120 sqft); Similar age (1953 vs 1956); Similar lot size (11,238 vs 11,325 sqft)
    $278,652
  • 115 Guenther St, Sugar Land, TX 77478
    2,060 sqft | $147/sqft | built 1948 | Similar size (2,060 vs 2,120 sqft); Similar lot size (11,238 vs 11,325 sqft); Same neighborhood
    $301,839
  • 111 Guenther St, Sugar Land, TX 77478
    1,930 sqft | $150/sqft | built 1954 | 9% smaller (1,930 vs 2,120 sqft); Similar age (1954 vs 1956); Similar lot size (11,238 vs 11,325 sqft)
    $290,024
  • 607 Kyle St, Sugar Land, TX 77478
    2,206 sqft | $141/sqft | built 1960 | Similar size (2,206 vs 2,120 sqft); Similar age (1960 vs 1956); Lot 13% smaller (9,801 vs 11,325 sqft)
    $311,178

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.

  • 145 Dogwood St St, Sugar Land, TX 77478
    August-14-2026 | 1,982 sqft | $227/sqft | built 1968 | 6% size difference (1,982 sqft); Sold after the valuation date; Same beds (4)
    $450,000
  • 606 Venice St, Sugar Land, TX 77478
    August-5-2026 | 1,857 sqft | $202/sqft | built 1962 | 12% size difference (1,857 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $375,000
  • 606 Kyle St, Sugar Land, TX 77478
    July-3-2026 | 2,427 sqft | $218/sqft | built 1960 | 14% size difference (2,427 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $529,000
  • 822 Venice St, Sugar Land, TX 77478
    August-19-2026 | 1,678 sqft | $253/sqft | built 1965 | Moderate age difference (9 years newer); Sold after the valuation date; Within 1 bedroom (3 vs 4)
    $425,000
  • 822 Merrick Dr, Sugar Land, TX 77478
    September-8-2026 | 2,505 sqft | $230/sqft | built 1972 | Sold after the valuation date; Within 1 bedroom (3 vs 4)
    $575,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Fort Bend Central 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.