DTX Value

278 Stonewyck Ln, Sunnyvale, TX 75182

4 bed / 3 bath, 3,590 sqft, built 2021 Appraised at $685,000 for 2026.

Dallas County account 520090200G0090000

Appraised value
$685,000
Tax year 2026
Living area
3,590 sqft
$191 per sqft
Year built
2021
Excellent 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 75182 and DCAD Appraisal Area 3YSS23 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 DCAD records highlight what may be worth checking before you file.

  • Appraised value per square footThe current public record shows about $191 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 75182.
  • Neighborhood value signalAmong 76 residential records in the same neighborhood, the average appraised value is about $202 per square foot.

Comparable assessments

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

  • 277 Stonewyck Ln, Sunnyvale, TX 75182
    3,632 sqft | $195/sqft | built 2020 | Similar size (3,632 vs 3,590 sqft); Similar age (2020 vs 2021); Similar lot size (24,527 vs 24,030 sqft)
    $707,650
  • 268 Stonewyck Ln, Sunnyvale, TX 75182
    3,588 sqft | $189/sqft | built 2019 | Similar size (3,588 vs 3,590 sqft); Similar age (2019 vs 2021); Similar lot size (24,030 vs 24,030 sqft)
    $676,860
  • 272 Stonewyck Ln, Sunnyvale, TX 75182
    3,410 sqft | $192/sqft | built 2020 | 5% smaller (3,410 vs 3,590 sqft); Similar age (2020 vs 2021); Similar lot size (24,030 vs 24,030 sqft)
    $654,350
  • 303 Greenhill Ave, Sunnyvale, TX 75182
    3,486 sqft | $191/sqft | built 2020 | Similar size (3,486 vs 3,590 sqft); Similar age (2020 vs 2021); Similar lot size (24,150 vs 24,030 sqft)
    $664,320
  • 281 Stonewyck Ln, Sunnyvale, TX 75182
    3,581 sqft | $191/sqft | built 2020 | Similar size (3,581 vs 3,590 sqft); Similar age (2020 vs 2021); Similar lot size (25,481 vs 24,030 sqft)
    $683,470

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.

  • 392 Bethany Rd, Sunnyvale, TX 75182
    September-1-2026 | 3,934 sqft | $253/sqft | built 2016 | 10% size difference (3,934 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $995,000
  • 380 Bethany Rd, Sunnyvale, TX 75182
    August-20-2026 | 3,086 sqft | $225/sqft | built 2016 | 14% size difference (3,086 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $695,000
  • 486 Fenwick Dr, Sunnyvale, TX 75182
    June-11-2026 | 3,824 sqft | $183/sqft | built 2008 | 6% size difference (3,824 sqft); Sold after the valuation date; Same beds (4)
    $699,900
  • 106 E Fork Rd, Sunnyvale, TX 75182
    May-29-2026 | 3,702 sqft | $200/sqft | built 2004 | Similar size (3,702 sqft); Sold after the valuation date; Same beds (4)
    $740,000
  • 374 Redstone Dr, Sunnyvale, TX 75182
    June-8-2026 | 4,119 sqft | $181/sqft | built 2011 | 15% size difference (4,119 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $745,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Dallas 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.