DTX Value

478 Polly Rd, Sunnyvale, TX 75182

4 bed / 4 bath, 3,832 sqft, built 2021 Appraised at $715,000 for 2026.

Dallas County account 52006230010010000

Appraised value
$715,000
Tax year 2026
Living area
3,832 sqft
$187 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 3YSM04 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 $187 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 264 residential records in the same neighborhood, the average appraised value is about $1,132 per square foot.

Comparable assessments

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

  • 235 East Fork Rd, Sunnyvale, TX 75182
    3,805 sqft | $187/sqft | built 2019 | Similar size (3,805 vs 3,832 sqft); Similar age (2019 vs 2021); Same quality (Excellent)
    $710,810
  • 643 Tripp Rd Sunnyvale
    4,050 sqft | $237/sqft | built 2023 | 6% larger (4,050 vs 3,832 sqft); Similar age (2023 vs 2021); Same quality (Excellent)
    $958,850
  • 533 E Tripp Rd, Sunnyvale, TX 75182
    3,576 sqft | $199/sqft | built 2020 | 7% smaller (3,576 vs 3,832 sqft); Similar age (2020 vs 2021); Same quality (Excellent)
    $710,430
  • 520 East Fork Rd Sunnyvale
    4,038 sqft | $216/sqft | built 2022 | 5% larger (4,038 vs 3,832 sqft); Similar age (2022 vs 2021); Same quality (Excellent)
    $871,000
  • 109 Rebecca Rd, Sunnyvale, TX 75182
    3,816 sqft | $223/sqft | built 2016 | Similar size (3,816 vs 3,832 sqft); Similar age (2016 vs 2021); Same quality (Excellent)
    $852,000

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 | Similar size (3,934 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $995,000
  • 486 Fenwick Dr, Sunnyvale, TX 75182
    June-11-2026 | 3,824 sqft | $183/sqft | built 2008 | Similar size (3,824 sqft); Sold after the valuation date; Same beds (4)
    $699,900
  • 430 Stone Canyon Dr, Sunnyvale, TX 75182
    July-6-2026 | 3,994 sqft | $180/sqft | built 2004 | Similar size (3,994 sqft); Sold after the valuation date; Same beds (4)
    $719,990
  • 374 Redstone Dr, Sunnyvale, TX 75182
    June-8-2026 | 4,119 sqft | $181/sqft | built 2011 | 8% size difference (4,119 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $745,000
  • 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

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.