450 Polly Rd, Sunnyvale, TX 75182

3 bed / 2 bath, 1,774 sqft, built 1976 Appraised at $575,740 for 2026.

Dallas County account 65123639210560000

Appraised value

$575,740

Tax year 2026

Living area

1,774 sqft

$325 per sqft

Year built

1976

Average quality

Value capped this year

Yes

An appraisal cap limited this year's appraised value

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 May 15, 2026. The 2027 protest deadline is May 17, 2027. 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 September 27, 2026 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 $325 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.

133 East Fork Rd, Sunnyvale, TX 75182
1,706 sqft | $373/sqft | built 1984 | Similar size (1,706 vs 1,774 sqft); Same story count (1); Similar lot size (87,120 vs 87,120 sqft)
$635,530
117 Rebecca Rd, Sunnyvale, TX 75182
1,923 sqft | $193/sqft | built 1971 | 8% larger (1,923 vs 1,774 sqft); Similar age (1971 vs 1976); Same story count (1)
$371,690
524 East Fork Rd, Sunnyvale, TX 75182
1,632 sqft | $313/sqft | built 1965 | 8% smaller (1,632 vs 1,774 sqft); Same story count (1); Similar lot size (87,120 vs 87,120 sqft)
$510,220
113 Rebecca Rd, Sunnyvale, TX 75182
1,539 sqft | $211/sqft | built 1972 | 13% smaller (1,539 vs 1,774 sqft); Similar age (1972 vs 1976); Same story count (1)
$324,910
613 Pecan Creek Dr, Sunnyvale, TX 75182
2,152 sqft | $221/sqft | built 1979 | Similar age (1979 vs 1976); Same story count (1); Similar lot size (87,120 vs 87,120 sqft)
$476,440

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.

116 Greenway St, Sunnyvale, TX 75182
August-25-2026 | 1,978 sqft | $210/sqft | built 1975 | 12% size difference (1,978 sqft); Similar age (1975); Sold after the valuation date
$415,000

Public appraisal comparison for 2026. Prepared October 5, 2026. Appraisal source: Dallas Central Appraisal District. Sales data checked in this snapshot: October 2, 2026. Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.