DTX Value

3863 Duchess Trl, Dallas, TX 75229

4 bed / 3 bath, 2,721 sqft, built 1972, in Northwest Dallas Appraised at $1,146,870 for 2026.

Dallas County account 00000584852280000

Appraised value
$1,146,870
Tax year 2026
Living area
2,721 sqft
$421 per sqft
Year built
1972
Very Good 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 75229, Northwest Dallas, and Preston Hollow 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 $421 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Northwest Dallas neighborhood and ZIP 75229.
  • Neighborhood value signalAmong 202 residential records in the same neighborhood, the average appraised value is about $350 per square foot.

Comparable assessments

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

  • 3811 Echobrook Ln, Dallas, TX 75229
    2,835 sqft | $393/sqft | built 1971 | Similar size (2,835 vs 2,721 sqft); Similar age (1971 vs 1972); Same story count (1)
    $1,113,290
  • 3840 Royal Ln, Dallas, TX 75229
    2,802 sqft | $311/sqft | built 1974 | Similar size (2,802 vs 2,721 sqft); Similar age (1974 vs 1972); Same story count (1)
    $871,310
  • 3854 Princess Ln, Dallas, TX 75229
    2,883 sqft | $410/sqft | built 1971 | 6% larger (2,883 vs 2,721 sqft); Similar age (1971 vs 1972); Same story count (1)
    $1,182,910
  • 3874 Regent Dr, Dallas, TX 75229
    2,951 sqft | $402/sqft | built 1972 | 8% larger (2,951 vs 2,721 sqft); Built same year (1972); Same story count (1)
    $1,186,250
  • 10717 Cox Ln, Dallas, TX 75229
    2,738 sqft | $382/sqft | built 1971 | Similar size (2,738 vs 2,721 sqft); Similar age (1971 vs 1972); Same story count (1)
    $1,046,060

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.

  • 10461 Carry Back Cir, Dallas, TX 75229
    September-9-2026 | 2,524 sqft | $257/sqft | built 1968 | 7% size difference (2,524 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $649,000
  • 10018 Cromwell Dr, Dallas, TX 75229
    August-7-2026 | 2,636 sqft | $296/sqft | built 1969 | Similar size (2,636 sqft); Similar age (1969); Sold after the valuation date
    $779,000
  • 3544 Whitehall Dr, Dallas, TX 75229
    August-26-2026 | 2,642 sqft | $261/sqft | built 1958 | Similar size (2,642 sqft); Sold after the valuation date; Within 1 bedroom (3 vs 4)
    $690,000
  • 4230 Royal Ridge Dr, Dallas, TX 75229
    July-24-2026 | 2,513 sqft | $368/sqft | built 1969 | 8% size difference (2,513 sqft); Similar age (1969); Sold after the valuation date
    $924,900
  • 3910 Cedarbrush Dr, Dallas, TX 75229
    September-16-2026 | 2,748 sqft | $360/sqft | built 1961 | Similar size (2,748 sqft); Sold after the valuation date; Within 1 bedroom (5 vs 4)
    $990,000

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.