DTX Value

3621 Duchess Trl, Dallas, TX 75229

4 bed / 3 bath, 4,084 sqft, built 1956, in Northwest Dallas Appraised at $1,235,830 for 2026.

Dallas County account 00000587953000000

Appraised value
$1,235,830
Tax year 2026
Living area
4,084 sqft
$303 per sqft
Year built
1956
Good 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 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 $303 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 753 residential records in the same neighborhood, the average appraised value is about $298 per square foot.

Comparable assessments

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

  • 3334 Lancelot Dr, Dallas, TX 75229
    4,251 sqft | $170/sqft | built 1960 | Similar size (4,251 vs 4,084 sqft); Similar age (1960 vs 1956); Similar lot size (10,061 vs 10,028 sqft)
    $720,850
  • 3322 Princess Ln, Dallas, TX 75229
    3,657 sqft | $192/sqft | built 1959 | 10% smaller (3,657 vs 4,084 sqft); Similar age (1959 vs 1956); Similar lot size (9,878 vs 10,028 sqft)
    $702,310
  • 3242 Duchess Trl, Dallas, TX 75229
    4,303 sqft | $254/sqft | built 1959 | 5% larger (4,303 vs 4,084 sqft); Similar age (1959 vs 1956); Same story count (2)
    $1,092,700
  • 3242 Princess Ln, Dallas, TX 75229
    3,854 sqft | $256/sqft | built 1959 | 6% smaller (3,854 vs 4,084 sqft); Similar age (1959 vs 1956); Similar lot size (10,103 vs 10,028 sqft)
    $986,590
  • 3333 Regent Dr, Dallas, TX 75229
    3,255 sqft | $212/sqft | built 1958 | Similar age (1958 vs 1956); Similar lot size (10,062 vs 10,028 sqft); Same quality (Good)
    $688,660

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.

  • 4034 Alta Vista Ln, Dallas, TX 75229
    September-16-2026 | 4,065 sqft | $492/sqft | built 1959 | Similar size (4,065 sqft); Similar age (1959); Sold after the valuation date
    $1,999,999
  • 4110 Shady Hill Dr, Dallas, TX 75229
    October-9-2026 | 3,984 sqft | $358/sqft | built 1965 | Similar size (3,984 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $1,425,000
  • 4558 Shady Hill Dr, Dallas, TX 75229
    June-12-2026 | 3,780 sqft | $325/sqft | built 1962 | 7% size difference (3,780 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $1,227,000
  • 3841 Peter Pan Dr, Dallas, TX 75229
    May-29-2026 | 3,510 sqft | $328/sqft | built 1970 | 14% size difference (3,510 sqft); Sold after the valuation date; Same beds (4)
    $1,150,000
  • 10424 Remington Ln, Dallas, TX 75229
    April-17-2026 | 4,107 sqft | $457/sqft | built 1954 | Similar size (4,107 sqft); Similar age (1954); Sold after the valuation date
    $1,875,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Dallas Central Appraisal District. Sales data checked in this snapshot: . Matches consider available size, age, location and property characteristics. How comparisons work.