DTX Value

406 Copperstone Trl, Coppell, TX 75019

4 bed / 5 bath, 3,617 sqft, built 1996 Appraised at $905,000 for 2026.

Dallas County account 180014300A0230000

Appraised value
$905,000
Tax year 2026
Living area
3,617 sqft
$250 per sqft
Year built
1996
Very 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 75019 and DCAD Appraisal Area 5OST08 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 $250 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for ZIP 75019.
  • Neighborhood value signalAmong 79 residential records in the same neighborhood, the average appraised value is about $238 per square foot.

Comparable assessments

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

  • 318 Copperstone Trl, Coppell, TX 75019
    3,569 sqft | $280/sqft | built 1997 | Similar size (3,569 vs 3,617 sqft); Similar age (1997 vs 1996); Similar lot size (11,998 vs 11,999 sqft)
    $999,110
  • 322 Copperstone Trl, Coppell, TX 75019
    3,612 sqft | $274/sqft | built 1997 | Similar size (3,612 vs 3,617 sqft); Similar age (1997 vs 1996); Lot 16% larger (13,867 vs 11,999 sqft)
    $990,000
  • 450 Copperstone Trl, Coppell, TX 75019
    3,859 sqft | $275/sqft | built 1997 | 7% larger (3,859 vs 3,617 sqft); Similar age (1997 vs 1996); Similar lot size (12,145 vs 11,999 sqft)
    $1,061,350
  • 433 Avalon Ln, Coppell, TX 75019
    3,897 sqft | $252/sqft | built 1997 | 8% larger (3,897 vs 3,617 sqft); Similar age (1997 vs 1996); Similar lot size (12,174 vs 11,999 sqft)
    $981,320
  • 449 Avalon Ln, Coppell, TX 75019
    3,897 sqft | $256/sqft | built 1996 | 8% larger (3,897 vs 3,617 sqft); Built same year (1996); Similar lot size (11,613 vs 11,999 sqft)
    $998,370

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.

  • 984 E Bethel School Rd, Coppell, TX 75019
    September-25-2026 | 3,610 sqft | $233/sqft | built 1998 | Similar size (3,610 sqft); Similar age (1998); Sold after the valuation date
    $839,900
  • 153 Windham Cir, Coppell, TX 75019
    September-29-2026 | 3,592 sqft | $237/sqft | built 1992 | Similar size (3,592 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $850,000
  • 625 Cambridge Manor Ln, Coppell, TX 75019
    October-8-2026 | 3,777 sqft | $298/sqft | built 1996 | Similar size (3,777 sqft); Similar age (1996); Sold after the valuation date
    $1,125,000
  • 328 Park Valley Dr, Coppell, TX 75019
    August-24-2026 | 3,618 sqft | $235/sqft | built 1992 | Similar size (3,618 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $850,000
  • 842 Mallard Dr, Coppell, TX 75019
    September-10-2026 | 3,609 sqft | $222/sqft | built 1994 | Similar size (3,609 sqft); Similar age (1994); Sold after the valuation date
    $799,900

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.