DTX Value

423 Copperstone Ct, Coppell, TX 75019

4 bed / 4 bath, 3,335 sqft, built 1997 Appraised at $747,420 for 2026.

Dallas County account 180014300B0140000

Appraised value
$747,420
Tax year 2026
Living area
3,335 sqft
$224 per sqft
Year built
1997
Average 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 $224 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.

  • 414 Copperstone Trl, Coppell, TX 75019
    3,568 sqft | $216/sqft | built 1997 | 7% larger (3,568 vs 3,335 sqft); Built same year (1997); Similar lot size (11,999 vs 11,535 sqft)
    $771,100
  • 493 Copperstone Trl, Coppell, TX 75019
    3,708 sqft | $201/sqft | built 1997 | 11% larger (3,708 vs 3,335 sqft); Built same year (1997); Similar lot size (10,905 vs 11,535 sqft)
    $745,000
  • 314 Copperstone Trl, Coppell, TX 75019
    3,356 sqft | $236/sqft | built 1996 | Similar size (3,356 vs 3,335 sqft); Similar age (1996 vs 1997); Lot 15% larger (13,278 vs 11,535 sqft)
    $791,920
  • 432 Avalon Ln, Coppell, TX 75019
    3,384 sqft | $251/sqft | built 1996 | Similar size (3,384 vs 3,335 sqft); Similar age (1996 vs 1997); Lot 16% smaller (9,742 vs 11,535 sqft)
    $848,490
  • 436 Avalon Ln, Coppell, TX 75019
    3,476 sqft | $219/sqft | built 1997 | Similar size (3,476 vs 3,335 sqft); Built same year (1997); Lot 13% smaller (9,984 vs 11,535 sqft)
    $761,000

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.

  • 984 E Bethel School Rd, Coppell, TX 75019
    September-25-2026 | 3,610 sqft | $233/sqft | built 1998 | 8% size difference (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 | 8% size difference (3,592 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $850,000
  • 940 Creek Xing, Coppell, TX 75019
    September-4-2026 | 3,380 sqft | $281/sqft | built 1993 | Similar size (3,380 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $950,000
  • 444 Avalon Ln, Coppell, TX 75019
    July-24-2026 | 3,428 sqft | $286/sqft | built 1996 | Similar size (3,428 sqft); Similar age (1996); Sold after the valuation date
    $979,000
  • 328 Park Valley Dr, Coppell, TX 75019
    August-24-2026 | 3,618 sqft | $235/sqft | built 1992 | 8% size difference (3,618 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $850,000

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.