Denton Value

420 Copper Cir, Argyle, TX 76226

4,301 sqft, built 2006, in Carlisle Addn Appraised at $643,500 for 2026.

Denton County account 000000239070

Appraised value
$643,500
Tax year 2026 · after any cap, before exemptions
Market value
$665,679
Living area
4,301 sqft
$150 per sqft
Year built
2006
Homestead
Yes
Owner-occupied exemption on file

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 76226, Carlisle Addn, Argyle, and Roanoke 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 Denton CAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value decreased 4.3% from $672,714 in 2025 to $643,500 in 2026.
  • Appraised value per square footThe current public record shows about $150 per square foot before any comparable-property adjustments.
  • Market/appraised spreadThe county market value is $22,179 above the appraised value used on this page.
  • Nearby comparison areaThis page starts the equity review with public records for the Carlisle Addn neighborhood and ZIP 76226.
  • Neighborhood value signalAmong 29 residential records in the same neighborhood, the average appraised value is about $183 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +5.6% on average.

Comparable assessments

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

  • 9356 Blanco Dr Argyle Tx
    4,217 sqft | $175/sqft | built 2007 | Similar size (4,217 vs 4,301 sqft); Similar age (2007 vs 2006); Similar lot size (10,121 vs 10,955 sqft)
    $737,872
  • 440 Jackson Cir, Argyle, TX 76226
    4,300 sqft | $182/sqft | built 2006 | Similar size (4,300 vs 4,301 sqft); Built same year (2006); Lot 12% larger (12,295 vs 10,955 sqft)
    $783,389
  • 430 Copper Cir, Argyle, TX 76226
    4,470 sqft | $170/sqft | built 2005 | Similar size (4,470 vs 4,301 sqft); Similar age (2005 vs 2006); Similar lot size (10,026 vs 10,955 sqft)
    $759,523
  • 9330 Blanco Dr, Argyle, TX 76226
    4,270 sqft | $189/sqft | built 2008 | Similar size (4,270 vs 4,301 sqft); Similar age (2008 vs 2006); Lot 14% larger (12,487 vs 10,955 sqft)
    $808,431
  • 9124 Blanco Dr, Argyle, TX 76226
    3,962 sqft | $175/sqft | built 2005 | 8% smaller (3,962 vs 4,301 sqft); Similar age (2005 vs 2006); Similar lot size (10,432 vs 10,955 sqft)
    $694,546

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.

  • 9155 Parson Dr, Lantana, TX 76226
    August-20-2026 | 4,212 sqft | $196/sqft | built 2006 | Similar size (4,212 sqft); Similar age (2006); Sold after the valuation date
    $824,989
  • 9309 Sabal Ln, Argyle, TX 76226
    September-11-2026 | 4,224 sqft | $237/sqft | built 2015 | Similar size (4,224 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $999,000
  • 721 Kimbro Ave, Argyle, TX 76226
    June-12-2026 | 4,570 sqft | $197/sqft | built 2011 | 6% size difference (4,570 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $900,000
  • 9144 Parson Dr, Lantana, TX 76226
    August-25-2026 | 3,634 sqft | $204/sqft | built 2007 | Similar age (2007); Sold after the valuation date
    $740,000
  • 524 Ellison Trce, Argyle, TX 76226
    August-21-2026 | 3,917 sqft | $274/sqft | built 2015 | 9% size difference (3,917 sqft); Moderate age difference (9 years newer); Sold after the valuation date
    $1,075,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Denton 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.

Recent sale history

Recent transfers help establish whether the county value is tracking real market behavior.

  • $695,000 sale recorded on October-1-2026