DTX Value

405 Cosbie Ct, Irving, TX 75063

3 bed / 2 bath, 1,984 sqft, built 1993, in Valley Ranch Appraised at $493,300 for 2026.

Dallas County account 322553100A0140000

Appraised value
$493,300
Tax year 2026
Living area
1,984 sqft
$249 per sqft
Year built
1993
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 75063 and Valley Ranch 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 $249 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Valley Ranch neighborhood and ZIP 75063.
  • Neighborhood value signalAmong 138 residential records in the same neighborhood, the average appraised value is about $225 per square foot.

Comparable assessments

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

  • 10204 Donley Dr, Irving, TX 75063
    1,869 sqft | $245/sqft | built 1994 | 6% smaller (1,869 vs 1,984 sqft); Similar age (1994 vs 1993); Same story count (1)
    $457,790
  • 412 Cosbie Ct, Irving, TX 75063
    2,026 sqft | $266/sqft | built 1996 | Similar size (2,026 vs 1,984 sqft); Similar age (1996 vs 1993); Similar lot size (7,195 vs 7,467 sqft)
    $539,360
  • 315 Cosbie Dr, Irving, TX 75063
    2,014 sqft | $241/sqft | built 1994 | Similar size (2,014 vs 1,984 sqft); Similar age (1994 vs 1993); Same story count (1)
    $484,680
  • 300 Andre Dr, Irving, TX 75063
    1,989 sqft | $231/sqft | built 1993 | Similar size (1,989 vs 1,984 sqft); Built same year (1993); Same story count (1)
    $460,000
  • 10411 Waters Dr, Irving, TX 75063
    1,984 sqft | $232/sqft | built 1994 | Similar size (1,984 vs 1,984 sqft); Similar age (1994 vs 1993); Same story count (1)
    $460,000

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.

  • 9703 Raven Ln, Irving, TX 75063
    September-3-2026 | 2,078 sqft | $250/sqft | built 1995 | Similar size (2,078 sqft); Similar age (1995); Sold after the valuation date
    $519,000
  • 10009 White Ln, Irving, TX 75063
    September-29-2026 | 2,154 sqft | $244/sqft | built 1993 | 9% size difference (2,154 sqft); Similar age (1993); Sold after the valuation date
    $524,999
  • 8605 Wellington Point Dr, Irving, TX 75063
    September-18-2026 | 1,911 sqft | $249/sqft | built 1993 | Similar size (1,911 sqft); Similar age (1993); Sold after the valuation date
    $475,000
  • 207 Meredith Ct, Irving, TX 75063
    August-10-2026 | 2,057 sqft | $233/sqft | built 1996 | Similar size (2,057 sqft); Similar age (1996); Sold after the valuation date
    $480,000
  • 8704 Stonecrest Dr, Irving, TX 75063
    July-13-2026 | 2,030 sqft | $222/sqft | built 1994 | Similar size (2,030 sqft); Similar age (1994); Sold after the valuation date
    $450,000

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.