Collin Value

3145 Devonshire Dr, Plano, TX 75075

1,756 sqft, built 1984, in Cobblestone Townhome Community. Appraised at $325,118 for 2026.

Collin County account 1570240

Appraised value
$325,118
Tax year 2026
Living area
1,756 sqft
$185 per sqft
Year built
1984
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 75075 and Cobblestone Townhome Community 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 CCAD records highlight what may be worth checking before you file.

  • Assessment changeThe appraised value decreased 4.2% from $339,304 in 2025 to $325,118 in 2026.
  • Appraised value per square footThe current public record shows about $185 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Cobblestone Townhome Community neighborhood and ZIP 75075.
  • Neighborhood value signalAmong 36 residential records in the same neighborhood, the average appraised value is about $192 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -5.0% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 3121 Devonshire Dr, Plano, TX 75075
    1,788 sqft | $194/sqft | built 1984 | Similar size (1,788 vs 1,756 sqft); Built same year (1984); Similar lot size (3,741 vs 3,741 sqft)
    $347,758
  • 3221 Devonshire Dr, Plano, TX 75075
    1,717 sqft | $193/sqft | built 1987 | Similar size (1,717 vs 1,756 sqft); Similar age (1987 vs 1984); Similar lot size (3,850 vs 3,741 sqft)
    $331,257
  • 3237 Devonshire Dr, Plano, TX 75075
    1,742 sqft | $192/sqft | built 1987 | Similar size (1,742 vs 1,756 sqft); Similar age (1987 vs 1984); Lot 13% larger (4,238 vs 3,741 sqft)
    $334,358
  • 3109 Devonshire Dr, Plano, TX 75075
    1,788 sqft | $179/sqft | built 1984 | Similar size (1,788 vs 1,756 sqft); Built same year (1984); Lot 18% smaller (3,080 vs 3,741 sqft)
    $320,000
  • 3133 Devonshire Dr, Plano, TX 75075
    1,788 sqft | $179/sqft | built 1984 | Similar size (1,788 vs 1,756 sqft); Built same year (1984); Lot 18% smaller (3,080 vs 3,741 sqft)
    $320,694

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.

  • 3337 Devonshire Dr, Plano, TX 75075
    August-7-2026 | 1,823 sqft | $178/sqft | built 1998 | Similar size (1,823 sqft); Sold after the valuation date
    $325,000
  • 820 Wynnpage Ln, Plano, TX 75075
    July-6-2026 | 1,691 sqft | $222/sqft | built 1990 | Similar size (1,691 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $375,000
  • 3329 Fontaine St, Plano, TX 75075
    August-17-2026 | 1,902 sqft | $228/sqft | built 1974 | 8% size difference (1,902 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $434,500
  • 3341 Devonshire Dr, Plano, TX 75075
    May-20-2026 | 1,823 sqft | $165/sqft | built 1998 | Similar size (1,823 sqft); Sold after the valuation date
    $299,950
  • 1916 Gansett Dr, Plano, TX 75075
    July-1-2026 | 2,118 sqft | $220/sqft | built 1991 | Moderate age difference (7 years newer); Sold after the valuation date
    $464,900

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

Value history

Down 4.2% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$325,118−$14,186−4.2%
2025$339,304+$36,605+12.1%
2024$302,699+$18,599+6.5%
2023$284,100+$38,413+15.6%
2022$245,687+$8,325+3.5%
2021$237,362+$14,524+6.5%
2020$222,838——
6-year total+$102,280+45.9%