Collin Value

2309 Grafton Ln, Mckinney, TX 75071

4,300 sqft, built 2017, in Auburn Hills Phase 5C. Appraised at $945,209 for 2026.

Collin County account 2747316

Appraised value
$945,209
Tax year 2026
Living area
4,300 sqft
$220 per sqft
Year built
2017
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 75071, Auburn Hills Phase 5C, and McKinney 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 2.7% from $971,000 in 2025 to $945,209 in 2026.
  • Appraised value per square footThe current public record shows about $220 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Auburn Hills Phase 5C neighborhood and ZIP 75071.
  • Neighborhood value signalAmong 186 residential records in the same neighborhood, the average appraised value is about $218 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -7.5% on average.

Comparable assessments

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

  • 2216 Grafton Ln, Mckinney, TX 75071
    4,395 sqft | $260/sqft | built 2017 | Similar size (4,395 vs 4,300 sqft); Built same year (2017); Similar lot size (9,784 vs 9,677 sqft)
    $1,144,400
  • 2305 Grafton Ln, Mckinney, TX 75071
    4,347 sqft | $200/sqft | built 2019 | Similar size (4,347 vs 4,300 sqft); Similar age (2019 vs 2017); Similar lot size (9,845 vs 9,677 sqft)
    $869,878
  • 2217 Nassau Dr, Mckinney, TX 75071
    4,189 sqft | $214/sqft | built 2017 | Similar size (4,189 vs 4,300 sqft); Built same year (2017); Similar lot size (9,874 vs 9,677 sqft)
    $898,000
  • 2304 Grafton Ln, Mckinney, TX 75071
    4,325 sqft | $208/sqft | built 2017 | Similar size (4,325 vs 4,300 sqft); Built same year (2017); Similar lot size (9,784 vs 9,677 sqft)
    $897,726
  • 2301 Nassau Dr, Mckinney, TX 75071
    4,040 sqft | $202/sqft | built 2018 | 6% smaller (4,040 vs 4,300 sqft); Similar age (2018 vs 2017); Similar lot size (9,628 vs 9,677 sqft)
    $817,237

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.

  • 1501 Litchfield Dr, Mckinney, TX 75071
    September-22-2026 | 4,352 sqft | $190/sqft | built 2004 | Similar size (4,352 sqft); Sold after the valuation date
    $825,000
  • 7601 Darrow Dr, Mckinney, TX 75071
    September-4-2026 | 3,932 sqft | $253/sqft | built 2015 | 9% size difference (3,932 sqft); Similar age (2015); Sold after the valuation date
    $995,000
  • 712 Glendevon Dr, Mckinney, TX 75071
    August-17-2026 | 3,882 sqft | $223/sqft | built 2008 | 10% size difference (3,882 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $865,000
  • 8909 Acorn Bend Way, Mckinney, TX 75071
    June-5-2026 | 3,901 sqft | $159/sqft | built 2021 | 9% size difference (3,901 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $619,500
  • 7555 Cormac St, Mckinney, TX 75071
    July-24-2026 | 3,856 sqft | $272/sqft | built 2019 | 10% size difference (3,856 sqft); Similar age (2019); Sold after the valuation date
    $1,050,000

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

Value history

Down 2.7% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$945,209−$25,791−2.7%
2025$971,000−$86,647−8.2%
2024$1,057,647+$109,603+11.6%
2023$948,044+$42,597+4.7%
2022$905,447+$320,445+54.8%
2021$585,002+$218,702+59.7%
2020$366,300——
6-year total+$578,909+158.0%