Collin Value

8609 Autumn Lake Trl, Mckinney, TX 75071

4,318 sqft, built 2021, in Trinity Falls Planning Unit 3 Phase 3B. Appraised at $889,343 for 2026.

Collin County account 2803503

Appraised value
$889,343
Tax year 2026
Living area
4,318 sqft
$206 per sqft
Year built
2021

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, Trinity Falls Planning Unit 3 Phase 3B, 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 7.2% from $958,769 in 2025 to $889,343 in 2026.
  • Appraised value per square footThe current public record shows about $206 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Trinity Falls Planning Unit 3 Phase 3B neighborhood and ZIP 75071.
  • Neighborhood value signalAmong 193 residential records in the same neighborhood, the average appraised value is about $235 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -4.0% on average.

Comparable assessments

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

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); Moderate age difference (6 years older); Sold after the valuation date
    $995,000
  • 6809 Muenster Dr, Mckinney, TX 75071
    July-15-2026 | 4,118 sqft | $209/sqft | built 2026 | Similar size (4,118 sqft); Moderate age difference (5 years newer); Sold after the valuation date
    $861,034
  • 2203 State Blvd, Mckinney, TX 75071
    June-19-2026 | 4,410 sqft | $238/sqft | built 2008 | Similar size (4,410 sqft); Sold after the valuation date
    $1,050,000
  • 7555 Cormac St, Mckinney, TX 75071
    July-24-2026 | 3,856 sqft | $272/sqft | built 2019 | 11% 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: . Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Down 7.2% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$889,343−$69,426−7.2%
2025$958,769+$94,667+11.0%
2024$864,102−$83,875−8.8%
2023$947,977+$172,422+22.2%
2022$775,555——
4-year total+$113,788+14.7%