Collin Value

2040 Longmont Ln, Prosper, TX 75078

3,476 sqft, built 2018, in Parkside. Appraised at $1,175,440 for 2026.

Collin County account 2764447

Appraised value
$1,175,440
Tax year 2026
Living area
3,476 sqft
$338 per sqft
Year built
2018
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 75078, Parkside, Celina, and Prosper 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 increased 9.2% from $1,076,427 in 2025 to $1,175,440 in 2026.
  • Appraised value per square footThe current public record shows about $338 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Parkside neighborhood and ZIP 75078.
  • Neighborhood value signalAmong 156 residential records in the same neighborhood, the average appraised value is about $332 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +8.1% on average.

Comparable assessments

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

  • 820 Biltmore Ln, Prosper, TX 75078
    3,484 sqft | $331/sqft | built 2019 | Similar size (3,484 vs 3,476 sqft); Similar age (2019 vs 2018); Similar lot size (10,802 vs 10,802 sqft)
    $1,153,753
  • 801 Country Brook Ln, Prosper, TX 75078
    3,503 sqft | $337/sqft | built 2020 | Similar size (3,503 vs 3,476 sqft); Similar age (2020 vs 2018); Similar lot size (10,802 vs 10,802 sqft)
    $1,181,024
  • 2240 Country Brook Ln, Prosper, TX 75078
    3,541 sqft | $311/sqft | built 2018 | Similar size (3,541 vs 3,476 sqft); Built same year (2018); Similar lot size (10,933 vs 10,802 sqft)
    $1,100,000
  • 2231 Country Brook Ln, Prosper, TX 75078
    3,404 sqft | $334/sqft | built 2020 | Similar size (3,404 vs 3,476 sqft); Similar age (2020 vs 2018); Similar lot size (10,802 vs 10,802 sqft)
    $1,138,610
  • 451 Morgan Ln, Prosper, TX 75078
    3,476 sqft | $316/sqft | built 2018 | Similar size (3,476 vs 3,476 sqft); Built same year (2018); Similar lot size (10,802 vs 10,802 sqft)
    $1,100,000

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.

  • 500 Lake Trail Ln, Prosper, TX 75078
    September-18-2026 | 3,412 sqft | $227/sqft | built 2017 | Similar size (3,412 sqft); Similar age (2017); Sold after the valuation date
    $775,000
  • 361 Frasier Ln, Prosper, TX 75078
    August-3-2026 | 3,486 sqft | $287/sqft | built 2016 | Similar size (3,486 sqft); Similar age (2016); Sold after the valuation date
    $1,000,000
  • 1600 Cottonwood Trl, Prosper, TX 75078
    August-24-2026 | 3,600 sqft | $290/sqft | built 2019 | Similar size (3,600 sqft); Similar age (2019); Sold after the valuation date
    $1,045,000
  • 1941 Star Trace Pkwy, Prosper, TX 75078
    September-3-2026 | 3,363 sqft | $320/sqft | built 2021 | Similar size (3,363 sqft); Similar age (2021); Sold after the valuation date
    $1,075,000
  • 520 Devonshire Dr, Prosper, TX 75078
    September-16-2026 | 3,641 sqft | $206/sqft | built 2010 | Similar size (3,641 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $749,950

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

Up 9.2% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$1,175,440+$99,013+9.2%
2025$1,076,427−$158,341−12.8%
2024$1,234,768+$193,691+18.6%
2023$1,041,077+$120,986+13.1%
2022$920,091+$262,091+39.8%
2021$658,000+$36,000+5.8%
2020$622,000——
6-year total+$553,440+89.0%