Collin Value

1800 Aspen St, Prosper, TX 75078

5,416 sqft, built 2016, in Christie Farms Phase 1. Appraised at $2,175,696 for 2026.

Collin County account 2644382

Appraised value
$2,175,696
Tax year 2026
Living area
5,416 sqft
$402 per sqft
Year built
2016

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, Christie Farms Phase 1, 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 decreased 4.9% from $2,286,620 in 2025 to $2,175,696 in 2026.
  • Appraised value per square footThe current public record shows about $402 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Christie Farms Phase 1 neighborhood and ZIP 75078.
  • Neighborhood value signalAmong 43 residential records in the same neighborhood, the average appraised value is about $419 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -7.3% on average.

Comparable assessments

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

  • 1841 Tranquility Ct, Prosper, TX 75078
    5,425 sqft | $420/sqft | built 2017 | Similar size (5,425 vs 5,416 sqft); Similar age (2017 vs 2016); Similar lot size (43,605 vs 44,823 sqft)
    $2,281,180
  • 4241 Tranquility Ln, Prosper, TX 75078
    5,392 sqft | $385/sqft | built 2015 | Similar size (5,392 vs 5,416 sqft); Similar age (2015 vs 2016); Similar lot size (43,560 vs 44,823 sqft)
    $2,073,945
  • 1861 Tranquility Ct, Prosper, TX 75078
    5,430 sqft | $414/sqft | built 2018 | Similar size (5,430 vs 5,416 sqft); Similar age (2018 vs 2016); Similar lot size (43,769 vs 44,823 sqft)
    $2,245,679
  • 1881 Tranquility Ct, Prosper, TX 75078
    5,380 sqft | $425/sqft | built 2017 | Similar size (5,380 vs 5,416 sqft); Similar age (2017 vs 2016); Similar lot size (47,739 vs 44,823 sqft)
    $2,284,490
  • 4240 Tranquility Ln, Prosper, TX 75078
    5,222 sqft | $417/sqft | built 2015 | Similar size (5,222 vs 5,416 sqft); Similar age (2015 vs 2016); Similar lot size (43,777 vs 44,823 sqft)
    $2,176,044

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.

  • 4241 Tranquility Ln, Prosper, TX 75078
    July-14-2026 | 5,392 sqft | $370/sqft | built 2015 | Similar size (5,392 sqft); Similar age (2015); Sold after the valuation date
    $1,995,000
  • 4240 San Juan Ave, Prosper, TX 75078
    July-30-2026 | 5,015 sqft | $369/sqft | built 2015 | 7% size difference (5,015 sqft); Similar age (2015); Sold after the valuation date
    $1,850,000
  • 1481 Stony Trl, Prosper, TX 75078
    September-16-2026 | 4,808 sqft | $333/sqft | built 2016 | 11% size difference (4,808 sqft); Similar age (2016); Sold after the valuation date
    $1,599,000
  • 750 Essex Dr, Prosper, TX 75078
    August-14-2026 | 5,385 sqft | $214/sqft | built 2012 | Similar size (5,385 sqft); Moderate age difference (4 years older); Sold after the valuation date
    $1,150,000
  • 4200 Tranquility Ln, Prosper, TX 75078
    April-29-2026 | 5,192 sqft | $395/sqft | built 2016 | Similar size (5,192 sqft); Similar age (2016); Sold after the valuation date
    $2,050,000

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 4.9% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$2,175,696−$110,924−4.9%
2025$2,286,620+$631,400+38.1%
2024$1,655,220−$143,404−8.0%
2023$1,798,624+$149,875+9.1%
2022$1,648,749+$398,799+31.9%
2021$1,249,950+$28,091+2.3%
2020$1,221,859——
6-year total+$953,837+78.1%