Collin Value

651 Sibyl Ln, Prosper, TX 75078

4,145 sqft, built 2014, in Crestview At Prosper Phase 2. Appraised at $881,430 for 2026.

Collin County account 2675267

Appraised value
$881,430
Tax year 2026
Living area
4,145 sqft
$213 per sqft
Year built
2014
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, Crestview At Prosper Phase 2, 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 3.4% from $912,845 in 2025 to $881,430 in 2026.
  • Appraised value per square footThe current public record shows about $213 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Crestview At Prosper Phase 2 neighborhood and ZIP 75078.
  • Neighborhood value signalAmong 75 residential records in the same neighborhood, the average appraised value is about $214 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -3.5% on average.

Comparable assessments

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

  • 901 Jessica Ln, Prosper, TX 75078
    4,356 sqft | $222/sqft | built 2015 | 5% larger (4,356 vs 4,145 sqft); Similar age (2015 vs 2014); Similar lot size (19,410 vs 19,448 sqft)
    $966,751
  • 960 Warren Dr, Prosper, TX 75078
    3,949 sqft | $246/sqft | built 2013 | Similar size (3,949 vs 4,145 sqft); Similar age (2013 vs 2014); Similar lot size (19,060 vs 19,448 sqft)
    $971,553
  • 840 Allen Pl, Prosper, TX 75078
    4,311 sqft | $218/sqft | built 2015 | Similar size (4,311 vs 4,145 sqft); Similar age (2015 vs 2014); Similar lot size (18,434 vs 19,448 sqft)
    $938,229
  • 980 Warren Dr, Prosper, TX 75078
    4,163 sqft | $212/sqft | built 2014 | Similar size (4,163 vs 4,145 sqft); Built same year (2014); Same neighborhood
    $883,662
  • 671 Sibyl Ln, Prosper, TX 75078
    4,290 sqft | $205/sqft | built 2014 | Similar size (4,290 vs 4,145 sqft); Built same year (2014); Lot 17% smaller (16,158 vs 19,448 sqft)
    $878,707

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.

  • 1300 Waterton Dr, Prosper, TX 75078
    August-13-2026 | 4,213 sqft | $214/sqft | built 2018 | Similar size (4,213 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $900,000
  • 1650 Chisholm Trl, Prosper, TX 75078
    August-28-2026 | 4,042 sqft | $186/sqft | built 2016 | Similar size (4,042 sqft); Similar age (2016); Sold after the valuation date
    $750,000
  • 4020 Chama St, Prosper, TX 75078
    August-13-2026 | 4,403 sqft | $261/sqft | built 2011 | 6% size difference (4,403 sqft); Similar age (2011); Sold after the valuation date
    $1,149,000
  • 960 Packsaddle Trl, Prosper, TX 75078
    July-24-2026 | 4,621 sqft | $325/sqft | built 2015 | 12% size difference (4,621 sqft); Similar age (2015); Sold after the valuation date
    $1,500,000
  • 841 Wind Brook Ln, Prosper, TX 75078
    September-16-2026 | 4,382 sqft | $156/sqft | built 2005 | 6% size difference (4,382 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $684,999

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 3.4% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$881,430−$31,415−3.4%
2025$912,845−$53,320−5.5%
2024$966,165+$29,160+3.1%
2023$937,005+$127,251+15.7%
2022$809,754+$191,383+30.9%
2021$618,371+$35,853+6.2%
2020$582,518——
6-year total+$298,912+51.3%