Collin Value

1821 Hearthstone Ln, Prosper, TX 75078

4,454 sqft, built 2024, in Legacy Gardens Phase 2. Appraised at $1,061,268 for 2026.

Collin County account 2925768

Appraised value
$1,061,268
Tax year 2026
Living area
4,454 sqft
$238 per sqft
Year built
2024

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, Legacy Gardens 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 changed from $576,044 in 2025 to $1,061,268 in 2026. A change this large often reflects new construction, a reclassification or a record correction, so check it against the county record.
  • Appraised value per square footThe current public record shows about $238 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Legacy Gardens Phase 2 neighborhood and ZIP 75078.
  • Neighborhood value signalAmong 201 residential records in the same neighborhood, the average appraised value is about $242 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +53.3% on average.

Comparable assessments

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

  • 1631 Beverly Dr, Prosper, TX 75078
    4,434 sqft | $250/sqft | built 2025 | Similar size (4,434 vs 4,454 sqft); Similar age (2025 vs 2024); Same neighborhood
    $1,106,287
  • 1611 Wentworth Ln, Prosper, TX 75078
    4,481 sqft | $238/sqft | built 2024 | Similar size (4,481 vs 4,454 sqft); Built same year (2024); Similar lot size (14,505 vs 14,331 sqft)
    $1,066,239
  • 1900 Coppin Dr, Prosper, TX 75078
    4,434 sqft | $255/sqft | built 2025 | Similar size (4,434 vs 4,454 sqft); Similar age (2025 vs 2024); Similar lot size (13,764 vs 14,331 sqft)
    $1,130,286
  • 1741 Wynne Ave, Prosper, TX 75078
    4,291 sqft | $250/sqft | built 2023 | Similar size (4,291 vs 4,454 sqft); Similar age (2023 vs 2024); Similar lot size (14,260 vs 14,331 sqft)
    $1,071,000
  • 1331 Maplewood Dr, Prosper, TX 75078
    4,340 sqft | $242/sqft | built 2022 | Similar size (4,340 vs 4,454 sqft); Similar age (2022 vs 2024); Same neighborhood
    $1,051,461

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.

  • 1600 Wichita Dr, Prosper, TX 75078
    October-1-2026 | 4,637 sqft | $216/sqft | built 2018 | Similar size (4,637 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $1,000,000
  • 1530 Clipston Dr, Prosper, TX 75078
    July-30-2026 | 4,529 sqft | $197/sqft | built 2023 | Similar size (4,529 sqft); Similar age (2023); Sold after the valuation date
    $890,000
  • 1921 Wynne Ave, Prosper, TX 75078
    September-21-2026 | 4,680 sqft | $230/sqft | built 2023 | 5% size difference (4,680 sqft); Similar age (2023); Sold after the valuation date
    $1,075,000
  • 1640 Stillhouse Hollow Dr, Prosper, TX 75078
    July-24-2026 | 4,472 sqft | $240/sqft | built 2014 | Similar size (4,472 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $1,075,000
  • 841 Wind Brook Ln, Prosper, TX 75078
    September-16-2026 | 4,382 sqft | $156/sqft | built 2005 | Similar size (4,382 sqft); 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

Up 84.2% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$1,061,268+$485,224+84.2%
2025$576,044——
1-year total+$485,224+84.2%