Collin Value

3817 Dahlia Garden Dr, Prosper, TX 75078

3,696 sqft, built 2021, in Lilyana Phase 7. Appraised at $642,528 for 2026.

Collin County account 2826466

Appraised value
$642,528
Tax year 2026
Living area
3,696 sqft
$174 per sqft
Year built
2021
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, Lilyana Phase 7, 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 14.4% from $750,745 in 2025 to $642,528 in 2026.
  • Appraised value per square footThe current public record shows about $174 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Lilyana Phase 7 neighborhood and ZIP 75078.
  • Neighborhood value signalAmong 1,230 residential records in the same neighborhood, the average appraised value is about $191 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +13.0% on average.

Comparable assessments

Showing 5 of the 8 similar homes in this property's equity comparison, from public appraisal records.

  • 1629 Daylily Way, Prosper, TX 75078
    3,691 sqft | $172/sqft | built 2022 | Similar size (3,691 vs 3,696 sqft); Similar age (2022 vs 2021); Similar lot size (8,799 vs 8,842 sqft)
    $635,000
  • 4425 Ginger Rd, Prosper, TX 75078
    3,687 sqft | $174/sqft | built 2019 | Similar size (3,687 vs 3,696 sqft); Similar age (2019 vs 2021); Same neighborhood
    $643,289
  • 3612 Dahlia Garden Dr, Prosper, TX 75078
    3,673 sqft | $176/sqft | built 2023 | Similar size (3,673 vs 3,696 sqft); Similar age (2023 vs 2021); Similar lot size (8,929 vs 8,842 sqft)
    $644,696
  • 1644 Foxglove Ln, Prosper, TX 75078
    3,731 sqft | $175/sqft | built 2023 | Similar size (3,731 vs 3,696 sqft); Similar age (2023 vs 2021); Similar lot size (8,799 vs 8,842 sqft)
    $654,231
  • 3512 Daffodil Rd, Prosper, TX 75078
    3,722 sqft | $172/sqft | built 2023 | Similar size (3,722 vs 3,696 sqft); Similar age (2023 vs 2021); Similar lot size (8,929 vs 8,842 sqft)
    $640,740

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.

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 14.4% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$642,528−$108,217−14.4%
2025$750,745+$9,745+1.3%
2024$741,000−$9,000−1.2%
2023$750,000+$212,845+39.6%
2022$537,155+$471,320+715.9%
2021$65,835——
5-year total+$576,693+876.0%