Denton Value

3940 Keya Dr, Prosper, TX 75078

2,578 sqft, built 2025, in Mosaic Phase 2A Appraised at $616,012 for 2026.

Denton County account 000001058561

Appraised value
$616,012
Tax year 2026 · after any cap, before exemptions
Living area
2,578 sqft
$239 per sqft
Year built
2025
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 and Mosaic Phase 2A 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 Denton CAD records highlight what may be worth checking before you file.

  • Appraised value per square footThe current public record shows about $239 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Mosaic Phase 2A neighborhood and ZIP 75078.
  • Neighborhood value signalAmong 67 residential records in the same neighborhood, the average appraised value is about $214 per square foot.

Comparable assessments

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

  • 4428 Cotton Seed Wy, Celina, TX 75078
    2,643 sqft | $252/sqft | built 2025 | Similar size (2,643 vs 2,578 sqft); Built same year (2025); Similar lot size (7,187 vs 7,013 sqft)
    $666,684
  • 4444 Cotton Seed Wy, Celina, TX 75078
    2,588 sqft | $250/sqft | built 2025 | Similar size (2,588 vs 2,578 sqft); Built same year (2025); Similar lot size (6,490 vs 7,013 sqft)
    $646,782
  • 3932 Keya Dr, Celina, TX 75078
    2,458 sqft | $243/sqft | built 2025 | Similar size (2,458 vs 2,578 sqft); Built same year (2025); Similar lot size (6,882 vs 7,013 sqft)
    $598,378
  • 4417 Cotton Seed Wy, Celina, TX 75078
    2,763 sqft | $237/sqft | built 2025 | 7% larger (2,763 vs 2,578 sqft); Built same year (2025); Similar lot size (6,751 vs 7,013 sqft)
    $654,311
  • 4436 Daisy Ln, Celina, TX 75078
    2,578 sqft | $231/sqft | built 2025 | Similar size (2,578 vs 2,578 sqft); Built same year (2025); Lot 16% smaller (5,924 vs 7,013 sqft)
    $596,139

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.

  • 16429 Stillhouse Hollow Ct, Prosper, TX 75078
    September-23-2026 | 2,554 sqft | $190/sqft | built 2016 | Similar size (2,554 sqft); Moderate age difference (9 years older); Sold after the valuation date
    $485,000
  • 3150 Westminster Dr, Prosper, TX 75078
    September-28-2026 | 2,631 sqft | $224/sqft | built 2019 | Similar size (2,631 sqft); Moderate age difference (6 years older); Sold after the valuation date
    $589,000
  • 16116 Plum Ct, Prosper, TX 75078
    September-4-2026 | 2,396 sqft | $217/sqft | built 2017 | 7% size difference (2,396 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $519,900
  • 2780 Clearwater Dr, Prosper, TX 75078
    June-17-2026 | 2,656 sqft | $218/sqft | built 2020 | Similar size (2,656 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $580,000
  • 4170 Avocet Ln, Prosper, TX 75078
    April-27-2026 | 2,467 sqft | $262/sqft | built 2025 | Similar size (2,467 sqft); Similar age (2025); Sold after the valuation date
    $646,992

Public appraisal comparison for 2026. Prepared . Appraisal source: Denton Central Appraisal District. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.