Collin Value

42a Rhea Mills Cir, Prosper, TX 75078

2,614 sqft, built 1984, in Collin Green. Appraised at $719,922 for 2026.

Collin County account 1651885

Appraised value
$719,922
Tax year 2026
Living area
2,614 sqft
$275 per sqft
Year built
1984
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, Collin Green, 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 increased 4.9% from $686,066 in 2025 to $719,922 in 2026.
  • Appraised value per square footThe current public record shows about $275 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Collin Green neighborhood and ZIP 75078.
  • Neighborhood value signalAmong 122 residential records in the same neighborhood, the average appraised value is about $318 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +8.7% on average.

Comparable assessments

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

  • 13c Grindstone Dr, Prosper, TX 75078
    2,744 sqft | $245/sqft | built 1986 | Similar size (2,744 vs 2,614 sqft); Similar age (1986 vs 1984); Similar lot size (43,904 vs 43,878 sqft)
    $671,000
  • 3b Rhea Mills Cir, Prosper, TX 75078
    2,567 sqft | $268/sqft | built 1992 | Similar size (2,567 vs 2,614 sqft); Similar lot size (43,560 vs 43,878 sqft); Both have pool
    $689,109
  • 3c Rhea Mills Cir, Prosper, TX 75078
    2,596 sqft | $281/sqft | built 1990 | Similar size (2,596 vs 2,614 sqft); Similar lot size (44,653 vs 43,878 sqft); Same neighborhood
    $729,680
  • 22b Grindstone Dr, Prosper, TX 75078
    2,441 sqft | $302/sqft | built 1985 | 7% smaller (2,441 vs 2,614 sqft); Similar age (1985 vs 1984); Similar lot size (47,463 vs 43,878 sqft)
    $737,696
  • 5b Rhea Mills Cir, Prosper, TX 75078
    2,313 sqft | $307/sqft | built 1985 | 12% smaller (2,313 vs 2,614 sqft); Similar age (1985 vs 1984); Similar lot size (43,560 vs 43,878 sqft)
    $709,217

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

Up 4.9% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$719,922+$33,856+4.9%
2025$686,066−$12,137−1.7%
2024$698,203−$45,622−6.1%
2023$743,825+$51,347+7.4%
2022$692,478+$176,111+34.1%
2021$516,367+$105,367+25.6%
2020$411,000——
6-year total+$308,922+75.2%