Collin Value

44a Rhea Mills Cir, Prosper, TX 75078

1,822 sqft, built 1984, in Collin Green. Appraised at $690,081 for 2026.

Collin County account 1651901

Possibly too high

about $14,000

8 similar homes nearby point to a value about $14,000 lower than yours.

Appraised value$690,081
Similar homes$675,998
$14,083 gap · bars start at $0

How sure: High · 8 similar homes (5 shown below) · public records only

Appraised value
$690,081
Tax year 2026
Living area
1,822 sqft
$379 per sqft
Year built
1984
Homestead
Yes
Owner-occupied exemption on file

Why we think so

Unequal assessment

Moderate

8 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $357.11/sqft, but land is valued apart from the home, and some of them have less land value per square foot of home than yours, which counts as $340,389. Counting your land in place of theirs where theirs is less, they support a value of $675,998.

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 22.5% from $563,256 in 2025 to $690,081 in 2026.
  • Appraised value per square footThe current public record shows about $379 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

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

  • 102 Collin Ct, Prosper, TX 75078
    1,834 sqft | $362/sqft | built 1988 | Similar size (1,834 vs 1,822 sqft); Similar age (1988 vs 1984); Similar lot size (47,393 vs 47,071 sqft)
    $664,223
  • 25a Rhea Mills Cir, Prosper, TX 75078
    1,872 sqft | $357/sqft | built 1985 | Similar size (1,872 vs 1,822 sqft); Similar age (1985 vs 1984); Similar lot size (44,240 vs 47,071 sqft)
    $668,518
  • 16b Grindstone Dr, Prosper, TX 75078
    1,746 sqft | $364/sqft | built 1985 | Similar size (1,746 vs 1,822 sqft); Similar age (1985 vs 1984); Similar lot size (49,153 vs 47,071 sqft)
    $635,008
  • 7b Rhea Mills Cir, Prosper, TX 75078
    1,874 sqft | $323/sqft | built 1985 | Similar size (1,874 vs 1,822 sqft); Similar age (1985 vs 1984); Similar lot size (43,935 vs 47,071 sqft)
    $605,425
  • 2a Rhea Mills Cir, Prosper, TX 75078
    1,867 sqft | $335/sqft | built 1986 | Similar size (1,867 vs 1,822 sqft); Similar age (1986 vs 1984); Similar lot size (43,943 vs 47,071 sqft)
    $624,528

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.

  • 1712 Colonial Ct, Prosper, TX 75078
    June-9-2026 | 1,664 sqft | $195/sqft | built 1986 | 9% size difference (1,664 sqft); Similar age (1986); Sold after the valuation date
    $325,000

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 22.5% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$690,081+$126,825+22.5%
2025$563,256−$5,527−1.0%
2024$568,783−$14,217−2.4%
2023$583,000+$82,562+16.5%
2022$500,438+$105,438+26.7%
2021$395,000+$28,085+7.7%
2020$366,915——
6-year total+$323,166+88.1%