Collin Value

141 St Mark Ln, Prosper, TX 75078

3,174 sqft, built 2017, in Tanner's Mill Phase 1C. Appraised at $733,636 for 2026.

Collin County account 2706956

In line with similar homes

8 similar homes nearby support a value at or above your county value.

Appraised value$733,636
Similar homes$733,797
No gap: similar homes are at or above the county value · bars start at $0

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

Appraised value
$733,636
Tax year 2026
Living area
3,174 sqft
$231 per sqft
Year built
2017
Homestead
Yes
Owner-occupied exemption on file

What we found

Unequal assessment

Weak

5 of 8 similar homes are assessed lower per square foot. Their similarity-weighted median is $230.06/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 $200,000. Counting your land in place of theirs where theirs is less, they support a value of $733,797.

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, Tanner's Mill Phase 1C, 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 1.4% from $743,984 in 2025 to $733,636 in 2026.
  • Appraised value per square footThe current public record shows about $231 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Tanner's Mill Phase 1C neighborhood and ZIP 75078.
  • Neighborhood value signalAmong 304 residential records in the same neighborhood, the average appraised value is about $224 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.5% on average.

Comparable assessments

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

  • 1541 Ramsbury Ln, Prosper, TX 75078
    3,145 sqft | $232/sqft | built 2018 | Similar size (3,145 vs 3,174 sqft); Similar age (2018 vs 2017); Similar lot size (11,610 vs 11,761 sqft)
    $728,703
  • 340 Andover Ln, Prosper, TX 75078
    3,082 sqft | $229/sqft | built 2018 | Similar size (3,082 vs 3,174 sqft); Similar age (2018 vs 2017); Similar lot size (11,695 vs 11,761 sqft)
    $705,396
  • 201 Godstone Ln, Prosper, TX 75078
    3,232 sqft | $230/sqft | built 2019 | Similar size (3,232 vs 3,174 sqft); Similar age (2019 vs 2017); Similar lot size (11,328 vs 11,761 sqft)
    $743,539
  • 140 Andover Ln, Prosper, TX 75078
    3,047 sqft | $229/sqft | built 2019 | Similar size (3,047 vs 3,174 sqft); Similar age (2019 vs 2017); Similar lot size (11,695 vs 11,761 sqft)
    $698,861
  • 241 Kingsbury Ln, Prosper, TX 75078
    3,146 sqft | $231/sqft | built 2017 | Similar size (3,146 vs 3,174 sqft); Built same year (2017); Similar lot size (10,890 vs 11,761 sqft)
    $727,399

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.

  • 1951 Harvard Ave, Prosper, TX 75078
    August-18-2026 | 3,066 sqft | $294/sqft | built 2019 | Similar size (3,066 sqft); Similar age (2019); Sold after the valuation date
    $899,900
  • 1141 White Crest Ln, Prosper, TX 75078
    September-11-2026 | 3,129 sqft | $270/sqft | built 2014 | Similar size (3,129 sqft); Similar age (2014); Sold after the valuation date
    $845,000
  • 1941 Star Trace Pkwy, Prosper, TX 75078
    September-3-2026 | 3,363 sqft | $320/sqft | built 2021 | 6% size difference (3,363 sqft); Moderate age difference (4 years newer); Sold after the valuation date
    $1,075,000
  • 500 Lake Trail Ln, Prosper, TX 75078
    September-18-2026 | 3,412 sqft | $227/sqft | built 2017 | 8% size difference (3,412 sqft); Similar age (2017); Sold after the valuation date
    $775,000
  • 4261 Rocky Ford Dr, Prosper, TX 75078
    September-8-2026 | 3,286 sqft | $254/sqft | built 2009 | Similar size (3,286 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $835,000

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

Down 1.4% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$733,636−$10,348−1.4%
2025$743,984−$20,691−2.7%
2024$764,675+$14,164+1.9%
2023$750,511+$103,650+16.0%
2022$646,861+$184,110+39.8%
2021$462,751+$33,552+7.8%
2020$429,199——
6-year total+$304,437+70.9%