Collin Value

710 Hallmark Ct, Prosper, TX 75078

3,648 sqft, built 2018, in Star Trail Phase One B. Appraised at $1,078,000 for 2026.

Collin County account 2766157

Appraised value
$1,078,000
Tax year 2026
Living area
3,648 sqft
$296 per sqft
Year built
2018
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, Star Trail Phase One B, 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 8.8% from $991,000 in 2025 to $1,078,000 in 2026.
  • Appraised value per square footThe current public record shows about $296 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Star Trail Phase One B neighborhood and ZIP 75078.
  • Neighborhood value signalAmong 422 residential records in the same neighborhood, the average appraised value is about $289 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about +3.8% on average.

Comparable assessments

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

  • 1850 Autumnwood Ct, Prosper, TX 75078
    3,630 sqft | $319/sqft | built 2021 | Similar size (3,630 vs 3,648 sqft); Similar age (2021 vs 2018); Similar lot size (12,632 vs 12,581 sqft)
    $1,157,085
  • 1721 Milton Dr, Prosper, TX 75078
    3,633 sqft | $309/sqft | built 2019 | Similar size (3,633 vs 3,648 sqft); Similar age (2019 vs 2018); Similar lot size (12,196 vs 12,581 sqft)
    $1,121,000
  • 1590 Cottonwood Trl, Prosper, TX 75078
    3,657 sqft | $316/sqft | built 2020 | Similar size (3,657 vs 3,648 sqft); Similar age (2020 vs 2018); Similar lot size (12,196 vs 12,581 sqft)
    $1,155,000
  • 1811 Milton Dr, Prosper, TX 75078
    3,652 sqft | $310/sqft | built 2020 | Similar size (3,652 vs 3,648 sqft); Similar age (2020 vs 2018); Similar lot size (13,068 vs 12,581 sqft)
    $1,132,000
  • 2050 Cornell Dr, Prosper, TX 75078
    3,630 sqft | $295/sqft | built 2021 | Similar size (3,630 vs 3,648 sqft); Similar age (2021 vs 2018); Similar lot size (12,196 vs 12,581 sqft)
    $1,070,000

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.

  • 1600 Cottonwood Trl, Prosper, TX 75078
    August-24-2026 | 3,600 sqft | $290/sqft | built 2019 | Similar size (3,600 sqft); Similar age (2019); Sold after the valuation date
    $1,045,000
  • 1708 Bridgewater Blvd, Celina, TX 75078
    August-17-2026 | 3,669 sqft | $259/sqft | built 2026 | Similar size (3,669 sqft); Moderate age difference (8 years newer); Sold after the valuation date
    $949,000
  • 1831 Lexington Ave, Prosper, TX 75078
    July-20-2026 | 3,594 sqft | $260/sqft | built 2019 | Similar size (3,594 sqft); Similar age (2019); Sold after the valuation date
    $935,000
  • 520 Devonshire Dr, Prosper, TX 75078
    September-16-2026 | 3,641 sqft | $206/sqft | built 2010 | Similar size (3,641 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $749,950
  • 851 White River Dr, Prosper, TX 75078
    September-4-2026 | 3,663 sqft | $191/sqft | built 2010 | Similar size (3,663 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $699,000

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 8.8% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$1,078,000+$87,000+8.8%
2025$991,000−$143,000−12.6%
2024$1,134,000+$20,654+1.9%
2023$1,113,346+$291,388+35.5%
2022$821,958+$154,219+23.1%
2021$667,739+$32,753+5.2%
2020$634,986——
6-year total+$443,014+69.8%