Collin Value

328 Blackthorne Dr, Plano, TX 75074

2,035 sqft, built 2022, in Plano Gateway Phase 1. Appraised at $439,000 for 2026.

Collin County account 2851138

Appraised value
$439,000
Tax year 2026
Living area
2,035 sqft
$216 per sqft
Year built
2022
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 75074 and Plano Gateway Phase 1 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 8.0% from $477,000 in 2025 to $439,000 in 2026.
  • Appraised value per square footThe current public record shows about $216 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Plano Gateway Phase 1 neighborhood and ZIP 75074.
  • Neighborhood value signalAmong 116 residential records in the same neighborhood, the average appraised value is about $226 per square foot.

Comparable assessments

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

  • 340 Greenhouse Dr, Plano, TX 75074
    2,035 sqft | $216/sqft | built 2022 | Similar size (2,035 vs 2,035 sqft); Built same year (2022); Similar lot size (1,611 vs 1,611 sqft)
    $439,000
  • 324 Greenhouse Dr, Plano, TX 75074
    2,035 sqft | $226/sqft | built 2022 | Similar size (2,035 vs 2,035 sqft); Built same year (2022); Similar lot size (1,611 vs 1,611 sqft)
    $459,000
  • 3529 Declan Dr, Plano, TX 75074
    2,035 sqft | $235/sqft | built 2022 | Similar size (2,035 vs 2,035 sqft); Built same year (2022); Similar lot size (1,611 vs 1,611 sqft)
    $478,377
  • 321 Baker Dr, Plano, TX 75074
    2,013 sqft | $208/sqft | built 2022 | Similar size (2,013 vs 2,035 sqft); Built same year (2022); Similar lot size (1,611 vs 1,611 sqft)
    $419,500
  • 325 Blackthorne Dr, Plano, TX 75074
    2,013 sqft | $227/sqft | built 2022 | Similar size (2,013 vs 2,035 sqft); Built same year (2022); Similar lot size (1,611 vs 1,611 sqft)
    $456,356

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.

  • 381 Blackthorne Dr, Plano, TX 75074
    August-5-2026 | 2,117 sqft | $213/sqft | built 2025 | Similar size (2,117 sqft); Similar age (2025); Sold after the valuation date
    $449,900
  • 2324 Molly Ln, Plano, TX 75074
    July-2-2026 | 2,124 sqft | $202/sqft | built 2017 | Similar size (2,124 sqft); Moderate age difference (5 years older); Sold after the valuation date
    $430,000
  • 932 Brookville Ct, Plano, TX 75074
    May-1-2026 | 2,066 sqft | $215/sqft | built 2014 | Similar size (2,066 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $445,000
  • 1645 G Ave, Plano, TX 75074
    May-27-2026 | 2,233 sqft | $246/sqft | built 2021 | 10% size difference (2,233 sqft); Similar age (2021); Sold after the valuation date
    $549,000
  • 4828 Bridgewater St, Plano, TX 75074
    September-4-2026 | 1,622 sqft | $222/sqft | built 2015 | Moderate age difference (7 years older); Sold after the valuation date
    $359,900

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 8.0% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$439,000−$38,000−8.0%
2025$477,000+$9,502+2.0%
2024$467,498+$400,498+597.8%
2022$67,000——
4-year total+$372,000+555.2%