Collin Value

512 Port Isabel Ln, Mckinney, TX 75071

2,512 sqft, built 2019, in Highlands At Westridge Phase 1 The. Appraised at $577,893 for 2026.

Collin County account 2744257

Appraised value
$577,893
Tax year 2026
Living area
2,512 sqft
$230 per sqft
Year built
2019
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 75071, Highlands At Westridge Phase 1 The, and McKinney 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 6.5% from $617,776 in 2025 to $577,893 in 2026.
  • Appraised value per square footThe current public record shows about $230 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Highlands At Westridge Phase 1 The neighborhood and ZIP 75071.
  • Neighborhood value signalAmong 140 residential records in the same neighborhood, the average appraised value is about $208 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -6.5% on average.

Comparable assessments

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

  • 500 Antelope Ct, Mckinney, TX 75071
    2,512 sqft | $233/sqft | built 2020 | Similar size (2,512 vs 2,512 sqft); Similar age (2020 vs 2019); Similar lot size (8,522 vs 8,434 sqft)
    $584,955
  • 10808 Marfa Way, Mckinney, TX 75071
    2,526 sqft | $224/sqft | built 2017 | Similar size (2,526 vs 2,512 sqft); Similar age (2017 vs 2019); Similar lot size (8,561 vs 8,434 sqft)
    $565,000
  • 104 Antelope Ct, Mckinney, TX 75071
    2,526 sqft | $233/sqft | built 2017 | Similar size (2,526 vs 2,512 sqft); Similar age (2017 vs 2019); Similar lot size (8,306 vs 8,434 sqft)
    $588,380
  • 10704 Marfa Way, Mckinney, TX 75071
    2,512 sqft | $228/sqft | built 2019 | Similar size (2,512 vs 2,512 sqft); Built same year (2019); Lot 13% smaller (7,338 vs 8,434 sqft)
    $571,681
  • 209 Pasadena Trl, Mckinney, TX 75071
    2,439 sqft | $233/sqft | built 2015 | Similar size (2,439 vs 2,512 sqft); Similar age (2015 vs 2019); Similar lot size (8,960 vs 8,434 sqft)
    $569,422

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.

  • 1428 Hoyt Dr, Mckinney, TX 75071
    August-3-2026 | 2,523 sqft | $220/sqft | built 2019 | Similar size (2,523 sqft); Similar age (2019); Sold after the valuation date
    $555,000
  • 7800 Rockledge Dr, Mckinney, TX 75071
    September-18-2026 | 2,513 sqft | $215/sqft | built 2011 | Similar size (2,513 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $540,000
  • 4820 Woodruff Ln, Mckinney, TX 75071
    June-2-2026 | 2,519 sqft | $256/sqft | built 2021 | Similar size (2,519 sqft); Similar age (2021); Sold after the valuation date
    $645,000
  • 600 Courtney Ln, Mckinney, TX 75071
    September-2-2026 | 2,488 sqft | $213/sqft | built 2002 | Similar size (2,488 sqft); Sold after the valuation date
    $529,900
  • 8020 Prentiss Dr, Mckinney, TX 75071
    June-30-2026 | 2,561 sqft | $263/sqft | built 2011 | Similar size (2,561 sqft); Moderate age difference (8 years older); Sold after the valuation date
    $673,000

Public appraisal comparison for 2026. Prepared . Appraisal source: Collin Central Appraisal District. Sales data checked in this snapshot: . Showing the last prepared sales evidence while recent sales are refreshed. Matches consider available size, age, location and property characteristics. How comparisons work.

Value history

Down 6.5% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$577,893−$39,883−6.5%
2025$617,776+$8,470+1.4%
2024$609,306+$13,617+2.3%
2023$595,689+$73,718+14.1%
2022$521,971+$127,971+32.5%
2021$394,000+$28,374+7.8%
2020$365,626——
6-year total+$212,267+58.1%

Recent sale history

Recent transfers help establish whether the county value is tracking real market behavior.

  • $589,000 sale recorded on May-22-2026