Collin Value

6621 Betlam St, Mckinney, TX 75070

3,451 sqft, built 2019, in Barcelona Addition. Appraised at $691,889 for 2026.

Collin County account 2800439

Appraised value
$691,889
Tax year 2026
Living area
3,451 sqft
$200 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 75070, Barcelona Addition, 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 11.1% from $778,252 in 2025 to $691,889 in 2026.
  • Appraised value per square footThe current public record shows about $200 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Barcelona Addition neighborhood and ZIP 75070.
  • Neighborhood value signalAmong 320 residential records in the same neighborhood, the average appraised value is about $215 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -10.9% on average.

Comparable assessments

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

  • 4304 Querida Ave, Mckinney, TX 75070
    3,460 sqft | $196/sqft | built 2018 | Similar size (3,460 vs 3,451 sqft); Similar age (2018 vs 2019); Similar lot size (6,000 vs 6,000 sqft)
    $678,270
  • 4405 Avenida Ln, Mckinney, TX 75070
    3,459 sqft | $193/sqft | built 2017 | Similar size (3,459 vs 3,451 sqft); Similar age (2017 vs 2019); Similar lot size (6,000 vs 6,000 sqft)
    $668,000
  • 4420 Querida Ave, Mckinney, TX 75070
    3,459 sqft | $196/sqft | built 2017 | Similar size (3,459 vs 3,451 sqft); Similar age (2017 vs 2019); Similar lot size (6,000 vs 6,000 sqft)
    $679,554
  • 6629 Betlam St, Mckinney, TX 75070
    3,499 sqft | $200/sqft | built 2019 | Similar size (3,499 vs 3,451 sqft); Built same year (2019); Similar lot size (6,000 vs 6,000 sqft)
    $700,772
  • 4524 Del Rey Ave, Mckinney, TX 75070
    3,454 sqft | $190/sqft | built 2017 | Similar size (3,454 vs 3,451 sqft); Similar age (2017 vs 2019); Similar lot size (6,079 vs 6,000 sqft)
    $656,169

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.

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 11.1% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$691,889−$86,363−11.1%
2025$778,252+$32,177+4.3%
2024$746,075−$12,200−1.6%
2023$758,275+$105,528+16.2%
2022$652,747+$183,953+39.2%
2021$468,794+$55,076+13.3%
2020$413,718——
6-year total+$278,171+67.2%