Collin Value

512 W Erwin Ave, Mckinney, TX 75069

1,209 sqft, built 1965, in Black & Smith Addition. Appraised at $277,338 for 2026.

Collin County account 1118604

Appraised value
$277,338
Tax year 2026
Living area
1,209 sqft
$229 per sqft
Year built
1965
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 75069, Black & Smith Addition, McKinney, and Fairview 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 2.7% from $285,179 in 2025 to $277,338 in 2026.
  • Appraised value per square footThe current public record shows about $229 per square foot before any comparable-property adjustments.
  • Nearby comparison areaThis page starts the equity review with public records for the Black & Smith Addition neighborhood and ZIP 75069.
  • Neighborhood value signalAmong 1,765 residential records in the same neighborhood, the average appraised value is about $238 per square foot.
  • Area year-over-year signalNearby residential records with prior-year values moved about -1.7% on average.

Comparable assessments

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

  • 141 Azalea Ln, Mckinney, TX 75069
    1,223 sqft | $262/sqft | built 1971 | Similar size (1,223 vs 1,209 sqft); Similar lot size (8,713 vs 8,525 sqft); Same neighborhood
    $320,924
  • 834 Inwood Dr, Mckinney, TX 75069
    1,211 sqft | $256/sqft | built 1970 | Similar size (1,211 vs 1,209 sqft); Similar age (1970 vs 1965); Similar lot size (8,988 vs 8,525 sqft)
    $310,402
  • 1406 N Waddill St, Mckinney, TX 75069
    1,232 sqft | $203/sqft | built 1960 | Similar size (1,232 vs 1,209 sqft); Similar age (1960 vs 1965); Similar lot size (8,756 vs 8,525 sqft)
    $250,422
  • 824 Inwood Dr, Mckinney, TX 75069
    1,190 sqft | $270/sqft | built 1958 | Similar size (1,190 vs 1,209 sqft); Similar lot size (8,380 vs 8,525 sqft); Same neighborhood
    $321,618
  • 1408 N Waddill St, Mckinney, TX 75069
    1,239 sqft | $202/sqft | built 1960 | Similar size (1,239 vs 1,209 sqft); Similar age (1960 vs 1965); Similar lot size (8,755 vs 8,525 sqft)
    $249,967

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.

  • 1229 Westmoreland Dr, Mckinney, TX 75069
    August-13-2026 | 1,270 sqft | $240/sqft | built 1968 | 5% size difference (1,270 sqft); Similar age (1968); Sold after the valuation date
    $305,000
  • 205 S Morris St, Mckinney, TX 75069
    June-30-2026 | 1,088 sqft | $345/sqft | built 1971 | 10% size difference (1,088 sqft); Moderate age difference (6 years newer); Sold after the valuation date
    $375,000
  • 1816 W Josephine St, Mckinney, TX 75069
    August-6-2026 | 1,347 sqft | $245/sqft | built 1968 | 11% size difference (1,347 sqft); Similar age (1968); Sold after the valuation date
    $329,900
  • 1308 Sherman St, Mckinney, TX 75069
    July-20-2026 | 1,176 sqft | $234/sqft | built 1945 | Similar size (1,176 sqft); Sold after the valuation date
    $275,000
  • 803 Inwood Dr, Mckinney, TX 75069
    May-6-2026 | 1,344 sqft | $231/sqft | built 1955 | 11% size difference (1,344 sqft); Moderate age difference (10 years older); Sold after the valuation date
    $310,000

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 2.7% in 2026 from 2025.

Appraised value by tax year, with the change from the previous year listed
Tax yearAppraised valueChangeChange %
2026$277,338−$7,841−2.7%
2025$285,179−$31,856−10.0%
2024$317,035+$410.0%
2023$316,994+$51,439+19.4%
2022$265,555+$41,464+18.5%
2021$224,091+$90,167+67.3%
2020$133,924——
6-year total+$143,414+107.1%