M N Construction INC

License #833589 · activelicensed since 2004Bbased in San Franciscobond $25kworkers’ comp: carrierYelp4.6(9 reviews)

Named as contractor on 2 ADU projects in San Francisco (and 26 permits of any kind). Verify at CSLB before hiring.

ADU projects
2
1 garage conversion · 1 ground-floor conversion
Declared cost (middle half)
$246k–$265k
median $255k
Build time
1 year 6 months
median, issued → completed
Open · finished
1 · 1

Their ADU projects

  1. 667 7th AveInner Richmond
    Converted · garage conversionCompleted9 permitsdeclared $237k
    filed Jun 2023permit 5 monthsbuilt 1 year 6 months · done May 2025
    ADU permit 202306150219 · city record · flagged ADU by SF DBI
  2. Converted · ground-floor conversionPermit issued, in progress11 permitsdeclared $274k + other work
    filed Apr 2021permit 1 year 7 months4 years since issue
    ADU permit 202104128307 · city record · identified from permit text, two reviewers agree

Each row is one project: the ADU permit plus its revisions, sub-permits and trade permits. Dates are the city’s.