Question 1

How many window & siding contractors in Marin County, CA are on Proven Pros?

Accepted Answer

7 window & siding contractors in Marin County have a permit-verified track record, ranked by real building-permit history.

Question 2

How are window & siding contractors in Marin County verified?

Accepted Answer

Each one is matched to public building permits pulled in Marin County, CA. Job counts and project values come from those permits, never from self-reported claims.

7 Window & siding contractors in Marin County, CA