C-61/D-51 Limited specialty: waterproofings in California
A narrow trade the board licenses under the C-61 limited specialty class: waterproofing. This is an older subcategory the board no longer issues; licenses that hold it keep it. California has 50 licenses with this classification on file, 49 of them active and 1 suspended.
By city
Cities with at least 3 active licenses, by the address on file with the state. Contractors often work well beyond their home city.
Recently suspended
Licenses with this classification that the state's file shows as suspended, most recently updated first.