Classification D-30
Pile Driving and Pressure Foundation Jacking
79 California contractors hold a clear D-30 license. 1 more hold one that is suspended or not clear.
Jobs a D-30 may take
“With a condition” means the license may take the job only in some circumstances — each job page spells them out.
By city 1
Cities with fewer than five clear licenses aren’t listed. Source: CSLB public records, refreshed weekly.