NAICS 238910 · Site Preparation Contractors

Excavation, grading and paving in Berkeley, CA

12 licensed excavation, grading and paving · every license checked against the issuer's file

206

Cm Plumbing Inc

Vallejo, CA · (707) 280-9093

CA-CSLB 923674 · C36 C42PlumberExcavation, grading and paving
License activechecked Oct 24, 2026
209

Conflo Services Inc

Hayward, CA · (510) 732-6695

CA-CSLB 965030 · A ASB +4General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+1
License activechecked Oct 24, 2026
211

Davis Peter a

San Rafael, CA · (415) 298-4561

CA-CSLB 549628 · A B +2General engineering contractorGeneral contractorExcavation, grading and paving+1
License activechecked Oct 24, 2026
212

Demomex

Concord, CA · (925) 586-5461

CA-CSLB 1115427 · C21Excavation, grading and paving
License activechecked Oct 24, 2026
213

Diablo Striping Inc

Walnut Creek, CA · (925) 262-3001

CA-CSLB 936257 · C32Excavation, grading and paving
License activechecked Oct 24, 2026
214

Dig & Demo Inc

San Ramon, CA · (877) 933-4448

CA-CSLB 993947 · A C21General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
215

Division 1 Demolition

South San Francisco, CA · (650) 222-7526

CA-CSLB 1149443 · C21Excavation, grading and paving
License activechecked Oct 24, 2026
216

Dmz Builders

Concord, CA · (925) 826-5387

CA-CSLB 986594 · A B +2General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026