NAICS 238910 · Site Preparation Contractors

Excavation, grading and paving in Castro Valley, CA

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

41

T 4 Company

Oakland, CA · (510) 813-7600

CA-CSLB 984213 · ASB B +3Asbestos and hazardous materials abatementGeneral contractorCarpenter+1
License activechecked Oct 24, 2026
43

The Plumbing Ministry

San Leandro, CA · (510) 430-1853

CA-CSLB 894946 · C12 C36 +1Excavation, grading and pavingPlumber
License activechecked Oct 24, 2026
45

Toto's Plumbing Inc

Oakland, CA · (510) 292-6558

CA-CSLB 1001580 · C36 C42PlumberExcavation, grading and paving
License activechecked Oct 24, 2026
46

Underground Rooter

Oakland, CA · (510) 866-5157

CA-CSLB 1076659 · C42Excavation, grading and paving
License activechecked Oct 24, 2026
47

Verdemo Demolition

Oakland, CA · (415) 516-3444

CA-CSLB 1086329 · C21Excavation, grading and paving
License activechecked Oct 24, 2026
48

Warriors Plumbing

Oakland, CA · (510) 467-4536

CA-CSLB 1040009 · C36 C42PlumberExcavation, grading and paving
License activechecked Oct 24, 2026
49

Challenge Rooter

Oakland, CA · (510) 877-2050

CA-CSLB 1008865 · A C42General engineering contractorExcavation, grading and paving
License jdg entity suspchecked Oct 24, 2026
54

Bay Demo

Walnut Creek, CA · (510) 978-9010

CA-CSLB 1055298 · C21Excavation, grading and paving
License activechecked Oct 24, 2026
56

Certa Engineering

Oakland, CA · (510) 470-1002

CA-CSLB 980022 · A B +2General engineering contractorGeneral contractorConcrete contractor+1
License activechecked Oct 24, 2026
58

D's General Engineering

Oakland, CA · (510) 706-5711

CA-CSLB 1084159 · A C12 +1General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
59

Diablo Striping Inc

Walnut Creek, CA · (925) 262-3001

CA-CSLB 936257 · C32Excavation, grading and paving
License activechecked Oct 24, 2026
60

Dig This Inc

Walnut Creek, CA · (925) 673-9405

CA-CSLB 742485 · C12Excavation, grading and paving
License activechecked Oct 24, 2026