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

02

Bonetti Frank Plumbing Inc

Castro Valley, CA · (510) 582-0934

CA-CSLB 251165 · C4 C20 +3PlumberHeating and air conditioningGeneral engineering contractor+1
License activechecked Oct 24, 2026
05

M Bar M Excavation

Castro Valley, CA · (510) 731-9967

CA-CSLB 1072700 · C12Excavation, grading and paving
License activechecked Oct 24, 2026
06

Morningside Builders

Castro Valley, CA · (925) 997-1010

CA-CSLB 864558 · B C12General contractorExcavation, grading and paving
License activechecked Oct 24, 2026
08

Owen

Castro Valley, CA · (510) 583-0984

CA-CSLB 395410 · A B +1General engineering contractorGeneral contractorExcavation, grading and paving
License activechecked Oct 24, 2026
09

Streamline Plumbing & Drain Co

Castro Valley, CA · (510) 481-0380

CA-CSLB 672250 · A C36 +1General engineering contractorPlumberExcavation, grading and paving
License activechecked Oct 24, 2026
15

Finch Plumbing & Sewer

San Leandro, CA · (510) 703-4840

CA-CSLB 1148938 · C36 C42PlumberExcavation, grading and paving
License activechecked Oct 24, 2026
17

Mtb Demolition

San Lorenzo, CA · (510) 719-7652

CA-CSLB 1088247 · B C21General contractorExcavation, grading and paving
License activechecked Oct 24, 2026
19

Penkor Wrecking

San Lorenzo, CA · (341) 208-8855

CA-CSLB 1094975 · A B +3General engineering contractorGeneral contractorExcavation, grading and paving+1
License activechecked Oct 24, 2026
20

Pipe Rooter

Hayward, CA · (510) 485-1758

CA-CSLB 1106051 · C36 C42PlumberExcavation, grading and paving
License activechecked Oct 24, 2026