NAICS 237990 · Other Heavy and Civil Engineering Construction

General engineering contractors in Castro Valley, CA

17 licensed general engineering contractors · every license checked against the issuer's file

More cities in California

Bakersfield 337San Francisco 307San Diego 273Sacramento 244Los Angeles 235Riverside 191San Jose 188Fresno 184Irvine 140Santa Rosa 134Corona 122Redding 119El Cajon 117Anaheim 116Oakland 111Temecula 110
1,880 listingsHow results are ordered
01

Max Construction

Dublin, CA · (510) 415-4580

CA-CSLB 910025 · A B +2General engineering contractorGeneral contractorElectrician+1
License activechecked Oct 24, 2026
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02

Mc Guire and Hester

Oakland, CA · (510) 632-7676

CA-CSLB 95879 · A B +4General engineering contractorGeneral contractorExcavation, grading and paving+2
License activechecked Oct 24, 2026
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05

Mcguire & Hester

Oakland, CA

US-GSA-SAM L414QNYHF5H5General engineering contractor
License activechecked Oct 23, 2026
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06

Mcrae K M Inc

Hayward, CA · (510) 537-6539

CA-CSLB 424355 · A C13 +3General engineering contractorFence contractorWell drilling contractor+1
License activechecked Oct 24, 2026
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10

Modutecture Inc

Hayward, CA · (650) 444-4440

CA-CSLB 1067380 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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13

Monterey Mechanical Co

Oakland, CA · (510) 632-3173

CA-CSLB 388361 · A B +7General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 24, 2026
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14

Norcal Rock Inc

Oakland, CA · (510) 636-9860

CA-CSLB 915550 · A C21General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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17

Olson and Co Steel

San Leandro, CA · (510) 567-2200

CA-CSLB 453003 · A B +1General engineering contractorGeneral contractorSteel and welding contractor
License activechecked Oct 24, 2026
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19

P J Plumbing Inc

Oakland, CA · (510) 415-5774

CA-CSLB 992574 · A B +3General engineering contractorGeneral contractorConcrete contractor+2
License activechecked Oct 24, 2026
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20

Pac Bay Environmental Services Inc

Oakland, CA · (510) 947-2800

CA-CSLB 1034033 · A ASB +3General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+1
License activechecked Oct 24, 2026
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