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
1,826 listingsHow results are ordered
02

Safe Cone Zone Inc

Hayward, CA · (800) 676-1350

CA-CSLB 1047919 · C31General engineering contractor
License activechecked Oct 24, 2026
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04

3Vi Inc

San Ramon, CA · (925) 236-0170

CA-CSLB 1136949 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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05

A+ Contractor Inc

San Leandro, CA · (510) 472-4589

CA-CSLB 1157033 · A C8General engineering contractorConcrete contractor
License activechecked Oct 24, 2026
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06

Absl Construction

Hayward, CA · (510) 727-0900

CA-CSLB 621781 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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08

Adams Carolyn a

Dublin, CA · (925) 640-0638

CA-CSLB 669918 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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10

Alarcon Bohm Corp

Oakland, CA · (510) 719-7600

CA-CSLB 680187 · A ASB +5General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+2
License activechecked Oct 24, 2026
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12

Alco Iron & Metal Co

San Leandro, CA · (510) 562-1107

CA-CSLB 293917 · A B +1General engineering contractorGeneral contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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13

Algebra Probuild Inc

San Leandro, CA · (415) 635-5585

CA-CSLB 1152344 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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14

Allied Fire Protection

Oakland, CA · (510) 533-5516

CA-CSLB 251700 · C12 C16 +2Excavation, grading and pavingFire sprinkler contractorGeneral engineering contractor+1
License activechecked Oct 24, 2026
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15

Alpha & the Omega the

Oakland, CA · (510) 875-9206

CA-CSLB 1050422 · A C8 +1General engineering contractorConcrete contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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16

Amer Construction Inc

San Ramon, CA · (510) 367-4548

CA-CSLB 1105366 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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18

American Precision Builders

Alameda, CA · (510) 827-7684

CA-CSLB 680013 · A B +1General engineering contractorGeneral contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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19

Amg Excavating Inc

Danville, CA · (925) 570-4630

CA-CSLB 1020169 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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