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

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1,880 listingsHow results are ordered
108

Dig & Demo Inc

San Ramon, CA · (877) 933-4448

CA-CSLB 993947 · A C21General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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109

Downtime Trails

San Leandro, CA · (510) 910-9383

CA-CSLB 1131454 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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113

East Bay Sewer Inc

Oakland, CA · (510) 309-7544

CA-CSLB 1135344 · A C42General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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114

Eastmont Builders Inc

Hayward, CA · (510) 827-6312

CA-CSLB 1048977 · A BGeneral engineering contractorGeneral contractor
License activechecked Oct 24, 2026
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116

Economy Rooter & Plumbing Inc

Oakland, CA · (510) 383-6260

CA-CSLB 1039625 · A C36 +1General engineering contractorPlumberExcavation, grading and paving
License activechecked Oct 24, 2026
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117

Emergency Rooter

Oakland, CA · (510) 388-0567

CA-CSLB 729165 · A C42General engineering contractorExcavation, grading and paving
License activechecked Oct 24, 2026
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120

Enviroliners

Oakland, CA · (510) 536-7835

CA-CSLB 476628 · AGeneral engineering contractor
License activechecked Oct 24, 2026
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