NAICS 237110 · Water and Sewer Line and Related Structures Construction

Well drilling contractors in Castro Valley, CA

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42 listingsHow results are ordered
02

Condon-Johnson & Associates Inc

Oakland, CA · (510) 636-2100

CA-CSLB 300068 · A C57 +2General engineering contractorWell drilling contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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03

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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09

Blue Flame Crew West LLC

Danville, CA · (630) 225-4286

CA-CSLB 993502 · A C57General engineering contractorWell drilling contractor
License activechecked Oct 24, 2026
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11

Expert Tree Service

Orinda, CA · (925) 254-8733

CA-CSLB 621402 · A C21 +3General engineering contractorExcavation, grading and pavingLandscaper+2
License activechecked Oct 24, 2026
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12

Ferma Corporation

Newark, CA · (650) 961-2742

CA-CSLB 236337 · A ASB +5General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+2
License activechecked Oct 24, 2026
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13

Imx Inc

Oakland, CA · (510) 715-3999

CA-CSLB 537261 · A ASB +4General engineering contractorAsbestos and hazardous materials abatementGeneral contractor+2
License activechecked Oct 24, 2026
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15

Benevent Building

Concord, CA · (925) 595-5338

CA-CSLB 798269 · A B +1General engineering contractorGeneral contractorWell drilling contractor
License activechecked Oct 24, 2026
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16

Ciaran Crossan

South San Francisco, CA · (415) 559-0607

CA-CSLB 1136311 · C57Well drilling contractor
License activechecked Oct 24, 2026
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17

Con-Quest Contractors Inc

Burlingame, CA · (415) 206-0524

CA-CSLB 818668 · A B +3General engineering contractorGeneral contractorWell drilling contractor+1
License activechecked Oct 24, 2026
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20

Geostructural Engineering Inc

Pleasant Hill, CA · (707) 322-3507

CA-CSLB 1062689 · A C57 +1General engineering contractorWell drilling contractorAsbestos and hazardous materials abatement
License activechecked Oct 24, 2026
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