NAICS 238220 · Plumbing, Heating, and Air-Conditioning Contractors

Fire sprinkler contractors in San Mateo, CA

7 licensed fire sprinkler contractors · every license checked against the issuer's file

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316 listingsHow results are ordered
102

Zapata Jose

Daly City, CA · (415) 574-8807

CA-CSLB 1102783 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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103

A Plumbing Company

San Francisco, CA · (415) 713-3186

CA-CSLB 867118 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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104

Ace Plumbing & Rooter

San Francisco, CA · (415) 824-6444

CA-CSLB 829071 · A B +4General engineering contractorGeneral contractorPlumber+2
License activechecked Oct 24, 2026
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107

Alliance Fire Inc

Oakland, CA · (510) 385-5680

CA-CSLB 975730 · C16Fire sprinkler contractor
License activechecked Oct 24, 2026
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108

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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110

Andy Hl Construction Inc

San Francisco, CA · (415) 816-6677

CA-CSLB 1125249 · B C16 +1General contractorFire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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112

Aspen Contractors Inc

San Francisco, CA · (415) 442-1818

CA-CSLB 487320 · B C10 +4General contractorElectricianFire sprinkler contractor+2
License activechecked Oct 24, 2026
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113

Aura Fire Safety

San Francisco, CA · (415) 333-2588

CA-CSLB 1116233 · C10 C16ElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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119

Chen's H Plumbing

San Francisco, CA · (415) 831-2661

CA-CSLB 516866 · C4 C16 +1PlumberFire sprinkler contractor
License activechecked Oct 24, 2026
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120

Chen Tom Hong Contractor

San Francisco, CA · (415) 710-9800

CA-CSLB 828527 · B C10 +2General contractorElectricianFire sprinkler contractor+1
License activechecked Oct 24, 2026
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