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

Fire sprinkler contractors in Hayward, CA

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

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359 listingsHow results are ordered
142

Flow Masters Plumbing Inc

Daly City, CA · (415) 751-1933

CA-CSLB 966337 · C16 C20 +1Fire sprinkler contractorHeating and air conditioningPlumber
License activechecked Oct 24, 2026
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147

Gucho Plumbing

San Francisco, CA · (415) 573-5765

CA-CSLB 554666 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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148

H & Z Construction Inc

Daly City, CA · (415) 310-2668

CA-CSLB 1058914 · A B +5General engineering contractorGeneral contractorElectrician+2
License activechecked Oct 24, 2026
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150

Hao Qiang Construction

San Francisco, CA · (415) 503-8787

CA-CSLB 851913 · B C10 +1General contractorElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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151

Hong Wei Construction Inc

San Francisco, CA · (415) 297-3288

CA-CSLB 946861 · B C10 +2General contractorElectricianFire sprinkler contractor+1
License activechecked Oct 24, 2026
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152

International Fire Inc

San Francisco, CA · (415) 643-1767

CA-CSLB 965370 · C10 C16ElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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153

Jay Construction

Berkeley, CA · (510) 715-4024

CA-CSLB 633673 · A B +1General engineering contractorGeneral contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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154

K C Plumb Service Inc

San Francisco, CA · (650) 888-1222

CA-CSLB 886504 · C16 C36Fire sprinkler contractorPlumber
License activechecked Oct 24, 2026
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155

Kdm Builders Inc

Los Altos, CA · (408) 218-5305

CA-CSLB 969178 · B C16General contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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156

Kelly-Son & Associates

Oakland, CA · (925) 548-6347

CA-CSLB 410248 · B C16General contractorFire sprinkler contractor
License activechecked Oct 24, 2026
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157

Kruse L J Co

Berkeley, CA · (510) 644-2497

CA-CSLB 405523 · C4 C16 +3PlumberFire sprinkler contractorHeating and air conditioning+1
License activechecked Oct 24, 2026
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159

Li Wei Tang

San Francisco, CA · (415) 999-9781

CA-CSLB 1123472 · C10 C16ElectricianFire sprinkler contractor
License activechecked Oct 24, 2026
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