Find and Invite the Best Commercial Plumbing Contractors in San Francisco, CA

Tired of outdated contact lists and the hassle of calling to check bidding intent? Simplify your bidding process with Downtobid's modern commercial contractor database. Access up-to-date, vetted profiles and ensure you connect with the right trades.

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75 Verified Plumbing companies in San Francisco, CA

Downtobid vets each subcontractor's specialties, capabilities, and contact details for complete accuracy.

DPW logo

DPW

S. San Francisco, CA 94080

DPW, Inc. is a commercial plumbing and piping company based in the San Francisco Bay Area. Founded in 1994, the company uses state-of-the-art 3D technology and has a management team with 125 years of combined experience in commercial plumbing.

Verified


4 miles from San Francisco, CA

Specializations (10)

Education

Federal Government

Financial

Government

Website

Call

WebsiteCall
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Flynn Plumbing logo

Flynn Plumbing

1870 Arnold Industrial Pl. Concord, CA 94520

Flynn Plumbing is a family-owned plumbing business based in the San Francisco Bay Area, established in 1954, with a focus on commercial services and tenant improvements, priding itself on integrity, quality, and value.

Verified


10 miles from San Francisco, CA
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Diablo Plumbing logo

Diablo Plumbing

Pleasanton, CA 94566

Diablo Plumbing Inc. is a plumbing contractor that offers a range of services including design, build, maintain, service and repair. The company is based in Pleasanton, CA and prides itself on its use of advanced technology, decades of experience, and high standard of craftsmanship.

Verified


6 miles from San Francisco, CA

Specializations (15)

Education

Federal Government

Fitness

Government

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Chris' Plumbing logo

Chris' Plumbing

Hayward, CA 94541

Chris' Plumbing is a plumbing company based in Hayward, California, offering a range of services including system design, fire sprinkler installation, and boiler installation. With over 40 years of combined experience, the company prides itself on customer satisfaction, quality work, and efficient solutions.

Verified


6 miles from San Francisco, CA

Specializations (11)

Education

Government

Grocery

Healthcare

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Lescure Company logo

Lescure Company

Concord, CA 94518

Lescure Company, Inc. is a family-based mechanical contracting company based in Northern California. Founded in 1947 by Marcel and Charlotte Lescure, the company specializes in turnkey design-build commercial plumbing and fuel oil projects.

Verified


10 miles from San Francisco, CA

Specializations (6)

Government

Healthcare

Infrastructure

Municipal Government

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TB Plumbing logo

TB Plumbing

2015 Cromart Ct. Martinez, CA 94553

TB Plumbing is a leading provider of residential and commercial plumbing services in California, boasting over 30 years of experience and a reputation for quality workmanship without the need to subcontract phases of work.

Verified


10 miles from San Francisco, CA
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Lawson Mechanical Contractors logo

Lawson Mechanical Contractors

Sacramento, CA 95829

Lawson Mechanical Contractors is Sacramento's premier mechanical contractor with over 70 years of experience, specializing in full-service commercial and industrial construction projects, including HVAC and plumbing design/build, engineering, pre-construction, and BIM/CAD fabrication. The company handles projects from pre-construction to completion and provides maintenance services afterwards, with expertise in a variety of sectors such as healthcare, education, government, and more.

Verified


52 miles from San Francisco, CA

Specializations (19)

Casino

Correctional

Education

Federal Government

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O.C. McDonald logo

O.C. McDonald

San Jose, CA 95119

O.C. McDonald Company, Inc. is a full-service mechanical contractor based in the Bay Area, specializing in HVAC, plumbing, process piping, building services, and building automation systems. The company, which has been serving the greater Silicon Valley since 1906, offers comprehensive design and installation services for commercial new construction and retrofit projects.

Verified


27 miles from San Francisco, CA

Specializations (13)

Education

Federal Government

Financial

Government

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Capitol Commercial Plumbing logo

Capitol Commercial Plumbing

California, CA 95650

Capitol Commercial Plumbing is a dependable and trustworthy plumbing service provider for commercial and industrial applications. With 28 years of experience in the construction industry, they are considered market leaders and specialize in commercial, industrial, medical/dental office plumbing and tenant improvements.

Verified


90 miles from San Francisco, CA

Specializations (10)

Education

Fitness

Healthcare

Higher education

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Mark III Construction logo

Mark III Construction

Sacramento, CA 95821

Mark III Construction, Inc., also known as M3MEP, LLC and M3Service, LLC, is a company that provides mechanical, electrical, and plumbing services, as well as fire alarm monitoring and preventative maintenance. They also offer underground utilities, virtual construction and fabrication, and MEP manufacturing, with headquarters in Sacramento and Fresno, California.

Verified


52 miles from San Francisco, CA

Specializations (20)

Casino

Correctional

Education

Federal Government

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Fuse Service logo

Fuse Service

Santa Clara, CA 95054

FUSE is a San Jose, California-based company that offers a range of services including HVAC installation and repair, refrigeration services, electrical services, and plumbing services. The company serves both residential and commercial customers and is fully insured, bonded, and licensed.

Verified


27 miles from San Francisco, CA

Specializations (5)

Education

Infrastructure

Office Building

Restaurant

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ESI logo

ESI

Santa Clara, CA 95054

Environmental Systems Inc. (ESI) is a mechanical contractor that has been providing HVAC, piping, plumbing, service, and maintenance since 1975, with a focus on customer service and satisfaction. The company, led by President and CEO Chris Enfantino and co-owner CFO Gene Enfantino, offers a full spectrum of mechanical contracting services and has been a consistent force in the plan and spec market, as well as in design/build-negotiated projects.

Verified


27 miles from San Francisco, CA

Specializations (8)

Education

Financial

Healthcare

Higher education

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Jarrett Mechanical logo

Jarrett Mechanical

Rocklin, CA 95677

Jarrett Mechanical is a commercial plumbing contractor based in Sacramento, CA, founded by Nick Jarrett, offering services to the greater Sacramento and East Bay Area regions with a commitment to excellence, integrity, and customer satisfaction.

Verified


90 miles from San Francisco, CA

Specializations (4)

Healthcare

Office Building

Restaurant

Retail - General

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Bell Products logo

Bell Products

Napa, CA 94559

Bell Products is a mechanical contractor that provides heating, air conditioning, sheet metal, and plumbing services in the North Bay Area. The company has been serving the community for over 75 years and offers services such as HVAC maintenance, A/C repairs, boiler installations, heating repairs, indoor air quality services, and duct cleaning.

Verified


29 miles from San Francisco, CA

Specializations (5)

Education

Healthcare

Office Building

Restaurant

Click to reveal
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KS Plumbing logo

KS Plumbing

3229 Fitzgerald Road Suite B Rancho Cordova, CA 95742

KS Plumbing, Inc. is a trusted plumbing company based in Northern California, offering a wide range of professional plumbing services including commercial plumbing, tenant improvements, residential construction, renovations, remodels, and design builds. Established in 2003, the company has completed thousands of projects and is committed to delivering professional expertise, exceptional customer service, and high-quality commercial plumbing and construction services in the Greater Sacramento area.

Verified


52 miles from San Francisco, CA

Specializations (13)

Education

Financial

Fitness

Government

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Related Trades

Plumbing Piping

Plumbing Equipment

Plumbing Fixtures

Gas and Vacuum Systems for Laboratory and Healthcare Facilities

What the Early Adopters are Saying About Downtobid

"We have used Downtobid for our ITBs and so far our experience has been very positive. It has saved me time on the initial page turn and I really like the number of responses we're starting to see from our subcontractors!"

Robyn LynnMRI Builders

"The first time our company was able to travel outside Atlanta! Bidding in a new market and wasn't getting any hits on Drywall. Requested a boost and with 5 days I had 2 committed bidders and 1 submission. Using them on my next project."

Zalmy KavkaFounder, ZK Builders

""I love, the personalization of it. You get it more directed towards the contractors that we need. You, make it a little more personal than putting it on Blue Book or Planhub or anything like that. You let us communicate with the subcontractors, so we can narrow it down from what you've already narrowed it down from. We get more, more specific, more detailed quotes, more the correct quotes that we're looking for from you guys as opposed to maybe other places.""

Ryan PastorEstimator at George H. Pastor and Sons General Contracting

What the Early Adopters are Saying About Downtobid

"We have used Downtobid for our ITBs and so far our experience has been very positive. It has saved me time on the initial page turn and I really like the number of responses we're starting to see from our subcontractors!"

Robyn LynnMRI Builders

"The first time our company was able to travel outside Atlanta! Bidding in a new market and wasn't getting any hits on Drywall. Requested a boost and with 5 days I had 2 committed bidders and 1 submission. Using them on my next project."

Zalmy KavkaFounder, ZK Builders

""I love, the personalization of it. You get it more directed towards the contractors that we need. You, make it a little more personal than putting it on Blue Book or Planhub or anything like that. You let us communicate with the subcontractors, so we can narrow it down from what you've already narrowed it down from. We get more, more specific, more detailed quotes, more the correct quotes that we're looking for from you guys as opposed to maybe other places.""

Ryan PastorEstimator at George H. Pastor and Sons General Contracting

FAQs

What is Downtobid and how can it help find Plumbing professionals in San Francisco, CA?

Downtobid is a platform that helps you find Plumbing contractors in San Francisco, CA and submit bid requests for your projects. You provide project details, and the contractors respond with their bids through the platform.


Requesting bids from San Francisco, CA-based Plumbing contractors

You can invite a contractor directly through our platform. Visit the contractor’s profile and click ‘Invite to Bid.’ Fill out the project details, including scope, timeline, and specific needs. Contractors in San Francisco, CA will then respond with their bids. It’s often helpful to call contractors after submitting a request, especially if your project is urgent.


Contractor verification process on Downtobid

Downtobid sets itself apart by verifying each contractor through a multi-step process. We use AI to ensure that contractor information, including trades, is accurate. We cross-check details using databases, public records, and Google Maps to confirm that businesses are active and their contact information is up-to-date before listing them.


Essential information for Plumbing project bid requests

When submitting a bid request, include clear details about your project, such as materials needed, deadlines, and any specific requirements. The more specific you are, the better the contractor can assess and quote the job accurately.


Tips for contacting local Plumbing professionals

If your project is urgent, it’s a good idea to call the contractor directly after submitting a bid request. This helps ensure they understand the timeline and scope of work, especially if immediate service is needed.


Managing bids for large-scale Plumbing projects

If you have a larger project and don’t want to contact each contractor individually, you can reach out to us directly. We offer an ITB (Invitation to Bid) platform where you can manage bids from multiple contractors at once.


Expected response times from San Francisco, CA contractors

Most Plumbing contractors will respond within 24-48 hours, depending on the complexity of your request. However, response times may vary – so be sure to follow up!

Quick stats about Plumbing companies database in San Francisco, CA

Total contractors

222 contractors

Total union contractors

10 union contractors

Total non union contractors

120 non union contractors

Total minority owned businesses

11 minority owned businesses

Total women owned businesses

2 women owned businesses

Average response time

3 days

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