California's commercial plumbing industry is vital for maintaining infrastructure and supporting businesses. Companies in this field address needs such as installation, repair, and maintenance of plumbing systems for various settings, including commercial buildings, industrial sites, and multi-family residences. As sustainability gains importance, many companies are pivoting towards eco-friendly solutions and water-efficient technologies. This trend signifies the industry's progression towards meeting environmental standards and customer demand for responsible practices. Notably, innovations in technology enhance service efficiency, marking a forward-looking approach in an industry deeply anchored in utility but also ripe for modernization.

This listing features 21 noteworthy plumbing companies based in California. With company sizes ranging from small family-owned businesses to larger firms, these include Rooter Hero Plumbing, founded in 1980, and smaller players like Magic Plumbing, established in 1979. The firms specialize in various plumbing services, including emergency repairs, installations, and maintenance for both commercial and residential clients. The timeline of establishment highlights decades of industry expertise, showcasing a range of service offerings tailored to meet modern demands.

Continue reading to discover the top commercial plumbing companies in California.

Top 21 Commercial Plumbing Companies in California

1. Rooter Hero Plumbing & Air

• Website: rooterhero.com
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1980
• Headcount: 201-500
• LinkedIn: rooter-hero-plumbing

Rooter Hero Plumbing & Air, founded in 1980, is a private service company based in Los Angeles, California. Specializing in plumbing and HVAC solutions, they provide a wide array of services including plumbing repairs, drain cleaning, and HVAC maintenance. Their offerings extend to both residential and commercial customers, ensuring that they meet the needs of various clients. The company prides itself on its 24-hour emergency services, which are crucial for businesses that require immediate attention to plumbing issues. With a workforce of approximately 191 employees, Rooter Hero has established itself as a reliable option in the plumbing industry, focusing on efficient and dependable service. Their website features a wealth of resources, including tips and insights related to plumbing and HVAC, further demonstrating their engagement with the industry and commitment to customer education.

2. Mike Diamond Plumbing, INC

• Website: mikediamondservices.com
• Ownership type: Private
• Headquarters: Culver City, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1976
• Headcount: 51-200
• LinkedIn: mike-diamond-plumbing-inc

Mike Diamond Plumbing, INC, also known as Mike Diamond Services, is a home services provider based in Culver City, California. Founded in 1976, the company specializes in plumbing, electrical, heating, and air conditioning solutions. They serve both residential and commercial customers throughout Southern California, particularly in the Los Angeles and Orange County areas. Known as 'The Smell Good Plumber,' Mike Diamond Plumbing emphasizes customer satisfaction, offering 24/7 emergency services and a satisfaction guarantee. Their fleet of fully stocked trucks is equipped to handle a variety of plumbing issues, ensuring quick and efficient service. The company has built a solid reputation over the years, evidenced by numerous positive customer reviews and accolades in local markets. They actively promote their services through various channels, including online scheduling and special promotions, which further enhances their visibility in the competitive plumbing industry.

3. Diablo Plumbing Inc

• Website: diabloplumbing.com
• Ownership type: Family Owned
• Headquarters: Pleasanton, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1987
• Headcount: 51-200
• LinkedIn: diablo-plumbing

Diablo Plumbing Inc, based in Pleasanton, California, has been a family-owned plumbing contractor since its inception in 1987. With over 30 years of experience, the company specializes in a wide array of plumbing services, including installation, maintenance, and repair for both residential and commercial clients. They have built a reputation for high-quality craftsmanship and innovative solutions to plumbing challenges. Their service portfolio includes design-build, construction management, and emergency services, catering to various sectors such as multi-family residential, industrial, and commercial properties. Diablo Plumbing is dedicated to maintaining a client-driven culture, ensuring that projects are completed safely, on time, and within budget. Their commitment to advanced technology and skilled technicians enhances their service delivery, making them a notable player in the plumbing industry.

4. Benicia Plumbing, Inc.

• Website: beniciaplumbing.com
• Ownership type: Family Owned
• Headquarters: Benicia, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1975
• Headcount: 51-200
• LinkedIn: benicia-plumbing-inc.

Benicia Plumbing, Inc. is a family-owned plumbing service company based in Benicia, California, with a history dating back to 1975. The company specializes in a wide array of plumbing solutions, including drain cleaning, water heater installation, leak detection, and sewer services. They cater to a broad clientele, including homeowners, commercial developers, and property managers, ensuring that both residential and commercial plumbing needs are met. With a workforce of 51-200 employees, Benicia Plumbing prides itself on its skilled craftsmen who are dedicated to providing prompt and efficient service. Their commitment to quality is reflected in their extensive experience and the positive feedback they receive from clients, which underscores their reliability in the plumbing industry. The company also emphasizes community involvement and maintains a strong local presence, further solidifying its role in the plumbing sector.

5. Plumbing Concepts, Inc.

• Website: plumbingconcepts.com
• Ownership type: Private
• Headquarters: Corona, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1984
• Headcount: 51-200
• LinkedIn: plumbing-concepts

Plumbing Concepts, Inc. is a plumbing service company based in Corona, California, with a history dating back to 1984. The company specializes in commercial plumbing, new construction, and water treatment solutions, catering to both businesses and individual consumers. With a workforce of approximately 56 employees, Plumbing Concepts has built a reputation for quality service and customer satisfaction. They have been involved in numerous projects across Southern California, plumbing thousands of homes and working closely with top home builders and contractors. Their services extend to multi-family apartments, hospitality buildings, and various commercial projects, showcasing their capability in handling significant plumbing needs. The company emphasizes safety and training, ensuring that their team is well-equipped to meet industry standards. Plumbing Concepts is committed to providing reliable plumbing solutions while maintaining a focus on environmental sustainability through their green living initiatives.

6. Ace Plumbing, Heating & Air Conditioning

• Website: aceplumbing.com
• Ownership type: Family Owned
• Headquarters: Sacramento, California, United States (USA)
• Employee distribution: United States (USA) 76%, Canada 24%
• Founded year: 1971
• Headcount: 11-50
• LinkedIn: ace-plumbing-heating-and-air-conditioning

Ace Plumbing, Heating & Air Conditioning is a family-owned service provider based in Sacramento, California, specializing in plumbing and HVAC solutions. Founded in 1971, the company has built a solid reputation over the decades, catering to both residential and commercial customers. Their service offerings include a wide array of plumbing services such as repairs, installations, and maintenance, as well as heating and air conditioning solutions. The company prides itself on its skilled technicians who undergo continuous training to stay updated on industry best practices. With a focus on customer satisfaction, Ace Plumbing operates 24/7, ensuring that they are available for emergency services. Their commitment to quality and professionalism has made them a trusted name in the Sacramento area.

7. Bonney Plumbing, Electrical, Heating and Air

• Website: bonney.com
• Ownership type: Private
• Headquarters: Rancho Cordova, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: Other (Debt), $3.8M, March 2008
• Founded year: 1978
• Headcount: 51-200
• LinkedIn: bonney-plumbing-heating-and-air

Bonney Plumbing, Electrical, Heating and Air, based in Rancho Cordova, California, has been serving the Sacramento area since 1978. This private company employs between 51 and 200 individuals and offers a wide range of home services, including plumbing, heating, air conditioning, and electrical services. Bonney is dedicated to ensuring that both residential and commercial customers can operate their facilities efficiently and safely. Their plumbing services cover everything from sewer repair and water heater installation to bathroom remodeling and gas line repair. The company also emphasizes customer service, providing 24/7 scheduling and free estimates for various services. Bonney has received funding, with a notable amount of $3,750,000 in 2008, which may have supported their growth and service expansion. Their commitment to quality and customer satisfaction has helped them maintain relevance in the competitive home services industry.

8. J Noble Binns Plumbing

• Website: binnsplumbing.com
• Ownership type: Family Owned
• Headquarters: Bakersfield, California, United States (USA)
• Founded year: 1945
• Headcount: 11-50
• LinkedIn: j-noble-binns-plumbing

J Noble Binns Plumbing Company, based in Bakersfield, California, has been a fixture in the plumbing industry since its founding in 1945 by James Noble Binns. The company was acquired in 1985 by Don Schimnowski, who expanded its operations significantly. Today, J Noble Binns Plumbing employs between 11 to 50 staff members and offers a range of plumbing services tailored to both commercial and residential clients. Their commercial services include new construction projects for various industries, such as medical facilities, restaurants, and retail spaces. The company prides itself on its commitment to quality and customer satisfaction, which has helped it maintain a loyal client base over the decades. J Noble Binns Plumbing has also been involved in numerous notable projects, further solidifying its reputation in the plumbing sector.

9. Ideal Plumbing, Heating, Air, & Electrical Inc.

• Website: idealservice.com
• Ownership type: Family Owned
• Headquarters: San Diego, California, United States (USA)
• Founded year: 1960
• Headcount: 11-50
• LinkedIn: ideal-plumbing-heating-air-%26-electrical

Ideal Plumbing, Heating, Air, & Electrical Inc. is a family-owned business based in San Diego, California, established in 1960. With a workforce of 24 employees, the company specializes in providing essential home services, including plumbing, heating, air conditioning, and electrical work. Ideal has a strong focus on maintaining comfort and functionality in residential spaces while also serving light commercial property owners. Over the years, the company has expanded its service offerings to include kitchen and bathroom remodeling, showcasing its adaptability to customer needs. Ideal has garnered a reputation for high standards of workmanship and customer service, with 88% of its business stemming from referrals. Their community involvement is notable, as they actively support local initiatives, such as the Green Elementary PTO. Ideal has also been recognized with the 2023 Better Business Bureau Torch Award for Ethics, highlighting their commitment to ethical business practices.

10. Barker and Sons Plumbing & Rooter

• Website: barkerandsonsplumbing.com
• Ownership type: Family Owned
• Headquarters: Anaheim, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1983
• Headcount: 11-50
• LinkedIn: barker-and-sons-plumbing-%26-rooter

Barker and Sons Plumbing & Rooter is a family-owned plumbing service provider based in Anaheim, California, with a strong presence in Orange County. Founded in 1983, the company has built a reputation for delivering reliable plumbing solutions to both residential and commercial customers. Their service offerings include emergency plumbing repairs, drain cleaning, water heater installations, and advanced leak detection services. With a team of skilled technicians, Barker and Sons emphasizes quality workmanship and customer satisfaction, backed by a 100% satisfaction guarantee. The company is dedicated to sustainability and employs green plumbing practices, reflecting their commitment to the environment. They have garnered a significant number of positive customer reviews, indicating a strong track record in the industry.

11. Option One Plumbing

• Website: optiononeplumbing.com
• Ownership type: Private
• Headquarters: Rancho Cucamonga, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1989
• Headcount: 51-200
• LinkedIn: option-one-plumbing

Option One Plumbing, founded in 1989, is a plumbing service provider based in Rancho Cucamonga, California. The company specializes in a wide array of plumbing solutions for both residential and commercial clients. Their service portfolio includes drain cleaning, sewer repair, water heater installation, and emergency plumbing assistance, among others. With a workforce of approximately 30 employees, they operate 24/7, ensuring that customers can access help whenever necessary. Option One Plumbing has built a reputation for reliability and professionalism, as evidenced by positive customer reviews. They also engage in community initiatives, such as Operation Christmas Child, reflecting their commitment to social responsibility. The company has not reported any funding, indicating that it operates as a privately held entity without external financial backing.

12. Ace Plumbing & Rooter, Inc

• Website: aceplumbingandrooter.com
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2003
• Headcount: 11-50
• LinkedIn: ace-plumbing-and-rooter

Ace Plumbing & Rooter, Inc. is a plumbing service provider based in San Francisco, California, with a focus on delivering comprehensive plumbing solutions for both residential and commercial clients. Established in 2003, the company has built a reputation for reliability and quality service over the past two decades. Their offerings include emergency plumbing, sewer line repairs, boiler maintenance, and specialized services for commercial clients such as restaurants and property management companies. With a team of skilled technicians, Ace Plumbing & Rooter is equipped to handle a wide array of plumbing challenges, ensuring that both homes and businesses can maintain their plumbing systems effectively. The company is fully licensed and certified, which underscores their commitment to adhering to industry standards and regulations. Their local expertise in the San Francisco area further enhances their ability to serve the unique plumbing needs of the community.

13. Express Sewer And Drain

• Website: expresssewer.com
• Ownership type: Private
• Headquarters: Rancho Cordova, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2006
• Headcount: 51-200
• LinkedIn: express-sewer-and-drain

Express Sewer And Drain, founded in 2006, is a plumbing service provider based in Rancho Cordova, California. The company specializes in a wide array of plumbing solutions, catering to residential, commercial, and municipal clients. Their service portfolio includes essential offerings such as drain cleaning, leak detection, hydro-jetting, and sewer video inspection. Express Sewer And Drain is particularly noted for its expertise in trenchless technology, which allows for non-invasive repairs and replacements of sewer lines, minimizing disruption to properties. Operating primarily in the Greater Sacramento Area, the company has built a reputation for reliability and efficiency, with a commitment to 24/7 immediate response. Their focus on customer satisfaction is evident in their pricing strategy, which includes a guarantee to beat competitors' estimates. This approach, combined with their extensive service offerings, positions them as a significant player in the plumbing industry.

14. Bellows Plumbing, Heating & Air

• Website: bellowsservice.com
• Ownership type: Family Owned
• Headquarters: Soquel, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1984
• Headcount: 11-50
• LinkedIn: bellows-plumbing-heating-%26-air

Bellows Plumbing, Heating & Air, based in Soquel, California, has been a trusted name in the plumbing and HVAC industry since its founding in 1984. Initially focused on tenant improvements and new construction, the company pivoted in 2004 to concentrate on residential and light commercial plumbing and HVAC services. With a workforce of approximately 43 employees, Bellows serves the San Francisco Bay Area, including Santa Cruz, Marin, Santa Clara, and Sonoma counties. They offer a comprehensive range of services, including emergency plumbing, drain cleaning, water heater installation, and HVAC repairs. The company prides itself on its commitment to customer service, employing licensed technicians who undergo regular training to stay updated on industry standards. Their operational philosophy emphasizes dependability, devotion to customer satisfaction, and a tenacious approach to problem-solving, which has helped them build a loyal customer base over the years.

15. Cobabe Brothers Plumbing

• Website: cobabebrothers.com
• Ownership type: Private
• Headquarters: El Dorado Hills, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1951
• Headcount: 11-50
• LinkedIn: cobabe-brothers-plumbing

Cobabe Brothers Plumbing, based in El Dorado Hills, California, has been a fixture in the plumbing industry since its inception in 1951. With a workforce of 27 employees, the company provides a comprehensive range of plumbing services tailored for both residential and commercial clients. Their offerings include emergency plumbing, drain cleaning, gas line installation and repair, and industrial plumbing services. Cobabe Brothers Plumbing prides itself on its commitment to customer satisfaction, employing licensed and insured professionals who are trained to handle a variety of plumbing challenges. The company has built a reputation for reliability and quality service, making it a trusted choice for businesses and homeowners alike in the Sacramento region. Their involvement in public works projects and industrial plumbing further underscores their capability to manage significant plumbing needs, reinforcing their position in the commercial plumbing sector.

16. The Plumbing Doctor

• Website: plumbingdoctor.com
• Ownership type: Private
• Headquarters: Dixon, California, United States (USA)
• Employee distribution: United States (USA) 77%, Australia 23%
• Founded year: 1992
• Headcount: 11-50
• LinkedIn: the-plumbing-doctor

The Plumbing Doctor, based in Dixon, California, is a plumbing service company that has been operational since 1992. With a workforce of 11 to 50 employees, the company prides itself on providing a comprehensive range of plumbing solutions, including leak detection, sewer cleaning, and water heater installation. The Plumbing Doctor serves both residential and commercial customers, emphasizing reliability and efficiency in its services. The founder, Michael Farias, has over 40 years of industry experience, which has shaped the company's commitment to quality service and customer satisfaction. The Plumbing Doctor has built a solid reputation, supported by a loyal customer base that trusts the company for various plumbing needs. Their unique service vehicles and customer care programs further enhance their appeal in the competitive plumbing market.

17. RotoCo | Roto-Rooter Plumbers & Restoration in California

• Website: rotorooterca.com
• Ownership type: Private
• Headquarters: Vista, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1974
• Headcount: 201-500
• LinkedIn: rotoco-roto-rooter-plumbers-%26-restoration-in-california

RotoCo | Roto-Rooter Plumbers & Restoration in California is a plumbing service provider based in Vista, California. Founded in 1974, the company has built a solid reputation for delivering a wide array of plumbing and water cleanup services. They specialize in emergency plumbing, drain cleaning, and water damage restoration, serving both residential and commercial customers. Roto-Rooter operates 24/7, ensuring that they are available to tackle urgent plumbing issues whenever they arise. Their team consists of highly trained and skilled plumbers equipped with modern technology, such as video inspection tools, to accurately diagnose and resolve plumbing problems. Roto-Rooter is committed to customer satisfaction, offering transparent pricing and financing options to ease the financial burden of unexpected plumbing repairs. With decades of experience, Roto-Rooter has become a trusted name in the plumbing industry, known for reliability and professionalism.

18. Bill Howe Plumbing, Heating & Air, Restoration & Flood

• Website: billhowe.com
• Ownership type: Family Owned
• Headquarters: San Diego, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1980
• Headcount: 51-200
• LinkedIn: billhoweplumbingheatingandairconditioning

Bill Howe Plumbing, Heating & Air, Restoration & Flood is a family-owned service company based in San Diego, California, established in 1980. With a workforce of 121 employees, the company specializes in plumbing, HVAC, and restoration services, catering to both residential and commercial customers. Bill Howe is known for its commitment to quality and customer satisfaction, operating 24/7 to address a wide range of plumbing and HVAC needs. The company has built a solid reputation over the years, evidenced by its high customer ratings and extensive service offerings, which include emergency services, maintenance plans, and innovative solutions like trenchless sewer repair. Bill Howe's focus on training and background checks for its technicians further enhances its reliability and trustworthiness in the industry.

19. All American Plumbing Heating & Air

• Website: allamericanpha.com
• Ownership type: Private
• Headquarters: Turlock, California, United States (USA)
• Founded year: 2001
• Headcount: 11-50
• LinkedIn: all-american-plumbing-heating-air

All American Plumbing Heating & Air, founded in 2001 and based in Turlock, California, is a private service company specializing in plumbing, heating, and air conditioning solutions. With a workforce of approximately 22 employees, the company caters to both residential and commercial customers, offering a comprehensive suite of services. Their offerings include emergency plumbing, HVAC installation, maintenance, and specialized commercial services like backflow prevention and hydro jetting. The company prides itself on its commitment to customer satisfaction, providing 24/7 service and employing screened technicians. All American Plumbing Heating & Air has established a reputation for prompt and reliable service, making it a trusted choice for clients in the Turlock area and beyond.

20. Magic Plumbing

• Website: magicplumbing.com
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1979
• Headcount: 11-50
• LinkedIn: magic-plumbing

Magic Plumbing, established in 1979, is a plumbing and HVAC service provider based in San Francisco, California. With a dedicated team of approximately 41 employees, the company has been serving the local community for over four decades. Magic Plumbing offers a wide array of services, including plumbing repairs, heating installations, and air conditioning services, catering to both residential and commercial customers. Their focus on delivering reliable and efficient solutions ensures the comfort and safety of their clients' homes and businesses. The company prides itself on its customer service, emphasizing prompt responses and thorough problem-solving. Magic Plumbing has built a reputation for quality work and professionalism, making it a trusted name in the plumbing industry.

21. Aqualine Piping, Inc.

• Website: aqualinepiping.com
• Ownership type: Family Owned
• Headquarters: Sunnyvale, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2011
• Headcount: 11-50
• LinkedIn: aqualine-piping-inc-

Aqualine Piping, Inc. is a family-owned plumbing service company based in Sunnyvale, California, founded in 2011. With a workforce of 11-50 employees, the company specializes in both residential and commercial plumbing solutions. They offer a comprehensive array of services, including maintenance, repairs, installations, and process piping. Aqualine Piping prides itself on its customer service excellence, emphasizing long-term relationships with clients. Their team, led by experienced professionals, is known for completing projects on time and within budget. The company has built a reputation for reliability, serving a variety of sectors, including biotechnology, healthcare, and commercial properties. Aqualine Piping is committed to safety and quality, ensuring that their technicians are not incentivized to upsell unnecessary services, which aligns with their customer-first philosophy.

Commercial Plumbing Insights: Key Companies in California

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