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About Frank Bonetti Plumbing

Frank Bonetti Plumbing1 began as a commercial construction company serving the East Bay Area in 1955. Frank received his plumbing training while enlisted in the Seabees during World War II. After completing his tour he returned to Oakland and went to work for a few local plumbing companies before deciding to start his own company.  While Frank worked in the field, his wife Mary handled all the office operations. Today, Mary continues to oversee the office staff. Frank’s sons Ray and Dan began working for their parent’s company in 1970 and 1977 respectively. Through their dedication and hard work the company has continued to flourish. A third generation of Bonettis, Bryan and Michael, have also decided to follow in their grandfather’s footsteps and join the family business. 

After completing many projects, Bonetti Plumbing decided to expand their services to include the maintenance of their completed projects. In 1995, the Service Department opened and achieved the same smashing success as our Construction Division. Today, the second and third generations, along with their exceptional team, carry on Frank’s mission of providing only first class products and service to their commercial customers.

“We are a service team dedicated to superb service, giving personal attention to each client through on-going education and training.”

In addition to providing quality-plumbing services, Bonetti Plumbing is also involved in the Plumbing and Construction trades, with over 50 years of experience in the construction and design field. The Bonetti staff is highly trained and specialized to provide the plumbing for new construction, remodels, tenant improvements and other commercial projects. The company’s Plumbing Construction work was recognized for its superior work when they were voted “Contractor of the Year” by the Plumbing-Heating-Cooling Contractors (PHCC) Association of California. This prestigious award is only given to one Contractor each year in the State.

Frank Bonetti Plumbing is also a member of the following organizations:


20878 Rutledge Rd, Castro Valley, 94546

EAST BAY: 510.582.0934
TRI-VALLEY: 925.846.4626
Site design DGNC © Copyright Frank Bonetti Plumbing 2009