About Us

Belfast Plumbing is owned by Brian Johnston. Belfast Plumbing a small family business offering inexpensive, quality service that will leave you satisfied. We pride ourselves upon building trustworthy relationships throughout our community and consistently provide work that you can trust and rely upon.

Johnston Family

Brian, Chris, Cooper, and Dana Johnston

Brian Johnston: Brian was born and raised in Belfast Northern Ireland. He moved to the San Francisco Bay Area with his family when he was 15 years old. In 2000, Brian started working as a plumber servicing Contra Costa County residential customers. He then started his own company, Belfast Plumbing in 2007. Brian’s vision for his company is to keep it a small family business.

Dana Johnston: Dana is a San Francisco Bay Area native. She has over 10 years’ experience in customer service and property management. In 2013, Dana left her career to work alongside her husband, Brian, while staying home to raise their two sons Chris and Cooper.