Roy Coto Plumbing — Backflow Services in Pacifica, CA

Roy Coto Plumbing Pacifica CA offers focused backflow testing and repair for homes and businesses along the Coastside and nearby communities. The business schedules routine tests, handles small repairs (2" and under), and usually provides same-day service for local customers. Regular hours are Monday–Friday, 8:00 AM–5:00 PM; weekend appointments are not typical.

Business Overview

Roy Coto Plumbing is a small, single-owner operation that concentrates on backflow services. The company is licensed and certified to work in San Francisco and San Mateo counties and operates with a practical, service-first approach. While the owner is semi-retired from general plumbing work, he maintains the plumbing license needed to test and repair backflow preventers.

Emergency work is handled on a case-by-case basis. For most customers, same-day testing or repair is available during normal business hours. The focus is primarily commercial and residential backflow testing rather than large-scale plumbing projects.

Key Services

• Backflow testing (AWWA certified tester; all makes and models)
• Backflow repair and small replacements (up to 2" devices)
• Plumbing inspection related to cross-connection and backflow prevention
• Plumbing installation or replacement and plumbing repair when relevant to backflow systems

Areas Served

Roy Coto Plumbing Pacifica CA works throughout the Coastside and nearby neighborhoods. Regular service areas include:

• Pacifica, CA
• San Bruno, CA
• Half Moon Bay, CA
• El Granada, CA
• Boulder Creek, CA
• Moss Beach, CA
• Montara, CA
• Colma, CA
• Ladera, CA

Company History

The owner worked as a plumber for 25 years before starting a backflow testing business. Over time the focus shifted from general plumbing to specialized backflow services. The company grew from one-person field work into a trusted local tester known for steady, practical service. Many clients are property managers, small businesses, and homeowners in older coastal houses that require annual testing.

Leadership

The owner was born and raised in Florida until 1970, served three years in the Army in the mid-1970s, and moved to San Francisco afterward. He settled in Pacifica after marrying in 1987. He is active in the coast community, volunteers at The Marine Mammal Center, and enjoys diving, kayaking, and mushroom hunting. That local presence supports timely service and knowledge of municipal testing requirements.

Specialties & Highlights

• AWWA certified backflow tester — qualified for all common makes and models.
• Licensed and certified in San Francisco and San Mateo counties.
• Same-day service most of the time for routine tests and small repairs.
• Focused work on 2" and smaller backflow devices, with practical repair expertise.
• Local knowledge of Coastside climate and older plumbing systems near the coast.

Why Locals Choose Roy Coto Plumbing

Locals pick Roy Coto Plumbing Pacifica CA because the business offers straightforward, experienced backflow testing and repair. The owner’s long plumbing career and community ties mean work is done with care and an eye for local regulations. Communication is direct, appointments are usually available quickly, and the service fits coastal homes and small businesses that need reliable annual testing.

For backflow questions, testing, or a repair estimate, community members on the Peninsula and Coastside can call during weekday hours to set an appointment.