Legacy Backflow & Plumbing — San Marcos, CA
Business Overview
Legacy Backflow & Plumbing San Marcos CA is a licensed plumbing company with more than 20 years in the field. The shop focuses on backflow prevention, plumbing inspections, and a wide range of plumbing repairs and installations for both homes and businesses. The team works Monday through Saturday, 7 AM to 5 PM. Emergency service is available; customers can call about after-hours response.
The company operates with a small, skilled crew of licensed plumbers and technicians. They handle residential work in single-family homes and apartments, plus commercial projects such as tenant improvements and new construction plumbing.
Key Services
- Backflow prevention and testing — certified AWWA procedures and documentation.
- Plumbing inspection and compliance reporting for homes and businesses.
- Water heater installation and replacement — tank and tankless options.
- Slab leak detection and repair, using focused diagnostics to limit disruption.
- New construction plumbing services for residential subdivisions and commercial builds.
Areas Served
Legacy Backflow & Plumbing San Marcos CA primarily serves San Marcos and nearby North County neighborhoods. Work often extends to newer developments, older ranch-style and slab homes, and commercial properties near Cal State San Marcos and local business corridors.
Company History
Founded more than two decades ago, the company began as a small service shop focused on backflow work and emergency repairs. Over the years it added certifications and a broader service mix to meet local demand. Growth came through repeat customers, contractor partnerships, and public agency work tied to water safety programs.
The firm holds a C36 plumbing license and AWWA certification, reflecting an emphasis on water system safety and regulatory compliance. That background supports jobs ranging from routine inspections to complex new construction plumbing.
Leadership
Leadership is made up of licensed plumbing professionals with hands-on field experience. The founder brought field training and code knowledge into the business and kept local ties strong by working with city building departments and contractor networks. Staff participate in ongoing training to stay current with local codes and best practices.
Specialties & Highlights
- Backflow prevention focus with AWWA-certified testing and reporting.
- C36-licensed plumbers familiar with San Marcos permitting and inspections.
- Practical slab leak techniques to minimize flooring and yard disruption.
- New construction experience for both residential builders and commercial contractors.
Why Locals Choose Legacy Backflow & Plumbing
Residents and businesses pick Legacy Backflow & Plumbing San Marcos CA for steady, practical work and local knowledge. The company has direct experience with San Marcos housing types, seasonal plumbing demands, and municipal water rules. Customers mention clear estimates, licensed technicians, and consistent follow-through as key reasons they return.
For plumbing inspections, backflow prevention, or a water heater install in San Marcos, Legacy Backflow & Plumbing is presented as a reliable local option with long-standing service in the community.
Contact Information
Legacy Backflow & Plumbing
: San Marcos, CA 92079
: http://www.legacybackflowplumbing.com
Business Services
- Plumbing inspection
Business Location & Hours
| Mon: | Open 24 hours |
| Tue: | Open 24 hours |
| Wed: | Open 24 hours |
| Thu: | Open 24 hours |
| Fri: | Open 24 hours |
| Sat: | Open 24 hours |
| Sun: | Open 24 hours |







