About Mainline Plumbing & Heating
Founded in 2018 in Riverside, CA, Mainline Plumbing & Heating has grown into one of the most trusted independent locally-owned plumber shops in the area. The crew specializes in residential service work — leaks, clogs, water heater service and replacement, gas lines, fixture upgrades, repipes, and sewer line repair — and is well known for the lengthy "we will not start work without explaining the price first" written estimate it provides on every visit. Backed by a 100% satisfaction guarantee and an active state license, Mainline Plumbing & Heating is a popular pick for both single-job homeowners and rental property managers across Riverside.
Mainline Plumbing & Heating serves homeowners across Riverside, CA and surrounding ZIP codes including 92501, 92503, 92505, 92507, 92509. Pricing is up-front and quoted in writing before any work begins, with no obligation if the estimate isn't right for your project.
Services offered
- Water filtration systems
- Toilet & faucet install
- Trenchless sewer repair
- Sewer camera inspection
- Backflow testing & install
- Repiping (PEX & copper)
- Sump pump install
Service area
Mainline Plumbing & Heating covers Riverside and the surrounding metro, typically responding to addresses within 25–35 miles of 92507. Same-day appointments are commonly available for non-emergency requests booked before noon, and 24/7 emergency dispatch is offered for active leaks, electrical hazards, no-heat/no-cool calls, and lockouts when applicable.
Licensing & insurance
FixNearMe verifies that Mainline Plumbing & Heating holds an active CA contractor license (#CA-125078) and carries general liability insurance covering work at residential properties. We re-verify licensing annually and remove any pro whose status lapses or whose review pattern deteriorates.
How to request a quote
Use the free quote form on this page to send your job details directly to Mainline Plumbing & Heating and up to two other nearby plumbers in Riverside. You'll receive up-front written quotes — usually within an hour during business hours — so you can compare apples to apples before booking.