About Mainline Plumbing Services
Mainline Plumbing Services is a family-owned top-rated plumber company serving Sioux Falls, SD and the surrounding metro since 1987. The team handles everything from emergency drain clearing and water heater swaps to full repipes and sewer line replacement, with a focus on transparent, up-front pricing and clean, code-compliant workmanship. All technicians are state-licensed master or journeyman plumbers and arrive in fully-stocked trucks, which means most jobs are completed in a single visit. Customers regularly highlight the on-time scheduling, the no-pressure quoting style, and the post-job walkthrough where the lead plumber explains exactly what was repaired and why.
Mainline Plumbing Services serves homeowners across Sioux Falls, SD and surrounding ZIP codes including 57103, 57104, 57105, 57106, 57108. 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
- Sewer camera inspection
- Water filtration systems
- Repiping (PEX & copper)
- Gas line install & repair
- Backflow testing & install
- Tankless water heater specialist
- 24/7 emergency response
- Water heater install & repair
Service area
Mainline Plumbing Services covers Sioux Falls and the surrounding metro, typically responding to addresses within 25–35 miles of 57105. 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 Services holds an active SD contractor license (#SD-187886) 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 Services and up to two other nearby plumbers in Sioux Falls. You'll receive up-front written quotes — usually within an hour during business hours — so you can compare apples to apples before booking.