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Mainline Plumbing Services

Plumbers · 597 Lincoln Way, Fort Collins, CO 80526

4.2 (271 reviews) · 13 years in business
  • Licensed & Insured
  • License #CO-510822

Call now: (205) 426-4455

About Mainline Plumbing Services

Mainline Plumbing Services is a family-owned family-run plumber company serving Fort Collins, CO and the surrounding metro since 2013. 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 Fort Collins, CO and surrounding ZIP codes including 80521, 80524, 80525, 80526, 80528. 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

  • Trenchless sewer repair
  • 24/7 emergency response
  • Water filtration systems
  • Sump pump install
  • Water heater install & repair

Service area

Mainline Plumbing Services covers Fort Collins and the surrounding metro, typically responding to addresses within 25–35 miles of 80526. 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 CO contractor license (#CO-510822) 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 Fort Collins. You'll receive up-front written quotes — usually within an hour during business hours — so you can compare apples to apples before booking.

Recent customer reviews

★★★★★
Veteran-owned and it shows — disciplined, organized, on time, and the workmanship is meticulous. I will absolutely call them again.
— Anthony P., Fort Collins
★★★★★
Got us booked the same day and finished the job in a single visit. Cleaned up everything before they left — couldn't even tell they'd been here.
— Mark T., Fort Collins
★★★★★
Best contractor experience I've had as a homeowner. They sent a real written estimate, did exactly what they quoted, and the bill matched.
— Diego R., Fort Collins

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