Passion. Precision. Perfection.
In-Sink Quality Plumbing & Heating
The Flathead Valley's trusted master plumber for over 35 years. From emergency repairs to custom builds, Charlie Becker and the In-Sink crew deliver work you can count on for a lifetime.
Proudly serving Kalispell, Whitefish, Columbia Falls, Bigfork, Polson, Lakeside, and West Glacier
What We Do Best
From urgent repairs at 2 AM to whole-home radiant heating systems, In-Sink handles every aspect of residential and commercial plumbing, heating, and mechanical work throughout the Flathead Valley.
Emergency Plumbing
Burst pipes, sewer backups, and water damage call for immediate action. Charlie and the In-Sink crew respond around the clock to protect your home and get things flowing again fast.
Learn more about emergency plumbing
HVAC Systems
From furnace installs and AC replacements to complete heating system overhauls, we keep Flathead Valley homes comfortable through every Montana season.
Learn more about hvac systems
Radiant Heat
In-floor radiant heating delivers consistent, even warmth throughout your home with outstanding energy efficiency. We design and install complete radiant systems for new builds and retrofits.
Learn more about radiant heat
Water Heaters & Boilers
Tank and tankless water heater installs, boiler change-outs, and ongoing maintenance. We work with top-tier brands like Ruud to deliver reliable hot water year-round.
Learn more about water heaters & boilers
Bathroom Remodeling
Custom bathroom makeovers that blend beauty with expert craftsmanship. Fixtures, tile, plumbing rough-in, and finish work handled by a single trusted team.
Learn more about bathroom remodeling
New Construction
Complete plumbing and mechanical systems for new homes and commercial builds throughout the Flathead Valley. We partner with builders from rough-in through final inspection.
Learn more about new construction
MT Lic. #2504
ND Lic. #1295
Master Plumber
Why Flathead Valley Trusts In-Sink
Charlie Becker has spent more than three decades perfecting his craft. When you hire In-Sink, you get a master plumber who treats your home the way he would treat his own.
Highest Quality Parts, Always
We never use low-grade parts. Every fitting, fixture, and component we install meets our exacting standards because your home deserves materials that last.
A Lifetime of Dedication
We have dedicated our lives to the work we do and never cut corners. With 35+ years of hands-on experience, Charlie brings a depth of knowledge that simply cannot be replicated.
Lifetime Labor Guarantee
We always provide a lifetime guarantee on labor. If something we install or repair doesn't hold up, we come back and make it right at no additional charge. That is our promise.
Licensed and Accountable
Charlie Becker holds Master Plumber licenses in both Montana (#2504) and North Dakota (#1295). Every job is performed to code, inspected, and done right the first time.
Our Work in Action
Every project showcases the quality materials and careful craftsmanship that In-Sink is known for across the Flathead Valley.
Brands We Trust
We partner with industry-leading manufacturers to ensure every installation meets the highest standards of quality and reliability.
Ready to Get Started?
Whether you need an emergency repair right now or want to plan a remodel for next month, Charlie and the In-Sink team are here to help. Give us a call or send a message any time.
24/7 emergency service available. Serving the entire Flathead Valley.