Residential and Commercial Plumbing Services in Machesney Park, Illinois and Surrounding Area

Licensed Plumbers in Northern Illinois

#1 Plumbing Co Inc is a licensed plumbing company based in Machesney Park, IL and serving all of Northern Illinois. With decades of experience, this team is well-equipped to handle any and all of your residential and commercial plumbing needs. Offering a wide range of installation and repair services, you’ll never have to worry about your water heaters, softeners, or toilets gathering mildew that leaves you with unclean water again. We also install iron filtration systems and reverse osmosis systems to treat your home’s water and ensure it’s safe for your family to use and drink. Don’t wait until it’s an emergency, reach out to #1 Plumbing for service in McHenry, Lake Counties, Roscoe, South Beloit, and Boone County today!

Plumber Fixing Faucet | Machesney Park, IL | #1 Plumbing Co Inc

Specialized in Water Treatments

Treating your residential or commercial water is essential to the health and safety of those drinking it, but it’s something many people overlook or take for granted. With employees specialized in water treatments, our team can give their expert opinion on whether your home or business needs to repair or replace your water system. We can install Reverse Osmosis and Iron Filtration systems to help, as well as perform the water treatment process ourselves. Water treatment is often a simple process that generally does the following, but more steps can be performed as needed:

Coagulation (adding healthy chemicals)

Sedimentation (letting the healthy chemicals sit and work their magic)

Filtration (clean water goes through the filters)

Disinfection (adding chlorine or another cleaning agent)

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“Mike did a great job replacing the galvanized pipes and the hot water heater. They stayed until the job was complete (9:30 pm) and left no mess behind. It’s great having water pressure and HOT water. Thanks Mike!”

-Kim K.

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“I would highly recommend Number One Plumbing to anyone. They went above and beyond to get water service restored at my home.”

-Ken S.

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“I completely remodeled my condo downtown Chicago. Mike did the work himself and all I can say is his work is fantastic. The city inspectors had no problem approving his work….If you use MIKE you will be pleased. Go for it!”

-Chris M.

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“Thank you #1 plumbing company Inc for fixing hot water heater! Excellent service and friendly people! Don’t call anyone else! They will go out of their way to fix your problem!”

-Ted K.

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"The guys came out right away, they were professional, polite and made sure to double check all the issues. We were super impressed with their work ethic and happy with the price. We will definitely recommend to all our friends."

-Lauri G.

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"Very friendly group. Mike and his team are always ready and willing to clean up the worst of situations."

-Monique V.

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"Mike and his team are the best! Great work done by great people!"

-Tim S.

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"They diagnosed the problems quickly and worked efficiently. Very fair pricing."

-Maureen H.

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⭐⭐⭐⭐⭐

“Mike did a great job replacing the galvanized pipes and the hot water heater. They stayed until the job was complete (9:30 pm) and left no mess behind. It’s great having water pressure and HOT water. Thanks Mike!”

-Kim K.

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Slide title

⭐⭐⭐⭐⭐

“I would highly recommend Number One Plumbing to anyone. They went above and beyond to get water service restored at my home.”

-Ken S.

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Slide title

⭐⭐⭐⭐⭐

“I completely remodeled my condo downtown Chicago. Mike did the work himself and all I can say is his work is fantastic. The city inspectors had no problem approving his work….If you use MIKE you will be pleased. Go for it!”

-Chris M.

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Slide title

⭐⭐⭐⭐⭐

“Thank you #1 plumbing company Inc for fixing hot water heater! Excellent service and friendly people! Don’t call anyone else! They will go out of their way to fix your problem!”

-Ted K.

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Slide title

⭐⭐⭐⭐⭐

"The guys came out right away, they were professional, polite and made sure to double check all the issues. We were super impressed with their work ethic and happy with the price. We will definitely recommend to all our friends."

-Lauri G.

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⭐⭐⭐⭐⭐

"Very friendly group. Mike and his team are always ready and willing to clean up the worst of situations."

-Monique V.

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⭐⭐⭐⭐⭐

"Mike and his team are the best! Great work done by great people!"

-Tim S.

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⭐⭐⭐⭐⭐

"They diagnosed the problems quickly and worked efficiently. Very fair pricing."

-Maureen H.

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