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Free Estimates!

We don’t have those annoying trip charges and we are available 24/7!

Available 24 Hours a Day!

Our phones are answered 24 hours a day, 365 days a year, by an employee.

Flat Rate Pricing!

You always know the price
before we do the work.

Welcome to Black Diamond Plumbing & Mechanical, Inc.

Building Photo

Black Diamond Plumbing & Mechanical, Inc. is a family-run company that has dedicated itself to providing its customers with the best possible service for over 10 years. We are a full service facility that offers the best quality in plumbing, sewer, electric, heating and air conditioning service and remodeling. We are at your service 24 hours a day, 365 days a year and never charge a trip fee! We are always happy to provide you with a free estimate, and with our flat rate pricing, you always know the price before we do the work. To schedule a service call, please click here.

Recent Awards & Recognition

Best of the Fox (2008, 2009): Thank you for voting Black Diamond “The Best” in McHenry County for its unbeatable service and customer support!

Best Contractor to Work For (2006): Nominated by its own employees, Black Diamond won PM Magazine’s inaugural award for Best Contractor to Work For in the United States!

P.I.C.A. Award (Pride of Crystal Lake, 2007): Black Diamond won this award for their support of chamber programs as well as their community involvement.

Featured Seasonal Service: Furnace Precision Tune-Up

The winter season is upon us. Call us today to make sure your furnace is ready for the freezing temperatures. Estimates are always free with no obligation. Request a service call.

Schedule a Service Call