“Where Quality Still Matters”

Since 1966, Leonard and Sons has been providing the Chicagoland area with professional building services using only fully qualified and certified technicians. Currently, Leonard and Sons is a masonry restoration company specializing in all aspects of chimneys functions and repair or rebuilding. We also specialize in dryer vents with the focus on proper function and fire prevention.

Call to speak with a professional (847) 658-7659
Masonry Restoration
Chimney Sweeping
Dryer Vent Cleaning
Chimney Repairs
Chimney Caps
Fireplace Refacing

Proper Function and Fire Prevention is our Specialty! 

It's time to schedule your next Dryer Vent Cleaning. Give us a call today!

Dryer vents accumulate highly flammable lint, and failure to clean out lint is the leading cause of dryer fires. According to the National Fire Protection Agency, over 15,000 dryer fires occurred in the U.S. in 2010. A plugged dryer vent can also burn out the heating element.

Qualified Technicians

All of our technicians are fully certified in Chimney Sweeping and Dryer Vent Cleaning. Proper Function and Fire Prevention is our Specialty! Give us a call today to schedule your next visit.

(847) 658-7659

 This is a dryer vent before it was cleaned.
This is the dryer vent after it was cleaned.

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Caleb Martinez is fourth generation Leonard and Sons. He enjoys exploring the great outdoors with his wife and 4 children. His favorite camping spot is the boundary waters. Caleb is also active in Cub Scouts and Junior Hockey.

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We serve Northern Illinois counties McHenry County, Lake County, Kane County and Cook County. Cities and towns include but are not limited to Algonquin, Lake in the Hills, Crystal Lake, Huntley, Village of Lakewood, Boulder Ridge, Bull Valley, Barrington, Barrington Hills, South Barrington, Inverness, Woodstock, Marengo, Harvard, Fox River Grove, Cary. Our main services include Chimney Sweeping, Dryer Vent Cleaning and Tuckpointing. We also provide many Chimney Repair services and products from Chamber Coat, Heat Shield, Peel 'N' Paint in addition to Chimney Caps and Custom Chase Covers.