Service Areas – Mad Hatter STL | Chimney & Air Duct Cleaning Near You

Proudly Serving the St. Louis Metro Area Since 1978

The Mad Hatter Service Company has been protecting St. Louis area homes and families for over 40 years. From our home base in O'Fallon, MO, our certified team of chimney sweeps, air duct specialists, and dryer vent technicians serves a wide radius across Missouri's most populated communities.

Our Primary Service Areas

St. Charles County

St. Charles County is our home turf and primary service area. We service virtually every community in St. Charles County, including:

• O'Fallon, MO (Headquarters)

• St. Charles, MO – Including historic downtown and newer developments

• Wentzville, MO – One of Missouri's fastest-growing cities

• Lake Saint Louis, MO

• Cottleville, MO

• Weldon Spring, MO

• Dardenne Prairie, MO

• St. Peters, MO

• New Melle, MO

St. Louis County

We regularly service homes throughout St. Louis County, including:

• Chesterfield, MO

• Ballwin, MO

• Wildwood, MO

• Manchester, MO

• Kirkwood, MO

• Webster Groves, MO

• Creve Coeur, MO

• Clayton, MO

• Ladue, MO

• Florissant, MO

City of St. Louis & Surrounding Areas

• St. Louis City, MO – Historic and period homes with masonry chimneys

• South St. Louis, MO (Soulard, Tower Grove, Bevo Mill)

• Maplewood, MO

• Richmond Heights, MO

Lincoln & Warren Counties

• Troy, MO

• Foristell, MO

• Wright City, MO

• Warrenton, MO

Why Choose a Local Expert?

Missouri's unique climate creates specific challenges for home venting systems. Our team has deep knowledge of:

• Freeze-Thaw Masonry Damage: Missouri winters cause mortar joints and chimney crowns to crack and spall. We specialize in vapor-permeable repair solutions designed for the region's climate.

• Historic St. Louis Brick: South city homes and historic neighborhoods feature unique clay and brick masonry that requires specialized knowledge to repair correctly.

• New Construction Air Quality: Rapidly growing St. Charles and Lincoln County communities often have post-construction dust in newly installed HVAC systems. Our industrial-grade extraction removes it all.

• Missouri Building Codes: All of our work meets or exceeds International Residential Code (IRC) standards and is performed by CSIA-certified technicians.

Not Sure If We Service Your Area?

Don't see your city listed? Contact us! Our service area continues to expand and we frequently service additional communities upon request. We generally service the entire greater St. Louis area within a 60-mile radius of O'Fallon, MO.

Call us at (636) 946-1622 or email info@themadhatterstl.com to confirm availability in your area. Same-week appointments are often available.