Our Service Area: St. Louis Metro & Surrounding Communities

Serving the Greater St. Louis Metro Area

Mad Hatter STL is proud to serve homeowners, real estate agents, and businesses throughout the greater St. Louis metropolitan area. Since 1978, our team of certified chimney and air duct specialists has been the trusted choice for indoor air quality and fire safety services across Missouri and Southern Illinois.

Primary Service Regions

St. Charles County

Our headquarters is located in O'Fallon, MO, placing us at the heart of St. Charles County. We service all communities throughout this growing region, including:

• O'Fallon, MO — Our home base, offering the fastest response times

• St. Charles, MO

• Wentzville, MO

• Lake Saint Louis, MO

• St. Peters, MO

• Cottleville, MO

• Dardenne Prairie, MO

St. Louis County

We also serve homeowners and businesses throughout St. Louis County, including some of the region's most established and historic neighborhoods:

• Chesterfield, MO

• Ballwin, MO

• Wildwood, MO

• Ellisville, MO

• Clayton, MO

• Webster Groves, MO

• Kirkwood, MO

• Creve Coeur, MO

• Ladue, MO

City of St. Louis & Inner Ring Communities

• City of St. Louis, MO — including historic neighborhoods with older chimneys requiring expert attention

• University City, MO

• Ferguson, MO

• Florissant, MO

Additional Service Areas

We also extend our services to communities in Lincoln County, Warren County, and select areas of Southern Illinois (Metro East). If your location is not listed above, please contact us — we will do our best to accommodate your needs.

Services Available Throughout Our Service Area

No matter where you are in our service area, you'll receive the same level of certified, professional service that St. Louis homeowners have trusted since 1978:

• Chimney Sweeping & Level 1 Inspections — Professional creosote and soot removal with digital interior video evaluation

• Air Duct Cleaning — Industrial-grade American Caddy Vac truck-mounted system with 12,000 CFM extraction power

• Dryer Vent Cleaning & Repair — Safety-first service to prevent the #1 cause of household fires

• Masonry Repair & Restoration — IRC-compliant tuckpointing, crown replacement, and full chimney rebuilds

• Flue Relining — UL-listed stainless steel and cast-in-place liner installations

• Gas Appliance Service — Expert maintenance for gas logs, inserts, and fireplaces

• Real Estate Chimney Inspections — Level 2 forensic audits in partnership with The Chimney Safety Firm for home sales

Why Homeowners Throughout St. Louis Choose Mad Hatter

• 45+ Years of Service — A second-generation family business protecting St. Louis homes since 1978

• Certified Technicians — Trained and certified professionals, not subcontractors

• No-Mess Guarantee — We protect your home's floors and surfaces throughout every service

• Transferrable Warranties — Our repair and restoration work comes with warranties you can pass on to the next homeowner

• Exclusive Chimney Safety Firm Partnership — Missouri's only authorized partner for forensic-level chimney diagnostics

Schedule Service in Your Area

Ready to schedule service? Call us at (636) 946-1622 or book online. We offer convenient appointment windows and will work around your schedule to get your chimney, air ducts, or dryer vents serviced as quickly as possible. Not sure if we cover your area? Give us a call — if we can make it work, we will.