
Chimney sweep in Saint Charles, MO
Chimney inspection, chimney cleaning and dryer vent cleaning for Saint Charles, O'Fallon, Ballwin and Saint Peters and the rest of the 636 area code.

Call 833-CHIMNEY
Call 833-CHIMNEY (833) 244-6639 and enter your ZIP code. We'll connect you with a chimney professional serving Saint Charles, MO.
Own a chimney company here? The 636 territory is available. Claim it →
Prefer a call back?
Leave your number and we'll call you back to set up a visit with the local company for the 636 area code.
Need someone today? Use the call button above, or call 833-CHIMNEY and enter your ZIP code.
We use these details only to arrange your visit and share them with the company that serves the 636 area code. See our privacy policy.
Chimney care in the 636 area
Winters around Saint Charles, O'Fallon and Ballwin mean long, heavy heating seasons and deep freeze-thaw cycles. Wood stoves, inserts and fireplaces that run for months build creosote quickly, and ice and snow load test crowns, caps and flashing. Plan an inspection and sweep in late summer or early fall, before the busy season starts.
The Census Bureau counts about 401,800 homes and apartments in the 636 territory. 33.9% were built before 1980 and 3.2% before 1940, lower than the Missouri figure of 54.1% built before 1980. The median home here dates from the 1980s, and 75.8% of homes are single-family detached houses.
52.5% of occupied homes heat mainly with utility gas and 40.7% with electricity. Wood is the main heating fuel in 1% of homes, lower than the national rate of 1.5%.
Under the 2021 International Energy Conservation Code, the territory is in climate zone 4A (mixed, humid).
The 636 territory is home to roughly 1,008,000 people across 72 ZIP codes in St. Charles County, Jefferson County, St. Louis County, Franklin County and 4 more counties.
Services in Saint Charles
- Chimney inspection in Saint Charles: Level 1, 2 and 3 to NFPA 211
- Chimney cleaning in Saint Charles: creosote and soot removal
- Dryer vent cleaning in Saint Charles: full vent run to the outside hood
- Chimney repairs, chimney relining and wood stove installs: ask your local company whether they offer them
| Population | 1,008,000 |
|---|---|
| ZIP codes | 72 |
| Counties | 8 |
| Homes and apartments | 401,800 |
| Built before 1980 | 33.9% |
| Median home built | 1980s |
| Heat mainly with wood | 1% |
| IECC climate zone | 4A |
Sources: U.S. Census Bureau, American Community Survey 2018–2022 5-year estimates (tables B25034, B25040, B25024) for the ZIP codes in this territory; climate zones from PNNL, Guide to Determining Climate Zone by County (2022). Population from our ZIP code data.
Selling a home in Saint Charles? NFPA 211 calls for a Level 2 chimney inspection, including a video scan of the flue, when a property is sold or transferred.
Source: NFPA 211
Cities and towns we serve
- Saint Charles
- O'Fallon
- Ballwin
- Saint Peters
- Chesterfield
- Wentzville
- Fenton
- Arnold
- Lake Saint Louis
- Imperial
- Troy
- Washington
- Union
- De Soto
- Eureka
- Hillsboro
- Warrenton
- High Ridge
- Pacific
- House Springs
- Saint Clair
- Wright City
- Foristell
- Barnhart
- Moscow Mills
- Grover
- Pevely
- Valley Park
- Winfield
- Glencoe
- Marthasville
- Cedar Hill
- Villa Ridge
- Dittmer
- Crystal City
- Herculaneum
- Defiance
- Robertsville
- Foley
- Old Monroe
…and 22 more communities.
All 72 ZIP codes in the 636 territory
63005 63006 63010 63011 63012 63015 63016 63017 63019 63020 63021 63022 63023 63024 63025 63026 63038 63039 63040 63045 63047 63048 63049 63050 63051 63052 63053 63055 63057 63065 63066 63069 63070 63072 63073 63077 63084 63088 63089 63090 63099 63301 63302 63303 63304 63332 63338 63341 63342 63346 63347 63348 63349 63350 63351 63357 63362 63365 63366 63367 63368 63369 63373 63376 63379 63380 63381 63383 63385 63389 63390 65067
Questions about chimney service in Saint Charles
How do I book a chimney sweep in Saint Charles?
Call 833-CHIMNEY ((833) 244-6639) and enter your ZIP code. We'll connect you with a chimney professional who serves Saint Charles, MO.
Which areas does the 636 territory cover?
The 636 territory covers 72 ZIP codes in 8 counties, including Saint Charles, O'Fallon, Ballwin, Saint Peters, Chesterfield, Wentzville, Fenton and Arnold.
How often should I have my chimney inspected in Missouri?
NFPA 211, the national standard for chimneys, fireplaces and vents, calls for an inspection at least once a year. In the Midwest, a fall inspection before the first fire is a good habit.
How much does chimney cleaning cost in Saint Charles?
Prices are set by the local company and depend on the chimney, the number of flues and what the inspection finds. Call 833-CHIMNEY for a quote.
Guides for Saint Charles homeowners
Run a chimney company in the 636 area? This territory is open: the 833-CHIMNEY calls from Saint Charles and the 72 ZIP codes above can ring at your company. Claim the 636 territory 636-CHIMNEY is available as a local vanity number for $100/month.

