Looking for a chimney sweep in Antioch, CA? Describe your project once and up to five certified chimney sweeps who work in Antioch and Contra Costa County get back to you with a quote. It's free and there is no obligation.
Antioch is home to about 118,453 people (2024 Census Bureau estimate), a growing community (+2.7% since 2020). With 4,060 people per sq mi, it is a densely built-up area. Cold winters and older masonry chimneys make annual inspections important here.
Antioch at a glance
- Population (Census Bureau estimate, 2024)
- 118,453 (+2.7% since 2020)
- Rank in California
- 54th of 482 cities and towns
- Land area
- 29 sq mi
- Population density
- 4,060 people per sq mi (densely built-up)
- Type
- City (Antioch city)
- Main county
- Contra Costa County
What to check before hiring in Antioch
- Certification: ask for CSIA or equivalent certification.
- Level: ask for a level 2 inspection when buying a home.
- Report: request photos or video of the flue.
- Price drivers: number of flues, level of inspection, access and repairs.
Useful official resources
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CSIA: Chimney Safety Institute of America
Official information and guidance.
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NFPA: National Fire Protection Association
Official information and guidance.
Services available in Antioch
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Chimney inspection
Level 1 or level 2 (camera) chimney inspection under NFPA 211, with a report.
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Chimney sweeping and repair
Sweeping, crown, cap, liner and masonry repairs.
Frequently asked questions in Antioch
How much does a chimney inspection cost in Antioch, CA?
It depends on the level and the number of flues. Describe your chimney: sweeps who serve Antioch reply with a quote.
How long does it take?
Often an hour or two.
When is the best time?
Before the heating season, when schedules are lighter.
Which certified chimney sweeps will contact me?
Up to five independent certified chimney sweeps who serve Antioch and the surrounding area, chosen for the service you need. Your details are shared only with your consent.
Source: U.S. Census Bureau, Population Estimates Program (Vintage 2024) and Gazetteer Files (public domain), imported on 10/31/2026. Figures describe the incorporated place or county as published; they are shown for information only.