B. F. Mahn & Sons, Inc.
4.9866 reviews
Certified by B. F. Mahn & Sons, Inc. • Feb 01, 2026
Business Details
112 W Clement St, De Soto, MO
63020, United States
Certified by B. F. Mahn & Sons, Inc. • Feb 01, 2026
(636) 586-2300
Certified by B. F. Mahn & Sons, Inc. • Feb 01, 2026
https://bfmahn.com/
Certified by B. F. Mahn & Sons, Inc. • Feb 01, 2026
About
Certified by B. F. Mahn & Sons, Inc. • Feb 01, 2026
HVAC ContractorPlumberHeating ContractorAir Conditioning Contractor
Your Local Plumbing, Heating & A/C Service Experts
For 6 generations, B. F. Mahn has delivered top quality work to meet your residential or commercial plumbing and HVAC needs. We serve clients across Jefferson County and beyond with a variety of services ranging from new construction plumbing to minor daily repairs.
Our business is built on a strong foundation and is known for its impeccable reputation and first quality service skills. From our beginning, we have worked to be the company you can trust, and have been resilient through ups and downs in the economy.
Location
Certified by B. F. Mahn & Sons, Inc. • Feb 01, 2026
Hours
Certified by B. F. Mahn & Sons, Inc. • Feb 01, 2026
Reviews
4.9
866 reviews
5 stars
841
4 stars12
3 stars6
2 stars0
1 star7
What are people saying?
AI-generated from recent customer reviews
Prompt Service
Customers consistently praised the quick response times, often receiving service on the same day or within hours of their call.
Professionalism
Technicians were frequently described as professional, courteous, and knowledgeable, providing clear explanations of the work being done.
Quality Work
Many reviews highlighted the high quality of work performed, with customers expressing satisfaction with repairs and installations.
Customer Service
The business received positive feedback for excellent customer service, including effective communication and friendly interactions.
Value for Money
While some customers noted concerns about pricing, many felt the services provided were reasonably priced for the quality received.
- THTracy Hutson2 days ago5.0Awesome experience with Brian and BF Mahn! Very professional, on-time, and fair pricing. They worked quickly, cleaned up, and made sure the work was completed to my satisfaction. Highly recommend BF Mahn!
- KHKristin H3 days ago5.0We’ve had a great experience working with B. F. Mahn & Sons, Inc. in De Soto. Their staff is always responsive, professional, and easy to communicate with. It’s clear they care about their customers and stand behind their work!
- PGPam GuehneJan 31, 20265.0I was totally impressed with this company. I had an emergency call on a Saturday and they responded with in 15 minutes call back. Had someone here within the hour and fixed the problem and my heat back on. This was on one of the coldest days we had lately. I would highly recommend them and will definitely use them for any future problems.
- AWAnna WamplerJan 24, 20265.0Nolan traveled through severe weather to help us last minute. Very knowledgeable and took the time to explain what he was doing and the issue found. Repair made and very pleased with outcome. Will have them back for future needs.
- THTim HackettJan 22, 20265.0Great and efficient service man. Thorough and informative. A real gentleman. Was clean and very cautious in all he did. Would highly recommend recommend your services
Frequently Asked Questions About B. F. Mahn & Sons, Inc.
What types of services does B. F. Mahn & Sons, Inc. provide?
They offer residential and commercial plumbing, heating, and air conditioning services, including new construction plumbing and minor repairs.
Where is B. F. Mahn & Sons, Inc. located?
They are located at 112 W Clement St, De Soto, MO 63020, USA.
What are the regular business hours for B. F. Mahn & Sons, Inc.?
They operate Monday to Friday from 8:00 AM to 4:00 PM and are closed on weekends.
Is emergency service available at B. F. Mahn & Sons, Inc.?
Yes, after hours and weekend emergency service is available.
Which cities does B. F. Mahn & Sons, Inc. serve?
They serve many cities in Jefferson County and beyond, including Arnold, Fenton, Festus, Pevely, Imperial, and De Soto among others.
How can I contact B. F. Mahn & Sons, Inc.?
You can call them at +1 636-586-2300 or visit their website at https://bfmahn.com/.
Are there any attractions near B. F. Mahn & Sons, Inc. that I can visit before or after my appointment?
Yes, nearby attractions include the Melba Theatre, David Bernhardt Park, and Central School Campus, which you might enjoy visiting.
What financial services are available near B. F. Mahn & Sons, Inc.?
Nearby you can find financial advisors like Edward Jones - Financial Advisor: Martha S Walker and Jason L Sparks, as well as PNC bank with ATM and mortgage broker services.
Are there nearby amenities such as salons or restaurants close to B. F. Mahn & Sons, Inc.?
Yes, nearby amenities include Mona Lisa Hair Salon, Two Girls & A Salon for beauty services, and De Soto's Korner Kitchen for dining options.
Does B. F. Mahn & Sons, Inc. have a reputation in the community?
Yes, they have a strong reputation built over six generations known for impeccable quality service and trustworthiness.
Brand Certified Facts from B. F. Mahn & Sons, Inc.
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Certified February 01, 2026Yext Knowledge Graph
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