4.7 
259 *The Angi rating for Drywall Insulation companies in Concord, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Drywall Insulation needs.
*The HomeAdvisor rating for Drywall Insulation companies in Concord, CA is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Drywall Insulation needs.
Last update on May 19, 2026
Serving Concord, CA and surrounding areas
Approved
In business since 1988
Free estimates
Warranties offered
"The guy checked my house, told us our insulation is good enough and we don't really need to do anything. Thanks for the honesty. I will definitely recommend this guy to my friends."
Serving Concord, CA and surrounding areas
Approved
In business since 1988
Free estimates
Warranties offered
"Had a great experience hiring Bay Valley Insulation. The quote arrived very efficiently and was the price I was looking for. The crew of Tony and Henry arrived inside the scheduled window and work was completed in a timely manner that day. The job looked great in the blown attic and final clean-up was great. Thank you."
Serving Concord, CA and surrounding areas
Approved
In business since 2017
Free estimates
Offers commercial services
"professional and fast. We use this company for close cell insulation. Really great customer service also. I highly recommend them."
Serving Concord, CA and surrounding areas
Approved
In business since 2016
Free estimates
Warranties offered
"We hired ThermaCore Insulation to remove our old attic insulation, air seal the attic, and install new insulation. Kamal and his crew were professional, honest, and easy to work with from start to finish. During the inspection, they found several air leaks and duct issues that other companies completely missed. They explained everything clearly, completed the work on time, and left the area clean. We noticed a big improvement in comfort right away. Great service, fair pricing, and quality workmanship. Highly recommend ThermaCore Insulation!"
+28
Serving Concord, CA and surrounding areas
Approved
In business since 2012
Free estimates
Small jobs welcome
"Very clean and Professional ,was observed using best safety Practices"
+13
Serving Concord, CA and surrounding areas
Approved
Super Service Award Winner
In business since 2012
Free estimates
Small jobs welcome
"Melesio and his team did an excellent job removing old insulation/cleaning, rodent proofing/sealing, and installing new insulation all in one day."
+3137
Serving Concord, CA and surrounding areas
Approved
Free estimates
Warranties offered
Customers say: True professional
"Attic Kings is a 5 star business. I had my insulation replaced and my home rodent proofed by them 3 years ago. They came out today just to check something for me at no charge.The customer service was and is outstanding. I highly recommend Attic Kings. They are very nice and kind as well."
Serving Concord, CA and surrounding areas
Approved
In business since 2008
Free estimates
Emergency services offered
Noble Insulation Inc. is a locally owned and operated company that values honesty and integrity in all aspects of our business. Our dedicated team of professionals have over 18 years of hands on experience, to provide innovative ideas and suggestions tailored to your projects. Our services are customized to your individual needs, paying close attention to the details of each project that we are involved with. Please feel free to contact us today! \n
Serving Concord, CA and surrounding areas
Approved
In business since 2017
Free estimates
Emergency services offered
"Installed insulation and best barrier of aluminum. Prompt and thorough! with good communication"
+103
Serving Concord, CA and surrounding areas
Approved
In business since 2008
Free estimates
Warranties offered
"Attic is all clean and insulated now! The team was great!"
+26
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