The Best Insulation Contractors in Antioch, CA

Compare the highest-rated insulation professionals in Antioch, California. All contractors are licensed, insured, and verified through our rigorous screening process.

#1

Attic Pros

4.8
(280 reviews)
Verified

A highly-rated, specialized contractor focusing primarily on attic services, including insulation and air sealing. They are known for their thorough energy efficiency audits and expertise in navigating local rebate programs like those from BayREN. Their team is trained in the latest building science techniques for home performance.

1201 Central Blvd, Brentwood, CA 94513 (Serves Antioch and the surrounding region)

Specialties & Features

Attic insulation installation and upgrade
Air sealing services
Insulation removal and replacement

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#2

Norcal Insulation

4.7
(190 reviews)
Verified

A well-established regional contractor with a broad range of insulation services for both residential and commercial properties. They have extensive experience with various insulation types, including spray foam and blown-in cellulose, and are proficient in insulating complex areas like crawl spaces and basement walls.

5678 Stoneridge Dr, Suite 102, Pleasanton, CA 94588 (Serves the entire East Bay, including Antioch)

Specialties & Features

Spray foam insulation
Blown-in insulation installation
Basement and crawl space insulation

Business Information

Years in Business:18 years
Licensed:Yes
Insured:Yes
#3

Attic Guys

4.6
(150 reviews)
Verified

A dedicated insulation company that emphasizes customer education and tailored solutions. They offer free estimates and energy audits, helping homeowners choose the most cost-effective insulation upgrades. They are particularly skilled in wall insulation retrofits and improving overall home envelope performance.

Serves the East Bay Area from a central dispatch location.

Specialties & Features

Wall insulation services
Energy efficiency audits
Blown-in insulation installation

Business Information

Years in Business:9 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Antioch

** The insulation market in Antioch is competitive and served by a mix of specialized local/regional contractors and larger Bay Area companies. Due to Antioch's climate, with hot, dry summers and cool winters, there is a consistent demand for attic insulation and air sealing to improve comfort and reduce HVAC costs. Many homes in the area are of older construction, creating significant opportunity for insulation upgrades. The market quality is generally high, with several providers holding advanced certifications from organizations like BPI (Building Performance Institute). Pricing is typical for the San Francisco Bay Area, with attic insulation projects for an average home often ranging from $1,500 to $4,500, while more comprehensive projects involving spray foam or full-home air sealing can range from $5,000 to $15,000+. Homeowners are increasingly aware of and motivated by available rebates from programs like BayREN and TECH Clean California, which most top-tier contractors are qualified to administer.

High Ratings

4.7+ star average from verified customer reviews

Fully Licensed

All contractors are properly licensed and insured

Proven Experience

10+ years average experience in the industry

Local Experts

Familiar with Antioch regulations and climate

Frequently Asked Questions About Insulation in Antioch

Get answers to common questions about insulation services in Antioch, California.

1What is the recommended R-value for attic insulation in Antioch, and why is it important for our climate?

For Antioch's hot, dry summers and mild, wet winters, the U.S. Department of Energy recommends an attic insulation R-value of R-38 to R-60. This high R-value is crucial because it provides a strong thermal barrier against the intense Delta heat, keeping your home cooler in summer and reducing strain on your AC. Proper attic insulation also helps manage moisture from our winter rains, preventing condensation issues that can lead to mold.

2How much does it typically cost to reinsulate an attic for an average-sized home in Antioch?

For a typical 1,500-2,000 sq ft home in Antioch, the cost to blow in new attic insulation ranges from $1,500 to $3,500, depending on the material (fiberglass vs. cellulose) and the target R-value. Regional material and labor costs influence this, and prices can be higher for complex attic layouts or if old insulation must be removed first. Many local providers offer free estimates, and homeowners should inquire about available rebates from programs like BayREN or through their utility provider, PG&E.

3Are there specific local permits or regulations in Antioch I need to be aware of for insulation work?

For standard insulation retrofits in existing homes, a permit is generally not required in Antioch. However, if the project is part of a larger renovation, involves structural changes, or includes new construction, a building permit may be necessary. It's always best to consult with your licensed contractor, as they must comply with the 2022 California Title 24 Energy Code standards, which set strict efficiency requirements for all insulation work.

4What is the best time of year to get insulation installed in Antioch, and how long does the job take?

The ideal time is during the mild spring (April-May) or fall (September-October) to avoid extreme attic temperatures in summer and rainy conditions in winter. For most homes, a professional attic insulation project can be completed in a single day. Scheduling in the off-peak seasons can also lead to better availability from local contractors and may sometimes result in promotional pricing.

5How do I choose a reliable insulation contractor in the Antioch area, and what should I ask them?

Choose a contractor who is licensed (check their CSLB number), insured, and has strong local references. Ask specifically about their experience with Antioch's older homes, which may have knob-and-tube wiring requiring special handling. Key questions include: "Are you familiar with BayREN rebate paperwork?", "Will you perform a pre-installation energy assessment?", and "Do you offer a warranty on both materials and workmanship?"