5 Best Spray Foam Insulation Services in Los Angeles (2026)

Spray Foam Masters is based in Chatsworth and covers residential and commercial insulation, plus attic cleaning, rodent proofing, and air duct repair alongside spray foam itself. The company describes certified technicians and a reputation built on word-of-mouth referrals across California. Reviewers describe jobs ranging from shipping container insulation to full remodel coordination with other contractors.

Insulation Labs, based in Mar Vista, focuses on insulation retrofits, radiant heat barriers, and animal damage remediation in attics. Reviewers describe the crew fully enclosing work areas in plastic so the rest of the house stays usable during the job, including drilling walls without dust reaching nearby rooms. Jobs are frequently completed in under a day.

Los Angeles Insulation Masters, operating out of South Central LA, handles a wider range of structures than most insulation contractors, including horse barns, older mobile homes, and full home energy audits. Reviewers consistently describe honest recommendations, including the company advising against unnecessary extra insulation when it wasn't needed. The crew also handles air sealing and ductwork insulation.

Spray Foam Insulation Los Angeles is a smaller operation with a perfect rating, though its reviews are shorter and less detailed than the other contractors on this page. Reviewers describe the work as quick with no mess left behind, and cite energy savings after the job was completed.

Atlas Insulation Los Angeles County is a smaller contractor whose reviews focus heavily on communication and responsiveness rather than technical detail. Multiple reviewers describe quick returned calls and clear follow-up throughout the process.