Compare the highest-rated insulation professionals in Calabasas, California. All contractors are licensed, insured, and verified through our rigorous screening process.
Attic Crew is a highly specialized, top-rated provider focusing primarily on attic services, including insulation, air sealing, and rodent proofing. They are known for their meticulous work, use of high-quality materials like Owens Corning insulation, and their strong emphasis on improving home energy efficiency. They are a BBB Accredited business with an A+ rating.
Part of a national brand with a strong local franchise, Koala Insulation is praised for its professional service, clear communication, and expertise in all insulation types. They offer free estimates and energy efficiency consultations. They serve both residential and commercial clients and are known for their knowledge of local rebate programs.
A family-owned and operated business serving Southern California, All City Insulation has built a strong reputation for reliability and quality workmanship. They handle a wide range of projects, from standard attic blow-in to complex spray foam applications and complete insulation removal and replacement. They are known for their competitive pricing and thorough clean-up.
** The insulation market in Calabasas is characterized by high-quality, premium service providers catering to a discerning clientele. Due to the city's climate—hot, dry summers and mild, wet winters—the focus is heavily on heat rejection and maintaining consistent indoor temperatures, driving demand for advanced solutions like spray foam and comprehensive air sealing. **Competition Level:** The market is moderately competitive, but dominated by a few highly specialized and reputable contractors rather than a large number of generalists. Companies that offer energy audits and understand local utility rebates (like those from SoCalGas and LADWP) have a significant advantage. **Average Quality:** The average quality of service is very high. Homeowners in Calabasas expect professional crews, proper licensing and insurance, clean job sites, and the use of premium, brand-name materials. Expertise in modern building science and air sealing is considered standard for top-tier providers. **Typical Pricing:** Pricing is at a premium compared to broader Southern California averages, reflecting the high cost of living and service expectations in the area. * **Blown-In Cellulose/Fiberglass Attic Insulation:** $1,800 - $4,500 * **Spray Foam Insulation (Open Cell):** $2.50 - $4.50 per board foot * **Spray Foam Insulation (Closed Cell):** $4.50 - $7.50 per board foot * **Whole-House Air Sealing:** $1,500 - $3,000+ * **Insulation Removal:** $1.50 - $3.50 per square foot Most reputable companies offer free, detailed estimates, and it is highly recommended that homeowners obtain 2-3 quotes before proceeding.
4.7+ star average from verified customer reviews
All contractors are properly licensed and insured
10+ years average experience in the industry
Familiar with Calabasas regulations and climate
Get answers to common questions about insulation services in Calabasas, California.
For a standard Calabasas home (2,500-3,500 sq ft), attic insulation costs typically range from $1,500 to $4,500, depending on the material (blown-in cellulose or fiberglass is common) and the target R-Value. Given our hot, dry summers and mild but occasionally chilly winters, the California Title 24 energy code recommends an attic R-Value of R-38 to R-60, which influences material needs and final cost. Always get itemized quotes that include air sealing, as this is critical for efficiency in our climate.
The ideal time is during our mild fall (October-November) or spring (March-April) seasons, as attic temperatures are more tolerable for installers, which can improve work quality and speed. While insulation can be installed year-round, avoiding the peak summer heat is safer for crews and prevents your AC from overworking during the installation. This timing also prepares your home for both summer heat waves and our cooler winter nights.
Yes, all work must comply with the California Title 24 Building Energy Efficiency Standards, which set minimum R-Values for different areas of the home. For retrofits, you may need a permit from the City of Calabasas Community Development Department, especially if it involves structural alterations. Additionally, if your home was built before 1980, you should have a professional check for asbestos before disturbing existing insulation, a common local consideration in older Calabasas estates.
Prioritize contractors who are licensed (check their CSLB number), insured, and have specific experience with homes in our local microclimate. Look for companies knowledgeable about Title 24 and ask for local references in similar upscale communities. A trustworthy provider will perform a thorough energy audit or inspection first, focusing on air leakage—a major source of energy loss in our Santa Ana wind conditions—not just adding bulk insulation.
The most common issue is inadequate air sealing, not lack of insulation itself. Gaps, cracks, and penetrations in the attic floor, walls, and around windows allow hot Santa Ana winds in summer and cool canyon breezes in winter to bypass your insulation entirely. A comprehensive approach that combines dense-pack wall insulation, attic air sealing with caulk and foam, and proper weatherstripping is far more effective for Calabasas homes than simply adding more attic batts.