The Best Insulation Contractors in Mendocino, CA

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

#1

Anderson Insulation & Home Performance

4.8
(140 reviews)
Verified

A leading provider in the North Bay and Mendocino County, Anderson Insulation specializes in comprehensive home performance solutions. They are well-regarded for their energy audits, air sealing, and expertise in both blown-in cellulose and spray foam insulation, particularly for complex attic and crawl space projects in the region's diverse climate.

1340 S State St, Ukiah, CA 95482 (Serves Mendocino)

Specialties & Features

Energy efficiency audits
Blown-in insulation
Crawl space insulation

Business Information

Years in Business:15 years
Licensed:Yes
Insured:Yes
#2

Redwood Energy

4.7
(95 reviews)
Verified

While based slightly further north, Redwood Energy is a cornerstone for energy efficiency work in the North Coast, including Mendocino. They are deeply knowledgeable about local rebates and building codes, focusing on creating tight building envelopes through advanced insulation and air sealing techniques for maximum energy savings.

785 18th St, Arcata, CA 95521 (Serves the entire North Coast region)

Specialties & Features

Spray foam insulation
Air sealing services
Insulation removal and replacement

Business Information

Years in Business:12 years
Licensed:Yes
Insured:Yes
#3

Mendocino Sustainable Builders

4.6
(80 reviews)
Verified

A local Mendocino County contractor that integrates high-performance insulation into their building and remodeling projects. They are an excellent choice for homeowners seeking a contractor with deep local knowledge, particularly for wall insulation upgrades in existing homes and new construction, with a strong focus on sustainable materials.

320 E Gobbi St, Ukiah, CA 95482 (Serves Mendocino)

Specialties & Features

Wall insulation services
Attic insulation upgrade
Basement and crawl space insulation

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Mendocino

** The insulation market in Mendocino, California, is characterized by a small number of highly specialized local and regional contractors. Due to the coastal climate—cool, often damp winters and mild summers—the focus for homeowners is often on moisture control, preventing mold, and improving year-round comfort rather than just extreme temperature mitigation. This makes services like air sealing, crawl space encapsulation, and moisture-resistant insulation (such as closed-cell spray foam) particularly valuable. Competition is moderate; while there aren't dozens of providers, the existing companies are established and highly knowledgeable. They are well-versed in working with the area's older housing stock and understanding the specific challenges of insulating near the coast. Pricing is typically above the national average, reflecting the high cost of living in California, the rural service area, and the expertise required. Homeowners should expect a premium for quality work, especially for comprehensive home performance packages that include air sealing and energy audits, which can qualify for local utility rebates (e.g., from Pacific Gas and Electric).

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 Mendocino regulations and climate

Frequently Asked Questions About Insulation in Mendocino

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

1How does Mendocino's coastal climate affect my insulation choices and needs?

Mendocino's cool, damp, and often foggy coastal climate creates a unique challenge where managing moisture is as critical as thermal resistance. We recommend materials with high moisture resistance, such as closed-cell spray foam or damp-proof mineral wool, to prevent mold and maintain R-value. Properly insulating your attic and crawl space is especially vital here to combat the persistent dampness and moderate year-round temperatures.

2What is the typical cost range for insulating an older home in Mendocino County, and are there any rebates?

For a typical older Mendocino home, adding or upgrading insulation can range from $2,500 to $8,000+, depending on the home's size, accessibility, and material chosen (e.g., blown-in cellulose vs. spray foam). California and local utility providers, like Pacific Gas and Electric (PG&E), often offer rebates and incentives through programs like Energy Upgrade California, which can significantly offset costs for qualifying energy-efficient upgrades.

3When is the best time of year to schedule insulation work in Mendocino?

The ideal time is during the drier late spring to early fall months (typically May through October) to minimize exposure to rain and heavy fog during installation. This period allows for proper ventilation and drying if needed, and scheduling ahead of the cooler, wetter winter ensures your home is prepared for the season when heating efficiency is most critical.

4What should I look for when choosing a local insulation contractor in Mendocino?

Prioritize contractors licensed by the California Contractors State License Board (CSLB) with specific experience in our coastal climate. Ask for local references and proof of insurance, and ensure they conduct a thorough pre-installation assessment for moisture and ventilation issues common here. A reputable provider will also help you navigate Title 24 energy code requirements and available rebate paperwork.

5My home has a vintage or historic character. Are there insulation solutions that won't compromise its integrity?

Absolutely. For historic homes common in Mendocino, solutions like dense-pack cellulose or specialized mineral wool can be gently blown into wall cavities with minimal intrusion, preserving original lathe and plaster. For underfloors and attics, batt insulation is often a good fit. A qualified local contractor can assess your home's specific structure to recommend the most effective, non-invasive method.