The Best Insulation Contractors in Marysville, WA

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

#1

Snohomish Insulation, Inc.

4.8
(180 reviews)
Verified

A highly-rated, family-owned and operated insulation contractor with a strong focus on residential projects. They are known for their professionalism, expertise in energy-efficient solutions, and knowledge of local utility rebates. They offer a comprehensive suite of services from audits to installation.

3611 Oakes Avenue, Everett, WA 98201 (Serves Marysville)

Specialties & Features

Blown-in insulation
Spray foam insulation
Energy efficiency audits

Business Information

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

Pacific Insulation Company

4.7
(130 reviews)
Verified

A well-established contractor serving the North Puget Sound area with a reputation for quality workmanship and excellent customer service. They are particularly adept at handling complex projects, including crawl space and basement encapsulation, and offer both new construction and retrofit services.

P.O. Box 1656, Lynnwood, WA 98046 (Serves Marysville)

Specialties & Features

Crawl space insulation
Insulation removal and replacement
Air sealing services

Business Information

Years in Business:20 years
Licensed:Yes
Insured:Yes
#3

Evergreen Home Energy

4.9
(90 reviews)
Verified

While branding themselves broadly as an energy efficiency company, their core expertise and a significant portion of their work is in advanced insulation and air sealing. They are a Performance Tested Comfort Systems (PTCS) contractor, indicating a high level of training and commitment to building science principles for optimal home performance.

4020 Meridian St, Bellingham, WA 98229 (Serves Snohomish County, including Marysville)

Specialties & Features

Air sealing services
Spray foam insulation
Energy efficiency audits

Business Information

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

Why These Are the Top Insulation Contractors in Marysville

** The insulation market in Marysville, Washington, is competitive and served by a mix of local specialists and regional companies from neighboring cities like Everett and Lynnwood. The quality of service is generally high, driven by Washington State's strong energy codes and the availability of utility rebates from providers like Snohomish County PUD, which incentivize energy-efficient upgrades. The competition level is moderate to high, ensuring that homeowners have several good options, but it necessitates careful selection to find a contractor with the right specialization (e.g., historic home retrofit vs. new construction). Typical pricing is influenced by the high cost of living and labor in the Puget Sound region. As a rough guide: * **Blown-in Cellulose/Liberty Fiberglass:** $1.50 - $3.00 per square foot. * **Spray Foam Insulation (closed-cell):** $3.00 - $5.00 per board foot (a thickness measure). * **Whole-House Air Sealing:** $1,500 - $5,000+ depending on home size and leakage. Homeowners in Marysville are advised to seek multiple quotes and verify that contractors are familiar with local building codes and the specific rebate programs available through Snohomish County PUD.

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 Marysville regulations and climate

Frequently Asked Questions About Insulation in Marysville

Get answers to common questions about insulation services in Marysville, Washington.

1What are the most important insulation upgrades for Marysville homes given our local climate?

Due to Marysville's cool, damp winters and mild summers, the top priority is typically attic insulation to prevent significant heat loss. Properly insulating basement walls and crawl spaces is also crucial to combat moisture issues common in Western Washington and improve overall thermal efficiency. Air sealing before adding insulation is a key step to stop drafts and moisture-laden air from entering the home's structure.

2How much does insulation installation typically cost for a Marysville homeowner?

Costs vary based on home size, material (like fiberglass batts, blown-in cellulose, or spray foam), and the area being insulated, but a typical attic insulation project in Marysville can range from $1,500 to $4,500. It's important to get multiple itemized quotes, as Washington State offers sales tax exemptions for eligible insulation materials and labor, and local utility providers like PUD often have rebate programs that can significantly reduce the net cost.

3When is the best time of year to install or upgrade insulation in Marysville?

The ideal times are late spring (May-June) and early fall (September-October). These periods typically offer drier weather, which is important for certain insulation materials and for accessing attics and crawl spaces safely. Scheduling during these shoulder seasons also ensures your home is prepared before the peak winter dampness and chill set in, and you'll avoid the high-demand summer schedule of many contractors.

4What should I look for when choosing an insulation contractor in Snohomish County?

Always verify the contractor is licensed, bonded, and insured in Washington State. Look for local Marysville/Snohomish County experience, as they will understand specific building codes, common home construction styles, and regional moisture challenges. Ask for references and proof of certifications from manufacturers (like Owens Corning or CertainTeed), and ensure they perform a pre-installation assessment to determine the correct R-value for our climate zone.

5My older Marysville home feels drafty and has high humidity. Will insulation alone fix this?

Insulation works in tandem with air sealing and ventilation. In our humid marine climate, adding insulation without first air sealing can trap moisture within walls, leading to mold and rot. A professional assessment should address the "house as a system," identifying and sealing leaks from the Puget Sound breezes, then adding insulation, and ensuring proper attic and crawl space ventilation to manage moisture effectively.