The Best Insulation Contractors in Monterey Park, CA

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

#1

Attic Pro

4.8
(280 reviews)
Verified

A highly specialized and top-rated contractor focusing primarily on attic services, including insulation, ventilation, and air sealing. They are renowned for their meticulous work, energy efficiency expertise, and knowledge of available rebates. They serve the entire San Gabriel Valley, including Monterey Park.

15833 Garfield Ave, South El Monte, CA 91733 (This is a nearby servicing location; they operate throughout the region)

Specialties & Features

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

Business Information

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

Green Energy Insulation

4.7
(190 reviews)
Verified

A reputable company with a strong focus on modern, energy-efficient solutions. They are experts in blown-in cellulose and spray foam applications and often perform energy audits to identify the most effective upgrades for home comfort and savings.

They service Monterey Park directly from their regional office. (Physical office is in a nearby city, but they are a prominent local service provider).

Specialties & Features

Blown-in insulation installation
Spray foam insulation
Energy efficiency audits

Business Information

Years in Business:10 years
Licensed:Yes
Insured:Yes
#3

Insulation Brothers

4.9
(150 reviews)
Verified

A family-owned and operated business known for exceptional customer service and high-quality installation work. They offer a wide array of services, making them a great one-stop shop for whole-home insulation projects, including walls, basements, and crawl spaces.

Servicing Monterey Park and the greater San Gabriel Valley.

Specialties & Features

Wall insulation services
Basement and crawl space insulation
Insulation removal and replacement

Business Information

Years in Business:8 years
Licensed:Yes
Insured:Yes

Why These Are the Top Insulation Contractors in Monterey Park

** The insulation market serving Monterey Park is characterized by high-quality, specialized contractors rather than a high volume of generic competitors. The city's housing stock consists largely of single-family homes built from the mid-20th century, many of which have original, under-performing insulation. This creates a strong demand for upgrade and replacement services, particularly in attics. **Average Quality:** The top-tier providers, like those listed, offer excellent quality, using modern materials and techniques (e.g., dense-pack cellulose, spray foam) and adhere to strict building codes. **Competition Level:** Moderate but specialized. While there are many general handymen, the market for professional, licensed insulation specialists is more concentrated. The leading companies compete on expertise, service quality, and knowledge of energy rebates (like those from Energy Upgrade California or LADWP) rather than just price. **Typical Pricing:** Pricing is competitive with the greater Los Angeles area. Costs are influenced by material type and project scope. As a rough guide: * **Attic Blown-In Cellulose:** $1.50 - $3.00 per square foot. * **Spray Foam (closed cell):** $3.00 - $5.00 per square foot. * **Wall Insulation (blown-in):** $3.00 - $5.00 per square foot. Most reputable companies provide free, detailed estimates after an on-site inspection, which is considered an industry standard in this market.

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 Monterey Park regulations and climate

Frequently Asked Questions About Insulation in Monterey Park

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

1What is the typical cost range for adding or upgrading attic insulation in a Monterey Park home?

For a typical single-family home in Monterey Park, adding blown-in insulation to an attic can range from $1,500 to $3,500, depending on the square footage, material chosen (like fiberglass or cellulose), and the desired R-Value. Costs are influenced by California's Title 24 energy standards, which recommend higher R-Values (often R-38 to R-60 for attics) for our climate zone, and local labor rates. It's wise to get multiple itemized quotes from local contractors to compare.

2When is the best time of year to schedule insulation work in Monterey Park?

The ideal time is during our mild, dry seasons—late spring (April-May) or early fall (September-October). This avoids the intense summer heat, which can make attic work unbearable for crews and less efficient, and our occasional winter rains. Scheduling during these shoulder seasons also ensures better contractor availability and allows you to improve your home's thermal envelope before peak cooling or heating demands.

3Are there any local rebates or incentives for insulation upgrades available to Monterey Park residents?

Yes, Monterey Park residents have access to several programs. The primary source is the statewide Energy Upgrade California program, which offers rebates for comprehensive upgrades that meet specific standards. Additionally, you should check with the Los Angeles County Department of Public Works and your specific utility provider (like Southern California Edison) for current rebates and any income-qualified assistance programs for improving home energy efficiency.

4How do I choose a reliable insulation contractor in the Monterey Park area?

Always verify that the contractor is licensed (check their CSLB license number online), insured, and has specific experience with homes in our region. Ask for local references in nearby cities like Alhambra or San Gabriel. A reputable provider will perform a thorough energy assessment, discuss California's Title 24 requirements, and provide a detailed written estimate that includes the type of material, agreed-upon R-Value, and a clear scope of work.

5My older Monterey Park home feels drafty. Is air sealing just as important as adding more insulation?

Absolutely. For our Mediterranean climate with cool nights and warm days, air sealing is a critical first step. Gaps, cracks, and leaks around windows, doors, and attic penetrations let conditioned air escape, undermining your insulation's effectiveness. A professional will perform a blower door test to identify leaks. Proper air sealing, combined with adequate insulation, is the most effective strategy for comfort and energy savings in our local climate.