
The cost of blown-in insulation in Los Angeles, CA varies depending on the type of insulation, labor, prep work, and more. Learn more about the cost factors in this guide.
Insulation service costs depend on your project and location. Check with a local pro for your specific job.
Insulation installation in Los Angeles costs $2 to $7 per square foot.
Hiring an LA insulation installer costs $70 to $80 per hour.
LA homeowners can expect a 100% return on investment (ROI) for installing insulation.
New insulation can reduce your heating and cooling bills by 15% to 30%.
Average insulation installation costs in Los Angeles, California, range from $1,231 to $3,038, with most homeowners spending around $2,118. LA’s cost of living sits 50% above the national average, so both insulation materials and installation labor are more expensive here than in other parts of the country.
While LA doesn’t experience the same cold winters as many other cities, proper insulation is important in regulating your home’s temperature and optimizing your energy efficiency. The main factors affecting the cost of installing new insulation in Los Angeles are the area size, the type of insulation you choose, the installation location, and local labor.
How much you’ll spend on installing insulation in Los Angeles, California, depends on a variety of factors, including area size, insulation type, materials, location in the home, and labor. Here’s a closer look at what insulation is and how your costs break down.
You can expect to pay $2 to $7 per square foot for insulation installation in LA, making the size of the area you need to be insulated a significant factor in your total cost. Your total price will be directly correlated to the cost of the material you choose and the size of the area you need to be insulated.
The table below includes some average pricing based on the room size you’re looking to insulate.
| Square Footage | Average Cost |
|---|---|
| 100 | $200–$700 |
| 500 | $1,000–$3,500 |
| 1,000 | $2,000–$7,000 |
| 2,000 | $4,000–$14,000 |

Your material choice plays a major role in the price of your installation. In Los Angeles, you can pay anywhere from $0.25 to $7 per square foot for insulation, with fiberglass tending toward the lower end and wood fiber insulation toward the upper end. The table below includes some average pricing for different insulation materials.
| Material | Cost per Sq. Ft. |
|---|---|
| Cellulose | $1.80–$3 |
| Fiberglass | $1–$2.50 |
| Polystyrene | $1.50–$4 |
| Mineral wool | $1.50–$3.50 |
| Wood fiber | $4–$7 |
The type of insulation you choose for your home depends on your budget and project scope, particularly where you plan to install it, as some types perform better in certain locations than others. When evaluating types, such as blown-in versus spray foam, consider the costs and pros and cons below.
| Type of Insulation | Average Cost per Sq. Ft. | Pros | Cons |
|---|---|---|---|
| Spray foam | $3–$7 | Excellent air sealing and high R-value (efficiency); moisture control | Most expensive; requires pro installation; can be messy & harder to modify later |
| Blown-in and loose-fill | $2.60–$9.80 | Fills gaps and irregular spaces well; good for attics or existing walls | Settling can occur over time; less air sealing than spray foam |
| Batt and roll | $1–$2.50 | Generally lower cost; easy to install in open areas | Can leave gaps if not cut/installed carefully; lower air-seal performance |
| Foam board | $1.20–$3.70 | Good thermal resistance per thickness; useful for rim joists and exterior walls | Can be awkward to fit around irregular framing; more labor-intensive |
| Radiant barrier | $0.30–$2 | Reflects heat (good in hot climates/attics); can reduce peak cooling load | Must be used with other insulation types; no R-value |
Where you install the insulation can affect the price, with garages having the lowest cost per square foot and attics having the highest. Here’s a breakdown of how much it costs to insulate each location in your home.
| Location | Average Cost per Sq. Ft. |
|---|---|
| Attic | $1–$7 |
| Basement | $1.50–$4.50 |
| Garage | $0.50–$2 |
| Roof | $0.50–$1.50 |
| Wall | $1–$4 |
| Ceiling | $0.40–$2 |
Site prep can add to the cost of your project, but just how much you’ll spend depends greatly on the lengths you need to take to prepare the site. LA homeowners can spend as little as nothing or as much as $6 per square foot for the cost to repair drywall after installing insulation.
Spray foam, in particular, needs extra prep work for proper installation, whereas batt insulation generally goes in without much preparation at all. Site prep consists of the following:
Cover all valuables, windows, doors, and important surfaces for spray foam installations.
Make sure the electrical wiring is properly installed, and your walls are framed and fully enclosed before installing spray foam to avoid overspray.
Repair any structures in your home, including walls, attics, basements, and crawl spaces.
Remove moldy insulation, conduct a mold test, and hire a mold removal company.
Plan for cleanup costs for removing old insulation and debris.
Installing insulation in new construction homes is less expensive than adding it to existing homes, costing around $1 less per square foot. This is because the walls and ceilings are easier to access and install insulation, and you don’t have existing insulation to worry about.
However, many new construction homes use more insulative materials for long-term performance, which tends to be more costly.
A home insulation upgrade costs between $1 and $2 per square foot on average. This doesn’t include disposal fees. Junk removal services add approximately $200 to $600 to your project, depending on the size of the job.
In addition to your insulation materials and prep costs, LA homeowners must consider professional-related expenses when planning an insulation installation project. Here are some costs to budget for when hiring a Los Angeles insulation pro.
Most insulation installers in LA charge between $70 and $80 per hour, so the more complex the project, the higher the cost. A few complexities that may increase the cost of labor include:
Your installer needs to install insulation in hard-to-reach areas.
You have multiple installation sites in need of insulation.
The installer needs to remove old insulation.
Correctly installing insulation can be difficult. Health and safety risks are involved; therefore, we highly recommend contacting a pro to ensure the job is completed safely and correctly.
Most insulation installation companies include basic cleanup in their services, but you may wish to hire a professional cleaning company that specializes in construction cleanup. Post-construction cleanup in LA costs an average of $0.35 per square foot and ensures your space is free of dust and debris after your insulation is installed.
The sales tax rate in Los Angeles is around 9.5%, and homeowners here are required to pay tax on the materials portion of their insulation job. Installation labor is not taxable. It’s important to note that your pro pays the tax on the materials when they purchase them, and builds that amount into your total, rather than charging you a separate line item for sales tax on your invoice.
Along with your insulation installer, you may need to bring additional pros in to finish your project.
Electrician: Bringing in an electrician ensures all wiring is properly installed and is in good condition before you install your insulation, providing peace of mind and reducing the risk of fire. Hiring an electrician costs $50 to $130 per hour.
HVAC technician: An HVAC pro can check and seal all duct connections in the insulated area and make any necessary adjustments to your heating system to ensure optimal performance and energy efficiency. HVAC maintenance costs an average of $250 for a service call.
Proper insulation not only improves your home’s energy efficiency and lowers your heating and cooling bills by 15% to 30%, but it can also boost your home's resale value. In Los Angeles, you can expect a 100% return on investment (ROI) or higher when installing insulation in your home.
In addition, federal rebates and tax credits can cover a significant portion of your insulation costs, helping boost your ROI and recouping your costs faster.
When selling your home, today’s home buyers place an increasing importance on energy efficiency, and new insulation is an upgrade with wide appeal. Homeowners should also prioritize their own comfort and the financial savings from installing new insulation, even before their home hits the real estate market.
Home is the most important place on earth, which is why Angi has helped more than 150 million homeowners transform their houses into homes they adore. To help homeowners with their next project, Angi provides readers with the most accurate cost data and upholds strict editorial standards. We survey real Angi customers about their project costs to develop the pricing data you see, so you can make the best decisions for you and your home. We pair this data with research from reputable sources, including the U.S. Bureau of Labor Statistics, academic journals, market studies, and interviews with industry experts—all to ensure our prices reflect real-world projects.
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Boris and his crew were punctual and professional. They explained each step clearly and made sure the insulation was installed properly. We are very happy with the results.
Called Sammy team for a garage conversion and they knocked it out of the park. Now I have an awesome home office that looks like it was always meant to be there. The insulation work they did keeps it comfortable year-round.
We had a great experience! Joseph was our project manager: he was always available if we had questions or concerns, and responded quickly to phone calls or texts. He stopped by almost daily during the process. We now have a beautiful insulated aluminum patio cover with lights and a fan....
In our case, we got a quote for 20k to do the roof and 8k to add insulation 1369 square feet. They ripped out the roof and since it was rainy they had to put a tarp on it. After a few days the manager came in and did the inspection and ripped out the tarp three days before it was going to...
Everguard was great! Insulation job completed as scheduled and they were timely and professional.
Insulation Pros made the entire process from bid to completion seamless and easy. I wish that all of my home improvement jobs went as well.
Very professional and thorough. I would recommend them for insulation
They did a great job at the attic insulation removal. I needed my batts insulation removing for years and I wanted it replacing with blown in insulation. Luckily I found out that Attic Insulation Labs has experience with batts insulation and blown in insulation, so I was very happy and they...
We met with Jacob to talk and check the possibility of several improvements that we wanted to do at our house, including the replacement of the HVAC, remodel the kitchen, the bathrooms and the entry of the house. After we met several times and explored the options we have, we decided to start...
Terminix advised the process would take 2 teams. One to remove/vacuum the current insulation; while the other team re-installed the insulation. Cost: $5,200.00. After the rep left our home, I Googled the terminology and Everguard appeared. I called and without going into detail, Dina...
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