Insulation contractor in Torrance, CA - even coverage from attic to crawl space
Evergreen Lawndale Spray Foam Insulation is an insulation contractor working in Torrance, CA. We seal, top up and replace insulation in attics, walls and crawl spaces, and we clear out old, dirty material when it has to go.

- Fully licensed and insured.
- Free estimates at your property.
- We respond within 1 business day.
Torrance houses, attics and crawl spaces we see
Torrance covers a lot of ground. The calls we get here run from single-story houses with low, tight attics to two-story homes where the upstairs runs hot. We also hear about condos, townhomes, and the offices and light industrial buildings that property managers look after. When I get up into an older Torrance attic, I usually find whatever went in when the house was built or a thin layer someone added later, and it's often packed down, dusty or chewed through.
The work looks a lot like what we do in Redondo Beach and Gardena, but each house sets the job. A low attic means more care around wiring and the eave vents, and ducts running through the attic change which material makes sense.
Insulation services we offer in Torrance
Spray foam insulation
When ductwork runs through the attic or the room over the garage stays uncomfortable, foam seals and insulates in one pass, though it costs more.
Attic insulation
Many Torrance attics we climb into have only a few packed-down inches left, so we measure what's there before deciding whether to top it up or start over.
Blown-in insulation
Blown-in insulation, loose fill blown through a hose, suits the low attics on single-story houses here because it reaches corners and eaves a person can't crawl to.
Home insulation
When the power bill climbs and some rooms run hot or drafty, we look at the attic, walls and floors and tell you which one to fix first.
Insulation removal
Old insulation that's soaked, full of droppings or flattened to nothing comes out before anything new goes in, so the problem doesn't stay buried under fresh material.
Crawl space insulation
Raised-floor houses with cold floors usually have bare or sagging insulation underneath, and we deal with any damp spots in the crawl space before we cover anything.
Wall insulation
Some older houses here have empty or thin exterior walls, and we can fill them through small openings without tearing out the drywall in every room.
Air sealing services
Air sealing, closing the small gaps where house air slips out, helps with drafts around outlets, plumbing and the wall you share with the garage.
Basement insulation
Not many Torrance houses have basements, but where a house or building has one, we check the walls for moisture before picking a material that won't trap it.
Closed-cell foam insulation
Closed-cell foam, a dense foam that blocks moisture, fits crawl spaces and basement walls where damp is the worry, once we've fixed whatever lets water in.
Open-cell foam insulation
Open-cell foam is lighter and softer, and it works under roof decks and in walls where you want air sealed and sound dulled more than moisture blocked.
Commercial insulation
Torrance has plenty of offices, shops and light industrial buildings, and we work with property managers to insulate and seal them around tenants' hours.
Crawl space vapor barrier
A plastic sheet over the dirt in a crawl space keeps ground moisture away from the floor framing, and we lay it once standing water is dealt with.
Vapor barrier installation
In walls, garages and finished spaces, a vapor barrier keeps damp from moving into the insulation, and we put it on the side where the wall needs it.
Attic air sealing
Can lights, old ceiling fixtures and the attic hatch pull air straight up, so we seal those from above before any new insulation covers them.
Retrofit insulation
Retrofit work brings an older house up without gutting it, working through the attic, crawl space and small wall openings, usually while you keep living there.
Get a written insulation estimate for your Torrance home
Send the form and we'll get back to you within one business day to set a time. I come out to your house, the estimate is free, and there's no pressure to book.
(424) 528-1317- Based in
- Lawndale, CA 90260
- Hours
- Mon–Fri: 7 AM–9 PM, Sat–Sun: 6 AM–9 PM
What we deal with on insulation jobs in Torrance
Insulation permits in Torrance go through the city's Building and Safety Division. Mechanical, electrical and plumbing work each need their own application, which can matter when a job also touches ducts or wiring. The city wants zoning clearance before a permit application goes in, and having that proof in hand keeps the review moving, so we get it lined up first. Before you hire anyone, you can ask for two things: a California contractor's license and a Torrance business license. We're fully licensed and insured. Before work starts we check with the city whether your job needs a permit, and when it does, we handle the paperwork and the inspection.
Torrance is close to our base in Lawndale, and we do the same work in Inglewood and Carson. What moves the price here is mostly what I find in the attic or crawl space: how much old material has to come out, how many gaps need sealing, how tight the space is to work in and whether foam makes sense because the ducts run up there. The schedule turns on whether a permit is needed and on anything that has to be fixed first, like a damp crawl space or wiring an electrician should look at. Your written estimate gives you your own figure.
What the ground and houses in Torrance do to insulation
The city has tightened its foundation rules because of expansive soil here. That's clay that swells when it's wet and shrinks as it dries, and the city ties its stricter soil checks to nearby earthquake faults and the hillside parts of the city. On a raised-floor house, that kind of ground movement can open gaps where pipes, vents and the foundation meet the floor. In a crawl space, we look for those gaps and any damp before we seal and insulate.
Up top, the problem we see most is older insulation that's thin at the edges and pulled away from can lights and the hatch, so the upstairs runs hot and the power bill climbs. We seal those spots first, keep the eave vents clear so the attic can still breathe, and bring the depth up evenly all the way to the edges.
How a Torrance insulation job runs with us
Here's how a job runs from your first call to the walk-through, so you know who you'll talk to and what you'll have in hand at each step.
Call or send the form
Call us at (424) 528-1317 or use the form, and we'll call back to set a time that works for you. Tell us what's bothering you, like a hot room upstairs or cold floors, so I know what to look at.
I look and measure
I come out myself to check the attic, walls or crawl space and measure what's there, and it helps if you're home to show me the rooms that bother you. I also note anything that has to be dealt with first, like old wiring, damp spots or insulation that looks like vermiculite.
Written estimate and permit filing
You get a written estimate that lists each step in order, so you can see what you're paying for before you decide. If you go ahead and a permit is needed, we file it online, which is the only way the city has taken submittals since January 5, 2026, and you can follow its status on the city's online permit portal.
Install and final walk-through
Our crew does the install with me on site and seals the gaps before any insulation goes down, and then I walk through the finished job with you. Satisfaction guaranteed on every job.
Questions about insulation in Torrance
How much does attic insulation cost in Torrance?
The price of attic insulation in Torrance comes down to three things: how much old material has to come out, how many gaps need sealing first, and whether you go with foam or loose fill. Foam costs more and seals air as it goes in. For most attics I'd rather seal the gaps and top up with blown-in, unless the ductwork runs through the attic, where foam usually earns its price. Your written estimate breaks the job into steps, so you can see where the money goes.
Do I need a permit to add insulation in Torrance?
It can need one, so we check with the city for your address before any work starts instead of guessing. The city's draft list of work exempt from a building permit names small items, like one-story detached sheds and playhouses up to 120 square feet, fences no taller than 3 feet, and finish work such as painting, tiling, cabinets and counter tops. Insulation isn't among those examples. The city has also said it's making that list more restrictive to fit local conditions.
When does an insulation contractor in California need a license?
The Contractors State License Board's guidance says a contractor needs a state license when the job needs a building permit, uses any other workers, or totals $1,000 or more in labor and materials across the contracts on the project. Under that guidance, a contractor can work without a license only when all of these hold: no advertising as licensed, no permit, no employees and under $1,000. A bigger job can't be split into smaller bills to get under the $1,000 line.
Who needs a business license to work on a house in Torrance?
The city requires a business license from anyone whose company is located in Torrance or who will physically work here, and that includes contractors based in other cities. It also covers businesses that deliver into Torrance in their own vehicles. It's fair to ask any contractor you're considering whether they hold one.
How do I know if my old attic insulation needs to come out?
Old insulation should usually come out when it's been wet, is full of droppings or has packed down so thin you can see the ceiling joists, because new material on top keeps the problem in your attic. Insulation that looks like vermiculite, a gray-brown pebbly fill, is different, and I stop and check before anyone disturbs it. If your attic isn't ready for new insulation yet, I'll tell you so when I measure.
How long does insulating an attic take in Torrance, and do we have to leave the house?
With blown-in insulation you can usually stay home. How long we're in your attic depends on its size, how much has to come out first and how much sealing it needs, and I'll tell you when I write the estimate. Spray foam is different, because the foam maker sets a re-entry time, which is how long before people and pets can come back inside. We give you that wait in writing ahead of the day, so you can plan for the kids and pets.
Lawndale, CA
Book your Torrance insulation estimate
If a roof or air conditioning job is coming up, call before it starts, because it's easier to plan the sealing and insulating around work that's already on the calendar.




