Insulation Company in Long Beach, CA
Blown in insulation is the most common request we get from Long Beach homeowners, and for good reason: most of the housing stock here predates modern building codes and was never insulated properly in the first place. In ZIP codes like 90810, 90813, 90814, and 90815, we’re typically working in attics and walls that have settled, sagged, or simply never had enough coverage. Add the coastal marine layer that keeps things damp year-round, and Long Beach insulation work becomes a diagnosis-first job, not a one-product-fits-all job. If you’re tired of rooms that never hold temperature or energy bills that keep climbing, call us at (855) 341-7810 for a free estimate.
Why Long Beach Homes Are Different
Long Beach is a coastal marine-layer city, and the dominant insulation challenge here is not heating. It’s year-round condensation and salt-laden damp air. The older bungalows and Craftsman-era homes in ZIPs like 90802, 90803, and 90804 were built with no vapor control at all. That means insulation work in these houses is as much about moisture management as it is about R-value. We routinely find fiberglass batts that have sagged and gone moldy from decades of marine-layer damp, plus attics that were never vented properly in the first place. The fix in those homes is ventilation and air sealing before adding any new material.
The housing stock tells the same story. Much of Long Beach is pre-war and mid-century: 1920s bungalows, Craftsman homes, and postwar tract housing in 90805 and 90806. Many of these homes have knob-and-tube-era walls, minimal or no insulation, and unvented or poorly vented attics and crawlspaces. That’s a different job than in inland LA or Orange County, where dry heat and attic bake dominate. Here, the damp is constant. The right insulation for a Long Beach home has to be moisture-tolerant first, high-R second.
Our Main Long Beach Services
Most Long Beach homeowners call us about two services: attic insulation and spray foam. Both solve real problems here, but they solve different ones, so here’s what each looks like in this city.
Attic Insulation in Long Beach
Attic insulation in Long Beach usually means dealing with what’s already up there, not starting fresh. In the older near-shore neighborhoods like 90803 and 90804, we regularly pull out fiberglass batts that have gone flat and musty from years of marine-layer moisture. The job is removal, then ventilation correction, then new material chosen for how it handles damp air. If your attic has never been touched since the house was built, or if your upstairs rooms run noticeably warmer than downstairs, Attic Insulation in Long Beach covers the full scope of what we do and what it costs.

Spray Foam Insulation in Long Beach
Spray foam in Long Beach earns its keep as an air seal, not just an insulator. In older homes with unsealed rim joists, wall cavities, and crawlspace gaps, moist ocean air moves through the building envelope constantly. Closed-cell foam stops that air movement, which is why we recommend it for crawlspaces and underfloor applications near the coast. It’s also the right call for homes where the attic is used for storage or where ducts run through unconditioned space. Spray Foam Insulation in Long Beach details our Icynene and Demilec options and where foam outperforms other methods here.

What happens when you call
- 1
A real person answersNo phone trees — you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Blown In Insulation in Long Beach
Blown in insulation is the fastest, most practical fix for most Long Beach attics. In a city where the housing stock is pre-war and mid-century, many homes never had more than a few inches of loose material up top, and what’s there has compacted over decades or gone damp from the marine layer. Blown in material lets us reach all the awkward corners, bays, and low-clearance areas that batts can’t cover evenly. For Long Beach homeowners, the payoff is immediate: more even temperatures room to room and a heating and cooling system that isn’t running constantly against the damp coastal air. We install Blown In Insulation with whatever material matches the house, whether that’s recycled-content cellulose or fiberglass.
Cellulose Insulation
Signs you need it
Your attic insulation has settled below the top of the floor joists, or your energy bills spike in summer despite moderate coastal temperatures.
What it costs in Long Beach
Blown in cellulose in Long Beach typically runs $1.20 to $2.40 per square foot, with most attic jobs landing between $1,200 and $3,800 depending on depth and access.
How we do it
We air-seal the attic floor first, then blow GreenFiber cellulose to the target depth using calibrated hoses, reaching every bay and corner without disturbing your ceiling.
Blown In Attic Insulation
Signs you need it
Rooms under the attic feel noticeably hotter in summer, or you can see bare spots and thin coverage when you look up there.
What it costs in Long Beach
Blown in attic insulation for a typical 1,200 to 1,800 square foot Long Beach home runs $1,400 to $4,900, including removal of any compromised existing material if needed.
How we do it
We map the attic, remove any moldy or compressed material, correct venting if necessary, and blow new insulation to an even R-value across the whole floor.
What Blown In Insulation Costs in Long Beach
| Item | Typical range in Long Beach |
|---|---|
| Blown in cellulose per square foot | $1.20 – $2.40 |
| Blown in attic insulation (typical home) | $1,400 – $4,900 |
| Attic air sealing and prep | $350 – $900 |
Is blown in insulation good for older Long Beach homes?
Yes, it’s often the best choice. Blown in material fills the irregular cavities and shallow bays common in 1920s bungalows and mid-century tract houses, where batts leave gaps. The key is addressing moisture first, which we do before blowing anything in.
How long does blown in insulation last in Long Beach’s damp climate?
Cellulose and fiberglass both last 20 to 30 years if the attic is vented correctly and the air seal is done properly. In Long Beach, the marine layer shortens the lifespan of any insulation when moisture is ignored, so ventilation correction is part of every job we quote. Call (855) 341-7810 for a specific assessment of your attic.
Brands We Service in Long Beach
We install GreenFiber for recycled-content blown in work, Owens Corning and Johns Manville for fiberglass batts and loose fill, and Knauf for thermal and acoustic applications. That multi-brand access means the product is chosen for your Long Beach home’s actual conditions, not for what one manufacturer happens to make. See our brands for the full range of what we carry and why it matters.
Pricing for Insulation Company in Long Beach, CA
| Service | Typical range in Long Beach |
|---|---|
| Blown in cellulose per square foot | $1.20 – $2.40 |
| Blown in attic insulation (typical home) | $1,400 – $4,900 |
| Attic air sealing and prep | $350 – $900 |
| Fiberglass batt attic insulation (typical home) | $1,100 – $3,400 |
| Spray foam attic insulation (typical home) | $3,500 – $9,500 |
| Spray foam crawlspace or rim joist | $1,800 – $4,800 |
| Insulation removal (per square foot) | $0.90 – $2.10 |
| Full home insulation (walls and attic, typical home) | $4,800 – $14,000 |
What pushes pricing up in Long Beach is usually the condition of what’s already there: moldy fiberglass from decades of marine-layer damp, attics that were never vented, and tight access in older bungalows with low-pitch roofs. We quote upfront, in writing, and the number we give you is the number you pay.
Neighborhoods We Serve in Long Beach
We work throughout Long Beach, from the Craftsman-era streets near downtown to the postwar tracts further inland. Response time is typically one to two business days for an estimate, and we schedule installations around your availability, not the other way around.
- Belmont Heights (90803)
- Bixby Knolls (90807)
- Eastside (90814)
- Los Altos (90815)
- Wrigley (90806)
Service Area – Cities Near Long Beach
Cool House Insulation serves Long Beach and the surrounding South Bay and Gateway Cities areas. If you’re in Signal Hill, CA, Lakewood, CA, Carson, CA, or West Carson, CA, we can typically schedule an estimate within the same week. The coastal moisture conditions we described apply across much of this area, so the diagnosis-first approach holds wherever you are.
Serving Long Beach, CA — Our Local Coverage Area
We’re based in the Long Beach area and know this community well. Use the map below to see our service coverage — if you’re nearby, we can almost certainly help.
FAQs About Insulation Company in Long Beach
We typically schedule estimates within one to two business days across Long Beach, including the 90810, 90813, 90814, and 90815 ZIP codes. Installation is usually booked within one to two weeks of the estimate, depending on the scope and your schedule. Call (855) 341-7810 to get on the calendar.
Most insulation work in existing homes does not require a permit in Long Beach, but if the job involves structural changes or new construction, permitting falls under the general building permit for that project. We handle the scope questions during the estimate and tell you exactly what applies to your home.
Yes, but condos and apartments sometimes have HOA rules about what can be done in shared walls, attics, and crawlspaces. We’ll review those with you during the estimate and adjust the material and method to comply with what the association allows. Attic and in-unit work is usually straightforward; shared-wall work varies by building.
For a free estimate on blown in insulation, attic work, or spray foam in Long Beach, call Cool House Insulation at (855) 341-7810. We’ll look at what’s actually happening in your attic and walls, then recommend the right material and method for your home, not the only one we carry.
What happens when you call
- 1A real person answersNo phone trees — talk to a local insulation pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically same-day.
- 4You approve before work beginsNothing starts until you say go.
What Long Beach Customers Say
"Found and sealed a gap around the chimney chase that was basically an open chimney to the attic."
— Claudia Hernandez"Work is good and the house is noticeably more comfortable. There was insulation debris left in the hall closet under the attic access that I had to clean up."
— Adam Whitaker"Attic was at maybe R-11 from the 1970s and blown in over the top would have just buried the problem. They removed the old material, air sealed the top plates and penetrations first, then blew in to R-49. The upstairs is a completely different house in August."
— Ernesto Reyes