Insulation Company in Long Beach, CA
Blown in insulation solves the biggest comfort problem we see across Long Beach: drafty older homes where the original insulation has settled, flattened, or never existed in the first place. Long Beach’s mix of 1920s bungalows, mid-century stucco tract houses, and postwar apartments means most attics are under-insulated by today’s standards, and the marine layer drifting in from the coast keeps moisture a constant variable. Hearthside Insulation installs blown in fiberglass and cellulose tailored to each home’s framing and ventilation setup. Call (877) 265-4871 for a free estimate.
Why Long Beach Homes Are Different
Long Beach insulation work is not like inland California jobs. The coastal marine layer and steady onshore flow keep temperatures mild but humidity high for much of the year, so the real enemy in most attics is moisture, not heat. Homes built from the 1920s through the 1970s dominate neighborhoods like Belmont Heights, Bixby Knolls, and the older blocks of 90802 through 90806, and many of them have minimal attic insulation that has degraded over 50 or 60 years of exposure to damp coastal air. Techs working the bungalow rows near Retro Row and the Craftsman houses in Rose Park routinely find insulation matted flat, darkened by years of absorbed moisture, and leaving framing voids completely unsealed.
The stucco tract homes spread through ZIP codes 90805, 90807, and 90808 present a different challenge. These 1950s to 1970s builds often have thin fiberglass batts in the attic and zero air sealing at top plates, plumbing penetrations, and electrical chases. That means warm, moist interior air migrates into the attic every day, condensing against the underside of the roof deck. The result is insulation that performs far below its labeled R-value. Long Beach homeowners need insulation paired with honest ventilation assessment and vapor management, because stacking more material on top of a moisture problem only makes the problem worse, slower.
Our Main Long Beach Services
Two services account for most of the calls we take from Long Beach homeowners: attic insulation upgrades in the older housing stock, and spray foam for the tighter air-sealing needs that the humid coastal air makes essential. Both are covered below, with dedicated pages for each.
Attic Insulation in Long Beach
Most Long Beach homes built before 1980 have attic insulation that falls well short of what the climate actually demands. The marine layer means moisture management is non-negotiable, and the older bungalows in 90802 through 90806 need a contractor who understands ventilation first, R-value second. We remove flattened or damp material, air-seal the framing, and install fresh insulation matched to the home’s age and framing style. See the full breakdown on our Attic Insulation in Long Beach page.

Spray Foam Insulation in Long Beach
Spray foam earns its keep in Long Beach by doing what loose fill cannot: stopping the humid coastal air before it enters the attic or wall cavities. Open-cell foam from Icynene or Demilec handles interior sound and thermal control in framed walls, while closed-cell provides an air and vapor barrier in one pass for rim joists and cathedral ceilings. We carry both major spray foam systems so the recommendation you get is driven by your home’s construction, not by what we stock. Read the full service details at Spray Foam Insulation in Long Beach.

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, least disruptive way to bring a Long Beach attic up to modern performance standards. Loose fill fiberglass or cellulose is blown through a hose into the attic floor, filling irregular joist bays, odd angles, and the tight framing of 1920s bungalows in 90802 through 90806 without tearing out drywall or rebuilding anything. Because Long Beach’s coastal humidity degrades older insulation faster than inland heat ever would, the material you choose matters, and so does the machine and the installer running it. We install blown in insulation from Owens Corning, Knauf, and Johns Manville, matched to your home’s ventilation and framing. Here’s what that work looks like in Long Beach, with full detail from the Blown In Insulation hub.
Cellulose Insulation
Signs you need it
Your attic insulation looks thin, settled, or dark from moisture, or your upstairs rooms run noticeably warmer than the rest of the house.
What it costs in Long Beach
Blown in cellulose runs roughly $1.10 to $1.70 per square foot installed in Long Beach attics, with the final number driven by depth and existing-material conditions.
How we do it
We remove any damp or compromised material, air-seal the framing bays, and blow recycled cellulose to a consistent depth across the entire attic floor.
Blown In Attic Insulation
Signs you need it
Your energy bills climb every summer while upstairs rooms stay stuffy, or you can see the tops of the ceiling joists in your attic.
What it costs in Long Beach
Blown in attic insulation in Long Beach typically costs $1,500 to $2,900 for a standard 1,000 to 1,700 square foot house, depending on depth and prep work.
How we do it
We locate and seal air leaks at top plates, wire holes, and flue chases first, then blow loose fill fiberglass or cellulose to the R-value you chose.
Blown In Cellulose Insulation
Signs you need it
Your home is older, drafty, and under-insulated, and you want an eco-conscious material with strong air-blocking performance.
What it costs in Long Beach
Blown in cellulose runs about $1.10 to $1.70 per square foot in Long Beach, with GreenFiber recycled-content product available.
How we do it
We blow recycled paper-fiber cellulose treated with borate into attics and enclosed wall cavities, achieving a dense, even fill that resists settling.
Blown In Fiberglass Insulation
Signs you need it
Your attic has old batts that have collapsed or shifted, leaving bare spots and gaps along the eaves and around framing.
What it costs in Long Beach
Blown in fiberglass runs $1.40 to $2.10 per square foot installed in Long Beach attics, with Knauf and Owens Corning products available.
How we do it
We remove the failed batts, air-seal the attic floor, and blow loose fill fiberglass in a uniform layer at the depth required for your target R-value.
What Blown In Insulation Costs in Long Beach
| Item | Typical range in Long Beach |
|---|---|
| Blown in fiberglass (per sq ft) | $1.40 – $2.10 |
| Blown in cellulose (per sq ft) | $1.10 – $1.70 |
| Standard attic (1,000 – 1,700 sq ft home) | $1,500 – $2,900 |
How much does blown in insulation cost in Long Beach?
For a typical Long Beach attic, blown in insulation runs $1,500 to $2,900 depending on square footage, depth, and whether old material needs removal first. Call (877) 265-4871 for a fixed quote.
Is blown in insulation worth it in Long Beach’s climate?
Yes, because the marine layer makes air sealing and moisture control the performance drivers here. Blown in fiberglass or cellulose paired with proper sealing cuts air movement and humidity exposure in the attic.
Brands We Service in Long Beach
Hearthside Insulation installs blown in and spray foam products from Owens Corning, Knauf, Johns Manville, and Rockwool across Long Beach. We stock the loose fill and batt lines these manufacturers make for coastal climates, and our installers pull from the our brands lineup daily, so material lead times on Long Beach jobs run short.
Pricing for Insulation Company in Long Beach, CA
| Service | Typical range in Long Beach |
|---|---|
| Blown in fiberglass (per sq ft) | $1.40 – $2.10 |
| Blown in cellulose (per sq ft) | $1.10 – $1.70 |
| Blown in attic insulation (standard home) | $1,500 – $2,900 |
| Spray foam, open-cell (per sq ft) | $1.50 – $2.40 |
| Spray foam, closed-cell (per sq ft) | $2.10 – $3.30 |
| Spray foam rim joist package (small home) | $1,200 – $2,800 |
| Attic air sealing only | $650 – $1,500 |
| Attic insulation removal | $450 – $900 |
| Batt installation, R-38 (per sq ft) | $1.90 – $2.90 |
Two things push Long Beach prices higher than inland quotes: moisture-damaged material that must be removed before new insulation goes in, and the cramped or low-slope attics common in 1920s – 1950s bungalows. Hearthside gives you a fixed, upfront price before any work begins, and that number does not change unless you change the scope.
Neighborhoods We Serve in Long Beach
We run crews all over Long Beach, and the neighborhoods below are where most of our insulation jobs happen.
- Belmont Heights
- Bixby Knolls
- Rose Park
- Retro Row / Alamitos Beach
- North Long Beach
When you call for an estimate, we can usually get a technician out within 24 to 48 hours, and our schedulers know the neighborhood layouts well enough to give you a realistic arrival window.
Service Area – Cities Near Long Beach
Hearthside Insulation serves Long Beach and the surrounding communities, including Signal Hill, CA, Lakewood, CA, Los Alamitos, CA, and Rossmoor, CA. If you live in one of these cities and need blown in, attic, or spray foam insulation, call us and we’ll schedule the same assessment we’d do for a Long Beach home.
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
Most insulation-only jobs in Long Beach do not require a city permit, since the work happens inside the thermal envelope and does not alter structure. If your project involves removing drywall or changing framing, a permit may apply, and we’ll tell you before we start.
We can typically schedule an estimate within 24 to 48 hours for homes in Long Beach ZIP codes 90810, 90813, 90814, and 90815. Most blown in attic jobs run one day once the estimate is approved and materials are confirmed.
Yes, we regularly handle insulation work for Long Beach property managers and builders. Because Hearthside Insulation has served Long Beach since 2016, our crews understand the older building stock and the moisture realities of coastal construction.
Call (877) 265-4871 to schedule a free Long Beach insulation estimate. We’ll inspect your attic, tell you what’s there now, and give you a fixed price for the work.
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
"He did a blower door test before and after and gave me the numbers. I like being able to see the difference rather than being told about it."
— Angela Nguyen"Installed baffles at the soffits so the new insulation didn't block the ventilation, which the previous contractor apparently never considered."
— Sofia Delgado"Told me the crawlspace didn't need doing and only the attic did. Half the job, half the money."
— Nathan Meyer