Insulation Company in Hollywood, CA
Blown in insulation is the most practical retrofit solution for most Hollywood homes, especially the 1920s bungalows and 1960s dingbat apartments that make up so much of the 90028 ZIP. We install loose-fill cellulose and fiberglass into walls, attics, and hard-to-reach cavities that were never insulated, or that have settled over decades. Because Hollywood’s housing stock spans century-old wood framing, mid-century stucco boxes, and newer high-rise condos, every job starts with an honest look at what’s behind the walls. Call Brea Insulation at (866) 858-4033 for a free estimate.
Why Hollywood Homes Are Different
Hollywood’s insulation challenges split along two lines: age and noise. The 1920s Spanish Colonial bungalows in the hillside pockets off the Boulevard often have no wall insulation at all – just wood framing, stucco, and plaster. The summer sun on south- and west-facing walls turns those uninsulated cavities into ovens by mid-afternoon, while the urban heat island keeps nighttime temperatures stubbornly high. Attic spaces in these older homes routinely hit 130°F or more in July and August, which is why attic insulation and air sealing matter more here than winter warmth ever will.
Noise is the second, uniquely Hollywood problem. Tour buses idle along Hollywood Boulevard, helicopters circle overhead for film crews, and nightlife hums until 2 a.m. In the hillside neighborhoods just off the Walk of Fame, original bungalows absorb that sound through uninsulated walls and single-pane windows. We regularly install blown-in cellulose for its acoustic dampening as much as its R-value. The dense mix of historic bungalows, mid-century apartments, and new mixed-use infill means no two jobs look the same – and that’s exactly why a one-material approach fails here.
Our Main Hollywood Services
Most Hollywood homeowners call us for one of two jobs: air sealing and upgrading the attic, or insulating existing walls without tearing them open. Here’s what each involves in 90028.
Attic Insulation in Hollywood
Attics in Hollywood’s older homes are rarely built for modern cooling loads. We find original rock wool or no insulation at all, venting that’s been painted over, and recessed can lights leaking conditioned air into the attic. Radiant heat gain through the roof is the single biggest driver of summer cooling bills here. We blow in loose-fill insulation, air seal penetrations, and bring attic R-values up to what the climate actually demands. See the full breakdown at Attic Insulation in Hollywood.
Spray Foam Insulation in Hollywood
For Hollywood homes with unusual framing, hard-to-reach rim joists, or a need for maximum air sealing, spray foam is the strongest tool in our lineup. Closed-cell foam adds structural rigidity and acts as a vapor barrier, which matters in Hollywood’s hillside homes where moisture from marine layers can collect against wood framing. Open-cell foam excels at sound control, a real benefit for homes near the Boulevard. Get the details at Spray Foam Insulation in Hollywood.
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 Hollywood
Blown in insulation is the go-to solution for Hollywood’s older homes because it reaches wall cavities and attic spaces without ripping out stucco or plaster. In a 1920s bungalow with original lath-and-plaster walls, we can drill small access holes, blow in loose-fill cellulose, and patch cleanly – preserving the historic character while adding real thermal and acoustic performance. It’s the same technique that works in 1960s dingbat apartments where wall cavities are shallow and access is tight. Learn more about the method at Blown In Insulation.
Cellulose Insulation
Signs you need it
You feel drafts near baseboards, hear street noise through walls, or your AC runs nonstop in summer without cooling the rooms evenly.
What it costs in Hollywood
Cellulose insulation for a typical Hollywood attic or wall retrofit runs $1.20 – $2.20 per square foot installed, depending on cavity depth and access.
How we do it
We run a hose from a truck-mounted blower, fill each cavity to the specified density, and patch the access holes to match the surrounding surface.
Blown In Attic Insulation
Signs you need it
The upstairs rooms are 10 degrees hotter than downstairs in summer, or your attic insulation has settled to a thin, uneven layer below the original depth.
What it costs in Hollywood
Blown in attic insulation in Hollywood typically runs $1,500 – $2,800 for a standard 1,000-square-foot attic, including air sealing around penetrations.
How we do it
We air seal can lights, top plates, and plumbing penetrations first, then blow loose-fill insulation to a consistent depth across the attic floor.
Blown In Fiberglass Insulation
Signs you need it
Your existing fiberglass batts are compressed, mold-stained, or pulled back in spots, leaving bare drywall exposed to attic heat.
What it costs in Hollywood
Blown in fiberglass runs $1.00 – $2.00 per square foot in Hollywood, with most homes landing between $1,200 and $2,500 for full attic coverage.
How we do it
We blow loose-fill fiberglass over existing batts or into empty cavities, then check with a depth gauge to confirm the R-value matches spec.
Loose Fill Insulation
Signs you need it
You can see daylight through gaps around wall outlets on exterior walls, or old insulation has slumped and left the top of wall cavities bare.
What it costs in Hollywood
Loose fill insulation for wall cavities in Hollywood lands between $1.50 – $2.50 per square foot, depending on whether we access from inside or outside.
How we do it
We drill access holes at the top and bottom of each stud bay, blow insulation to the target density, and seal every opening cleanly.
What Blown In Insulation Costs in Hollywood
| Item | Typical range in Hollywood |
|---|---|
| Cellulose insulation (per sq ft installed) | $1.20 – $2.20 |
| Attic blow-in, 1,000 sq ft attic | $1,500 – $2,800 |
| Fiberglass loose fill (per sq ft installed) | $1.00 – $2.00 |
How long does blown in insulation last in Hollywood?
Cellulose and fiberglass blown in insulation last 30 to 50 years when installed correctly and kept dry. In Hollywood, the main threats are roof leaks and rodents in older attics, so we check for both before installing.
Can you insulate Hollywood walls without opening them up?
Yes. For most 1920s bungalows and 1960s dingbats in Hollywood, we access wall cavities through small exterior or interior holes, blow in insulation, and patch to match. The stucco and plaster stay intact. Call (866) 858-4033 for a wall-by-wall assessment.
Brands We Service in Hollywood
We install materials from CertainTeed, Icynene, and GreenFiber, plus five other manufacturers. Each brand has a specific strength – GreenFiber’s recycled cellulose for sound control in Hollywood’s noisy corridors, Icynene’s open-cell foam for air sealing, CertainTeed’s fiberglass for budget-conscious attic top-ups. See the full bench at our brands.
Pricing for Insulation Company in Hollywood, CA
| Service | Typical range in Hollywood |
|---|---|
| Cellulose insulation (per sq ft) | $1.20 – $2.20 |
| Blown in attic insulation (1,000 sq ft) | $1,500 – $2,800 |
| Blown in fiberglass (per sq ft) | $1.00 – $2.00 |
| Loose fill wall insulation (per sq ft) | $1.50 – $2.50 |
| Attic air sealing package | $500 – $1,200 |
| Wall cavity retrofit, single room | $800 – $1,800 |
| Sound-reduction wall package (per room) | $1,200 – $2,400 |
| Attic insulation removal and replacement | $2,000 – $3,500 |
Hollywood pricing gets pushed up by a few things: hard-to-access hillside lots with limited truck parking, the need to work around production schedules and film permits on some streets, and older homes where knob-and-tube wiring must be worked around carefully. The price we quote is the price you pay – we don’t pad with surprise fees after the job starts.
Neighborhoods We Serve in Hollywood
We work across the entire 90028 ZIP, from the hillside bungalow pockets above Franklin Avenue to the mid-century apartments along Cahuenga and the newer condo towers near Sunset and Vine. Typical response time for a Hollywood estimate is 24 to 48 hours.
- Hollywood Dell
- Whitley Heights
- Beachwood Canyon
- Little Armenia
- Thai Town
Service Area – Cities Near Hollywood
Brea Insulation serves Hollywood and the surrounding communities. We also work in Universal City, CA, West Hollywood, CA, Koreatown, CA, and Echo Park, CA. Same crew, same eight-brand material bench, same upfront pricing.
Serving Hollywood, CA — Our Local Coverage Area
We’re based in the Hollywood 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 Hollywood
Most Hollywood estimates happen within 24 to 48 hours, and for urgent jobs like a failed attic that’s cooking the upstairs bedrooms in summer, we can often start installation within a few days. Call (866) 858-4033 and we’ll give you a real slot, not a vague range.
For most retrofit insulation work – attic top-ups, wall cavity blow-ins, air sealing – no permit is required in Los Angeles. If your Hollywood building is a designated historic landmark, some exterior work may trigger additional review, and we’ll flag that before starting.
Yes. We inspect every wall and attic cavity before blowing insulation, and we’ll identify any active knob-and-tube wiring that needs an electrician’s evaluation first. Insulation over live knob-and-tube is a fire risk, and we won’t do it. Most Hollywood homes with original wiring can still be insulated safely after the wiring is addressed.
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 within 60-minute.
- 4You approve before work beginsNothing starts until you say go.
What Hollywood Customers Say
"Installed baffles at the soffits so the new insulation didn't block the ventilation, which the previous contractor apparently never considered."
— Marisol Vargas"Told me the crawlspace didn't need doing and only the attic did. Half the job, half the money."
— Kelly Reed"Handled the utility rebate paperwork, which knocked a real amount off the final cost."
— Diego Garcia