Trusted Attic Insulation for West Hollywood Homeowners
Most attic insulation jobs in West Hollywood run between $2,400 and $5,800 depending on square footage, existing insulation condition, and whether air sealing is needed first. We typically complete attic insulation projects in a single day, and same-day estimates are available throughout West Hollywood and nearby neighborhoods. Call (213) 306-2607 to schedule a free written estimate with a documented photo record.
We’ve sealed and insulated more than 9,000 homes since 2016, every one starting with a written price before any work starts and ending with documentation you can keep. In West Hollywood, we regularly see attics with original insulation from the 1960s-1980s building boom, compressed well below its rated R-value and bypassed by unsealed top plates and recessed can lights. The climate here swings from 90°F summer days to 45°F winter nights, and without proper attic insulation and air sealing, your conditioned air escapes straight through the ceiling plane. Our crews are background-checked, uniformed, and arrive on schedule with a text when we’re on the way - Haven Standard Clause 1 means you get a flat price, written scope, and written warranty before anyone lifts a tool.
What Our Attic Insulation Service Includes
Blown-In Attic Insulation
Blown-in insulation - loose-fill cellulose or fiberglass blown through a hose to achieve uniform depth and coverage - is what most West Hollywood attics need when the existing material has settled or was never adequate to begin with, making Attic Insulation Top-Up a common solution. We see this in the older duplexes and courtyard apartments near Melrose and Fairfax, where original R-19 fiberglass batts have compressed to R-11 or lower over forty years. Our crews install blown-in cellulose from GreenFiber or loose-fill fiberglass from Owens Corning to the depth required for R-38 to R-60, depending on your roof structure and energy goals. Every blown-in job includes air sealing of top plates, wire penetrations, and can-light housings first - we will not blow insulation over an unsealed attic floor.

Attic Batt Insulation
Attic Batt Insulation - pre-cut fiberglass or mineral wool panels fitted between joists or rafters - makes sense when you’re insulating a finished attic space or need selective replacement in a West Hollywood bungalow with exposed rafter bays. We install batts from Johns Manville and Owens Corning, cut to fit around obstructions without compression gaps that kill R-value. In the hillside homes north of Sunset, where rooflines are often complex and access is tight, batt installation lets us work precisely in confined quarters. Every batt job gets a written scope specifying the product, the installed R-value, and the air-sealing details completed first.

Attic Insulation Top-Up
An insulation top-up adds material over existing insulation that is still in serviceable condition but has settled below current energy code levels. This is common in West Hollywood homes built between 1985 and 2005, where original blown-in fiberglass has lost 20-30% of its loft. We measure existing depth, test for moisture damage or rodent activity, then blow new material to achieve the target R-value - typically R-38 for our climate zone. If the existing insulation is clean and dry, a top-up saves labor cost versus full removal and replacement. We document the before-and-after depth with photos, included in your job record.

Attic Insulation Replacement
Attic Insulation Replacement removes degraded, contaminated, or improperly installed insulation and starts fresh. In West Hollywood, we replace insulation after rodent infestations, water damage from roof leaks, or fire restoration - situations where the material itself is compromised. Our crews vacuum out old material, sanitize the attic deck, seal all air leaks, then install new insulation to spec. We also handle insulation removal and replacement as a standalone service if you’re preparing for other trades. The replacement includes your written scope, blower-door test if air sealing is performed, and a Documented Photo Record showing the empty attic, the sealed envelope, and the finished installation.

Attic Baffles & Ventilation Prep
Attic Baffles & Ventilation Prep - also called vent chutes or rafter vents - maintain the airflow path from soffit vents to ridge vents, preventing insulation from blocking intake ventilation and causing moisture buildup. In West Hollywood’s Mediterranean climate, where morning marine layer moisture can linger, proper ventilation prep protects against mold and extends roof deck life. We install baffles at every soffit vent location before blowing insulation, ensuring a clear 1-inch minimum airspace. This step is non-negotiable on our jobs; skipping it voids material warranties and creates callbacks we don’t accept.

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.
Brands We Service for Attic Insulation

We source and install materials from Owens Corning, Johns Manville, Knauf, Rockwool, CertainTeed, Icynene, Demilec, and GreenFiber - no proprietary product lock-in means we specify what’s right for your assembly, not what’s in our warehouse. We’ve installed thousands of bags of Owens Corning AttiCat loose-fill fiberglass in West Hollywood and surrounding areas, and we know its settling characteristics and coverage rates for the joist spacing common in local construction. Our crews are equally experienced with Johns Manville Climate Pro blow-in fiberglass and Rockwool ComfortBatt for fire-rated assemblies. Whether your architect specified a particular product or you want us to recommend based on performance and cost, we install it to manufacturer spec and document the installation.
We’ve also sprayed Demilec open-cell foam in tight attic conversions where conventional insulation won’t fit, and we’ve dense-packed GreenFiber cellulose in historic West Hollywood duplexes where the client wanted a recycled-content option. No brand gets preferred status in our proposals - we explain the trade-offs in R-value per inch, air permeability, moisture tolerance, and cost, then you decide. Whether you have a preference or no opinion at all, we can help.
Before
AfterSigns You Need Attic Insulation Right Now
- Your upstairs rooms are 10-15 degrees hotter in summer than downstairs. This temperature stratification means conditioned air is escaping through the ceiling faster than your HVAC can replace it. In West Hollywood’s flat-roofed mid-century buildings, inadequate attic insulation turns the top floor into a solar collector by afternoon.
- Your energy bills spike every July and August despite conservative thermostat settings. When your air conditioner runs continuously to maintain 78°F, the problem is often thermal gain through an underinsulated roof deck. We’ve measured attic floor temperatures above 140°F in West Hollywood homes with R-19 or less.
- You can see ceiling joists through your attic insulation. Insulation should completely obscure the framing; visible joists mean the material has settled below its designed R-value or was never installed to adequate depth. This is routine in homes where blown-in fiberglass was installed before 2010 energy code updates.
- Your attic has had rodents, roof leaks, or fire damage. Contaminated or waterlogged insulation loses thermal performance and can harbor mold spores or odors. Even after remediation, the insulation itself typically needs replacement - surface cleaning doesn’t restore R-value or remove biological material.
- Your home was built before 1990 and the attic has never been upgraded. Original insulation in West Hollywood’s 1920s-1980s housing stock was typically R-19 or less, versus today’s R-38 minimum for our climate zone. The energy code has doubled requirements; your attic likely hasn’t kept pace.
Our Attic Insulation Process - Step by Step

- 1
Schedule your free estimate. Call (213) 306-2607 and a live person will answer, 24/7. We’ll confirm your address in West Hollywood, ask about your home’s age and any known issues, and schedule a site visit. You’ll receive a text when your estimator is en route.
- 2
On-site assessment and written price. Our technician inspects the attic access, measures existing insulation depth, identifies air leaks and ventilation issues, and photographs conditions. Before leaving, you’ll receive a flat written price with scope details - Haven Standard Clause 1: no work starts without it.
- 3
Air sealing before insulation. On installation day, our crew seals top plates, electrical penetrations, can-light housings, chimney chases, and duct boots with fire-rated caulk, foam, or metal flashing as appropriate. This is never optional - we will not insulate over an unsealed attic floor.
- 4
Insulation installation to spec. We install your specified material to the depth and density required for the quoted R-value, with baffles at every soffit vent. The crew photographs completed work from multiple angles for your Documented Photo Record.
- 5
Final documentation and walkthrough. On applicable jobs, we run a blower-door test - a pressurization reading that shows, in one number, how much air your building envelope was losing before and after our work. You receive the written scope, warranty, photo record, and blower-door results before we leave. Payment is due only after you’ve reviewed everything.
How Much Does Attic Insulation Cost in West Hollywood?
A typical attic insulation top-up in a 1,200-square-foot West Hollywood home runs $2,400-$3,600, while full removal and replacement in the same footprint typically runs $4,200-$5,800. Blown-in insulation in a larger 2,000-square-foot home ranges $3,800-$6,500 depending on target R-value and whether air sealing is extensive. Attic batt installation in finished spaces runs higher per square foot due to labor intensity, typically $4,500-$7,200 for a master suite conversion.
Several factors move the price: attic accessibility (hatch size, headroom, joist spacing), existing insulation condition, the extent of air sealing required, and whether baffles or ventilation modifications are needed. Homes in the Norma Triangle or Spaulding Square with original knob-and-tube wiring may need electrical evaluation before insulation can proceed. We don’t guess at these variables - our written price reflects what we found in your specific attic, not a square-footage chart.
To avoid overpaying, get competing quotes in writing and compare scope details, not just bottom lines. A lower price that skips air sealing or omits baffles costs more in energy bills and callbacks. Under Haven Standard, we provide a Free Second Opinion on any written estimate - bring us a competing quote and we’ll read it with you, line by line. Every estimate we issue includes the full scope, warranty terms, and what documentation you’ll receive. There are no add-ons after you sign.
Attic Insulation Near West Hollywood - Our Service Area

We serve West Hollywood with typical response times under 45 minutes for estimates, and we regularly complete jobs in Beverly Hills, Los Angeles, Culver City, Burbank, Santa Monica, Inglewood, Glendale, Florence-Graham, Huntington Park, Hawthorne, and East Los Angeles. Many of our West Hollywood clients came to us after seeing our work in neighboring Beverly Hills or after a referral from a home energy auditor in Los Angeles. Whether you’re in a 1920s courtyard apartment off Santa Monica Boulevard or a newer construction near the Pacific Design Center, we know the local building stock and permit requirements.
Serving West Hollywood, CA - Our Local Coverage Area
We’re based in the West 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.
Frequently Asked Questions - Attic Insulation in West Hollywood

Attic insulation is a thermal barrier installed at your ceiling plane that slows heat transfer between your conditioned living space and the unconditioned attic. In West Hollywood, where summer attic temperatures regularly exceed 130°F, adequate insulation keeps that heat out of your home and reduces the load on your air conditioner. Without it, you’re paying to cool air that escapes straight through the ceiling. Call (213) 306-2607 for a free estimate - we’ll measure what you have and show you the gap.
Most attic insulation projects are completed in one day, with larger or more complex jobs occasionally extending to a second day. A typical blown-in top-up in a West Hollywood single-family home takes 4-6 hours including air sealing; full removal and replacement takes 6-8 hours. We schedule arrival times, not windows, and text when we’re on the way. You’ll know the timeline before anyone starts - it’s in your written scope.
Attic insulation in West Hollywood typically costs $2,400-$5,800 for most homes, with smaller top-ups at the low end and full replacements with extensive air sealing at the high end. Finished attics or spray foam applications run higher. The exact price depends on your attic’s condition, accessibility, and the R-value you’re targeting. We provide a flat written price after inspection, not a range that shifts later. Call (213) 306-2607 for your free estimate - there’s no obligation.
Yes, we install Owens Corning loose-fill fiberglass, batts, and rigid board products regularly, and we stock their materials for West Hollywood jobs. We’ve also installed thousands of square feet of Johns Manville and GreenFiber products, and we source from Demilec, Knauf, Rockwool, CertainTeed, and Icynene as the job requires. No brand is pushed over another - we match the material to your assembly and budget. Bring us your architect’s spec or let us recommend.
We answer calls 24/7 and can often schedule same-day estimates for urgent situations, such as insulation compromised by sudden roof leaks or rodent intrusion. Full installation typically schedules within 2-3 business days depending on material availability. For true emergencies involving active water intrusion or hazardous conditions, we’ll assess and stabilize, then schedule completion. Call (213) 306-2607 anytime - a live person answers, no voicemail loops.
All completed work is covered by our 365-Day Done Right Promise - if it’s not done right, we make it right. This is backed by a written warranty delivered before work starts, per Haven Standard Clause 1. Material warranties from manufacturers like Owens Corning or Johns Manville run 10 years to lifetime depending on product, and we register these on your behalf. The documentation you receive includes both our workmanship warranty and the manufacturer’s product warranty.
Clear a path to your attic access and remove stored items from the attic floor if possible - our crew can handle heavy items with notice. Ensure we have driveway or street parking for our truck and hose access to the attic hatch. If you have pets, secure them in a separate room; the blower machine is loud and we’ll need the access path clear. We’ll confirm any specific preparations when we deliver your written scope. Questions? Call (213) 306-2607 and we’ll walk through it.
Schedule Your Attic Insulation Service in West Hollywood Today
Call (213) 306-2607 now for a free written estimate with no obligation. A live person answers 24/7, and we typically schedule West Hollywood estimates within 24 hours. You’ll receive a flat price, written scope, and written warranty before any work starts - Haven Standard, every time. Ask about our Free Second Opinion if you have a competing quote; we’ll read it with you.
Written by Wes Okafor, Owner at Topside Attic Insulation West Hollywood, serving West Hollywood since 2016.