Insulation Company in Venice, CA
Blown in insulation is the workhorse retrofit for Venice’s 1920s – 1950s bungalows and duplexes, most of which were built before wall insulation was standard. These homes sit inches from the Pacific, and the salt-laden marine layer that rolls in every morning doesn’t just make rooms feel clammy; it gets into uninsulated wall cavities and starts rotting framing from the inside. Fountain Valley Insulation has served Venice since 2014, matching blown-in cellulose, fiberglass, and dense-pack methods to homes that were never designed for modern comfort. Call (833) 390-3099 for a free estimate on any insulation scope, from a single attic to a whole-home retrofit.
Why Venice Homes Are Different
Venice’s housing stock is unlike anything else in coastal Los Angeles. The original lots were carved into walk streets and narrow parcels, producing single-story bungalows and duplexes with stucco or wood siding, shallow attics, and almost no original wall insulation. Many still have unlined attics that were never meant to be conditioned space at all. Then there’s the salt air. It doesn’t just sit on the paint. Onshore winds carry fine salt spray over Ocean Front Walk and into the surrounding blocks, where it settles into attic cavities alongside decades of blown sand. We routinely open attics in the walk street neighborhoods near the boardwalk and find four to six inches of sand sitting on top of old newspapers from the 1960s. That material holds moisture against the ceiling joists, which is why standard fiberglass batts fail so fast here. A home three blocks from the beach needs a different insulation strategy than one in Silver Strand or the Canals, and the difference comes down to moisture resistance, vapor barriers, and whether the existing material is even worth keeping.
Most Venice homes also fall under the city’s coastal zone rules, which means retrofits often require a plan check even when the work itself is simple. We’ll tell you honestly when a job is straightforward and when you need to pull something through the city first.
Our Main Venice Services
Most Venice homeowners call us about one of two problems: an attic that turns the upstairs bedrooms into an oven by noon, or a whole home that can’t hold temperature because the walls were never insulated. These are the two services we handle most in this area.
Attic Insulation in Venice
Attics in Venice bungalows are usually shallow, awkward, and often contaminated with decades of sand and salt spray if they’re within a few blocks of the beach. Attic insulation here isn’t just about R-value; it’s about removing contaminated material, checking for moisture damage in the rafters, and installing insulation that won’t absorb fog condensation and breed mold. We use blown-in cellulose and fiberglass for most Venice attics, with borate-treated products where the salt exposure is highest. If your attic needs work, start with our full guide to Attic Insulation in Venice.

Spray Foam Insulation in Venice
Spray foam is the right call for Venice’s modern infill townhomes and for homeowners who want air sealing in one pass. Closed-cell foam from Icynene and Demilec creates its own vapor barrier, which matters when fog sits on the exterior walls every morning from May through August. It’s also the best answer for rim joists and band boards in older pier-and-beam bungalows, where air leaks are the main driver of energy loss. Read our full breakdown at Spray Foam Insulation in Venice.

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 Venice
Blown in insulation is the most practical retrofit for Venice’s older bungalows and duplexes. Most were built between 1920 and 1950, before wall insulation was required, and many have empty stud cavities that leak conditioned air straight through the stucco. Blown-in cellulose and fiberglass fill those cavities from the top or through small access holes, without tearing out original lath-and-plaster walls that homeowners have spent decades preserving. In Venice’s coastal moisture conditions, we prefer borate-treated cellulose for most jobs because it resists the mold and condensation cycle that the marine layer creates, and it holds its R-value better than fiberglass when humidity spikes. This is exactly the kind of work we specialize in through our Blown In Insulation service line.
Cellulose Insulation
Signs you need it
Rooms that feel damp or smell musty in the morning, combined with rising energy bills, usually mean the walls have no insulation or the old material has settled.
What it costs in Venice
Cellulose wall insulation in Venice typically runs $1.50 to $3.50 per square foot installed, depending on access and whether we need to remove old material first.
How we do it
We drill small access points, blow borate-treated cellulose into each stud cavity at the proper density, then patch and texture the holes to match the original surface.
Blown In Attic Insulation
Signs you need it
Attic temperatures that hit 130 degrees by mid-afternoon and bedrooms directly below that never cool down are the clearest signals.
What it costs in Venice
Blown-in attic insulation in Venice typically falls between $1.50 and $4.50 per square foot installed, including removal of any sand or salt-contaminated material.
How we do it
We remove contaminated material, air-seal the attic floor penetrations, then blow fresh insulation to the full depth required for the R-value your home needs.
Loose Fill Insulation
Signs you need it
Gaps and low spots in your existing attic insulation, which you can often see from the attic hatch, mean the original fill has settled or shifted over decades.
What it costs in Venice
Loose fill insulation in Venice homes is priced between $1.00 and $3.00 per square foot installed, with the lower end covering top-off work over existing material.
How we do it
We check the depth across the full attic floor, fill low areas to a consistent level, and verify the final R-value with a depth gauge before we pack up.
What Blown In Insulation Costs in Venice
| Item | Typical range in Venice |
|---|---|
| Blown-in wall insulation (cellulose or fiberglass) | $1.50 – $3.50 per sq ft installed |
| Blown-in attic insulation (new install or full re-blow) | $1.50 – $4.50 per sq ft installed |
| Loose fill top-off over existing attic insulation | $1.00 – $3.00 per sq ft installed |
Access is the biggest variable in Venice. Attics with a proper access hatch and six feet of clearance at the peak are fast. Attics with a scuttle hole in a closet and roofing nails poking through cost more because the work moves slower. We quote a firm price before we start, and that price doesn’t change unless we find something unexpected and you approve the change first.
Can blown in insulation help with Venice’s moisture problems?
Yes, when you use the right product. Borate-treated cellulose resists mold and holds its R-value in humid conditions, which is why we recommend it for coastal bungalows. In walls, we pair it with a proper vapor barrier on the warm side to keep fog condensation out of the stud cavities. Call (833) 390-3099 for a material recommendation based on your exact block and orientation.
Is blown in insulation cheaper than spray foam?
Yes, blown in insulation runs roughly half to two-thirds the cost of closed-cell spray foam for the same square footage. It doesn’t air-seal as aggressively, so it’s often paired with caulking and weatherstripping in older Venice homes. We’ll tell you which method actually fits your house instead of defaulting to the most expensive option. Call (833) 390-3099 for a straight answer.
Brands We Service in Venice
We install insulation from eight manufacturers, and we stock the materials that matter most in Venice: borate-treated cellulose from GreenFiber, dense-pack fiberglass from CertainTeed, mineral wool from Rockwool where fire resistance is a priority, and Icynene and Demilec for spray foam scopes. Turnaround on special-order materials is usually three to five business days. See our brands for the full roster.
Pricing for Insulation Company in Venice, CA
| Service | Typical range in Venice |
|---|---|
| Blown-in wall insulation (cellulose or fiberglass) | $1.50 – $3.50 per sq ft installed |
| Blown-in attic insulation (new install or full re-blow) | $1.50 – $4.50 per sq ft installed |
| Loose fill top-off over existing attic insulation | $1.00 – $3.00 per sq ft installed |
| Attic insulation removal and re-insulation | $2.00 – $5.00 per sq ft installed |
| Spray foam insulation (open-cell) | $2.00 – $4.00 per board foot installed |
| Spray foam insulation (closed-cell) | $2.50 – $5.50 per board foot installed |
| Wall cavity injection (drill-and-fill retrofit) | $3.00 – $6.00 per sq ft of wall area |
| Attic air sealing (as part of an insulation job) | $0.50 – $1.50 per sq ft of attic floor |
Two things push pricing up in Venice more than anywhere else: sand and salt contamination in attics near Ocean Front Walk, which usually means removal and disposal before anything new goes in, and the tight crawlspaces and shallow attics of the original bungalows. Both slow the work down. We quote a fixed price after we see the space, and we honor that number unless you change the scope.
Neighborhoods We Serve in Venice
We work across the full Venice area, from the walk streets near the boardwalk to the quieter blocks south of Washington Boulevard. Our schedule covers both ZIP codes, 90291 and 90294, and we can usually get a crew out within three to five business days for a standard estimate visit.
- Venice Canals
- Oakwood
- Silver Strand
- Windward Circle / Walk Streets
- President’s Row
Service Area – Cities Near Venice
Fountain Valley Insulation handles insulation projects across the Westside and coastal Los Angeles. In addition to Venice, we regularly work in Santa Monica, CA, Culver City, CA, Ladera Heights, CA, and Century City, CA. If you’re in one of these areas, the same brands and methods apply, and the estimate process works the same way.
Serving Venice, CA — Our Local Coverage Area
We’re based in the Venice 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 Venice
Most estimate visits in Venice happen within three to five business days of your call. If you have a pressing issue like exposed insulation after a leak or an open attic in the rainy months, we can often get someone out sooner. Call (833) 390-3099 and we’ll work around your schedule.
Most insulation retrofits in Venice do not require a permit when the work is limited to the existing wall or attic cavity. However, if you’re in the coastal zone and the project changes any exterior surface, a plan check may be required. We’ll tell you honestly at the estimate whether your scope needs city involvement.
Yes, in most cases. Drill-and-fill blown-in insulation installs through small holes that get patched and textured to match, preserving original lath-and-plaster walls. Older homes with knob-and-tube wiring need that wiring addressed first, and we’ll flag that during the estimate if we see it. Call (833) 390-3099 to schedule a walkthrough.
Fountain Valley Insulation installs blown-in, attic, and spray foam insulation throughout Venice, CA, from the Canals to Oakwood and Silver Strand. For a free, fixed-price estimate, call (833) 390-3099.
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 the hour.
- 4You approve before work beginsNothing starts until you say go.
What Venice Customers Say
"Installed baffles at the soffits so the new insulation didn't block the ventilation, which the previous contractor apparently never considered."
— Hector Vargas"Plastic laid from the front door to the attic hatch and they vacuumed the hallway afterward."
— David Tran"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."
— Justin Chen