Insulation contractor in Santa Barbara - attics and crawl spaces done in the right order
Santa Barbara Insulation & Spray Foam is an insulation contractor in Santa Barbara, CA. We clear out spent insulation, seal the gaps and insulate attics, walls and crawl spaces so drafty rooms and a hot upstairs settle down.

- Fully licensed and insured.
- Free in-person estimates.
- We reply within 1 business day.
Older houses and rentals across Santa Barbara
We started this business in Santa Barbara in 2017, and our calls here come from homeowners with drafty rooms or tired old attics, along with property managers looking after rentals. A lot of the city's housing is older, with raised wood floors over a crawl space, attics holding a few inches of flattened insulation and a room over the garage that runs hot. Many of these houses have been added onto over the years, so the framing and the insulation can change from one section of the house to the next.
We do the same work next door in Eastern Goleta Valley, but an older city house usually needs some cleanup or repair before anything new goes in. That's why the first visit matters to me, because an add-on can hide a second attic with its own hatch, and I'd rather find it before we plan the job than on work day.
What working inside Santa Barbara city limits involves
When an insulation job inside city limits needs a building permit, the city's Building and Safety Division prepares and issues it, so a permit can set the start date more than our calendar does. Before we book, I check which office covers your address, and when a permit is needed we apply for it, set up the inspections and tell you how it fits your schedule. We're fully licensed and insured, and every job is backed by our satisfaction guarantee. The price moves with what has to come out first, how much air sealing the attic needs and whether loose fill or foam fits the space, while the schedule turns on the permit and any lab test that has to come back first, so the written plan from my visit has the figure for your house.
Older neighborhoods with narrow streets and tight parking mean we plan where the truck sits before work day, since blown-in insulation is loose fill blown through a hose that runs from the truck up into your attic. We bring the same planning to jobs in Goleta and Montecito, where I check first which office covers the address before we promise a start date.
Get a written insulation plan for your Santa Barbara home
Send the form or call (805) 284-9538, and we'll reply within one business day to set a time. I come out to your Santa Barbara house myself for the free on-site estimate, then write up a plan with no obligation and no pressure to book.
Call (805) 284-9538Services in Santa Barbara, CA
Attic insulation
Many Santa Barbara attics still hold a few inches of old, flattened insulation, and the edges near the eaves are usually the thinnest because they're hardest to reach. We bring the depth up evenly all the way to the edges and keep the eave vents clear so the attic can still breathe.
Insulation removal
Older attics here often have insulation that was soaked by an old roof leak or fouled by rodents. We bag it out and clean up first, because new material laid over it just carries the problem forward.
Attic air sealing
Gaps around can lights, pipes and the attic hatch let air through in a lot of older houses, which is why a room can stay drafty even with insulation up top. We close those gaps before anything new goes down, so the insulation isn't fighting a draft.
Crawl space insulation
Raised floors over a crawl space are common in the city's older houses, and cold floors are the usual complaint. We check the crawl space for moisture first, then insulate under the floor so it stays in place.
Spray foam insulation
Rooms over the garage and add-on spaces with odd framing are where spray foam insulation earns its cost, because it fills uneven cavities and seals air in the same step. We use it where loose fill won't stay put or can't reach.
Wall insulation
A lot of older houses here have little or nothing in the outside walls, and you feel it in the rooms along them. We fill closed walls through small holes and patch them afterward, so you don't have to open the walls up.
How it works when you call us in Santa Barbara
Call or send the form
Tell us what's bothering you, like a hot upstairs, cold floors or a high power bill, and we'll set a time for me to come out. You don't need anything ready except a sense of which rooms bother you most.
I look at the space
I go into the attic or crawl space myself, see how many inches are up there and note anything that has to be fixed or tested first. You get a written plan in the order the work should happen, with the price on it before you decide anything.
We handle permits and booking
Once you say yes, we sort out any permit and book the work so cleanup and air sealing come before new insulation. If the city's review affects the start date, I tell you when we book.
Our crew works, then we walk it
Our installers do the work, and I come back to walk the finished job with you. Ask anything you like on that walk, even if you've asked it before.
Common questions
Do I need a permit to insulate my attic in Santa Barbara?
The city's older checklist of work that's exempt from a permit doesn't list insulation by name, so we check before every job rather than assume. The city's Permit Center helps with permits and approvals, and its counter staff answer questions. If your job needs a permit, we apply for it and set up the inspections.
Which building code applies to insulation work in Santa Barbara in 2026?
Work in the city falls under the newest California Building Standards Codes, often called Title 24, which state law has the city enforcing from January 2, 2026. When a job needs a permit, we plan it to the current code, and the inspections check it against that code.
How much does attic insulation cost in Santa Barbara?
The cost comes from what's already in your attic and what has to happen before new insulation goes in, so I give you a figure after I've been up there. How many inches are there now, whether old material has to be bagged out, how many gaps need sealing, the size of the attic and how tight the hatch and roof are all move it. Sealing and topping up loose fill usually costs less than foam.
What is the best way to insulate an older attic in Santa Barbara?
For most older attics, the best way is to seal the gaps first and then blow in loose fill evenly to the edges. Foam costs more and seals air while it insulates, so I lean toward it mainly when the ductwork lives up there. Anything wet or full of droppings comes out before either one goes in.
How long does attic insulation take, and do we have to leave the house?
For blown-in work you can usually stay home, and how long the crew is up there depends mostly on whether old insulation has to come out first. Spray foam is different, since everyone, kids and pets included, has to be out while it's sprayed and for a while after. I give you that re-entry time, when you can come back in, before we book so you can plan around it.
How do I find out which permit office covers my address near Santa Barbara?
You don't have to sort that out yourself, because before we book I check whether your address falls under the city, the county or the university. A Santa Barbara mailing address doesn't always mean you're inside city limits, and the office that covers you is the one that handles any permit and inspection.
Ask about insulating your Santa Barbara home
Call (805) 284-9538 or use the form and tell us which room bothers you most, so I know where to look first when I come out.




