Insulation Contractor in Pismo Beach - Comfortable Rooms From Attic to Crawl Space
D&M Santa Maria Insulation Company is an insulation contractor based in Santa Maria, and we insulate, air seal and clean out attics, walls and crawl spaces for homes and rentals in Pismo Beach.

Get your Pismo Beach attic looked at
I climb into your attic or crawl space myself and show you what's up there.
Request an estimatePismo Beach: older cottages, tight attics
Most people know Pismo Beach for the pier, the promenade and the walks along the bluffs. On our jobs here we're mostly in older cottages near downtown, houses stepped up the hillsides, and condos and vacation rentals that property managers look after. Plenty of these houses have been remodeled more than once, so what's above the ceiling rarely matches how new the kitchen looks.
The older houses down toward Oceano are a lot like the ones here, and we do the same work in both. In Pismo Beach the job usually comes down to low rooflines, attic hatches tucked into closets and raised floors over crawl spaces, so we plan around how we get in and how much old material has to come out.
Working in Pismo Beach: permits, licenses and what moves the price
The city's Building Division issues permits for work that alters or repairs a building, so before our crew starts, we check with them whether your job needs one. If it does, we take care of the application and set up the inspections, and that usually decides the start date more than anything on our end. Pismo Beach also requires a city business license, which it calls a Business Tax Certificate, of every business working inside city limits, so it's fair to ask any contractor you're considering whether they have one. The price moves with the size of the attic or crawl space, how much old insulation has to come out and how many gaps need sealing, and the estimate I write at your house gives you the figure for your own job.
We drive up from Santa Maria for these jobs and bring what we need, because parking is tight on a lot of the downtown and hillside streets and there's no running back to the shop halfway through. Our crew works the same way in Grover Beach and Arroyo Grande, so if you own property in more than one of these cities, one call covers it.
Services in Pismo Beach, CA
Attic insulation
A lot of the older houses here have a few settled inches in the attic and a hot upstairs to show for it. We measure what's up there, keep the new layer even out to the edges and leave the eave vents open so the attic can still breathe.
Attic air sealing
Houses that have been remodeled often have gaps around can lights, pipes and the attic hatch, and insulation laid over a draft doesn't do much. We close those gaps first, which is all air sealing is, so the insulation isn't fighting moving air.
Insulation removal
In rentals and older cottages we often find attic insulation that got wet or filled up with droppings. We take it out and clean up before anything new goes in, because covering it over just keeps the problem in the house.
Crawl space insulation
Cold floors in a house on a raised floor usually mean the crawl space underneath has little or nothing in it. We insulate under the floor and leave the crawl space cleaner than we found it.
Wall insulation
When the room over the garage or an older bedroom stays uncomfortable after the attic is done, the walls are usually next. Our wall insulation work fills the empty cavities, and it's easiest to do during a remodel when the walls are already open.
Spray foam insulation
Spray foam costs more, but it seals air while it insulates, and that pays off when the ductwork runs through the attic of a hillside house or condo. In most attics here I'd rather seal the gaps and top up the loose fill, and I'll tell you which one fits your house.
Get a free on-site insulation estimate for your Pismo Beach home
We reply within one business day to set a time, and I come out to your Pismo Beach house myself to look at the attic or crawl space and write the estimate. It's free, with no pressure and no obligation. If you go ahead, our crew does the work with me or a lead installer on site.
- Phone
- (805) 268-7108
- Location
- Santa Maria, CA 93454
- Hours
- Mon–Fri: 8 AM–10 PM, Sat–Sun: 6 AM–9 PM
- Credentials
- Licensed and fully insured.
What Pismo Beach homeowners can count on
We're based in Santa Maria, CA, with 16 services and 12 city pages on this site, Pismo Beach among them. Every job starts with an on-site estimate, and we're licensed and fully insured.
- Based in
- CA
- Santa Maria
- Services
- 16
- Service areas
- 12
- Licensed and fully insured.
- Free on-site estimates.
- We reply within 1 business day.
Frequently asked questions
Does an out-of-town insulation contractor need a Pismo Beach business license?
Yes, the City of Pismo Beach requires a business license of every business working inside city limits, and that includes contractors whose offices are somewhere else. We're based in Santa Maria, so it applies to us the same as anyone else coming in to do your attic.
Does my addition in Pismo Beach need Planning approval first?
It does if the addition adds square footage to the footprint, changes how the space is used or changes the outside of the house, because the city wants Planning Division approval before the building application in any of those cases. The city takes submittals electronically through its Public Portal, and the steps are on its applying for a permit page. Applications submitted since January 1, 2026 have to meet the newer California building code, and we insulate the new rooms from the approved plans.
How much does it cost to insulate an attic in Pismo Beach?
The cost of attic insulation comes down to the size of the attic, how many inches are already up there, and whether old insulation that's wet or full of droppings has to come out before anything new goes in. Air sealing the gaps, a hatch that's hard to reach, and choosing foam over loose fill all add to it. The estimate I write at your house breaks it down for your job.
How long does attic insulation take in a Pismo Beach house, and when can we go back inside?
It depends mostly on how much old material has to come out first and whether we're blowing in loose fill or spraying foam. With blown-in insulation, loose fill blown through a hose, you usually don't have to leave. With spray foam, you, the kids and the pets stay out until the re-entry time, when the foam maker says it's safe to come back, and we tell you that time before we start.
What causes a hot upstairs or cold floors in an older Pismo Beach home?
Usually it's thin or settled attic insulation plus gaps around can lights, pipes and the hatch that let air move straight through, or a crawl space under the floor with little or nothing in it. In older houses we also find eave vents buried under old insulation and coverage that's deep in the middle and thin at the edges. When I come out, I measure what's up there and check the crawl space, so you know which problem you actually have.
Should I insulate the attic when I re-roof my house in Pismo Beach?
It's a good time to have the attic looked at, so anything wrong up there gets handled while the roof work is already on the calendar. The city has its own building permit application for re-roof work, and we check separately with the Building Division about the insulation side. Call us before the roofers start and we'll fit our work around theirs.
Call us about your Pismo Beach attic
Tell us which room runs hot or which floor stays cold, and I'll know where to look first.




