
South Lake Tahoe winters are long and genuinely cold. South Lake Tahoe Insulation helps homeowners and property owners stop heat loss, prevent ice dams, and cut heating costs with professional insulation work done right.

South Lake Tahoe Insulation is a locally owned insulation contractor serving South Lake Tahoe, CA and 11 surrounding communities. We solve the problems that mountain homeowners know well - ice dams, drafty cabins, skyrocketing propane bills, and crawl spaces that never stay dry. Our 16 insulation services cover everything from a single-room fix to a whole-home upgrade.

Cold drafts and high heating bills? Spray foam seals every gap and keeps mountain cold out for good.
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Heat rising through a thin attic costs you every winter. The right insulation depth stops that loss fast.
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Uneven coverage in your attic? Blown-in insulation fills gaps and odd shapes batts simply cannot reach.
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From attic to crawl space, whole-home insulation keeps your cabin comfortable in every season.
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Old, damaged, or rodent-contaminated insulation must come out before new material can do its job.
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Cold floors and frozen pipes often start in the crawl space. We seal and insulate it properly.
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Drafty walls in an older cabin? We add insulation without tearing apart your finished interior.
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Insulation slows heat loss, but air sealing closes the cracks cold air actually travels through.
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An uninsulated basement pulls cold up through your floors and drives your heating costs up.
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The densest, most moisture-resistant foam - the right choice for Tahoe attics and crawl spaces.
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Softer and more affordable than closed-cell, open-cell foam excels at sound control in interior walls.
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Commercial buildings have unique thermal challenges. We insulate warehouses, lodges, and offices.
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Spring snowmelt floods crawl spaces. A vapor barrier keeps moisture out before it causes damage.
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Moisture in walls and floors destroys insulation value. A vapor barrier keeps it where it belongs.
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Air sealing your attic before adding insulation doubles the performance of every dollar you spend.
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Older cabins were not built for Tahoe winters. Retrofit insulation brings them up to that standard.
Learn MoreReach out by phone or through our contact form. We ask a few basic questions - the age of your home, what you have been noticing, and when you want the work done. Most homeowners hear back within 1 business day. In South Lake Tahoe, fall slots fill fast, so calling early puts you in control of the timeline.
We come to your home, walk through the attic, crawl space, or wherever the problem is, and measure what is actually there. No guessing. We check existing insulation depth, look for air leaks, and note any moisture or pest damage. Then we give you a written estimate that breaks down exactly what we recommend and why - before you commit to anything.
Our crew arrives on the scheduled date, does the work cleanly and efficiently, and walks you through the finished job before they leave. Most attic and crawl space projects are done in a single day. We handle any permits required and coordinate inspections so you do not have to. When we leave, you should see a real difference the next time it gets cold.
We carry a valid California contractor license and full liability insurance on every project. You can verify our license through the Contractors State License Board before work begins.
Every estimate is free, in writing, and itemized by area and material. You will know exactly what you are paying for before you say yes to anything. No pressure, no vague ballparks.
We live and work here. We know the housing stock, the climate, the permit process, and the specific problems older Tahoe cabins develop over time. That local knowledge shows in every job.
If something is not right after we leave - uneven coverage, a missed area, or any concern at all - we come back and make it right. That is our standard, not an exception.
Ready to get started? Request a free estimate or call us at (530) 307-5986.
"We had ice dams every single winter for five years. After they did the attic insulation and air sealing, we made it through last January without a single one. The difference in our heating bill was noticeable by February."
Karen M., South Lake Tahoe - Attic Insulation
"Our crawl space had never been touched since the cabin was built in the 1960s. The floors in the living room were cold enough to walk around in socks all winter. They came out, assessed everything, and had it insulated and vapor-barriered in one day. No more cold floors."
David R., Stateline - Crawl Space Insulation
"I manage a short-term rental near the Heavenly gondola and needed the spray foam done before the winter booking season started. They scheduled quickly, finished on time, and the crew left the place clean. Guests stopped mentioning the cold in reviews after that."
Michelle T., Kingsbury - Spray Foam Insulation
We respond within 1 business day. There is no obligation to move forward - the estimate is free and the advice is honest. Once you submit, someone from our office will call you to schedule a free on-site visit so we can see exactly what your home needs.
(530) 307-5986South Lake Tahoe Insulation serves South Lake Tahoe, CA and 11 surrounding communities on both sides of the state line, including Stateline and Gardnerville, NV. We cover all 12 service areas listed below, with most homeowners able to get a same-week estimate appointment.
Ice dams happen when heat escaping through an under-insulated attic melts snow on the roof, which then refreezes at the cold eave. South Lake Tahoe gets around 125 inches of snow in an average year, making this one of the most common - and most expensive - problems local homeowners face. Proper attic insulation eliminates the root cause.
South Lake Tahoe sits at about 6,200 feet in one of California's coldest climate zones. Federal energy guidelines recommend significantly deeper insulation here than in Sacramento or the Bay Area - often double the amount. Homes built before 1980 almost never meet that standard. The U.S. Department of Energy insulation guide has zone-specific recommendations you can reference.
Insulation slows heat transfer, but air sealing closes the actual gaps where cold air travels freely. In an older Tahoe cabin, there can be dozens of small openings around pipes, wires, and fixtures that bypass any insulation entirely. Doing both in the same project delivers far better results than insulation alone - and costs less than doing them separately.
Yes - a well-sealed attic significantly reduces the pathways smoke uses to infiltrate your living space. The Lake Tahoe Basin has experienced severe smoke events in recent years, including the Caldor Fire evacuation in 2021. Air sealing done as part of an insulation job closes the gaps smoke travels through, making your home meaningfully tighter during fire season.
Older cabins in the Tahoe area often have small or odd-shaped attic spaces, compressed or contaminated existing insulation, and original construction that left gaps around pipes and fixtures. None of this makes the job impossible - it just makes the assessment step more important. A contractor who inspects carefully before quoting will deliver better results and fewer surprises.
Yes. PG&E, which serves South Lake Tahoe, offers rebates for qualifying insulation upgrades through its energy efficiency programs. Federal tax credits are also available for qualifying improvements to your primary residence. Ask your contractor about PG&E rebate eligibility before signing anything. The ENERGY STAR rebate finder can show you what is available in your ZIP code.
South Lake Tahoe Insulation is a licensed and insured insulation contractor based in South Lake Tahoe, CA, serving the Lake Tahoe region and surrounding Nevada communities since 2017.
We hold a valid California contractor license issued through the Contractors State License Board (CSLB) and carry full general liability insurance on every project. All work meets California Title 24 energy code requirements for permitted projects.
Over the years we have completed insulation projects across all 16 service types we offer - from single-room spray foam jobs to full-home retrofits on 1960s ski cabins. Any experienced insulation installer working in a mountain climate learns fast that this housing stock demands a different approach than standard residential work.
If your existing insulation is compressed, water-damaged, or shows signs of rodent activity, adding new material on top will not fix the problem. Old insulation that has been disturbed or contaminated needs to come out first. The EPA indoor air quality guidance explains why contaminated insulation affects your home air.
cellulose insulation is often the most cost-effective way to add depth to an existing attic. Spray foam is better when you also need air sealing and moisture control - especially in crawl spaces and areas exposed to snow melt. Your contractor should explain the tradeoff in plain language before recommending one over the other.
Even coverage from edge to edge, no thin spots near the attic hatch or around fixtures, and documentation of the finished depth. A good contractor will walk you through the finished attic - or show you photos if access is difficult - before they leave. You should not have to take their word for it.
If you have questions about what your home needs, the fastest way to get a real answer is to have someone come and look. Request a free estimate or call (530) 307-5986 and we will schedule a visit.
South Lake Tahoe sits at about 6,200 feet on the southern shore of Lake Tahoe, right on the California-Nevada state line. The city has about 22,000 full-time residents, but a large share of its homes are vacation rentals or second properties - many built as ski cabins in the 1950s through 1970s and never significantly updated. That combination of age, climate, and part-time occupancy is exactly why insulation work is so common here.
The area is defined by a few landmarks every local knows. Heavenly Mountain Resort sits directly above the city and draws millions of visitors each ski season. The Stateline casino corridor marks the Nevada border just minutes from most South Lake Tahoe neighborhoods. Many of the homes we work on sit in the wooded residential streets between the lake and the resort - older A-frames and cabins that see heavy snow loads every winter and intense summer sun that dries out wood and caulk fast.
After the Caldor Fire evacuation in 2021, many homeowners in this area started taking fire resilience seriously alongside energy efficiency. We serve both needs - a properly sealed and insulated home is better protected from smoke infiltration during fire season, and it holds heat more reliably through the long winter. Whether your property is a full-time home near the lake, a vacation rental a few blocks from the gondola, or a cabin in the older neighborhoods off Highway 50, we are local and we are here year-round.
By appointment only, no walk-ins.
South Lake Tahoe Insulation
3057 Oakland AveSouth Lake Tahoe, CA 96150(530) 307-5986quotes@southlaketahoeinsulation.comAlways open, 24/7.
South Lake Tahoe Insulation serves South Lake Tahoe and surrounding communities - call today for a free on-site estimate.