Sauna Builder in Sausalito, CA

Most residential projects run four to eight weeks from approved design to first heat cycle, depending on size, materials, and permit timelines. Backyard cabins needing a foundation and outdoor builds take longer; a straightforward indoor conversion can move faster. We give you a real schedule before we start.

Yes — that is exactly where custom shines. We have fit saunas into closets, under stairs, in basement corners, and onto rooftops. After a site visit we will tell you honestly what your space can hold and design the room around it rather than forcing in a stock kit.

Both work beautifully in Marin; it comes down to space and how you want to use it. Indoor saunas are convenient year-round and easy to integrate into a bath or basement. Outdoor cabins create a destination and pair naturally with a cold plunge, garden, or hillside view. We will help you weigh the trade-offs.

We do. As a licensed general contractor we file through the City of San Rafael or your town’s permit office, coordinate inspections, and build to current electrical, ventilation, and structural code. You should never have to chase paperwork or worry about an install that was not done by the book.

Yes. Proper steam is the whole point, and it depends on engineering most installs skip — sufficient rock mass, correct heater sizing to your room volume, and intake and exhaust vents placed so heat and humidity circulate evenly. We design for that soft, enveloping heat from the start.