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Outdated manual processes are replaced with automated assembly lines and all in one easy to assemble panels. By leveraging the same principles we value in our manufacturing facilities we can produce quality livable ADUs at high volume and low cost.
2 people + 3 days
Factory direct prices
Designed by you for you
Top quality control with automated
4 - 6 week production time
Meets International Building Codes, Title-24 Energy requirements, and FM Approved.
A simple and easy way to add additional space for storage, a playroom, or Yoga studio.
Enjoy a spacious studio layout. Ideal for a work from home office getaway, hosting guests, or an entertainment lounge.
Our one-bedroom ADUs provide a spacious bed, bath, kitchen and living space for a guest house or long-term rental.
Our roomiest category. A two-bed two-bath solution or an ADU with a jack and jill suite. Our 2-Bedroom ADUs have lots of storage space, offer a flexible living room and are ideal for comfortable living.
Whether it’s for added space, an investment opportunity, or to go off the grid BOSS offers the easiest to assemble and most affordable ADU on the market. Our kits are shipped straight to you with factory built panels that quickly link together to create your ADU.
Built On Site Systems (BOSS) brings construction into the new age by blending the perks of prefabricated building with the best of on-site construction.
We prioritize ease of assembly, speed of delivery, and quality of production at an accessible price point. Our kits are shipped straight to you with factory built panels that quickly link together to create your ADU.
Read on to learn how our innovative technology is disrupting the construction industry.
The best custom ADUs straight to your doorstep!
Free Consultation 323-522-2187
Watch BOSS on the news to discover how you can build
an affordable backyard office with our DIY ADU Kit.
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1057 South Vail Ave. Montebello CA, 90640
