Shell Building Systems

Let us do the work

  1. 1

    Answer a few questions about your needs.

  2. 2

    Get competing quotes from pros within 24 hours.

  3. 3

    Compare and hire at a price right for you.

Request Free Quotes

About Shell Building Systems

We are the largest SIP (Structural Insulated Panel) company in the western U.S. We have built over 5,000 projects, from single family homes to commercial buildings, apartments, schools, and projects up to four (4) stories in height.

Our SIPs are approved in all cities. We provide technical assistance, engineering, and general contracting and construction management services throughout California and the west.


Sebastopol, CA 95472

Question and answer

Q. Why does your work stand out from others who do what you do?

A. We are the only licensed distributor, installer and Construction Management firm that has 40+ years of Structural Insulated Panel experience. Our firm was the 'first green builder in California' (1971) and we take pride in our attention to detail and our competitive costs. We also provide Engineering and Cost Evaluation to insure that you received the best quality at the most affordable pricing.

Q. What do you like most about your job?

A. We have 40+ years of excellent experience and that gives us a decided 'edge' in how we quickly evaluate a project and how we take 'care of business'. We are proud of our excellent reputation and hundreds of trouble-free projects!

Q. What questions do customers most commonly ask you? What's your answer?

A. How long have you worked with SIPs? 40+ Years;
How many projects have you built? Over 5,000;
Can you provide Engineering Services also? Yes we Can;
What about Design? Yes, we can provide that also;
Are you competitive? We are the largest SIP company in California and can offer the most competitive prices;

Q. What do you wish customers knew about you or your profession?

A. We have over 40+ years of manufacturing experience and we have built High End Custom Homes in California, Hawaii, Russia and Mexico. We are highly experienced and we built over 5,000 homes for the World Bank in Russia (1995), the only SIP company with that experience.

Q. Tell us about a recent job you did that you are particularly proud of.

A. We are the only SIP company that has built a major School (Manch School) that was 'green' - 2009, Las Vegas, Nevada

Write a review

Get started »
Let us introduce you to pros.