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Carl, a developer, excavation contractor, and entrepreneur, has been on a mission to find smarter ways to build homes for much of his career. While restoring old commercial buildings throughout the last decade, he was paying close attention to the housing crisis.
In the shock of the arson aftermath, it dawned on Carl that a metal building would not have burned and would be far superior in a climate warming world.
The idea of converting shipping containers took hold when he learned that, since the U.S. is a consumer nation, millions of shipping containers are left sitting in U.S. ports and shipping yards every year, never to be returned overseas.
After much research, Carl has come to believe that this largely untapped resource provides the perfect solution for affordable and sustainable housing–an option our team believes society needs in its struggle to provide quality housing to more people.
Through Relevant Buildings, Carl is promoting a simpler lifestyle and a new culture of homebuying that offers people better options for living with a reduced impact on their wallet and our planet.
Special thanks to two projects that inspired Carl as he was germinating this shipping container movement: A southern U.S. home and studio designed by owner/artist Julio Garcia and the Keetwonen student housing project in Amsterdam.
From BuildZoom: Relevant Buildings, Oregon City, OR (Employee: Carl Coffman) holds a Construction Contractor, Construction Contractor license and 1 other license according to the Washington license board.
Their BuildZoom score of 106 ranks in the top 7% of 62,733 Oregon licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Relevant Buildings, we recommend double-checking their license status with the license board and using our bidding system to get competitive quotes.
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Relevant Buildings License info
Verified License
| License # | RELEVBC785L9 |
| Status | Active |
| State | Washington |
| Type | Construction Contractor, Construction Contractor |
- BuildZoom verified this license was active as of July 2026.
Verify this license's status for Relevant Buildings at the Washington State Department of Labor & Industries.
This is a sample of licensing data; click here to access a complete history.
Verified License
| License # | PFS678 |
| Status | Active |
| State | Oregon |
| Type | Prefab |
- BuildZoom verified this license was active as of August 2026.
Verify this license's status for Relevant Buildings at the Oregon Building Codes Division.
This is a sample of licensing data; click here to access a complete history.
106
BuildZoom Score
Insured
| Insurer | Colony Ins Co |
| Insured up to | $1,000,000 |
Bonded
| Bonded Agent | Hartford Fire Ins Co |
| Bond Value | $12,000 |