A utility cooperative has purchased a Broomfield office building and will move its headquarters there.

Tri-State Generation and Transmission Association paid $10.8 million last week for the 6-story, 152,000-square-foot building at 370 Interlocken Blvd., according to public records.

That works out to $71 a square foot. JLL marketed the building.

The deal was a big loss for the seller, Seattle-based Urban Renaissance Group. It paid $34.5 million for the building in June 2022, financing the purchase with a $30.1 million loan from WaFd Bank, records show.

Tri-State spokesman Mark Stutz confirmed the planned headquarters move.

“Tri-State has been headquartered at 1100 W. 116th Ave. in Westminster since 1997. This facility has reached its end-of-life cycle,” he said in an email.

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