Developer pays $7.5M for site of mixed-use project in northeast Boulder

BOULDER — Trammell Crow Residential has closed on the purchase of 20 acres of land in northeast Boulder, where the Dallas-based company will build Diagonal Crossing, a mixed-use development of 357 apartments, offices for nonprofits, a restaurant and a green space.

Diagonal Crossing Apartments LLC, an entity registered to Trammell Crow Residential in Dallas, paid $7.5 million to Birch Mountain LLC for the triangle-shaped parcel of vacant…