Special Report

15 years in, Arista surges toward buildout

BROOMFIELD — Tim Wiens and his full-service real estate firm, Wiens Real Estate Ventures LLC, purchased the land that would become Arista in six parcels in the early 2000s, when the more than 200 acres for the property were nearly vacant. The widened and lengthened 120th Avenue hadn’t been extended to cross U.S. Highway 36.…