From Boulder, from 28th Street (U.S. 36), turn west on Valmont - go 0.2 mile. Turn right (north) on Folsom - go 0.3 mile. Turn left on Grape - go 0.4 mile. 1960 Grape Avenue will be on the left.
From Denver, take U.S.36 (the "turnpike") west, which becomes 28th Street in Boulder. Some of the traffic lights are at Colorado, Arapahoe, Canyon, Walnut, Pearl, then Valmont. Turn left (west) at Valmont - go 0.2 mile. Turn right (north) on Folsom - go 0.3 mile. Turn left on Grape - go 0.4 mile. 1960 Grape Avenue will be on the left.
From Longmont, take CO 119 (Diagonal Highway) to Boulder; take exit to remain on CO 119, which becomes Iris Avenue (i.e. don't continue onto Foothills Parkway). Traffic lights at 30th Street and 28th Street, then turn left (south) at Folsom - go 0.2 mile. Turn right (west) on Grape Avenue - go 0.4 mile. 1960 Grape Avenue will be on the left.