Tremendous opportunity to own a new construction property in Lower Chautauqua! Permits have been approved through the City of Boulder. Rare find property includes an approved ADU w/alley access. Convert the existing, historic carriage house into an ADU for use as a rental unit or guest quarters. All plans and permits have been acquired for the construction of an exceptional custom home. Perfect location near Chautauqua (0.5 miles) yet quiet and removed from the bustle of The Hill. Intelligent, 'upside down' design of the home so that stunning Flatiron views are maximized in the main living areas of the home. The property boasts 4 primary-bedroom suites, 2 of which are on the main level, a 2 car heated garage, and a home office. The second level's open floor plan is highlighted by soaring ceilings and a huge wall of windows. The deck is the perfect place to entertain or unwind, secluded & surrounded by mature trees. Take the spiral staircase to the generous-sized backyard. Interior can be changed to buyers preference, exterior remains the same due to historical requirements. This one-of-a-kind property offers the finest caliber of living in a world-class location, moments from all the shopping (1.5 miles from Pearl), dining, & leisure Boulder has to offer. Only 0.9 miles to CU Boulder! Construction has not started on this property. Listing Price includes a vacant lot, carriage house, building plans and permits.