LAST OPPORTUNITY TO BUILD YOUR DREAM HOME AT TRAILHEAD! Amazing opportunity to build your custom dream home in Boulder's best location! This beautiful 16,549 sq ft lot is THE LAST BUILDABLE LOT in the coveted Trailhead neighborhood. The perfect location on a private cul-de-sac on 3rd St. Nestled between historic Mapleton neighborhood & Newlands neighborhood at the base of Mount Sanitas. Only 23 total lots in this private & tranquil neighborhood. This lot sits among some of the finest & newest stunning architectural masterpieces in Boulder. Access to miles of Boulder foothill trails out your front door, & just blocks to Pearl Street & downtown Boulder, Ideal Market shopping center, Santos, Beliza coffee and North Boulder Park. Everything you love about Boulder at your doorstep.