Historic character meets best-in-class, climate friendly system upgrades in this charismatic Victorian-style duplex, just steps from downtown and some of Boulder's most iconic hiking trails. Built in 1902 and owned by Boulder barber and wife J.R. and Maggie Patterson, this enchanting home is as charming as its history. 10-foot ceilings, exquisite moulding, scallop siding, and original hardwood floors are meticulously maintained to showcase the home's authentic and captivating beauty. The alluring charm is only outdone by the extensive modern upgrades that breathe new and functional life into the home. A previous winner of the City's Home Energy Makeover Contest, this duplex boasts triple pane windows, energy-efficient insulation, and air sealing along with a new Energy Star-certified roof and a brand new high-efficiency heating and cooling pump. Newer appliances included, this home runs completely on electric energy with a natural gas backup. Along with comprehensive foundation work, upgraded electrical, and extensive landscaping, you can rest easy with the heavy lifting completed. The inviting front porch, the private balcony with views of Mt. Sanitas, or the tranquil backyard offer multiple outlets to enjoy the outside. Copious storage, natural light, and delightful fruit trees round out the many refreshing features. This home is currently a legal duplex presenting a tremendous rental opportunity or it could easily be converted into a single-family home if desired. Come take a look!