Discover a rare opportunity to own a beautiful and versatile home in one of Boulder's most coveted neighborhoods. Nestled at the base of the foothills, this inviting property places you just steps from miles of scenic trails, Foothills Community Park, and Wonderland Lake - making it the ideal home for outdoor enthusiasts. Enjoy morning coffee or evening sunsets on your brand-new front deck with stunning foothill views, or cultivate your green thumb in the spacious yard. Inside, the main level features a bright and airy living room with vaulted ceilings, two comfortable bedrooms, a full bathroom, laundry area, and a well-appointed kitchen that opens to the living space. Upstairs, the spacious loft offers the perfect flex space for a home office, reading nook, or yoga retreat. The upper level also includes a full bathroom with double vanity and a private primary suite with its own balcony - a tranquil escape with views and fresh mountain air. What sets this home apart is its versatility. The west side of the house includes a separate entrance leading to additional living space, a bedroom, and bathroom - presenting a fantastic opportunity for Airbnb income, a guest suite, or multigenerational living. Located near top-rated schools such as Foothill Elementary, Centennial Middle School, and Shining Mountain Waldorf School, this home is also close to shopping centers, local dining, and all the vibrant amenities Boulder has to offer. 725 Union Ave is more than just a home - it's a lifestyle. With an unbeatable location, flexible living spaces, and endless potential, this is Boulder living at its finest.