Unmatched privacy meets modern luxury! Built in 2015, this highly customized colonial home sits on a rare, double-sized level lot at the end of a quiet Lexington dead-end street. The sun-drenched main level boasts a seamless open layout connecting the living, dining, and upgraded chef's kitchen areas, complete with a convenient half bath. Upstairs features a spectacular main bedroom suite with a cathedral ceiling, walk-in closet, and office space, alongside three additional generous bedrooms and a shared full bath. The finished lower level expands your living space with a multi-functional family room—perfect for a media or play room—plus a bonus room that could be a versatile au pair or guest suite. Step outside to a massive entertainer's deck overlooking the spectacular, fully usable backyard and its private, wooded surroundings. Enjoy elite energy efficiency with a solar power system and EV charging station. A commuter's dream with immediate access to I-93, I-95, and Route 2. Enjoy neighborhood perks like walking access to Arlington Reservoir and LCA's summer pool and tennis courts. Move-in ready! Don't miss this rare opportunity!