Open Saturday, 5/30, from 1-3pm, and Sunday, 5/31, from 12-2pm. Welcome to 636 N. Columbus Street - a beautifully updated end-unit townhome in coveted Old Town Alexandria. Offering over 2,000 square feet of light-filled living space across three finished levels, this exceptional residence blends timeless character with modern comfort just moments from the waterfront, King Street, Braddock Metro, Trader Joe's, and beloved neighborhood restaurants and shops. A charming screened-in front porch welcomes you inside, where high ceilings, hardwood floors, recessed lighting, and an open, airy floor plan create an inviting atmosphere throughout. The living room is anchored by a fireplace with a striking stone surround, flowing seamlessly into the beautifully updated kitchen, featuring granite countertops, a center island, stainless steel GE appliances, a dual-oven gas range, and stylish pendant lighting. A cozy breakfast area just off the kitchen offers every-day usability and opens directly to a beautifully landscaped rear yard with a patio ideal for outdoor dining and entertaining, along with a private parking pad. Upstairs, both bedrooms feature en-suite baths, including a spacious primary suite with its own fireplace, spa-inspired bath with soaking tub, frameless glass shower, and dual vanity. The fully finished walk-out lower level provides exceptional versatility with a recreation room, guest bedroom (or home office), updated full bath with clawfoot tub, and laundry area - ideal for guests, an au pair, or additional living space. Renovated in 2018, according to the previous owners, the home has continued to benefit from thoughtful improvements and upgraded appliances, including a new washer and dryer (2025), new dishwasher (2026), and new wine refrigerator (2026). Combining generous scale, timeless finishes, and an unbeatable Old Town location, 636 N. Columbus Street presents a rare opportunity to enjoy refined urban living in one of Northern Virginia's most sought-after neighborhoods.