Welcome to 510 Irving Street NW, a charming and thoughtfully updated home that blends original architectural details with modern conveniences and offers the added benefit of a completely separate lower-level rental unit with a CofO. The home makes a welcoming first impression with its classic DC curb appeal and inviting front porch. The main residence is filled with character, featuring hardwood floors throughout, original moldings and archways, and an inviting living room with built-in shelving and an electric fireplace. A separate dining room and updated kitchen features white cabinetry, granite countertops, stainless steel appliances, and a stylish tile backsplash. An added powder room and convenient main-level laundry complete this floor. Upstairs, you'll find two bedrooms plus a versatile bonus room off the primary bedroom, ideal for a home office, nursery, walk-in closet, or potential third bedroom. An updated full bathroom completes the upper level. The fully renovated lower level offers incredible flexibility and income potential with a separate unit that has front and back entrances. The space includes one bedroom plus a den, offering the flexibility of a second sleeping area or home office, along with its own living space, kitchen, full bathroom and laundry. Outside, the deep lot provides plenty of room to enjoy the outdoors along with the added convenience of secure off-street parking. Situated in Columbia Heights, the location offers easy access to neighborhood restaurants, cafs, parks, shopping, and everyday conveniences. The Georgia Ave-Petworth Metro station and Columbia Heights Metro station provide convenient transportation options. Popular neighborhood destinations along Georgia Avenue and 11th Street include Heat Da Spot Caf, The Coupe, and El Chucho - Cocina Superior. With preserved original details, thoughtful updates, flexible living spaces, and a separate legal rental unit, 510 Irving Street offers a unique opportunity for an owner-occupant or investor.