Welcome to 5410 11th Street N, a beautifully expanded home nestled in the heart of the highly sought-after Lacey Forest neighborhood of North Arlington. Situated on a flat 7,581 square foot lot with a newly fenced backyard completed in March 2025, this spacious four-bedroom home offers nearly 2,800 finished square feet of comfortable living, flexible spaces, and thoughtful updates throughout. The upper-level features solid oak hardwood floors in the light filled living room with plantation shutters and flows into the formal dining room showcasing custom built-ins accented by chair rail & crown molding, creating an inviting space for both entertaining and everyday living. The expansive kitchen is thoughtfully designed with bench seating in the eat-in breakfast area and amazing cabinet space with granite countertops accented by an exposed brick wall, stainless steel appliances and a central butcher block island. A brand-new dishwasher and stove were just installed in 2026. Just off the kitchen, the incredible screened-in porch with vaulted ceilings offers the perfect extension of the living space, overlooking the private backyard and creating an ideal setting for relaxing or entertaining year-round. The upper level includes two spacious bedrooms and a full bath, while the lower level offers remarkable versatility with two additional bedrooms and one-and-a-half baths. All of the bedrooms are spacious and provide ample closet space. Enjoy movie night in the large lower-level family room anchored by a wood-burning fireplace. A generous sunroom/bonus room at the back of the home provides even more flexible living space with a wet bar and windows that look out over the fully fenced backyard, perfect for a home office, playroom, gym, or second lounge area. Additional major updates include a new HVAC system in 2025, new washer and dryer in 2025, and a new backyard fence completed in 2025, providing peace of mind for years to come. Ideally located in Arlington's desirable Lacey Forest community, this expanded home combines a beautiful, large living space in an exceptional neighborhood setting just a few blocks to the Custis bike trail and close to Westover, Ballston and everything Arlington has to offer. Don't miss this amazing home!