4,840 sq ft brick colonial on a cul-de-sac with a walkout lower level and second kitchen. Roof 2023, HVAC 2021, bathrooms fully renovated.Four bedrooms, 4.5 baths, and more space than almost anything else at this price point in Gaithersburg. The main level has formal living and dining rooms, a family room with fireplace and French doors to the deck, and a private office with custom built-ins and a wet bar. Hardwood floors, fresh paint, and new recessed lighting throughout the main level. The kitchen has granite counters, stainless appliances, and a breakfast room.Upstairs, the primary suite includes a sitting room, dressing area, and walk-in closets. The walkout lower level, with its second full kitchen, bonus room, and separate backyard entrance, works as an in-law suite, au pair setup, or rec room. Three fireplaces. Large fenced yard with mature trees.Minutes to I-270, Shady Grove Metro, and MARC rail, with the biotech corridor (AstraZeneca, NIH, FDA, NIST) close by. Whole Foods, Trader Joe's, RIO, and Seneca Creek State Park are all nearby. Montgomery County schools, community tennis courts, and a playground.