Welcome to 39 Mariner Circle, a spacious and inviting home in Trumbull's sought-after Tashua neighborhood. This over-sized raised ranch is nestled on a beautifully landscaped, private, level acre in one of Trumbull's most desirable areas. Thoughtfully expanded and well-maintained, this home offers comfort, space, and flexibility for today's lifestyle. The main level features hardwood floors throughout the living room, dining room, and three generously sized bedrooms, with tile flooring in the kitchen and bathrooms. Step into the cozy 3-season room, perfect for enjoying your morning coffee or winding down in the evening with a view of your lush backyard. The fully finished lower level adds exceptional living space and excellent in-law potential. It includes a spacious tiled family room with a wood-burning stove, a fourth bedroom or flexible space for a home office, gym, or den, a full bathroom and an additional half bath, a laundry room, and a large mudroom with access to the oversized two-car garage. There is ample storage throughout. Step outside to enjoy your own backyard oasis, complete with a 500 sf stone patio ideal for outdoor dining and entertaining, mature garden areas, flowering fruit trees, and a convenient storage shed. Additional highlights include gas heat with cast-iron baseboards, a new central a/c system (2023), maintenance-free vinyl siding, thermal pane windows, and a gas generator for peace of mind. And it's in the award-winning Jane Ryan School district!