A truly rare historic estate sitting on over an acre along Bay City's Center Avenue, offering timeless elegance, character, and the charm of an English countryside setting. This classic residence makes an unforgettable first impression with its stately presence, mature grounds, and beautifully preserved architectural details. Inside the main home, you will find 3 bedrooms and 2 full bathrooms. Thoughtfully blending historic craftsmanship with modern comfort, the formal dining room features beautiful French glass doors, while the formal living room is anchored by a warm gas fireplace. The spacious primary bedroom also includes its own gas fireplace. The family room and the breakfast nook with original french doors adorned with original brass hardware, both open to the clear covered deck wrapped with a flagstone wall. The kitchen offers an adjacent pantry, newer appliances, granite countertops, an island with an inset range, and rich, floor to ceiling cherry cabinets. The residence also includes a 3 season room complete with a sauna. This room could be a wellness room or a first floor office with heat added. The spacious property outside features a detached garage, small pond, outdoor stone fireplace, greenhouse, and an additional storage shed. Connected to the main residence with its own private access, the guest house offers exceptional flexibility with 3 bedrooms, 2 full bathrooms, a living room, office, and kitchenette with dining area, ideal for extended guests, short term rental, or additional living space needed. Modern amenities such as central air, forced air, and an efficient boiler heating system provide year round comfort and help support energy efficiency, while preserving the historic charm. This is a rare opportunity to own a truly iconic historic property with classic beauty, generous grounds, and modern conveniences in Bay City's Center Avenue Historic District.