Welcome home to 10036 Old Frederick Terrace! This stunning property features a breathtaking 4-level 5 bedroom 4 1/2 bathroom main residence, a detached oversized 3-car garage with a 1 bedroom 1 bathroom 1,100 square foot upper level accessory unit, and an extraordinary outdoor entertainment space like you've never seen before! First, stepping into the entry level of the main residence you'll find gorgeous newly refinished hardwood floors spanning your formal living and dining rooms, incredible gourmet kitchen with high-end Viking and Thermador appliances, and inviting sunroom. The main level also features an enormous pantry, spacious mud room with laundry, and guest half bath. Making your way to the first upper level you'll find your primary suite with dual walk-in custom closets and private full bath, a secondary bedroom suite with private full bath, plus a third and fourth bedroom with shared full bath. The second upper level offers a rec area and additional bedroom suite with private full bath.  The lower level of the home is unfinished, but offers endless possibilities with elevated ceilings, a fireplace, and a rough in for a full bath and wet bar. Making your way outside you'll fall in love with the incredible outdoor space featuring a deck, spacious patio, hot tub, custom fireplace, a billiards garden, and a sprawling yard with a dense tree-line for privacy. The oversized detached 3 car garage offers plenty of space for a business owner or car enthusiast, with a surprisingly luxurious upper level accessory unit featuring a large living area, secondary kitchenette, bedroom and full bathroom. This truly one-of-a-kind property offers all of this in a convenient location, just off Route 15, less than 15 minutes from Downtown Frederick, plus there's no HOA! Don't miss out on your chance to call this stunning property your very own!