Rare 1+ acre opportunity in the heart of Colleyville's highly desirable northwest corner, home to several multi-million dollar estates and large-lot properties. This ~99' x 499' deep lot offers exceptional potential for builders, investors, or buyers seeking a premier estate property, with plenty of room for future expansion. A large 40' x 60' workshop with electricity offers space for cars, furniture-making, woodworking, or other major hobbies. The existing 2,321 SF single-story home has great bones and a solid floorplan, ready for some cosmetics to bring it to its full potential--plus recent updates including roof, gutters, water heater, windows, well equipment, and HVAC system already in place. Inside you'll find 2 living + 2 dining areas plus a large bonus room next to the primary suite, currently used as a spacious closet for the primary bedroom. It could easily be re-purposed as a study or nursery. The house has an attached 2 car garage and the shop could accommodate 4 more vehicles. Functional water well. Less than one block to the Cotton Belt Trail. Zoned R40, with horses allowed. Contact city to verify horses and number allowed. GCISD. Bring your vision and make this home your own.