In Zagarolo, in the well-known residential area of Colle Quadri, we are offering for sale an exclusive property complex situated on a beautifully maintained, panoramic hillside lot of approximately 4,000 square meters. The property consists of a prestigious two-story single-family villa of approximately 330 square meters, featuring an in-ground pool and a sun deck, and a charming single-story single-family guesthouse with approximately 70 square meters of interior space. The complex is rounded out by two spacious outdoor brick storage sheds and a charming cellar carved into the rock. The villa, which is in excellent overall condition and was partially renovated in 2023, is laid out as follows: On the ground floor, there is a spacious entryway, the living room, a master bedroom with a walk-in closet and storage closet (currently used as a study), a bathroom with a window, a large dining room, a spacious and bright kitchen, and a stunning bioclimatic greenhouse with a panoramic view. On the upper floor, there is a beautiful master suite with an en-suite bathroom, two walk-in closets, and a panoramic terrace of approximately 30 square meters; a second double bedroom, also with a walk-in closet; a spacious bathroom with a window; and a third double bedroom featuring a balcony with a stunning panoramic view of the pool. The charming guesthouse, which features a spacious outdoor area paved with terracotta tiles, is in excellent external condition, while the interior is in fair overall condition but is nonetheless ready for immediate occupancy. As for the systems and general amenities, the villa features beautiful terracotta or hardwood floors, depending on the room, and is equipped with solar panels (making it nearly entirely energy self-sufficient), direct water supply, and a well for irrigation. The heating and domestic hot water systems have a dual fuel source of pellets and/or natural gas (with a storage tank). Finally, the property features an alarm system, aluminum window frames with double-pane glass, mosquito screens, and security shutters (bar grilles in the living area).