Welcome to 166 Catalina in the desirable Refugio Valley neighborhood of Hercules! This spacious 2-story home features 4 bedrooms and 3 full bathrooms, including a highly sought-after downstairs bedroom and full bath—perfect for guests, extended family, or a home office setup. Upstairs offers 3 additional bedrooms and 2 bathrooms, including an updated primary suite with a beautifully remodeled bathroom. Fresh interior paint and beautiful hardwood flooring throughout give the home a warm, bright, and updated feel. Step outside to a peaceful backyard surrounded by mature redwood trees, creating a private and relaxing setting. Additional highlights include a 3-car garage and a prime location within walking distance to Hannah Ranch Elementary and approximately 1 mile from Hercules High School. A wonderful opportunity in one of Hercules’ most sought-after communities!