Mangano Homes, a family business begun more than four decades ago, in now part of the Wathen Castanos family. The two homebuilders share a passion for excellence in design, construction, customer service and value. Mangano Homes, like Wathen Castanos, has built a reputation for gorgeous homes with all the right amenities. Comfortable floor plans. Personal attention. And a commitment to build with integrity, including eco-friendly products and practices. The Mangano Homes legacy of quality continues at Serra Meadows, San Luis Obispo, and Grace Lane, Arroyo Grande. These communities feature the Mangano Homes attention to detail, in the skilled hands of the Wathen Castanos team.