About Us. Dean’s Plumbing is a rapidly growing, family-owned business serving the greater Dayton through Xenia, Ohio area markets for over 30 years. Our unwavering commitment to superior customer service has established our ever-growing, dedicated customer base and is reflected in our 800 5-star online reviews. The Dean’s Plumbing culture encourages personal and professional growth, teamwork, and a healthy work-life balance. One Family, One Purpo...