For nearly 40 years, Allens Plumbing, Home of The Drain Surgeon, has been servicing businesses and homeowners, throughout Oahu and Maui, with all their plumbing and drain cleaning needs. When we opened our doors in 1982, we held fast to our family values and customer-centered approach. Four decades later, these values remain at the center of our business. When you call Allens Plumbing for service, you will receive top-notch service from start to finish. Your plumbing and drain cleaning surgeon will listen carefully to your needs and make personalized recommendations according to your unique situation. As a family-owned and operated business, you can trust that we will only recommend products and services that we would suggest for our own families.