McMullen Septic Service, Inc. is a family owned and operated company dedicated to quality customer service, in and around Sussex county, since 1953. We are a 3rd generation septic company offering more than 50 years worth of experience and expertise to our customers.  We are dedicated to educating our customers about their septic systems and promoting quality and professionalism in our staff through continuing education classes and training.

McMullen Septic Service is a customer first company. We measure the success of our business on having customers call us back. We believe it is relatively easy to get that first call but the true measure of a successful business is how many customers you keep after the first service. We do our best to satisfy all of our customers needs each and every time we come to your home.

McMullen Septic is a full service company fulfilling all of your septic and home drinking water needs. Our services include septic system installation, pumping, inspections, well installations, and water treatment systems. We offer a full line of maintenance products along with post-installation products such as tank risers and outlet filters. Call us today for any of your septic needs or even if you simply have a question about septic systems. Our friendly staff is here to help you with all of your septic and drinking water needs.