Septic System Services

Competitive Pricing | Free Estimates on Septic Installations | Since 1953

Serving All Of Sussex & Kent County, DE

Septic System Installation in Millsboro, DE

Welcome to McMullen Septic Service. We are your number-one solution for professional septic system repair in Sussex County and Kent County, Delaware.  We have been a family-owned business since 1953. We offer a wide range of septic system repair services.

At McMullen Septic Service, we provide a wide range of septic tank services to meet the needs of our clients in Millsboro, DE. Our team of professionals is dedicated to ensuring the proper function and maintenance of your septic system, offering solutions that are tailored to your specific requirements. Whether you need routine septic services or emergency assistance, you can count on us to deliver prompt and reliable service.


Septic System Installation


If you're in need of a new septic system, look no further than McMullen Septic Service. Our skilled technicians have extensive experience in septic tank installation, ensuring that your system is set up correctly and functions efficiently. We offer a variety of septic system options to suit your property's unique needs, and we'll guide you through the entire process.


Septic Maintenance and Repair


Regular maintenance is essential to keep your septic system in optimal condition and prevent costly repairs. At McMullen Septic Service, we provide septic services, including inspections, pumping, and cleaning, to help you maintain a healthy and efficient system. In addition, our technicians are trained to handle any necessary repairs, addressing issues quickly and effectively to minimize disruptions to your daily routine.


Septic Tank Installation


With septic tank installation, you need a company that you can trust to get the job done right. McMullen Septic Service is committed to providing the highest quality workmanship and customer service, ensuring that your new septic system is installed correctly and built to last.


For septic tank services, septic system installation, and maintenance in Millsboro, DE, trust the experts at McMullen Septic Service. Our commitment to customer satisfaction and our extensive experience in the industry make us the top choice for all your septic needs. Contact us today to learn more.

Our Areas Of Expertise

McMullen Septic Service performs all types of septic system installations, including new construction installations, septic system replacements, LPP septic systems, gravity septic systems, and more. Clients choose us because we go above and beyond for them. The job is never finished until you’re satisfied, and there are never any hidden fees. 

  • Transparent Image One — Seaford, DE — McMullen Septic Services

    ★★★★★

    I called first thing on a Monday morning due to my septic being full and not draining. I was happy to hear Mike tell me that he could send someone out on the same day I even got a call ahead of time that his driver Josh was on the way. Josh was professional,honest and timely. He answered any questions I had along the way which put my mind at ease. I will definitely be using this company in the future. Thank you


    - Samantha M.

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  • Transparent Image Two — Seaford, DE — McMullen Septic Services

    ★★★★★

    We had a emergency with the sewer tank being full. McMullen's came out the same day and took care of our

    problem.Definiteley recommed them.


    - Brad M.

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  • Transparent Image Three — Seaford, DE — McMullen Septic Services

    ★★★★★

    We had an emergency septic block up. The 2 gentleman responded within hours even though they were totally booked. They were absolutely the best in every way possible. Professional, explained ways to avoid problems in future, friendly and well versed in their jobs.


    - Carol W.

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  • Transparent Image Four — Seaford, DE — McMullen Septic Services

    ★★★★★

    Mike was extremely easy to deal with. His attitude, professionalism, and knowledge was better than I could have asked for. He gave me tips before panicking next time and McMullen had someone here same day; everywhere else was at least a 2 week wait and we really didn't have the ability to wait that long. Customer service was amazing from start to finish, and the call to let me know the service man was on his way was extremely nice to have. Will definitely be using them in the future!!


    - Monica R.

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  • Transparent Image Five — Seaford, DE — McMullen Septic Services

    ★★★★★

    McMullen’s always answers promptly and schedules appointments to fit your needs. They are super friendly and staff is great! Reasonably priced and gets the job done quickly and efficiently. The techs are very professional and the office/scheduling team work hard to meet your expectations. They always calm when they are on the way and arrive on time. Highly recommend them and commend them on their work ethic especially during this time in our lives when everything is scary and crazy. We love them!


    - Jen Z.

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Call Us Today For A Free Quote At (302) 629-6221

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