Septic Services in Sussex County, DE | McMullen Septic Service, Inc.

Your Trusted Full-Service Septic Company Serving Sussex County Since 1953



For over 70 years, McMullen Septic Service, Inc. has been the go-to septic service provider throughout Sussex County, Delaware. Whether you need septic tank pumping, repairs, or a complete system installation, our licensed and experienced team delivers professional, dependable service tailored to the unique needs of Sussex County’s diverse properties.

Person in work clothes lifting a manhole cover with a hook in a grassy area.

Comprehensive Septic Services Across Sussex County

We offer full-service septic solutions for residential, commercial, and agricultural properties all across Sussex County, including:


  • ✅ Septic Tank Pumping & Routine Cleaning
  • ✅ Septic System Repairs & Emergency Services
  • ✅ Drain Field & Leach Line Maintenance and Repair
  • ✅ New Septic System Design & Installation
  • ✅ Certified Septic Inspections for Real Estate
  • ✅ Scheduled Maintenance Programs


No matter your location or system type, we bring decades of local expertise to every job.

Why Choose McMullen Septic Service, Inc. for Your Sussex County Property?

  • 🛠 Trusted Since 1953 with 70+ Years of Experience
  • 📍 Deep Understanding of Sussex County’s Soil & Environmental Conditions
  • 👷‍♂️ Licensed, Insured, and Skilled Technicians
  • ⏱ Prompt Scheduling & Reliable Emergency Response
  • 🧼 Clean, Courteous, and Professional Service Every Time


We’ve built our reputation on quality workmanship and customer satisfaction across all Sussex County communities.

Serving All Sussex County Areas Including:

From Seaford to Rehoboth Beach, and all the towns in between—including Lewes, Georgetown, Millsboro, Milton, Bridgeville, and beyond—McMullen Septic is proud to serve Sussex County with tailored septic solutions for every neighborhood and property type.

Schedule Your Septic Service in Sussex County Today

Protect your home or business by scheduling professional septic service with McMullen Septic Service, Inc.. Our team is ready to help you maintain a healthy septic system that lasts for years.


📞 Call Us Today:

📧 Email: office@mcmullenseptic.com


McMullen Septic Service, Inc. – Proudly serving Sussex County, DE with reliable septic services since 1953.