Septic Services in Seaford, DE | McMullen Septic Service, Inc.
Trusted Septic Cleaning, Repairs & Installations Since 1953
When you need dependable septic service in Seaford, DE, turn to McMullen Septic Service, Inc. For over 70 years, our family-owned business has provided full-service septic solutions, including tank cleaning, system repairs, and complete installations. Whether it’s routine maintenance or a system emergency, Seaford homeowners and businesses know they can count on us.

Complete Septic Solutions in Seaford
Your septic system plays a critical role in your property’s health and safety. At McMullen Septic, we provide the services you need to keep it working reliably year-round:
- ✅ Septic Tank Pumping & Cleaning
- ✅ Emergency Septic System Repairs
- ✅ Drain Field & Leach Line Repair
- ✅ New Septic System Installation & Design
- ✅ Real Estate Septic Inspections
- ✅ Routine & Preventative Maintenance Plans
Our licensed technicians are experienced, efficient, and committed to doing the job right the first time.
Why Seaford Residents Choose McMullen Septic
- 🏆 Locally Based & Serving Delaware Since 1953
- 🧰 Full-Service Septic Care – One Call Does It All
- 🕒 Prompt, Reliable Scheduling & Emergency Availability
- 📍 In-Depth Knowledge of Seaford Area Regulations & Soil
- 🧼 Clean Worksites & Respectful Service
We take pride in serving our local community with honesty, transparency, and quality workmanship that stands the test of time.
Serving All of Seaford and Western Sussex County
As a business with deep roots in Sussex County, McMullen Septic understands the unique septic needs of properties in Seaford and the surrounding rural areas. We’re familiar with local permitting processes, environmental conditions, and septic regulations, so you get service that’s not only fast—but fully compliant.
Schedule Septic Service in Seaford, DE
If your tank needs pumping, your system needs repair, or you're planning new construction, McMullen Septic Service, Inc. is ready to help.
📞 Call Us Today:
- Seaford Office: 302-684-6221
- Rehoboth Beach Office: 302-684-2909
📧 Email: office@mcmullenseptic.com
McMullen Septic Service, Inc. – Providing trusted septic services in Seaford, DE and Sussex County since 1953.