Septic Tank Cleaning, Repair & Installation in Fenwick Island, DE

McMullen Septic Service, Inc. – Trusted Since 1953

Looking for a dependable septic company in Fenwick Island, DE? Turn to the experts at McMullen Septic Service, Inc. As a full-service septic provider, we offer septic tank pumping, emergency repairs, drain field solutions, and new system installations—all with the reliable service our customers have counted on since 1953.

Septic Services You Can Count On in Fenwick Island

Whether you need routine maintenance or help with a failing system, McMullen Septic delivers fast, clean, and cost-effective solutions. We proudly serve homeowners, builders, and businesses across Fenwick Island with:


  • ✅ Septic Tank Cleaning & Pumping
  • ✅ System Repairs & Troubleshooting
  • ✅ Drain Field & Leach Line Repair
  • ✅ Septic System Installation for New Construction
  • ✅ Real Estate Septic Inspections
  • ✅ Preventative Maintenance Programs


Our licensed technicians bring decades of experience to every job and understand the unique demands of coastal septic systems.

Why Choose McMullen Septic in Fenwick Island?

  • 🏆 Serving Sussex County Since 1953
  • 🧰 Full Range of Septic Services
  • 🚛 Quick Response Times
  • 📍 Local Knowledge of Fenwick Island Regulations
  • 🧼 Clean, Courteous, and Professional Crews


We combine old-fashioned service with modern septic solutions to give you the peace of mind you deserve.

Coastal Septic Solutions for Fenwick Island Homes

Septic systems near the coast come with unique challenges. At McMullen Septic, we’re familiar with the local soil conditions, high water tables, and regulations that impact homes and businesses in Fenwick Island. Whether you're upgrading your system, replacing aging components, or scheduling a routine cleaning, we’re here to help—quickly and affordably.

Schedule Septic Service in Fenwick Island, DE

Protect your home and your environment with help from McMullen Septic Service, Inc.—the trusted name in Delaware septic services for over 70 years.

📞 Call Us Today:

📧 Email: office@mcmullenseptic.com

McMullen Septic Service, Inc. – Delivering dependable septic solutions in Fenwick Island, DE and the surrounding coastal communities since 1953.