Septic Installation in Byrnes Mill, MO – House Excavating LLC

Serving Byrnes Mill and All Surrounding Areas with Reliable Residential & Commercial Septic Systems

Looking for trusted septic installation in Byrnes Mill, Missouri? House Excavating LLC is your local, family-owned expert for complete septic system design, installation, repair, and maintenance. With over 20 years of experience in Jefferson County, we proudly serve Byrnes Mill (population ≈ 3,150) and nearby communities including House Springs, High Ridge, Cedar Hill, Hillsboro, Eureka, and Imperial.

Call us today at (636) 213-5003 or (573) 203-1123 for a free estimate!

Professional Septic Services in Byrnes Mill & Jefferson County

• New Septic System Installation (Conventional & Alternative Systems)
• Drain Field / Leach Field Installation & Replacement
• Septic Tank Pumping & Maintenance
• Land Grading & Site Preparation
• Excavation for New Construction
• French Drains & Surface Water Management
• Commercial Septic Systems for Businesses & Subdivisions

Whether you’re building a new home off Highway 30, adding on to your property near Big River, or replacing a failing septic system, we handle every phase from soil testing and permitting to final backfill and grading.

Why Byrnes Mill Homeowners & Businesses Choose House Excavating LLC

⭐⭐⭐⭐⭐ “House Excavating installed our new septic system last spring and we couldn’t be happier. They showed up on time, kept the yard clean, and the system has worked perfectly. Highly recommend for anyone in Byrnes Mill!” – Sarah T., Byrnes Mill, MO

⭐⭐⭐⭐⭐ “Professional, honest, and fairly priced. They replaced our old drain field in two days and even re-graded the yard better than it was before. Best excavating company in Jefferson County!” – Mike R., House Springs (5 minutes from Byrnes Mill)

⭐⭐⭐⭐⭐ “We needed a commercial septic system for our new shop on MM. They handled the engineering, permits, and installation without a single headache. Top-notch crew!” – Tom’s Auto Repair, High Ridge, MO

About Byrnes Mill, Missouri

Nestled along the Big River in northwest Jefferson County, Byrnes Mill is a quiet, growing community of approximately 3,150 residents (2024 estimate) known for its rural charm, wooded lots, and easy access to St. Louis (just 30–35 minutes via Highway 30 or I-44). With many homes on acreage and outside municipal sewer districts, a properly designed and installed septic system is essential for homeowners and new construction in the area.

Ready for Worry-Free Septic Service in Byrnes Mill?

Don’t trust your septic installation or excavation project to just anyone. Choose the local team that knows Jefferson County soil, regulations, and weather challenges better than anyone.

📞 Call House Excavating LLC now at (636) 213-5003 or (573) 203-1123

📧 Message us for a fast, free quote

🌐 Serving Byrnes Mill, House Springs, Cedar Hill, High Ridge, Hillsboro, Eureka, Imperial, and all of Jefferson County

House Excavating LLC – Byrnes Mill’s trusted name in septic installation, drain fields, and excavation since 2003. Licensed • Insured • Local