Innovative Septic System Contractor
Septic System Services We Offer:
- New Septic System Installation
- Septic System Replacement / Upgrades
- Septic System Design Coordination (if you work with an engineer)
- Excavation & Site Preparation
- Leach Field Installation
CSI provides expert septic system installations for residential and commercial properties across Massachusetts.
Whether you’re building a new home or replacing an aging system, our team ensures your septic installation is done right —- up to code, environmentally sound, and built to last.
We handle everything from site evaluation, excavation, and final installation. Our team works with all types of septic systems, including conventional, chamber, and alternative setups tailored to your properties needs.
Septic Installation Frequently Asked Questions
What type of septic system is right for my property?
Different systems such as mound, conventional, and aerobic treatment systems have varying suitability based on factors like water table, soil type and local regulations.
What if my lot has poor soil or space restrictions?
We offer tight tank and engineered system solutions that comply with local health regulations.
What is the lifespan of a properly installed septic system?
While it can vary, typically a properly installed and maintained septic system is 20-30 years.
What steps are involved in replacing a system?
The process typically includes assessing the property needs and soil conditions, selecting an installer, designing the system, obtaining permits, site preparation, installation, landscaping and a professional inspection.
How do I choose the right septic tank for my property?
The size will depend on local regulations, household size, water usage, and soil type.
Do you handle both residential and commercial septic work?
Absolutely. We serve homeowners, developers and small businesses throughout the region.
Are you licensed to install septic systems?
Yes, we are licensed to install septic systems in Massachusetts, including Title-V complaint systems.
Choose CSI to install your new septic system
Fully Licensed & Insured
You can rest assured we have all the necessary licenses and insurance to complete your project.
In-House Excavation
Our experienced operators will handle excavation and grading of your installation. No need to hire and coordinate multiple contractors
Title-V Compliant Installation
We install Title-V compliant systems tailored to your needs and space. We offer septic systems that can handle high water tables or tight spaces.
Full Project Management
CSI handles your project from permitting to final inspection. No need for your to coordinate any part of the process.
Board of Health Approved
We have extensive experience working with local Boards of Health for approval based on your properties needs.
Honest Pricing & Communication
We place a strong emphasis on honest, clear communication based on integrity and value. Our pricing is fair, accurate and competitive.
Septic Installations You Can Trust
Our Services
Excavation & Site Work
Comprehensive Excavation Services and Site Work for Commercial and Residential Clients, Contractors and Municipalities.
Vacuum Truck Services
Providing vacuum excavation, pipe cleaning, debris removal, utility repair & installation, and jet vac services, throughout Massachusetts, Southern New Hampshire, and Southern Maine
Commercial Construction
Design build construction tailored to your companies needs. From commercial spaces to grocery chains, CSI has been providing clients with seamless construction services and project management for over 40 years.
Commercial Property Management
Partner with CSI to manage your commercial properties. From inspections, maintenance and tenant fit-outs, to snow & ice removal we have you covered.
Residential Construction
Building solutions you can trust. CSI provides new construction services for residential customers. From new homes to additions, let’s make your visions into reality.
Septic Systems
CSI provides new septic installations and replacements for residential and commercial properties.