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At Dewitt Construction, we provide expert septic system solutions for homes and businesses across Watertown, NY. From installation to maintenance, our team ensures efficient, long-lasting, and code-compliant systems tailored to your property’s needs.

Every property has unique soil, drainage, and usage needs. Dewitt Construction helps you navigate septic permits, installation challenges, and maintenance planning with clarity and precision.
New Septic System Installation
Septic Tank Replacement & Repairs
Drain Field Design & Installation
Pumping & Cleaning Services
System Inspections & Maintenance
Emergency Septic Repairs
Your Septic System Starts Here
Whether building a new home, remodeling, or upgrading an existing system, we make the process seamless and stress-free with craftsmanship and expertise you can trust.

Dewitt Construction is a company that stands out and our clients agree. We’re most proud of the trust and positive feedback we receive from every project.
At Dewitt Construction, we believe every successful project starts with clear communication, careful planning, and skilled execution. From concept to completion, our process ensures quality, safety, and lasting results.


We begin by understanding your needs, goals, and budget. Our team visits the site, reviews your ideas, and creates a detailed plan to guide the project from start to finish.
Next, we develop a tailored design and transparent estimate so you know exactly what to expect. We make sure every detail aligns with your vision before construction begins.
Our skilled crew handles every phase — from groundwork and framing to roofing, siding, and finishing — with precision, safety, and respect for your property.
Before completion, we perform a thorough inspection to ensure every part of the build meets our standards for quality and durability.
We wrap up with a final walkthrough to confirm your satisfaction. Our goal is simple to deliver a project you’re proud to call your own.