SEPTIC · EXCAVATION · INFRASTRUCTURE
Based in Salem.
Built around your site.
Septic systems, excavation, and utility work in Marion County, from On-Site’s Salem base. Direct conversations and a technical approach to the work beneath your property.
YOUR MARION COUNTY PROJECT
Septic work, sewer connections, utility excavation, and commercial stormwater infrastructure each have a role in how a site functions. Share the plans and the people involved so the scope can be discussed in the context of the complete project.
Meet the people behind the workWHAT WE DO
From the septic system to the surrounding site. Explore the service you need or bring the complete project to the conversation.
Septic installations and replacements for residential, commercial, and rural properties across Linn, Benton, Lane, Polk, Marion, and Yamhill counties.
From residential septic repairs to more complex wastewater concerns, we start by understanding why the system is not working.
Keep your system history organized and plan the next maintenance conversation.
Understand your drain field concerns and explore the next steps for evaluation, repair, or replacement.
Excavation for residential projects, underground utilities, and commercial site infrastructure—planned around how the finished site needs to work.
Open up usable space with a clearing plan that respects the features you want to keep.
Shape your project around planned elevations, access, and the way water moves across the property.
Trenching and underground utility work for property improvements, sewer connections, and site infrastructure.
Sewer connection and installation work for Salem-area properties and site developments.
Utility excavation and installation for residential, commercial, and rural projects across six Oregon counties.
Commercial stormwater collection and conveyance construction for site infrastructure projects.
PLANNING WITH CONFIDENCE
Based in Salem. Serving Marion County by project.
Explore our project galleryYes. On-Site works with property owners, contractors, engineers, and other professionals. Share your project’s plans and contacts so responsibilities, access, and the proposed scope can be discussed together.
The property location, access, existing conditions, materials, and the agreed scope all affect the project. Share your target timing and any plans or records. Availability and an estimate need to be confirmed directly.
On-Site is based in Salem, Oregon. This page describes our service coverage; contact the team to discuss your property and the proposed work.
OFFICIAL COUNTY RESOURCES
Marion County Building Inspection — Onsite Sewage Disposal
Start with the county’s scanned records, then collect existing plans and reports. If records are missing, ask Building Inspection what is available.
The county provides scanned Building Inspection records and notes that online files may be incomplete. Ask the office about records you cannot find.
Resources checked . Confirm current requirements with the county.ALSO SERVING
View all service areasYOUR NEXT PROJECT STARTS HERE