Septic system installation in Jefferson County
Ramstetter Excavating, Inc. is on Jefferson County Public Health’s list of licensed onsite wastewater treatment system (OWTS) contractors, so we can install and repair septic systems on permitted jobs in the county. David Ramstetter is the contact named on the county’s list.
How a septic job runs in Jefferson County
The county sets the order of work. Its full rules are in the OWTS regulations.
Site and soil evaluation
The lot is evaluated and the system is designed to fit the soil and the house.
County permit
Jefferson County Public Health reviews the design and issues the OWTS permit.
Installation
A licensed contractor digs, sets the tank and builds the soil treatment area.
Inspection
The county inspects the system before it is covered and approves it.
Questions about septic systems
Straight answers, with sources linked where it matters.
Is Ramstetter Excavating licensed for septic work?
Yes. The company is on Jefferson County Public Health’s licensed OWTS contractor list, revised October 5, 2026.
Does a new septic system need a permit?
In Jefferson County, yes. New and replacement systems need an OWTS permit from Jefferson County Public Health before work starts.
Send the job over
Call the yard, send an email, or fill out the ticket. The ticket opens your own email app with everything filled in, so it reaches the office like any other email.
303-279-1364- ramexsite@aol.com
- Yard
- 16570 W 12th Pl, Golden, CO 80401. Get directions