Mason County Septic Systems

Septic and portable sanitation

Waste hauler in Shelton, WA · 2 drivers · 2 trucks · USDOT 2014130

Company details

Address
E90 Cranberry Rd
Shelton, WA 98584
Mailing address
PO Box 1341, Shelton, WA 98584
Phone
(360) 426-8642
County
Mason County
USDOT number
2014130 (active)
FMCSA registered
Since March 2010
Operation
Intrastate carrier · Private property (hauls its own cargo)
Cargo on file
Other: Sand Gravel
Hazardous materials
No
Locations
1 location · operates in WA
Data sources
FMCSA Motor Carrier Census (24 Aug 2026)
Last verified
2026-10-15

Fleet and drivers

Drivers
2 (all CDL holders)
Power units
2 trucks
Driving radius
Local (all drivers within 100 miles) (0 interstate, 2 intrastate)
Fleet size band
1–4 drivers
Last FMCSA filing
MCS-150 updated Mar 30, 2010

Figures come from the carrier's own FMCSA registration filings and are self-reported.

About this hauler

Mason County Septic Systems is a waste hauler based in Shelton, Washington, in Mason County. It has been registered with the Federal Motor Carrier Safety Administration since 2010 (USDOT 2014130) and files as an intrastate carrier hauling Sand Gravel. Its latest filing lists 2 drivers and 2 power units. The nearest transfer station is Mason County Transfer Station, 1.2 miles away, and the nearest landfill is Mason County LF in Shelton, 1.3 miles away.

Nearby facilities

Nearest landfill: Mason County LF, Shelton — 1.3 mi

Other waste haulers nearby

One of 24 waste haulers in Mason County, WA.

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Area served

Based in Shelton; towns within 15 miles: Shelton, Union, Grapeview, Olympia, Matlock, Tahuya, Mccleary.

County context

One of 24 waste haulers in Mason County, WA and one of 1,009 waste haulers in Washington.

ZIP 98584 at a glance

Population
40,606 (44 per sq mi)
Median age
41
Households
Median income $78,610 · 39% earn six figures
Housing
80% owner-occupied · median home value $389,749 · median rent $1,315
Workforce
52% labor-force participation · 5.9% unemployment

ZIP figures are US Census estimates for the ZIP area, not the company.

Washington solid-waste agency: Washington State Department of Ecology

Disposal options for this hauler

2 transfer stations, 3 recycling centers and 1 landfill in Mason County.