Royal Restrooms of Washington
Waste hauler in Maple Valley, WA · 3 drivers · 3 trucks · USDOT 3243269
Company details
- Legal name
- Salish Sea Marine LLC
- Address
- 28320 Maple Valley Black Diamond Rd SE
Maple Valley, WA 98038 - Mailing address
- 26828 Maple Valley-Black Diamo, Maple Valley, WA 98038
- Phone
- (206) 816-5406
- Website
- royalrestroomswa.com
- County
- King County
- USDOT number
- 3243269 (active)
- FMCSA registered
- Since February 2019
- Operation
- Intrastate (hazardous materials) carrier · Private property (hauls its own cargo)
- Cargo on file
- Other: Septage
- Hazardous materials
- Yes
- Locations
- 1 location · operates in WA
- Data sources
- FMCSA Motor Carrier Census (24 Aug 2026), company website (Sep 2026)
- Last verified
- 2026-10-15
Fleet and drivers
- Drivers
- 3
- Power units
- 3 trucks
- Driving radius
- Regional / long haul (3 drivers beyond 100 miles) (0 interstate, 3 intrastate)
- Annual mileage
- 198,291 miles (2026 filing)
- Fleet size band
- 1–4 drivers
- Last FMCSA filing
- MCS-150 updated Jan 22, 2026
Figures come from the carrier's own FMCSA registration filings and are self-reported.
Business categories
- Sanitation Consultants
Services mentioned on the company website
Keywords read from royalrestroomswa.com in Sep 2026. Confirm services and pricing with the company.
About this hauler
Royal Restrooms of Washington is a waste hauler based in Maple Valley, Washington, in King County. It has been registered with the Federal Motor Carrier Safety Administration since 2019 (USDOT 3243269) and files as an intrastate (hazardous materials) carrier hauling Septage. Its latest filing lists 3 drivers and 3 power units, with 198,291 miles driven in 2026. It is listed under sanitation consultants, and its website mentions portable restroom, restroom rentals, portable restrooms, restroom rental. The nearest transfer station is Cedar Falls Drop Box, 9.5 miles away, and the nearest landfill is Hobart LF in Maple Valley, 2.2 miles away.
Nearby facilities
- Hobart LF Landfill 2.2 mi · Maple Valley, WA
- Cedar Hills Regional Landfill Landfill 4.7 mi · Maple Valley, WA
- Rainier Wood Recyclers Recycling 9.0 mi · Covington, WA
- Cedar Falls Drop Box Transfer Station 9.5 mi · North Bend, WA
- PC Recycle and Repair Recycling 9.5 mi · North Bend, WA
- Renton Transfer Station Transfer Station 11.3 mi · Renton, WA
- WM - Glacier Recycling Recycling 11.4 mi · Auburn, WA
- 1 Green Planet Recycling 12.6 mi · Renton, WA
- New West Gypsum USA Recycling 12.6 mi · Kent, WA
- DTG Recycle Recycling 12.8 mi · Renton, WA
Nearest landfill: Hobart LF, Maple Valley — 2.2 mi
Other waste haulers nearby
- Coast To Coast Concrete Cutting & Demolitionsame town · Maple Valley, WA · 1 driver
- McNel Septic Service Incsame town · Maple Valley, WA · 1 driver
- McNel Septic Service & Benson Hill Septic Tank Servicesame town · Maple Valley, WA · 3 drivers
- Wolf Recyclingsame town · Maple Valley, WA · 3 drivers
- Yuk Trucksame town · Maple Valley, WA · 3 drivers
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Area served
Based in Maple Valley; towns within 15 miles: Maple Valley, Hobart, Ravensdale, Issaquah, Black Diamond, Renton, Kent, Preston, Fall City, Auburn, Sammamish, Bellevue.
County context
One of 209 waste haulers in King County, WA and one of 1,009 waste haulers in Washington.
ZIP 98038 at a glance
- Population
- 37,324 (219 per sq mi)
- Median age
- 39
- Households
- Median income $152,261 · 69% earn six figures
- Housing
- 86% owner-occupied · median home value $775,333 · median rent $2,316
- Workforce
- 67% labor-force participation · 4.1% 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
24 transfer stations, 60 recycling centers and 4 landfills in King County.