Dumps NearbyLandfillEPA / OSM listing
Cowlitz County Headquarters Landfill
Cowlitz County Headquarters Landfill is a landfill in Cowlitz County, WA, listed under Castle Rock. As a public facility it takes loads from residents; some public sites limit this to people who live in the area. Listed materials: household trash & bulky items. We list 5 other drop-off sites in Cowlitz County. In 2022 it accepted roughly 787,914 tons, according to EPA data.
| Address | 3434 South Silverlake Road, Castle Rock, WA 98611 Directions |
|---|---|
| County | Cowlitz County, WA |
| Phone | (360) 636-7080 |
| Hours | Opening times are missing from our sources, so confirm them first. |
| Fees | No price on record. Many sites bill per ton with a minimum fee per visit. |
| Access | Public drop-off run by a city, county or district |
| Accepts | Household trash & bulky items |
| Operator | Cowlitz County (publicly owned) |
| Opened | 1993 |
Source: EPA landfill data (LMOP), EPA record dated April 2025. We have not verified it yet. Price or hours wrong? Tell us.
Before you go
- Ask about the last entry time; scales often stop taking loads before closing.
- Secure everything in the truck bed; loose debris on the road can mean a fine.
- Ask before bringing tires or a fridge; many sites charge per item for them.
- Unload quickly and safely: stay clear of heavy equipment on the tipping floor.
Hazardous waste drop-off nearby
- Waste Control Transfer Station and Recycling Transfer stationHousehold trash & bulky itemsHousehold hazardous waste
- Columbia County Transfer Station Transfer stationHours: Mon to Sat 8 am to 5 pmHousehold trash & bulky itemsHousehold hazardous wasteElectronicsTiresScrap metal
More in Cowlitz County
All 6 drop-off sites in Cowlitz County · Hazardous waste · Yard waste · Construction debris · Washington
Frequently asked questions
Where is Cowlitz County Headquarters Landfill?
3434 South Silverlake Road, Castle Rock, WA 98611. Directions open in Google Maps on your phone or computer.
What can I drop off at Cowlitz County Headquarters Landfill?
Cowlitz County Headquarters Landfill is listed for household trash & bulky items. Confirm by phone before you load up.
Is Cowlitz County Headquarters Landfill open to the public?
Public drop-off run by a city, county or district.
Where can I take paint and chemicals near Castle Rock?
The closest household hazardous waste drop-off we list is Waste Control Transfer Station and Recycling, about 11 miles away.
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