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Most King County offices will be closed on July 4, for Independence Day.  
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Environmental Lab map

From I-5 Southbound:

  1. Take Exit 169 (NE 50th Street).
  2. Turn Right (eastbound), follow 50th Street past the Woodland Park playfields.
  3. After driving under the Aurora Avenue overpass, take the first Left (southbound) onto Fremont Ave. North.
  4. Follow Fremont Ave. past the Fremont Bridge, turn Right (northwesterly) onto Nickerson Street.
  5. Turn Right (northbound) onto 3rd Ave. West for only one block.
  6. Turn Left (northwesterly) onto West Ewing St. Look for 322 West Ewing, the KC Environmental Lab building is on your right on the Ship Canal.
  7. Park in the KC Parking Lot across the street from the KC Environmental Laboratory or use street parking if available.

From I-5 Northbound:

  1. Take Exit 167 (Mercer St.) westbound.
  2. Turn Right onto Westlake Ave. (northbound). Westlake Ave. will turn into Nickerson Street after passing the Fremont Bridge.
  3. Turn Right (northbound) onto 3rd Avenue West for only one block.
  4. Turn Left (northwesterly) onto West Ewing Street. Look for 322 West Ewing, the KC Environmental Lab building is on your right on the Ship Canal.
  5. Park in the KC Parking Lot across the street from the KC Environmental Laboratory or use street parking if available.

For questions about this Web page, please contact Diane McElhany, Environmental Programs Section Manager, King County Environmental Lab.