COMMUNITY UPDATE: Road closures/detours affecting South Lake Sammamish 

After much consideration of multiple types of traffic control options along NW Sammamish Rd. that is needed for crews to build noise barriers along I-90, the following street closure and detour has been announced. Though this closure/detour is inconvenient and adds congestion for everyone living along NW Sammamish Rd, WSDOT professionals examining all the impact options determined that the following was best option for congestion on a narrow street, preventing blocked driveways and access for residents living along the street, and for overall management of speed, traffic, and safety for all.

Closure/Detour Dates
Mid-July through mid-October. 90 continuous days.

Closure/Detour Hours
Closure will be 24 hours a day and 7 days a week

Closure Location
Eastbound lane of NW Sammamish Rd will be closed for all through-traffic and directed to a westbound detour route. This is a 100% eastbound closure and not a flagged closured.

The westbound lane of NW Sammamish Rd will be open for one-way local access only.

Detour Details
All cars exiting from the South Lake Sammamish community will be required to turn right of the neighborhood heading west on NW Sammamish Rd toward the traffic circle.

Travel to Issaquah businesses can then be accessed via the eastbound I-90 to exit 15 or 17, or via eastbound Newport Way to 17th Ave NW.



Tucked away on the southwest end of Lake Sammamish our neighborhood is one of several smaller neighborhoods located between Lake Sammamish State Park and Timberlake Park. 

South Cove boasts of a private 4-acre park, the Commons,  lined with Willow, Maple and Cherry trees, walking trails, a children’s playground, 2 tennis courts, a beach front with a swim dock and roped swim area, community BBQ's, and plenty of open grass for family play and community social events.

As part of the South Lake Sammamish Association developed in the 1970s and early 1980s, most of South Cove’s 289 homes retain their original design while some have been updated or replaced by larger homes. All in all, the look and feel of this stable and sought-after neighborhood is warm, inviting and family-friendly.

For questions or inquiries about the South Cove community, please email the South Cove HOA Board.