Quest Diagnostics

Lab Testing at Fastest Labs Of South Seattle

Quest partner location in Seattle, WA 98134.

Partner Location

This location is part of Quest's partner network. Services and availability may differ from a standard Quest Patient Service Center. Please call 206-566-5803 before visiting to confirm they accept your lab order.

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Note: tests available at this location depend on its services. Confirm by calling before visiting.

Address

3232 1st Ave S
Seattle, WA 98134
King County

206-566-5803

Hours

Monday	9:00 AM – 5:00 PM
Tuesday	9:00 AM – 5:00 PM
Wednesday	9:00 AM – 5:00 PM
Thursday	9:00 AM – 5:00 PM
Friday	9:00 AM – 5:00 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

Quest Diagnostics - Seattle Madison - Employer Drug Testing Not Offered
1101 Madison St Suite 1210, Seattle, WA 98104
2.4 mi
LabCorp Seattle
550 17th Ave Ste 200, Seattle, WA 98122
2.5 mi
LabCorp Seattle
1229 Madison St Ste 610, Seattle, WA 98104
2.5 mi
LabCorp Seattle
3601 Fremont Ave N Suite 412, Seattle, WA 98103
5.3 mi
Quest Diagnostics - Inside Safeway Seattle
1423 Nw Market St, Seattle, WA 98107
6.7 mi

About this location

Quest partner location. Quest Diagnostics operates one of the largest networks of clinical laboratories in the United States, offering a wide range of diagnostic tests for patients, physicians, and employers.

Listing last updated 2026-04-25.