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Quest Diagnostics

Lab Testing at Comp - Riverside

Quest partner location in Riverside, CA 92506.

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 951-222-2206 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

4300 Central Ave
Riverside, CA 92506
Riverside County
951-222-2206

Hours

Monday8:00 AM – 7:00 PM
Tuesday8:00 AM – 7:00 PM
Wednesday8:00 AM – 7:00 PM
Thursday8:00 AM – 7:00 PM
Friday8:00 AM – 7:00 PM
Saturday8:00 AM – 7:00 PM
Sunday8:00 AM – 7:00 PM

Nearby alternatives

More lab options around Riverside

All Riverside lab locationsCompare draw centers in Riverside, CA.LabCorp Riverside10992 Magnolia Ave, Riverside, CA 92505LabCorp Riverside6600 Magnolia Ave, Riverside, CA 92506LabCorp Riverside8044 Limonite Ave, Riverside, CA 92509LabCorp Riverside6485 Day St Unit 102, Riverside, CA 92507LabCorp Riverside6860 Brockton Ave Ste 7, Riverside, CA 92506LabCorp Riverside8917 Trautwein Rd, Riverside, CA 92508LabCorp Riverside1745 University Ave, Riverside, CA 92507Quest Diagnostics - Riverside 4646 Brockton4646 Brockton Ave Ste 102, Riverside, CA 92506
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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.