Quest Diagnostics

Lab Testing at Fastest Labs Of Richmond

Quest partner location in Richmond, CA 94803.

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 510-514-0090 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

4261 Hilltop Dr Ste A
Richmond, CA 94803
Contra Costa County

510-514-0090

Hours

Monday	9:00 AM – 4:00 PM
Tuesday	9:00 AM – 4:00 PM
Wednesday	9:00 AM – 4:00 PM
Thursday	9:00 AM – 4:00 PM
Friday	9:00 AM – 4:00 PM
Saturday	Closed
Sunday	Closed

Nearby alternatives

LabCorp Pinole
2160 Appian Way Ste 205, Pinole, CA 94564
1.4 mi
LabCorp San Pablo
13691 San Pablo Ave, San Pablo, CA 94806
1.9 mi
Quest Diagnostics - San Pablo Vale Rd - Employer Drug Testing Not Offered
2101 Vale Rd Ste 102, San Pablo, CA 94806
2.1 mi
Quest Diagnostics - Hercules Alfred Nobel
500 Alfred Nobel Dr Suite 115, Hercules, CA 94547
3.5 mi
LabCorp Albany
1228 Solano Ave, Albany, CA 94706
6 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.