LabCorp
Lab Testing at LabCorp Castro Valley
LabCorp Patient Service Center in Castro Valley, CA 94546.
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Address
20211 Patio Dr Suite 200Castro Valley, CA 94546
Alameda County
Hours
| Monday | 7:00 AM – 4:00 PM |
| Tuesday | 7:00 AM – 4:00 PM |
| Wednesday | 7:00 AM – 4:00 PM |
| Thursday | 7:00 AM – 4:00 PM |
| Friday | 7:00 AM – 4:00 PM |
| Saturday | Closed |
| Sunday | Closed |
Nearby alternatives
- Quest Diagnostics - Castro Valley Lake Chabot - Employer Drug Testing Not Offered20400 Lake Chabot Rd Ste 101, Castro Valley, CA 945460.6 mi
- Checkpoint Otc24326 Mission Blvd Ste 3, Hayward, CA 945442.3 mi
- Quest Diagnostics - Hayward Southland Mall - Employer Drug Testing Not Offered1 Southland Mall Dr Suite 718, Hayward, CA 945453.6 mi
- LabCorp San Leandro13847 E 14th St Ste 100, San Leandro, CA 945783.8 mi
- Quest Diagnostics - San Leandro East 14th - Employer Drug Testing Not Offered13847 E 14th St Ste 111, San Leandro, CA 945783.8 mi
About this location
LabCorp Patient Service Center. LabCorp is one of the largest clinical laboratory networks in the United States, offering diagnostic testing services for patients, physicians, hospitals, and employers.
Listing last updated 2026-05-19.