Quest Diagnostics

Lab Testing at Quest Diagnostics - Larkspur Bon Air Road

Quest Diagnostics Patient Service Center in Larkspur, CA 94939.

Order Lab Tests for Collection at This Location

Browse All Tests

Popular tests at this location:

TSH Lipid Panel CBC A1C Testosterone Vitamin D CMP

Address

5 Bon Air Rd Ste 119
Larkspur, CA 94939
Marin County

415-886-6080

Hours

Monday	7:00 AM – 4:30 PM
Tuesday	7:00 AM – 4:30 PM
Wednesday	7:00 AM – 4:30 PM
Thursday	7:00 AM – 4:30 PM
Friday	7:00 AM – 4:30 PM
Saturday	7:30 AM – 12:00 PM
Sunday	Closed

Nearby alternatives

LabCorp Greenbrae
1321 S Elisio Drive, Greenbrae, CA 94904
0.2 mi
Quest Diagnostics - Greenbrae South Eliseo
1000 S Eliseo Dr Ste 100, Greenbrae, CA 94904
0.4 mi
Quest Diagnostics - San Rafael D Street - Employer Drug Testing Not Offered
711 D St Suite 103, San Rafael, CA 94901
1.9 mi
Quest Diagnostics - MIll Valley Miller Avenue - Employer Drug Testing Not Offered
447 Miller Ave, MIll Valley, CA 94941
3.3 mi
Arcpoint Labs Of San Rafael
4340 Redwood Hwy Ste A33, San Rafel, CA 94903
3.6 mi

More lab options around Larkspur

All Larkspur lab locationsCompare draw centers in Larkspur, CA.

Bakersfield, CA San Diego, CA Fresno, CA San Jose, CA Los Angeles, CA Sacramento, CA Riverside, CA Anaheim, CA

About this location

Quest Diagnostics Patient Service Center. 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.