Map & Directions

diaDexus, Inc.
343 Oyster Point Boulevard
South San Francisco, CA 94080-1913

Telephone: 650-246-6400
Fax: 650-246-6499

For driving directions from your location, please click here.

Directions to diaDexus

From San Francisco – Highway 101 South

• Take 101 South and turn off at the Oyster Point Blvd. East exit (high rise ramp)
• Continue on Oyster Point Blvd PAST the third stoplight, which is Eccles Ave.
• About 200 feet past the Eccles Ave. stoplight, turn left into the driveway that reads Alexandria Technology Park
• Follow the driveway to the bottom of the hill (approximately ¼ mile) - diaDexus is at Bldg. #343 - you will see the diaDexus logo on the top corner of the white building.

From Peninsula and South Bay – Highway 101 North

• Take 101 north towards San Francisco
• Exit Oyster Point Blvd.
• Stay in the middle lane as you come to the first stoplight, which is Dubuque.
• Make a left turn onto Dubuque, and get into the right lane
• At the next light, turn right onto Oyster Point Blvd.
• Continue on Oyster Point Blvd PAST the third stoplight, which is Eccles Ave.
• About 200 feet past the Eccles Ave. stoplight, turn left into the driveway that reads Alexandria Technology Park
• Follow the driveway to the bottom of the hill (approximately ¼ mile) - diaDexus is at Bldg. #343 - you will see the diaDexus logo on the top corner of the white building

diaDexus is located approximately 5 miles north of San Francisco International Airport, and approximately 37 miles north of San Jose International Airport

From the East Bay
From the Bay Bridge (Highway 80) – approx 10 miles

• Exit South towards San Francisco - 101 South
• Follow directions above from Highway 101 South

From San Mateo Bridge (Highway 92) – approx 10 miles

• Take Highway 92 West across the San Mateo Bridge
• Take 101 North towards San Francisco
• Follow directions above from Highway 101 North