Clinical Research Sites in Marin County, CA

We list 214 clinical research sites serving Marin County, CA: 11 based there and 203 serving it from nearby. 10 of the top 10 match an active federal or state record, checked on 2026-11-04.

The top-ranked clinical research sites serving Marin County, CA are Buck Institute for Research on Aging, California Orthopedics & Spine, Kaiser Permanente-San Rafael, Kaiser San Rafael-Gallinas and Marin Cancer Care. The full ranked list, with the official records each provider matched, is on this page.

10 of the top 10 match an active official record: Buck Institute for Research on Aging (ClinicalTrials.gov), California Orthopedics & Spine (ClinicalTrials.gov), Kaiser Permanente-San Rafael (ClinicalTrials.gov), Kaiser San Rafael-Gallinas (ClinicalTrials.gov) and Marin Cancer Care (ClinicalTrials.gov), and 5 more on this page. Each badge links to the official record it matched.

By our published methodology: verified registrations, documented capabilities, years registered and responsiveness. Sponsored placements are shown separately and never affect rank.

"Verified" means we matched the provider to an active official record on the date shown; each badge links to that record. The absence of a badge only means we have not verified that item.

Common checks are enrollment history in the indication, experienced coordinators, IRB arrangements, start-up time and data quality. ClinicalTrials.gov shows which studies a site has been listed on.