The San Mateo County web site is currently being upgraded for an improved user experience. The County Home page and a few departments are implementing the new "look and feel" along with an improved search and other new features. Please be aware that a number of departments will continue to retain the former user interface during this transition period.

Laboratory

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G E T T I N G    Y O U R    R E S U L T S   Laboratory is open from 8am to 5pm Monday through Friday. Call the Laboratory at (650) 573-2688 for more information.