San Mateo County Admin

851 Cherry Avenue
Suite 32
San Bruno, CA 94066

Phone: CALL (650) 871-9454
Fax: (650) 871-9462

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  • Greg DeMartini
    Greg DeMartini

    County Manager

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  • Jill Penrod
    Jill Penrod

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  • Magan Biggs
    Magan Biggs

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  • Maureen Flynn
    Maureen Flynn

    Administrative Assistant

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  • Maia Schneider
    Maia Schneider

    Escrow Officer/Floater

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Greg began his career in the title industry as a messenger in downtown San Francisco. Since 1990, Greg has served in various capacities in the Title Industry including Escrow Assistant, Sales Representative, Sales Manager and County Manager of San Francisco. In 1991, Greg earned his Bachelor of Science degree in Business Administration from San Francisco State University with an emphasis in Advertising and Marketing.