Phone Directory

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Administrative Offices Phone Fax
PUBLIC WORKS AGENCY
399 Elmhurst Street
Hayward 94544
(510) 670-5480 (510) 670-5541
Director and County Engineer
Daniel Woldesenbet, Ph.D., P.E.
(510) 670-5455 (510) 670-5541
Administrative Secretary
Leslie Robertson
(510) 670-5455 (510) 670-5541
Office of Policy and Program Development
Nanci Erven-Collins
(510) 670-6477 (510) 670-5541
ADA Coordinator
James Chu, Supervising Civil Engineer
(510) 670-5566 (510) 782-1939

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Construction and Development Services Phone Fax
Deputy Director
Bill Lepere
(510) 670-5431 (510) 670-5269
Building Inspection
Allen Lang, Building Official
(510) 670-5440 (510) 293-0960
Construction
David Lau, Principal Civil Engineer
(510) 670-5513 (510) 732-6173
Contract Administration
Julie Ackerman
(510) 670-5436 (510) 732-6173
Contract Compliance
Roel Villacarlos
(510) 670-5529 (510) 670-5269
County Service Area
Aarti Kumar
(510) 670-6615 (510) 670-5269
Encroachment, Grading, Watercourse Permits (510) 670-5868 (510) 670-5787
Land Development (510) 670-6601 (510) 670-5269

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Engineering Phone Fax
General Information (510) 670-5480 (510) 670-5247
Engineering and Transportation Program
Art Carrera, Principal Civil Engineer
(510) 670-5581 (510) 670-5247
Environmental and Clean Water Program
Kwablah Attiogbe
(510) 670-5772 (510) 782-1939
Flood Control Design
Moses Tsang
(510) 670-6549 (510) 782-1939
Flood Control Program
Hank Ackerman, Principal Civil Engineer
(510) 670-5553 (510) 670-5247
Maps and Files Section
(510) 670-5480 (510) 782-1939
Right of Way Services
Beth Perrill
(510) 670-5590 (510) 670-5247
County Surveyor
Michael Rubner
(510) 670-5495 (510) 782-1939
Traffic Engineering
Art Carrera, Principal Civil Engineer
(510) 670-5581 (510) 670-5247
Watershed Planning
Rohin Saleh
(510) 670-5487 (510) 670-5247

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Maintenance and Operations Phone Fax
General Information (510) 670-5500 (510) 670-5251
Deputy Director
John Medlock, Jr.
(510) 670-5500 (510) 670-5251
Bridges Office
3024 East 7th St., Oakland
(510) 535-0475 (510) 535-0477
Corporation Yard
951 Turner Court, Hayward
(510) 670-5500 (510) 670-5251
Fleet Operations
(925) 803-7006 (925) 829-8167
Heavy Equipment Repair Building (925) 803-7000 (925) 829-8167
Project Management and Inspection
Thomas Hinderlie
(510) 670-5619 (510) 670-5251
Santa Rita Operation Building (925) 803-7007 (925) 803-7014
Estuary Bridges
Bay Farm Island Bridge (510) 522-2969 (510) 535-0477
High Street Bridge (510) 533-1126 (510) 535-0477
Miller-Sweeney Bridge (510) 533-7858 (510) 535-0477
Park Street Bridge (510) 522-7282 (510) 535-0477

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Management Services Phone Fax
Management Services Administrator
Keith Whitaker
(510) 670-5461 (510) 670-5541
Facilities and Administrative Services
Lisa Maldonado
(510) 670-5339 (510) 670-5541
Finance Services
Jan Bass
(510) 670-5472 (510) 670-5541
Human Resources
Denise Fetty
(510) 670-5414 (510) 670-5541
Information Technology
Tyrone Thomas
(510) 670-5449 (510) 670-5505

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