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Cal Water Office PA12-053
Location: 341 and 345 N. Delaware St. 
Parcel Numbers:  032-204-240 
Applicant:  John Kelterer
RBF Consulting
14725 Alton Pkwy.
Irvine, CA 92618-2027
Cal Water Service Company
341 N. Delaware Street
San Mateo, CA 94401
Description:  The California Water Service Company (Cal Water) is proposing a new two-story office building to replace the existing structures on the site which currently operate and will continue to serve as a customer service office and field operations center for Cal Water located at 341 and 345 N. Delaware Street.  The project site currently has three existing structures on-site totaling approximately 10,165 sq. ft.  These existing structures are currently being used as office space for the California Water Service Company.  The proposed two-story office building is approximately 18,184 sq. ft and the project site is approximately 146,778 sq. ft.  Cal Water operations and the number of employees are not proposed to increase. Hours of operation are 8:00 am to 4:30 pm seven days a week.   During the week the facility averages approximately 40 employees most of whom are out in the field throughout the day. On the weekends approximately 3 employees occupy the facility but are again often out in the field.  One employee works at night for systems monitoring and security. Visitor vehicle parking for Cal Water customers is proposed (22 spaces), and separate secured employee and service vehicle parking (56 spaces) will also be provided.  Areas for equipment and materials storage will continue to be accommodated on-site.  The new office building fronts on N. Delaware Street. Two vehicle access points will be provided on N. Delaware Street (one for customer parking and the other for secured employee parking/service vehicles and yard access). The service yard and employee parking area also would have a secondary access via the Claremont Street. Six long term bicycle parking spaces are provided in the employee break room and six “U” bicycle racks are proposed near the building entrance.  The land use designation for the entire project site is “Utility” and the zoning classification is Multiple Family Dwellings (R3).  A total of eight Heritage Trees are proposed for removal with 52 trees on the site to remain and 36 replacement trees proposed.  To improve existing vehicle circulation near the intersection of Poplar Avenue and N. Delaware Street, the City will coordinate with SamTrans to relocate an existing bus stop (currently located 100 feet to the south of the intersection) on N. Delaware Street approximately 100 feet further to the south on N. Delaware Street. 
The Planning Commission held a public hearing on Tuesday, March 12, 2013 at 7:30 pm in the City Council Chambers at City Hall, 330 West 20th Avenue, San Mateo, CA.  The Planning Commission approved this project with the incorporation of new conditions relating to preventing uplighting/light pollution and to reduce interior lighting in areas not used during evening hours.  The Administrative Report and related attachments are availabe on this webpage:

Environmental Document:

Study Session 6/6/12  A Planning Commission study session was held on June 26, 2012.  The material is available here:
City Contact:  For additional information regarding the project, please contact the project planner, Christy Usher at or (650) 522-7215

San Mateo City Hall – 330 West 20th Avenue, San Mateo, CA 94403

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