Many services can be accessed online rather than in person. In person services currently require advance appointments.
Carefully review Menlo Park Municipal Water's water connection guidelines(PDF, 69KB) and have ready the electronic copy of your plans stamped and approved by the Menlo Park Fire Protection District.
Online water connection application
Make the check payable to "City of Menlo Park" and mail the payment and copy of the confirmation email to
City of Menlo Park
701 Laurel St.
Menlo Park, CA 94025