Development Engineering

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The Development Engineering (DE) department of Lakehaven Water and Sewer District manages several areas including Certificates of Availability, new water & sewer service connections, new development projects, & information regarding existing water & sewer system facilities. Below are links to current fees & charges, as well as our department's FAQs by PDF. Click on the links to the left for more specific information and documents & forms.

 Fees, charges & deposits schedules

  1. Development Engineering


    Physical Address

    31623 1st Avenue S
    Federal Way, WA 98003

    Mailing Address
    P.O. Box 4249
    Federal Way, WA 98063

  1. OFFICE HOURS

    (Updated 3/3/2022)

    Customer Service

    Effective  March 7, 2022 office hours are  Monday through Friday from 8  a.m. to 4 p.m.

    Construction activity will be ongoing for the coming year.  Access to the facilities and parking is limited. Please use caution when visiting Lakehavens'  Administration Building and Water Operations Building.

    Development Engineering (DE)

    The Development Engineering department is available for in-person visits by appointment only between 9:00 AM and 3:00 PM (Mon-Fri) through Friday 3/18/2022.  Beginning on Monday, 3/21/2022 office hours will be 8:00 AM to 3:00 Pm and open to the public with no appointment necessary.

    Parking is limited during construction.  The Water Shop Building (Development Engineering) will have two designated customer parking spots in front of the customer service entrance to the building.

    Contact either Customer Service and Development Engineering  outside office hours or email as follows:


    Customer ServiceDevelopment Engineering
    Location:
    (Federal Way)
    Administration Building
    31527 1st Ave S
    Water Operations Building
    31623 1st Ave S
    Phone:253-941-1516 *253-945-1581
    Email:EmailEmail


    Emergencies and Non-Emergencies:  
    * Call 253-941-1516 to report a water or sewer emergencies after business hours.

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    • Business closures
    • Lakehaven Building Addresses
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