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.

COVID-19 CONDITIONS - UPDATE (9/1/2021)

Lakehaven's offices are closed to the public until further notice, except by appointment.

For assistance: Email or call 253-945-1580

 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


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