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.
Mailing Address P.O. Box 4249 Federal Way, WA98063
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)
TheDevelopment 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: