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
BUSINESS OFFICE HOURS
Monday through Friday
The Main HQ Campus is under construction and will be ongoing for the coming year. Access and parking is limited. Please use extreme caution when driving or walking through the campus parking lot.
Business Hours: Monday - Friday
Office Hours: 8AM to 4 PM
Development Engineering (DE)
Office Hours: 8AM to 3 PM
Main headquarters campus is under construction
Beginning July 15, 2022 Customer Service and Billing Staff will be in a staff meeting the 3rd Friday of each month from 7:30 AM to 8:30 AM. On the third Friday of the month the office hours and phone hours will be 8:30 AM to 4:00 PM (instead of 8 AM to 4 PM).
Effective August 10, 2022 the DE office is TEMPORARILY CLOSED to visitors and customers except by special appointment, due to construction safety concerns. We anticipate this office closure to only last a few weeks.
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:
Location: (Federal Way)
Administration Building 31527 1st Ave S
Water Operations Building 31623 1st Ave S
Emergencies and Non-Emergencies: * Call 253-941-1516 to report a water or sewer emergencies after business hours.