Sound Insulation Places of Worship
Authorization
Item No.
8f_supp
Date of Meeting April 14, 2026
Purpose:
• As part of the Port of Seattle’s (Port) long-term commitment to communities
surrounding the airport, the Port offers sound insulation for eligible properties within
the current Federal Aviation Administration (FAA) approved noise remedy boundary.
• Commission adopted Motion 2020-04 to accelerate and complete by the end of
2026.
Scope Items:
• Sound Transmission Class (STC) rated windows
• STC rated solid core doors
• Storm Doors
• Positive Air Ventilation
• Ancillary work necessary to reduce noise and/or meet code
Sound Insulation Purpose/Scope
2
• Commission adopted Motion 2020-04 to accelerate and complete by
the end of 2026
• Work is on-going, with the following completed/in progress
since the adoption to be completed by year end
– Apartments: 10 properties with 327-residential units
– Condominiums: 1 property with 27- residential units
– Single-Family Homes: 37 residential home
– Places of Worship: 3 properties
• This represents all properties that have agreed to participate
Program Status Update
3
• Authorizes construction of 1
eligible place of worship
property
– Property previously declined
to participate in the program
in 2023
• Request $2.96M
authorization
Places of Worship Authorization
4
Places of Worship Milestones
5
• Complete Design: Q4 - 2026
• Construction Advertisement: Q1 - 2027
• Commence Construction: Q3 2027
Sound Insulation Places of Worship Update
6
Places of Worship Program
• 3 properties in active construction
– Substantial completion Q4 2026
• 1 additional property ready for design (pending authorization)
– Major works advertisement Q1 2027
Questions?
7
