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// Permit #7136334-RR

Roofing Permit — 1501 4TH AVE

Seattle, WA 98101Tuesday, March 31, 2026Seattle Open Data
Permit Type

Roofing

Estimated Value

$1,950,000

Property Owner

Contact info hidden

County

King County

Work Description

This project will replace failed waterproofing at an existing 4th floor roof area. The existing low-slope roof assembly is split-slab construction consisting of a structural concrete substrate a waterproofing membrane applied directly to the structural slab approximately 2" of rigid insulation above the waterproofing membrane and a 2" concrete topping slab that serves as the finished roof surface. The existing waterproofing system is original to the building and is experiencing failures th

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