This project will replace failed waterproofing at an existing 4th floor roof area
Roofing at 1501 4th Ave, Seattle
Seattle Department of Construction and Inspections permit 7136334-RR: issued Apr 1, 2026 for roofing work at 1501 4th Ave. 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.
- Permit number
- 7136334-RR
- Issued
- Type of work
- Roofing
- Status
- Issued
- Reported cost
- $1,950,000
- ZIP code
- 98101
- City's category
- Commercial
- City's status
- Issued
- Source
- Seattle Department of Construction and Inspections permit data (this record)
Type of work and status are our own standard labels, so permits compare across cities. The city's wording is in the "City's category" and "City's status" rows. We show costs under $100 as not listed, because filers often enter $0 or $1 when the city doesn't require a cost.
All permits at 1501 4th Ave, and what's permitted nearby
Seattle Department of Construction and Inspections updated its data Oct 5, 2026. We checked it Oct 5, 19:14 UTC. See the city's official records.
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