# Roofing permit 6839265-RR at 1424 4th Ave, Seattle

Seattle Department of Construction and Inspections permit 6839265-RR: issued May 18, 2021 for roofing work at 1424 4th Ave. Tear off of existing roof on 10th floor 12tha nd 5th floor and Install 20psi polyisocyanurate tapered insulation system adhered at a minimum rate of 12" o.c ribbon spacing or as required by Derbigum installation. Install 1/4" densdeck adhered to the tapered insulation based on debigum technical installation requirements. Install one layer of Derbi-base Ulta SA as a base layer. Install one layer of Derbigum Color GP FE granulated cap torch applied.

- Permit number: 6839265-RR
- Issued: May 18, 2021
- Type of work: Roofing (city: Commercial)
- Status: Finished (city: Completed)
- Reported cost: $120,000
- ZIP code: 98101
- All permits at this address: https://nearbypermits.com/seattle/address/1424-4th-ave/

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Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-06 10:49 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 1424 4th Ave: https://nearbypermits.com/seattle/address/1424-4th-ave/