# Alteration or repair permit 7020887-RR at 100 23rd Ave S, Seattle

Seattle Department of Construction and Inspections permit 7020887-RR: issued Apr 19, 2024 for alteration or repair work at 100 23rd Ave S. Demo existing coping metal metal roof panel and ½" EPS insulation. Existing 5 ½"Polyiso will remain in place Supply and install ½" High Density Insulation over existing rigid Polyiso Supply and Install tapered insulation at 4 drain locations to improve drainage/slope Supply and Install DuroLast 50mill DuroTuff PVC membrane to entire field area andinterior of parapet (Duro-Bond attachment) Supply and Install pre-made pipe flashings T-joint covers corner flashing clad eavemetal t.

- Permit number: 7020887-RR
- Issued: Apr 19, 2024
- Type of work: Alteration or repair (city: Institutional)
- Status: Finished (city: Completed)
- Reported cost: $350,600
- ZIP code: 98144
- All permits at this address: https://nearbypermits.com/seattle/address/100-23rd-ave-s/

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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 2026-10-07 15:40 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 100 23rd Ave S: https://nearbypermits.com/seattle/address/100-23rd-ave-s/