# New building permit 7100311-CN at 3815 S Sullivan St, Seattle

Seattle Department of Construction and Inspections permit 7100311-CN: issued Jul 22, 2026 for new building work at 3815 S Sullivan St. Allow new detached accessory dwelling unit to existing single family use per land use code. Construct new one-family dwelling per plan. Remove existing accessory structure.

- Permit number: 7100311-CN
- Issued: Jul 22, 2026
- Type of work: New building (city: Addition/Alteration, Single Family/Duplex)
- Status: Issued (city: Issued)
- Reported cost: $202,684
- ZIP code: 98118
- All permits at this address: https://nearbypermits.com/seattle/address/3815-s-sullivan-st/

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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 2026-10-09 23:54 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 3815 S Sullivan St: https://nearbypermits.com/seattle/address/3815-s-sullivan-st/