# New building permit 7122550-CN at 4054 48th Ave SW, Seattle

Seattle Department of Construction and Inspections permit 7122550-CN: issued Sep 3, 2026 for new building work at 4054 48th Ave SW. Construct new west two family dwelling (SFR1 + AADU) per plan. (Establish use as 3 single family residences with 1 attached dwelling unit per land use code. Construct new one and two family dwellings per plan. Review and processing of 3 records under 7122550-CN.).

- Permit number: 7122550-CN
- Issued: Sep 3, 2026
- Type of work: New building (city: New, Single Family/Duplex)
- Status: Issued (city: Issued)
- Reported cost: $580,959
- ZIP code: 98116
- All permits at this address: https://nearbypermits.com/seattle/address/4054-48th-ave-sw/

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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 2026-10-08 20:12 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Every permit at 4054 48th Ave SW: https://nearbypermits.com/seattle/address/4054-48th-ave-sw/