# Building permits at 313 18th Ave, Seattle, WA One permit on record here. The newest, Dec 14, 2025: Construct interior alterations only at upper level of existing one family dwelling Subject to Field. Within a quarter mile, the city has issued 5 more permits since May 1. One is for a new building, 0.19 mi away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Dec 14, 2025 | Alteration or repair | Construct interior alterations only at upper level of existing one family dwelling Subject to Field Inspection (STFI). | $62,052 | [7120696-CN](https://nearbypermits.com/seattle/permit/7120696-CN/) | ## Within ¼ mi since May 1, 2026 5 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 24, 2026 | [1521 E Spruce St](https://nearbypermits.com/seattle/address/1521-e-spruce-st/) | 850 ft SW | Alteration or repair | New Parking Space at 1521 E Spruce St.Needed for disabled tenant - please expedite | $20,000 | [7162510-CN](https://nearbypermits.com/seattle/permit/7162510-CN/) | ### Farther (1,000 ft to ¼ mi), 4 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 10, 2026 | [536 19th Ave](https://nearbypermits.com/seattle/address/536-19th-ave/) | 0.20 mi NE | Addition | Construct deck addition for one family dwelling subject to field inspection STFI. | $7,000 | [7161728-CN](https://nearbypermits.com/seattle/permit/7161728-CN/) | | Sep 7, 2026 | [155 21st Ave](https://nearbypermits.com/seattle/address/155-21st-ave/) | 0.23 mi SE | Roofing | Project consists of recovering the existing roof with a new 115mil Fleeceback TPO membrane while leaving the existing roof membrane in place. Work includes preparation of the existing membrane installation of the new 115mil fleeceback membrane in adhesive directly over existing membrane and integrat | $89,038 | [7161506-RR](https://nearbypermits.com/seattle/permit/7161506-RR/) | | Aug 24, 2026 | [118 16th Ave](https://nearbypermits.com/seattle/address/118-16th-ave/) | 0.19 mi SW | Alteration or repair | Alterations to a one-family dwelling subject to field inspection. | $3,353 | [7154695-CN](https://nearbypermits.com/seattle/permit/7154695-CN/) | | Jun 16, 2026 | [506 20th Ave](https://nearbypermits.com/seattle/address/506-20th-ave/) | 0.19 mi NE | New building | Establish use as two attached dwelling units per Land Use Code. Construct new two family dwelling per plan. | $512,878 | [7104413-CN](https://nearbypermits.com/seattle/permit/7104413-CN/) | ## More on this street Other addresses on 18th Ave with permits, nearest house number first: - [161 18th Ave](https://nearbypermits.com/seattle/address/161-18th-ave/): newest permit Mar 5, 2025 - [800 18th Ave](https://nearbypermits.com/seattle/address/800-18th-ave/): newest permit Jun 23, 2026 - [820 18th Ave](https://nearbypermits.com/seattle/address/820-18th-ave/): newest permit Jun 4, 2025 - [902 18th Ave](https://nearbypermits.com/seattle/address/902-18th-ave/): newest permit Apr 17, 2026 - [1803 18th Ave](https://nearbypermits.com/seattle/address/1803-18th-ave/): newest permit Sep 8, 2026 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-06 20:17 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, the one permit at this address and 5 nearby: https://nearbypermits.com/seattle/address/313-18th-ave/