# Building permits at 3922 S Sullivan St, Seattle, WA New buildings permitted at five addresses within a quarter mile since May 1, the largest $661,548. One permit on record here. The newest, Mar 25: Allow new attached accessory dwelling unit to existing single family use per land use code. Within a quarter mile, the city has issued 5 more permits since May 1. The nearest permit for a new building is 530 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Mar 25, 2026 | Addition | Allow new attached accessory dwelling unit to existing single family use per land use code. Construct addition and substantial alterations for a two family dwelling per plan. | $74,217 | [7072045-CN](https://nearbypermits.com/seattle/permit/7072045-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 | |---|---|---|---|---|---|---| | Jul 22, 2026 | [3815 S Sullivan St](https://nearbypermits.com/seattle/address/3815-s-sullivan-st/) | 530 ft SW | New building | 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. | $202,684 | [7100311-CN](https://nearbypermits.com/seattle/permit/7100311-CN/) | ### Farther (1,000 ft to ¼ mi), 4 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jun 9, 2026 | [8630 37th Ave S](https://nearbypermits.com/seattle/address/8630-37th-ave-s/) | 0.20 mi SW | New building | Construct east one family dwelling per plan. (Establish use as single family residence with attached and detached accessory dwelling units per land use code. Construct new one and two family dwellings per plan. Review and processing for two records under 6961546-CN) | $190,649 | [7022507-CN](https://nearbypermits.com/seattle/permit/7022507-CN/) | | Jun 9, 2026 | [8632 37th Ave S](https://nearbypermits.com/seattle/address/8632-37th-ave-s/) | 0.20 mi SW | New building | Construct west two family dwelling per plan. (Establish use as single family residence with attached and detached accessory dwelling units per land use code. Construct new one and two family dwellings per plan. Review and processing for two records under 6961546-CN) | $661,548 | [6961546-CN](https://nearbypermits.com/seattle/permit/6961546-CN/) | | Jun 7, 2026 | [8622 37th Ave S](https://nearbypermits.com/seattle/address/8622-37th-ave-s/) | 0.19 mi SW | New building | Construct new one family dwelling per plan. (Establish use as single family residence with attached and detached accessory dwelling units per land use code. Construct new one and two family dwellings per plan. Review and processing for two records under 6955220-CN) | $180,031 | [6988159-CN](https://nearbypermits.com/seattle/permit/6988159-CN/) | | Jun 7, 2026 | [8624 37th Ave S](https://nearbypermits.com/seattle/address/8624-37th-ave-s/) | 0.20 mi SW | New building | Construct new two family dwelling per plan. (Establish use as single family residence with attached and detached accessory dwelling units per land use code. Construct new one and two family dwellings per plan. Review and processing for two records under 6955220-CN) | $647,478 | [6955220-CN](https://nearbypermits.com/seattle/permit/6955220-CN/) | ## Zoning requests nearby There are no zoning requests on file within ¼ mi. Seattle's feed was last read Oct 10. ## More on this street Other addresses on S Sullivan St with permits, nearest house number first: - [3815 S Sullivan St](https://nearbypermits.com/seattle/address/3815-s-sullivan-st/): newest permit Jul 22, 2026 - [1222 S Sullivan St](https://nearbypermits.com/seattle/address/1222-s-sullivan-st/): newest permit Jun 10, 2025 - [1008 S Sullivan St](https://nearbypermits.com/seattle/address/1008-s-sullivan-st/): newest permit Jan 2, 2026 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-10 21:55 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Zoning requests come from the Seattle land use permits (https://cos-data.seattle.gov/d/ht3q-kdvx), City of Seattle. We read it Oct 10, 21:47 UTC. Map, the one permit at this address and 5 nearby: https://nearbypermits.com/seattle/address/3922-s-sullivan-st/