# Building permits at 209 12th Ave S, Seattle, WA 1001 S Jackson St: demolition permitted Jul 23, a new building Aug 12. Four permits on record here. The newest, Aug 11: Construct tenant improvements for multi-family (Mason & Main Apartments) at entry lobbies on the northeast. Within a quarter mile, the city has issued 3 more permits since May 1. One is for a new building, 870 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Aug 11, 2026 | Alteration or repair | Construct tenant improvements for multi-family (Mason & Main Apartments) at entry lobbies on the northeast corner of 1st floor and the southwest area of 2nd Floor to existing mixed-use building per plan. | $10,000 | [7138618-CN](https://nearbypermits.com/seattle/permit/7138618-CN/) | | Jul 13, 2026 | Alteration or repair | Interior repairs for multifamily building subject to field inspection (STFI) | $8,000 | [7152137-CN](https://nearbypermits.com/seattle/permit/7152137-CN/) | | Oct 11, 2019 | New building | Shoring and excavation for future construction of a mixed use apartment building with ground-level commercial and below-grade parking per plan. | $4,200,000 | [6626969-CN](https://nearbypermits.com/seattle/permit/6626969-CN/) | | Sep 26, 2019 | New building | Phased project: Construct mixed use apartment building with ground-level commercial and below-grade parking occupy per plan. (Yesler Terrace) | $54,998,357 | [6678792-PH](https://nearbypermits.com/seattle/permit/6678792-PH/) | ## Within ¼ mi since May 1, 2026 3 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 3 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 1, 2026 | [1020 S Main St](https://nearbypermits.com/seattle/address/1020-s-main-st/) | 250 ft W | Alteration or repair | Construct interior non-structural alterations to existing multifamily building at lobby per plan. | $10,000 | [7138609-CN](https://nearbypermits.com/seattle/permit/7138609-CN/) | | Aug 12, 2026 | [1001 S Jackson St](https://nearbypermits.com/seattle/address/1001-s-jackson-st/) | 870 ft SW | New building | Establish multifamily use (apartment) with ground-level commercial uses per land use code. Construct new mixed use building occupy per plan. | $16,017,729 | [6982286-CN](https://nearbypermits.com/seattle/permit/6982286-CN/) | | Jul 23, 2026 | [1001 S Jackson St](https://nearbypermits.com/seattle/address/1001-s-jackson-st/) | 870 ft SW | Demolition | Demolish existing warehouse structure per plan. | $16,628,856 | [6982287-DM](https://nearbypermits.com/seattle/permit/6982287-DM/) | ## Zoning requests nearby There are no zoning requests on file within ¼ mi. Seattle's feed was last read Oct 9. ## More on this street Other addresses on 12th Ave S with permits, nearest house number first: - [223 12th Ave S](https://nearbypermits.com/seattle/address/223-12th-ave-s/): newest permit Oct 15, 2024 - [303 12th Ave S](https://nearbypermits.com/seattle/address/303-12th-ave-s/): newest permit Mar 11, 2025 - [606 12th Ave S](https://nearbypermits.com/seattle/address/606-12th-ave-s/): newest permit Dec 5, 2025 - [1007 12th Ave S](https://nearbypermits.com/seattle/address/1007-12th-ave-s/): newest permit Dec 30, 2025 - [1200 12th Ave S](https://nearbypermits.com/seattle/address/1200-12th-ave-s/): newest permit May 9, 2025 - [1701 12th Ave S](https://nearbypermits.com/seattle/address/1701-12th-ave-s/): newest permit Nov 1, 2024 - [1921 12th Ave S](https://nearbypermits.com/seattle/address/1921-12th-ave-s/): newest permit Jan 7, 2026 - [4317 12th Ave S](https://nearbypermits.com/seattle/address/4317-12th-ave-s/): newest permit Apr 25, 2025 - [4559 12th Ave S](https://nearbypermits.com/seattle/address/4559-12th-ave-s/): newest permit Apr 1, 2025 - [4902 12th Ave S](https://nearbypermits.com/seattle/address/4902-12th-ave-s/): newest permit Sep 5, 2025 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-09 16:29 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 9, 13:18 UTC. Map, all 4 permits at this address and 3 nearby: https://nearbypermits.com/seattle/address/209-12th-ave-s/