# Building permits at 401 S Jackson St, Seattle, WA 23 permits on record here. The newest, Oct 1, 2025: "Construct interior non-structural partition to enclose portion of existing office space for Security. Within a quarter mile, the city has issued 4 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Oct 1, 2025 | Alteration or repair | "Construct interior non-structural partition to enclose portion of existing office space for Security Operations Center within existing commercial building (Sound Transit Union Station - Garden Level) subject to field inspection (STFI). | $150,000 | [7107408-CN](https://nearbypermits.com/seattle/permit/7107408-CN/) | | May 13, 2025 | Alteration or repair | Construct alterations to replace doors for transit authority tenant [SOUND TRANSIT] at ground level of mixed-use building [UNION STATION CONDOMINIUM] per plan. | $50,000 | [7078584-CN](https://nearbypermits.com/seattle/permit/7078584-CN/) | | May 17, 2022 | Alteration or repair | Construct tenant improvements to interior door at great hall of existing institutional building (Union Station) per plan | $25,000 | [6884713-CN](https://nearbypermits.com/seattle/permit/6884713-CN/) | | Jan 4, 2019 | Alteration or repair | Construct interior alteration for tenant improvement on main floor of existing office space Subject to Field Inspection (STFI) | $15,000 | [6706444-CN](https://nearbypermits.com/seattle/permit/6706444-CN/) | | Feb 8, 2014 | Alteration or repair | Interior alterations to existing southwest exit stairwell (Union Station -Sound Transit) to add key card access to (4) existing stairwell doors per plan. | $24,700 | [6391224-CN](https://nearbypermits.com/seattle/permit/6391224-CN/) | | Jan 11, 2011 | Alteration or repair | Blanket Permit for interior non-structural alterations to Perteet 3rd floor. | Not listed | [6267851-BK](https://nearbypermits.com/seattle/permit/6267851-BK/) | | Nov 18, 2010 | Alteration or repair | Blanket Permit for interior non-structural alterations to the 2nd floor. For WILLIS per plans. | Not listed | [6266901-BK](https://nearbypermits.com/seattle/permit/6266901-BK/) | | Jul 21, 2010 | Alteration or repair | Blanket Permit for interior non-structural alterations. for Kiha on the 3rd floor | Not listed | [6253823-BK](https://nearbypermits.com/seattle/permit/6253823-BK/) | | Apr 1, 2010 | Alteration or repair | Closed as incomplete - expired permit. Work station re-configuration (Amazon) 3rd floor of existing office (Union Station 2) bldg per plan. | $20,000 | [6241729-CN](https://nearbypermits.com/seattle/permit/6241729-CN/) | | Apr 1, 2010 | Alteration or repair | Closed as incomplete - expired permit. Work station re-configuration (Amazon) 5th floor of existing office (Union Station 2) bldg per plan. | $20,000 | [6241715-CN](https://nearbypermits.com/seattle/permit/6241715-CN/) | | Jun 18, 2009 | Alteration or repair | Closed as incomplete - expired permit. Alterations to existing office space (Blue Nile) to enclose space on 9th floor per floor plan and subject to field inspection. | $10,000 | [6219184-CN](https://nearbypermits.com/seattle/permit/6219184-CN/) | | May 26, 2009 | Alteration or repair | Non-structural alterations to add new offices on 3rd floor of existing building per floor plan and subject to field inspection | $15,000 | [6216972-CN](https://nearbypermits.com/seattle/permit/6216972-CN/) | | Jul 23, 2008 | Alteration or repair | Closed as incomplete - expired permit. Construct ramp double door 6' shelving and locking gate on garden (basement)level of existing unheated space of commercial building per plans Subject to Field Inspection (STFI). | $60,000 | [6188769-CN](https://nearbypermits.com/seattle/permit/6188769-CN/) | | Jul 10, 2008 | Alteration or repair | Blanket Permit for interior non-structural alterations to the 4th floor. Watchguard | Not listed | [6186539-BK](https://nearbypermits.com/seattle/permit/6186539-BK/) | | Apr 15, 2008 | Alteration or repair | Blanket Permit for interior non-structural alterations to an existing equipment area on the 4th floor. | Not listed | [6175409-BK](https://nearbypermits.com/seattle/permit/6175409-BK/) | | Oct 22, 2007 | Alteration or repair | Tenant improvements for security office expansion Jackson Street level south end of existing train (Union) Station per plan | $120,000 | [6145490-CN](https://nearbypermits.com/seattle/permit/6145490-CN/) | | Oct 18, 2007 | Alteration or repair | Closed as Incomplete - Expired Permit Tenant improvement for a new wall on the 9th floor in the southeast corner of existing office building (Union Station Building) per floor plan subject to field inspection (STFI). | $10,000 | [6157974-CN](https://nearbypermits.com/seattle/permit/6157974-CN/) | | Oct 15, 2007 | Alteration or repair | Blanket Permit for interior non-structural alterations to the 5th floor. | Not listed | [6154626-BK](https://nearbypermits.com/seattle/permit/6154626-BK/) | | Jul 23, 2007 | Alteration or repair | Blanket Permit for interior non-structural alterations to the 1st floor. Vulcan | Not listed | [6145494-BK](https://nearbypermits.com/seattle/permit/6145494-BK/) | | Jun 26, 2007 | Alteration or repair | Interior non structural alterations to existing tennant space. Move two doors and reverse swing of third subject to field inspection. | $6,000 | [6144538-CN](https://nearbypermits.com/seattle/permit/6144538-CN/) | | Jun 27, 2006 | Other | Blanket Permit for 2nd floor | Not listed | [6099896-BK](https://nearbypermits.com/seattle/permit/6099896-BK/) | | Jun 27, 2006 | Alteration or repair | Blanket Permit for interior non-structural alterations to floor 2 HUBSPAN | Not listed | [6098746-BK](https://nearbypermits.com/seattle/permit/6098746-BK/) | | Nov 2, 2005 | Alteration or repair | Non-structural tenant improvements for accessory exercise room 6th floor of existing office (VULCAN / 505 Union Station) bldg / Subject To Field Inspection (STFI). | $50,000 | [6077754-CN](https://nearbypermits.com/seattle/permit/6077754-CN/) | ## Within ¼ mi since May 1, 2026 4 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 | |---|---|---|---|---|---|---| | Aug 24, 2026 | [222 2nd Av Et S](https://nearbypermits.com/seattle/address/222-2nd-av-et-s/) | 550 ft NW | Alteration or repair | Construct tenant improvements in existing commercial building on level one per plan. | $25,000 | [7154992-CN](https://nearbypermits.com/seattle/permit/7154992-CN/) | | Jun 22, 2026 | [301 2nd Ave S](https://nearbypermits.com/seattle/address/301-2nd-ave-s/) | 950 ft NW | Elevator | Construct elevator modernization to existing Seattle Fire Department Headquarters building per plan | $213,638 | [7103737-CN](https://nearbypermits.com/seattle/permit/7103737-CN/) | | May 26, 2026 | [145 S King St](https://nearbypermits.com/seattle/address/145-s-king-st/) | 980 ft W | Alteration or repair | Construct exterior alterations adjacent to existing commercial building for outdoor seating per plan. | $15,000 | [7140538-CN](https://nearbypermits.com/seattle/permit/7140538-CN/) | ### Farther (1,000 ft to ¼ mi), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Aug 21, 2026 | [419 Occidental Ave S](https://nearbypermits.com/seattle/address/419-occidental-ave-s/) | 0.22 mi W | Alteration or repair | Construct outdoor seating area at commercial building for Death & Co per plan. | $1,000 | [7155840-CN](https://nearbypermits.com/seattle/permit/7155840-CN/) | ## 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 S Jackson St with permits, nearest house number first: - [301 S Jackson St](https://nearbypermits.com/seattle/address/301-s-jackson-st/): newest permit Nov 1, 2024 - [201 S Jackson St](https://nearbypermits.com/seattle/address/201-s-jackson-st/): newest permit Jan 8, 2026 - [159 S Jackson St](https://nearbypermits.com/seattle/address/159-s-jackson-st/): newest permit Nov 14, 2025 - [97 S Jackson St](https://nearbypermits.com/seattle/address/97-s-jackson-st/): newest permit Aug 27, 2026 - [95 S Jackson St](https://nearbypermits.com/seattle/address/95-s-jackson-st/): newest permit Jun 24, 2025 - [1001 S Jackson St](https://nearbypermits.com/seattle/address/1001-s-jackson-st/): newest permit Aug 12, 2026 - [1419 S Jackson St](https://nearbypermits.com/seattle/address/1419-s-jackson-st/): newest permit Jul 24, 2025 - [1711 S Jackson St](https://nearbypermits.com/seattle/address/1711-s-jackson-st/): newest permit Mar 10, 2025 - [1800 S Jackson St](https://nearbypermits.com/seattle/address/1800-s-jackson-st/): newest permit May 5, 2026 - [1801 S Jackson St](https://nearbypermits.com/seattle/address/1801-s-jackson-st/): newest permit Mar 14, 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 01:40 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, 00:18 UTC. Map, all 23 permits at this address and 4 nearby: https://nearbypermits.com/seattle/address/401-s-jackson-st/