# Building permits at 2901 3rd Ave, Seattle, WA The biggest project within a quarter mile since May 1: a $15M alteration or repair at 370 Thomas St, permitted Jun 29. 24 permits on record here. The newest, Dec 2, 2025: Construct blanket permit tenant improvements to Department of Transportation - Ferries on floors: 1 4 and 5. Within a quarter mile, the city has issued 10 more permits since May 1. One is a new building, 880 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Dec 2, 2025 | Alteration or repair | Construct blanket permit tenant improvements to Department of Transportation - Ferries on floors: 1 4 and 5 of existing commercial building per plan. | $373,438 | [7107783-BK](https://nearbypermits.com/seattle/permit/7107783-BK/) | | Dec 20, 2021 | Alteration or repair | Blanket tenant improvements to office space for Avant Physical Therapy on the 5th floor per plans. | $236,548 | [6865783-BK](https://nearbypermits.com/seattle/permit/6865783-BK/) | | Sep 1, 2021 | Fence, wall or deck | Construct tenant improvements for office space at level 6 of existing commercial structure per plan | $124,881 | [6828425-CN](https://nearbypermits.com/seattle/permit/6828425-CN/) | | Jun 4, 2021 | Alteration or repair | Blanket permit tenant improvements to office space for the Space Needle on the 6th floor per plans. | $118,885 | [6829580-BK](https://nearbypermits.com/seattle/permit/6829580-BK/) | | Dec 7, 2020 | Alteration or repair | Blanket permit tenant improvements to office space for Cisco on the 1st & 5th floors per plans. | $250,000 | [6808252-BK](https://nearbypermits.com/seattle/permit/6808252-BK/) | | Jan 2, 2020 | Alteration or repair | Blanket permit tenant improvements to office space for Crisis Connection on the 1st floor per plans. | $206,780 | [6761232-BK](https://nearbypermits.com/seattle/permit/6761232-BK/) | | Sep 23, 2019 | Roofing | Construct tenant improvements to existing commercial office building at the 6th floor and roof levels occupy per plan. Mechanical is included. | $2,500,000 | [6699933-CN](https://nearbypermits.com/seattle/permit/6699933-CN/) | | Jul 16, 2019 | Alteration or repair | Blanket permit tenant improvements to office space for Cisco on the 1st & 6th floors per plans. | $1,300,000 | [6718324-BK](https://nearbypermits.com/seattle/permit/6718324-BK/) | | Apr 27, 2018 | Alteration or repair | Blanket Permit for interior non-structural alterations for SAGE BIONETWORKS per plan. | Not listed | [6643977-BK](https://nearbypermits.com/seattle/permit/6643977-BK/) | | Jul 12, 2017 | Alteration or repair | Interior alterations to first floor of existing office building subject to field inspection (STFI) | $10,000 | [6607358-CN](https://nearbypermits.com/seattle/permit/6607358-CN/) | | Jun 6, 2016 | Alteration or repair | Blanket Permit for interior non-structural alterations. Tenant improvement of the 3rd floor for Code Fellows per plan. | Not listed | [6535557-BK](https://nearbypermits.com/seattle/permit/6535557-BK/) | | Jun 23, 2015 | Alteration or repair | Blanket Permit for interior non-structural alterations to the 1st 4th & 5th floor. For (WA STATE FERRIES) per plans. | Not listed | [6474305-BK](https://nearbypermits.com/seattle/permit/6474305-BK/) | | Mar 20, 2014 | Alteration or repair | Blanket Permit for interior non-structural alterations to the 5th & 6th floor. For (CISCO SYSTEMS) per plans. | Not listed | [6407304-BK](https://nearbypermits.com/seattle/permit/6407304-BK/) | | Jul 7, 2011 | Alteration or repair | Closed as incomplete - expired permit. Demolition of an existing tenant convienence stairway between floors 2 & 3 and construct a structural floor infill per plans ( T.I under#6280245) | $50,000 | [6283675-CN](https://nearbypermits.com/seattle/permit/6283675-CN/) | | May 25, 2011 | Alteration or repair | Blanket Permit for interior non-structural alterations for Washington state ferries on 5th floor | Not listed | [6282764-BK](https://nearbypermits.com/seattle/permit/6282764-BK/) | | May 2, 2011 | Alteration or repair | Blanket Permit for interior non-structural alterations to the 2nd floor. For BEN BRIDGE per plans. | Not listed | [6280245-BK](https://nearbypermits.com/seattle/permit/6280245-BK/) | | Jul 12, 2010 | Alteration or repair | Tenant improvements including floor infill in 6th floor office of existing comm bldg per plan. | $5,000 | [6250769-CN](https://nearbypermits.com/seattle/permit/6250769-CN/) | | Mar 18, 2010 | Alteration or repair | Closed as incomplete - expired permit. Office tenant improvements 5th floor east half of existing comm bldg per plan / STFI | $40,000 | [6243550-CN](https://nearbypermits.com/seattle/permit/6243550-CN/) | | Nov 13, 2009 | Alteration or repair | Office tenant improvements (Cisco) 5th + 6th floors of existing comm bldg / STFI | $132,000 | [6232966-CN](https://nearbypermits.com/seattle/permit/6232966-CN/) | | Oct 29, 2009 | Alteration or repair | Construct non structural tenant improvements to ground floor of existing commercial building per plan Subject to Field Inspection (STFI). | $45,000 | [6231616-CN](https://nearbypermits.com/seattle/permit/6231616-CN/) | | Dec 20, 2007 | Alteration or repair | Blanket Permit for interior non-structural alterations to the first floor Discover U. - includes revisions to 6147783. | Not listed | [6160574-BK](https://nearbypermits.com/seattle/permit/6160574-BK/) | | Aug 31, 2007 | Alteration or repair | Blanket Permit for interior non-structural alterations to the 6th floor. Cisco | Not listed | [6150403-BK](https://nearbypermits.com/seattle/permit/6150403-BK/) | | Jul 30, 2007 | Alteration or repair | Blanket Permit for interior non-structural alterations to the 1st floor. Discover u | Not listed | [6147783-BK](https://nearbypermits.com/seattle/permit/6147783-BK/) | | Mar 20, 2006 | Alteration or repair | Blanket Permit for interior non-structural alterations to the Ben Bridge Jewelers floor 2 & 3 | Not listed | [6086502-BK](https://nearbypermits.com/seattle/permit/6086502-BK/) | ## Within ¼ mi since May 1, 2026 10 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 7 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 30, 2026 | [125 Warren Ave N](https://nearbypermits.com/seattle/address/125-warren-ave-n/) | 750 ft NW | Roofing | Roof overlay | $13,380 | [7165216-RR](https://nearbypermits.com/seattle/permit/7165216-RR/) | | Sep 30, 2026 | [129 Warren Ave N](https://nearbypermits.com/seattle/address/129-warren-ave-n/) | 770 ft NW | Roofing | Roof overlay | $13,380 | [7165214-RR](https://nearbypermits.com/seattle/permit/7165214-RR/) | | Sep 30, 2026 | [123 John St](https://nearbypermits.com/seattle/address/123-john-st/) | 800 ft NW | Roofing | Overlay on roof | $17,460 | [7165210-RR](https://nearbypermits.com/seattle/permit/7165210-RR/) | | Sep 30, 2026 | [117 John St](https://nearbypermits.com/seattle/address/117-john-st/) | 850 ft NW | Roofing | Overlay of the roof | $17,460 | [7165204-RR](https://nearbypermits.com/seattle/permit/7165204-RR/) | | Sep 16, 2026 | [335 Thomas St](https://nearbypermits.com/seattle/address/335-thomas-st/) | 880 ft N | New building | Install minor communication "small cell node" utility pole (Verizon) per plan. | $70,000 | [7148933-CN](https://nearbypermits.com/seattle/permit/7148933-CN/) | | Aug 10, 2026 | [200 Sue Bird Ct N](https://nearbypermits.com/seattle/address/200-sue-bird-ct-n/) | 600 ft N | Alteration or repair | Construct tenant improvements to concession area of IMAX theater per plan. Mechanical included this permit. | $148,415 | [7131196-CN](https://nearbypermits.com/seattle/permit/7131196-CN/) | | Jul 2, 2026 | [325 Denny Way](https://nearbypermits.com/seattle/address/325-denny-way/) | 600 ft E | Demolition | Demolish existing commercial building per plan. | $500,000 | [7144578-DM](https://nearbypermits.com/seattle/permit/7144578-DM/) | ### Farther (1,000 ft to ¼ mi), 3 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Aug 4, 2026 | [2717 Western Ave](https://nearbypermits.com/seattle/address/2717-western-ave/) | 0.20 mi S | Alteration or repair | Construct interior alterations to condo unit 1104 subject to field inspection STFI. | $99,152 | [7156270-CN](https://nearbypermits.com/seattle/permit/7156270-CN/) | | Jun 29, 2026 | [370 Thomas St](https://nearbypermits.com/seattle/address/370-thomas-st/) | 0.24 mi NE | Alteration or repair | Construct alterations to renovate historic Seattle Center Monorail Station per plan. Mechanical work included this permit. | $15,000,000 | [7108199-CN](https://nearbypermits.com/seattle/permit/7108199-CN/) | | May 1, 2026 | [305 Harrison St](https://nearbypermits.com/seattle/address/305-harrison-st/) | 0.23 mi N | Addition | Construct addition and alterations to institutional building (The Armory emergency generator vault and renewable energy improvements) per plan. Mechanical included. | $2,000,000 | [7094482-CN](https://nearbypermits.com/seattle/permit/7094482-CN/) | --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-03 17:41 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/