# Building permits at 1091 Thomas St, Seattle, WA Two permits on record here. The newest, Nov 7, 2025: Tenant improvements to level P2 of existing office building. Within a quarter mile, the city has issued 25 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Nov 7, 2025 | Alteration or repair | Tenant improvements to level P2 of existing office building per plan. | $100,000 | [7108547-CN](https://nearbypermits.com/seattle/permit/7108547-CN/) | | Jun 15, 2015 | Alteration or repair | Change of use from retail to restaurant construct alterations and occupy per plan. | $550,000 | [6466702-CN](https://nearbypermits.com/seattle/permit/6466702-CN/) | ## Within ¼ mi since May 1, 2026 25 permits in the circle. From our copy of the city's data (last 24 months). ### Next door (under 250 ft), 3 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 14, 2026 | [207 Boren Ave N](https://nearbypermits.com/seattle/address/207-boren-ave-n/) | under 10 ft | Alteration or repair | Construct Tenant improvement Project at 207 Boren Ave N; Removing existing partial-height demoutable partition and installing full-height demountable partition walls subject to field inspection STFI. | $5,000 | [7152265-CN](https://nearbypermits.com/seattle/permit/7152265-CN/) | | Jun 17, 2026 | [207 Boren Ave N](https://nearbypermits.com/seattle/address/207-boren-ave-n/) | under 10 ft | Alteration or repair | Construct Tenant improvement Project at 207 Boren Ave N. Removing existing partial-height demoutable partitions and installing full-height demountable partition walls subject to field inspection STFI. | $9,000 | [7148359-CN](https://nearbypermits.com/seattle/permit/7148359-CN/) | | May 7, 2026 | [207 Boren Ave N](https://nearbypermits.com/seattle/address/207-boren-ave-n/) | under 10 ft | Alteration or repair | Construct interior tenant improvements to existing office building (level 9) subject to field inspection (STFI). | $5,500 | [7141925-CN](https://nearbypermits.com/seattle/permit/7141925-CN/) | ### This block (250 to 1,000 ft), 17 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 15, 2026 | [1120 Denny Way](https://nearbypermits.com/seattle/address/1120-denny-way/) | 540 ft SE | Alteration or repair | Change of use from general sales and services to medical services per land use code. Construct initial tenant improvements to existing commercial building at ground level suite 8 (ATI Physical Therapy) occupy per plan. Mechanical included. | $390,000 | [7135471-CN](https://nearbypermits.com/seattle/permit/7135471-CN/) | | Sep 15, 2026 | [400 Westlake Ave N](https://nearbypermits.com/seattle/address/400-westlake-ave-n/) | 850 ft NW | Alteration or repair | Construct tenant improvements in commercial building on Levels 9 & 13 per plan. | $915,038 | [7135192-CN](https://nearbypermits.com/seattle/permit/7135192-CN/) | | Sep 3, 2026 | [300 Boren Ave N](https://nearbypermits.com/seattle/address/300-boren-ave-n/) | 310 ft NE | Fence, wall or deck | Construct tenant improvement project at 300 Boren Ave N for removal of existing demountable partial-height partitions and installation of demountable full-height partitions and associated ceiling track system to deck above STFI. | $30,000 | [7161239-CN](https://nearbypermits.com/seattle/permit/7161239-CN/) | | Sep 3, 2026 | [333 Boren Ave N](https://nearbypermits.com/seattle/address/333-boren-ave-n/) | 270 ft N | Alteration or repair | Construct tenant improvement to existing office space subject to field inspection STFI. | $450,500 | [7158130-CN](https://nearbypermits.com/seattle/permit/7158130-CN/) | | Aug 28, 2026 | [399 Fairview Ave N](https://nearbypermits.com/seattle/address/399-fairview-ave-n/) | 620 ft NE | Alteration or repair | Construct Tenant Improvement Project at 399 Fairview Ave N for installation of full-height demountable partition wall and installation of associated ceiling track system subject to field inspection STFI. | $8,000 | [7160245-CN](https://nearbypermits.com/seattle/permit/7160245-CN/) | | Aug 28, 2026 | [399 Fairview Ave N](https://nearbypermits.com/seattle/address/399-fairview-ave-n/) | 620 ft NE | Alteration or repair | Construct tenant improvement project at 399 Fairview Ave. N to reconfiguring full-height demountable partitions in existing office space subject to field inspection STFI. | $8,000 | [7159772-CN](https://nearbypermits.com/seattle/permit/7159772-CN/) | | Aug 19, 2026 | [399 Fairview Ave N](https://nearbypermits.com/seattle/address/399-fairview-ave-n/) | 620 ft NE | Alteration or repair | Construct tenant improvement for North portion of level 4 of office space subject to field inspection STFI. | $5,000 | [7158308-CN](https://nearbypermits.com/seattle/permit/7158308-CN/) | | Aug 14, 2026 | [399 Fairview Ave N](https://nearbypermits.com/seattle/address/399-fairview-ave-n/) | 620 ft NE | Alteration or repair | Construct Tenant Improvement Project at 399 Fairview Ave N. Installation of full-height demountable partition walls and installation of associated ceiling track systems subject to field inspection STFI. | $5,000 | [7158199-CN](https://nearbypermits.com/seattle/permit/7158199-CN/) | | Aug 12, 2026 | [120 Westlake Ave N](https://nearbypermits.com/seattle/address/120-westlake-ave-n/) | 610 ft SW | Roofing | Construct alterations and additions for minor telecommunications antenna facility (TMobile) at the roof top to existing mixed-use building per plan. | $75,000 | [7125335-CN](https://nearbypermits.com/seattle/permit/7125335-CN/) | | Aug 6, 2026 | [380 Boren Ave N](https://nearbypermits.com/seattle/address/380-boren-ave-n/) | 550 ft N | Alteration or repair | Construct tenant improvements to expand classroom use in commercial building at NW corner of 1st floor (for Jazzed) occupy per plan. | $240,000 | [7135558-CN](https://nearbypermits.com/seattle/permit/7135558-CN/) | | Aug 3, 2026 | [202 Westlake Ave N](https://nearbypermits.com/seattle/address/202-westlake-ave-n/) | 460 ft W | Alteration or repair | Construct interior only tenant improvement on Level 5 to install (2) phone booths. Subject to field inspection-STFI | $15,000 | [7152326-CN](https://nearbypermits.com/seattle/permit/7152326-CN/) | | Aug 3, 2026 | [202 Westlake Ave N](https://nearbypermits.com/seattle/address/202-westlake-ave-n/) | 460 ft W | Alteration or repair | Construct blanket permit tenant improvements to Amazon SEA37 on the fifth floor of existing commercial building per plan. | $287,185 | [7147036-BK](https://nearbypermits.com/seattle/permit/7147036-BK/) | | Aug 3, 2026 | [1120 Denny Way](https://nearbypermits.com/seattle/address/1120-denny-way/) | 540 ft SE | Alteration or repair | Change use from general sales and services to indoor sports and recreation per land use code. Construct tenant improvement for professional services (Jetset Pilates) at southeast corner of ground floor of existing mixed-use building occupy per plan. Mechanical Included. | $453,775 | [7137800-CN](https://nearbypermits.com/seattle/permit/7137800-CN/) | | Jun 30, 2026 | [101 Westlake Ave N](https://nearbypermits.com/seattle/address/101-westlake-ave-n/) | 840 ft SW | Alteration or repair | Install box truss arch for outdoor event (Amazon Bring your Kids to Work Day 2026) Per Plan. Installation will be from July 21st to July 25th and be done by professional crew. Owner responsible for structural integrity of arch. | $25,000 | [7147640-CN](https://nearbypermits.com/seattle/permit/7147640-CN/) | | Jun 15, 2026 | [440 Terry Ave N](https://nearbypermits.com/seattle/address/440-terry-ave-n/) | 940 ft N | Alteration or repair | Construct tenant improvement to existing office space subject to field inspection STFI. | $1,270 | [7148050-CN](https://nearbypermits.com/seattle/permit/7148050-CN/) | | Jun 9, 2026 | [300 Boren Ave N](https://nearbypermits.com/seattle/address/300-boren-ave-n/) | 310 ft NE | Alteration or repair | Construct tenant improvement to existing office space subject to field inspection STFI. | $8,000 | [7146692-CN](https://nearbypermits.com/seattle/permit/7146692-CN/) | | May 15, 2026 | [202 Westlake Ave N](https://nearbypermits.com/seattle/address/202-westlake-ave-n/) | 460 ft W | Alteration or repair | Construct tenant improvement to East portion of level 2 office space subject to field inspection STFI. | $5,000 | [7143372-CN](https://nearbypermits.com/seattle/permit/7143372-CN/) | ### Farther (1,000 ft to ¼ mi), 5 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Aug 12, 2026 | [400 9th Ave N](https://nearbypermits.com/seattle/address/400-9th-ave-n/) | 0.21 mi NW | Alteration or repair | Construct tenant improvement to portion of L - 12 office space in a commercial building per subject to field inspection STFI. | $45,000 | [7157706-CN](https://nearbypermits.com/seattle/permit/7157706-CN/) | | Jul 2, 2026 | [900 Lenora St](https://nearbypermits.com/seattle/address/900-lenora-st/) | 0.19 mi S | Alteration or repair | Construct non structural interior alterations to condo unit W700 subject to field inspection STFI. | $25,000 | [7150945-CN](https://nearbypermits.com/seattle/permit/7150945-CN/) | | Jul 2, 2026 | [500 Fairview Ave N](https://nearbypermits.com/seattle/address/500-fairview-ave-n/) | 0.24 mi NE | Alteration or repair | Construct interior non-structural alterations to research lab tenant at the 7th floor level of commercial building per plan. | $354,287 | [7149049-CN](https://nearbypermits.com/seattle/permit/7149049-CN/) | | Jun 26, 2026 | [2025 Terry Ave](https://nearbypermits.com/seattle/address/2025-terry-ave/) | 0.20 mi S | Alteration or repair | Install exterior gate at vestibule of existing multifamily building (Cornish College of the Arts student housing) per plan | $2,000 | [7136075-CN](https://nearbypermits.com/seattle/permit/7136075-CN/) | | May 13, 2026 | [2010 Terry Ave](https://nearbypermits.com/seattle/address/2010-terry-ave/) | 0.21 mi S | Alteration or repair | Construct non-structural in-kind repairs throughout water-damaged apartment subject to field inspection (STFI) | $150,000 | [7141677-CN](https://nearbypermits.com/seattle/permit/7141677-CN/) | --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-05 20:03 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, both permits at this address and 25 nearby: https://nearbypermits.com/seattle/address/1091-thomas-st/