# Building permits at 370 Thomas St, Seattle, WA The biggest project within a quarter mile since May 1: a $2M addition at 305 Harrison St, permitted May 1. Two permits on record here. The newest, Jun 29: Construct alterations to renovate historic Seattle Center Monorail Station. Within a quarter mile, the city has issued 6 more permits since May 1. One is for a new building, 420 ft away. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jun 29, 2026 | 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/) | | Sep 25, 2019 | Fence, wall or deck | Construct minor alterations to telecommunications facility (Verizon Wireless) on rooftop of existing commercial structure (Expressly Northwest Giftshop) per plan | $35,000 | [6734671-CN](https://nearbypermits.com/seattle/permit/6734671-CN/) | ## Within ¼ mi since May 1, 2026 6 permits in the circle. From our copy of the city's data (last 24 months). ### This block (250 to 1,000 ft), 5 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 16, 2026 | [335 Thomas St](https://nearbypermits.com/seattle/address/335-thomas-st/) | 420 ft SW | 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 19, 2026 | [440 5th Ave N](https://nearbypermits.com/seattle/address/440-5th-ave-n/) | 850 ft NE | Alteration or repair | Construct tenant improvements to existing commercial building (Gates Foundation Discover Center Gallery 6) per plan. | $100,000 | [7148741-CN](https://nearbypermits.com/seattle/permit/7148741-CN/) | | Aug 10, 2026 | [200 Sue Bird Ct N](https://nearbypermits.com/seattle/address/200-sue-bird-ct-n/) | 680 ft SW | 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 9, 2026 | [440 5th Ave N](https://nearbypermits.com/seattle/address/440-5th-ave-n/) | 850 ft NE | Alteration or repair | Construct tenant improvement to existing gallery space space subject to field inspection STFI. | $100,000 | [7151304-CN](https://nearbypermits.com/seattle/permit/7151304-CN/) | | May 1, 2026 | [305 Harrison St](https://nearbypermits.com/seattle/address/305-harrison-st/) | 320 ft W | 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/) | ### Farther (1,000 ft to ¼ mi), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jul 2, 2026 | [325 Denny Way](https://nearbypermits.com/seattle/address/325-denny-way/) | 0.21 mi S | Demolition | Demolish existing commercial building per plan. | $500,000 | [7144578-DM](https://nearbypermits.com/seattle/permit/7144578-DM/) | ## More on this street Other addresses on Thomas St with permits, nearest house number first: - [335 Thomas St](https://nearbypermits.com/seattle/address/335-thomas-st/): newest permit Sep 16, 2026 - [210 Thomas St](https://nearbypermits.com/seattle/address/210-thomas-st/): newest permit Oct 27, 2025 - [200 Thomas St](https://nearbypermits.com/seattle/address/200-thomas-st/): newest permit Dec 17, 2025 - [757 Thomas St](https://nearbypermits.com/seattle/address/757-thomas-st/): newest permit Dec 4, 2025 - [771 Thomas St](https://nearbypermits.com/seattle/address/771-thomas-st/): newest permit Apr 9, 2025 - [1091 Thomas St](https://nearbypermits.com/seattle/address/1091-thomas-st/): newest permit Nov 7, 2025 - [1253 Thomas St](https://nearbypermits.com/seattle/address/1253-thomas-st/): newest permit Dec 26, 2025 - [1259 Thomas St](https://nearbypermits.com/seattle/address/1259-thomas-st/): newest permit Mar 24, 2025 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-06 23:29 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, both permits at this address and 6 nearby: https://nearbypermits.com/seattle/address/370-thomas-st/