# Building permits at 450 3rd Ave W, Seattle, WA Nine permits on record here. The newest, Jun 23, 2025: Construct tenant improvements at portions of 3rd and 4th level tenant spaces [HOLLAND AMERICA] in commercial. Within a quarter mile, the city has issued 3 more permits since May 1. ## At this address | Date | Type | Work | Cost | Permit | |---|---|---|---|---| | Jun 23, 2025 | Alteration or repair | Construct tenant improvements at portions of 3rd and 4th level tenant spaces [HOLLAND AMERICA] in commercial office building [THIRD & HARRISON BUILDING] subject to field inspection [STFI]. | $455,176 | [7090229-CN](https://nearbypermits.com/seattle/permit/7090229-CN/) | | Dec 7, 2023 | Alteration or repair | Construct tenant improvements at the 2nd and 3rd floor levels for commercial tenant [HOLLAND AMERICA GROUP] in commercial office building subject to field inspection [STFI]. | $316,713 | [6999327-CN](https://nearbypermits.com/seattle/permit/6999327-CN/) | | Jul 15, 2019 | Alteration or repair | Construct initial tenant improvements for office space in existing commercial building occupy per plan. | $811,572 | [6713169-CN](https://nearbypermits.com/seattle/permit/6713169-CN/) | | May 2, 2019 | Alteration or repair | Blanket permit tenant improvements to office space for Department of Licensing on the 1st floor per plans. | $373,072 | [6719634-BK](https://nearbypermits.com/seattle/permit/6719634-BK/) | | Feb 8, 2017 | Alteration or repair | Construct alterations in men's bathrooms on floors 3 - 6 of an existing office building subject to field inspection (STFI) | $25,000 | [6580236-CN](https://nearbypermits.com/seattle/permit/6580236-CN/) | | Aug 1, 2016 | Alteration or repair | Construct initial tenant improvement on level 6 for a cafeteria and alterations to stairways in an existing office building occupy per plans. | $550,000 | [6518552-CN](https://nearbypermits.com/seattle/permit/6518552-CN/) | | May 5, 2016 | Alteration or repair | Blanket permit for interior non-structural alterations for tenant HOLLAND AMERICA GROUP. Floors 2-6 | Not listed | [6522108-BK](https://nearbypermits.com/seattle/permit/6522108-BK/) | | Aug 28, 2015 | New building | Construction of an office building with below grade parking and occupy per plan. | $37,379,562 | [6414719-PH](https://nearbypermits.com/seattle/permit/6414719-PH/) | | Jul 1, 2015 | New building | Shoring and Excavation for construction of an office building with below grade parking per plan. SSPTD issued KSD 4-29-15. | $2,200,000 | [6443916-CN](https://nearbypermits.com/seattle/permit/6443916-CN/) | ## 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), 2 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Jun 29, 2026 | [412 W Mercer St](https://nearbypermits.com/seattle/address/412-w-mercer-st/) | 960 ft NW | Alteration or repair | Foundation repair at SW corner of existing multifamily building per plan. | $38,000 | [7123230-CN](https://nearbypermits.com/seattle/permit/7123230-CN/) | | May 7, 2026 | [412 W Mercer St](https://nearbypermits.com/seattle/address/412-w-mercer-st/) | 960 ft NW | Alteration or repair | Construct alterations to existing multifamily building (exterior siding) per plan. | $19,361 | [7112198-CN](https://nearbypermits.com/seattle/permit/7112198-CN/) | ### Farther (1,000 ft to ¼ mi), 1 permits | Date | Address | Distance | Type | Work | Cost | Permit | |---|---|---|---|---|---|---| | Sep 29, 2026 | [315 1st Ave N](https://nearbypermits.com/seattle/address/315-1st-ave-n/) | 0.23 mi E | Alteration or repair | Construct alterations to existing mixed-use building and change occupancy from R-2 apartment to R-1 hotel occupy per plan. | $800,000 | [6949329-CN](https://nearbypermits.com/seattle/permit/6949329-CN/) | ## More on this street Other addresses on 3rd Ave W with permits, nearest house number first: - [603 3rd Ave W](https://nearbypermits.com/seattle/address/603-3rd-ave-w/): newest permit Jan 27, 2026 - [1406 3rd Ave W](https://nearbypermits.com/seattle/address/1406-3rd-ave-w/): newest permit Apr 10, 2026 - [1416 3rd Ave W](https://nearbypermits.com/seattle/address/1416-3rd-ave-w/): newest permit Sep 2, 2026 - [1512 3rd Ave W](https://nearbypermits.com/seattle/address/1512-3rd-ave-w/): newest permit Sep 22, 2026 - [1621 3rd Ave W](https://nearbypermits.com/seattle/address/1621-3rd-ave-w/): newest permit Jun 24, 2025 - [1833 3rd Ave W](https://nearbypermits.com/seattle/address/1833-3rd-ave-w/): newest permit Dec 10, 2024 - [1914 3rd Ave W](https://nearbypermits.com/seattle/address/1914-3rd-ave-w/): newest permit Aug 11, 2025 - [1917 3rd Ave W](https://nearbypermits.com/seattle/address/1917-3rd-ave-w/): newest permit Jan 29, 2026 - [1924 3rd Ave W](https://nearbypermits.com/seattle/address/1924-3rd-ave-w/): newest permit May 18, 2026 - [2101 3rd Ave W](https://nearbypermits.com/seattle/address/2101-3rd-ave-w/): newest permit Oct 10, 2024 --- Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-07 01:44 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/ Map, all 9 permits at this address and 3 nearby: https://nearbypermits.com/seattle/address/450-3rd-ave-w/