# Building permits at 401 Union St, Seattle, WA

The biggest project within a quarter mile since May 1: a $4.8M alteration or repair at 600 University St, permitted Jul 8.

29 permits on record here. The newest, Jun 2: Construct blanket permit tenant improvements to PACIFICA LAW GROUP on Floor 16 of existing commercial building. Within a quarter mile, the city has issued 60 more permits (59 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Jun 2, 2026 | Alteration or repair | Construct blanket permit tenant improvements to PACIFICA LAW GROUP on Floor 16 of existing commercial building per plan. | $300,000 | [7141836-BK](https://nearbypermits.com/seattle/permit/7141836-BK/) |
| Apr 2, 2026 | Alteration or repair | Construct blanket permit tenant improvements to Russell Investments on the 19th floor of existing commercial building per plan. | $120,000 | [7134300-BK](https://nearbypermits.com/seattle/permit/7134300-BK/) |
| Jan 23, 2026 | Alteration or repair | Construct blanket permit tenant improvements to Forsberg & Umlauf on the 14th floor of existing commercial building per plan. | $650,000 | [7118734-BK](https://nearbypermits.com/seattle/permit/7118734-BK/) |
| Aug 18, 2025 | Alteration or repair | Construct blanket permit tenant improvements to Project Mountain on the seventh floor of existing commercial building per plan. | $2,000,000 | [7091673-BK](https://nearbypermits.com/seattle/permit/7091673-BK/) |
| May 9, 2025 | Alteration or repair | Construct alterations to blanket permit tenant improvements for Russell Investments on floors 17 18 and portion of 19 of existing commercial building per plan. | $500,000 | [7069444-BK](https://nearbypermits.com/seattle/permit/7069444-BK/) |
| Mar 17, 2025 | Alteration or repair | Construct tenant improvements for office space at level 3 of existing commercial building occupy per plan. | $150,000 | [7056005-CN](https://nearbypermits.com/seattle/permit/7056005-CN/) |
| Feb 28, 2025 | Alteration or repair | Construct blanket permit tenant improvements to Interior Architects on the third floor of existing commercial building per plan. | $1,200,000 | [7058401-BK](https://nearbypermits.com/seattle/permit/7058401-BK/) |
| Feb 6, 2025 | Alteration or repair | Construct blanket permit tenant improvements for Russell Investments on floors 17 18 and portion of 19 of existing commercial building per plan. | $11,600,000 | [7053287-BK](https://nearbypermits.com/seattle/permit/7053287-BK/) |
| Jan 28, 2025 | Alteration or repair | Construct interior alterations to Level 3 of existing Rainier Square Commercial Building including alterations for interior exit stairs 3 and 8 per plan. | $50,000 | [7053213-CN](https://nearbypermits.com/seattle/permit/7053213-CN/) |
| Nov 13, 2024 | Alteration or repair | Construct structural alterations on floors 17-19 including two communicating stairs and supports for operable partitions for existing commercial tenant (Russell Investments TI) per plan. | $2,000,000 | [7035799-CN](https://nearbypermits.com/seattle/permit/7035799-CN/) |
| Sep 11, 2024 | Alteration or repair | Construct blanket permit tenant improvements to Remitly on floors: 8 9 & 10 of existing commercial building per plan. | $4,000,000 | [7039323-BK](https://nearbypermits.com/seattle/permit/7039323-BK/) |
| Sep 4, 2024 | Alteration or repair | Construct tenant improvements in existing commercial building on north side of floors 9&10 occupy per plan. | $200,000 | [7028781-CN](https://nearbypermits.com/seattle/permit/7028781-CN/) |
| Sep 3, 2024 | Alteration or repair | Construct blanket permit tenant improvements to Pacifica Law Group on the 16th floor of existing commercial building per plan. | $2,250,000 | [7036125-BK](https://nearbypermits.com/seattle/permit/7036125-BK/) |
| May 12, 2024 | Alteration or repair | Construct blanket permit tenant improvements to future tenant on the 14th floor of existing commercial building per plan. | $2,400,000 | [7015517-BK](https://nearbypermits.com/seattle/permit/7015517-BK/) |
| Apr 3, 2024 | Alteration or repair | Establish use as indoor participant sports per land use code. Construct tenant improvements for pickle ball courts at level 2 of commercial building occupy per plan. | $732,201 | [6984452-CN](https://nearbypermits.com/seattle/permit/6984452-CN/) |
| Mar 14, 2024 | Alteration or repair | Construct blanket permit tenant improvements to future tenant on the 14th floor of existing commercial building per plan. | $200,000 | [7011894-BK](https://nearbypermits.com/seattle/permit/7011894-BK/) |
| Feb 20, 2024 | Alteration or repair | Construct blanket permit tenant improvements to future tenant on the 20th floor of existing commercial building per plan. | $1,500,000 | [7004871-BK](https://nearbypermits.com/seattle/permit/7004871-BK/) |
| Feb 14, 2024 | Alteration or repair | Construct blanket permit tenant improvements to future tenant on the 19th floor of existing commercial building per plan. | $200,000 | [7001760-BK](https://nearbypermits.com/seattle/permit/7001760-BK/) |
| Jan 16, 2024 | Alteration or repair | Construct blanket permit tenant improvements to future tenant on the 19th floor of existing commercial building per plan. | $1,200,000 | [7000999-BK](https://nearbypermits.com/seattle/permit/7000999-BK/) |
| Oct 4, 2023 | Alteration or repair | Construct blanket permit tenant improvements to future tenant on the 32nd floor of existing commercial building per plan. | $1,000,100 | [6976286-BK](https://nearbypermits.com/seattle/permit/6976286-BK/) |
| Jun 30, 2023 | Alteration or repair | Tenant improvements to offices on levels 27 and 28 per plan. | $15,000 | [6946341-CN](https://nearbypermits.com/seattle/permit/6946341-CN/) |
| Mar 17, 2023 | Alteration or repair | Construct blanket permit tenant improvements to future tenant on the 15th floor of existing commercial building per plan. | $1,900,000 | [6939722-BK](https://nearbypermits.com/seattle/permit/6939722-BK/) |
| Mar 17, 2023 | Alteration or repair | Construct tenant improvements to existing commercial building on floor 15 tenant (Ryan Swanson Law) per plan. | $100,000 | [6939364-CN](https://nearbypermits.com/seattle/permit/6939364-CN/) |
| Nov 21, 2022 | Alteration or repair | Construct alterations to portion of existing commercial office tenant space occupy per plans | $119,298 | [6886990-CN](https://nearbypermits.com/seattle/permit/6886990-CN/) |
| Jul 20, 2022 | Alteration or repair | Blanket permit tenant improvements to office space for Orrick Seattle on the 33rd floor per plans. | $1,400,000 | [6897611-BK](https://nearbypermits.com/seattle/permit/6897611-BK/) |
| Dec 15, 2021 | Alteration or repair | Construct tenant improvements for office space at levels 27 & 28 of existing commercial building occupy per plan. | $1,357,461 | [6847104-CN](https://nearbypermits.com/seattle/permit/6847104-CN/) |
| Oct 27, 2021 | Alteration or repair | Construct alterations to add shelving to storage room (parking level C) in existing commercial building subject to field inspection (STFI). | $15,000 | [6864026-CN](https://nearbypermits.com/seattle/permit/6864026-CN/) |
| Sep 17, 2021 | Alteration or repair | Construct tenant improvement on east end of floor 21 of Bank of America office building subject to field inspection (STFI). | $5,000 | [6857900-CN](https://nearbypermits.com/seattle/permit/6857900-CN/) |
| Jan 8, 2020 | Alteration or repair | Tenant improvements for portions of floors 1 through 4 change use of portion of floor 4 from office to health club and occupy per plans. Project includes mechanical review. | $1,250,000 | [6727398-CN](https://nearbypermits.com/seattle/permit/6727398-CN/) |

## Within ¼ mi since May 1, 2026

60 permits in the circle. From our copy of the city's data (last 24 months).

### Next door (under 250 ft), 4 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Jun 26, 2026 | [1301 5th Ave](https://nearbypermits.com/seattle/address/1301-5th-ave/) | 170 ft SE | Alteration or repair | Blanket permit tenant improvements for MILLIMAN on floors 36-39 of existing commercial building per plan. | $150,000 | [7142360-BK](https://nearbypermits.com/seattle/permit/7142360-BK/) |
| Jun 1, 2026 | [1301 5th Ave](https://nearbypermits.com/seattle/address/1301-5th-ave/) | 170 ft SE | Alteration or repair | Construct blanket permit tenant improvements to Perkins & Will on floors 12 & 23 of existing commercial building per plan. | $540,000 | [7136812-BK](https://nearbypermits.com/seattle/permit/7136812-BK/) |
| May 19, 2026 | [1301 5th Ave](https://nearbypermits.com/seattle/address/1301-5th-ave/) | 170 ft SE | Alteration or repair | Construct tenant improvements to the north central portion at Levels 37 & 39 of exiting office building (Rainier Tower) and occupy per plan | $200,640 | [7108557-CN](https://nearbypermits.com/seattle/permit/7108557-CN/) |
| May 5, 2026 | [1301 5th Ave](https://nearbypermits.com/seattle/address/1301-5th-ave/) | 170 ft SE | Alteration or repair | Construct blanket permit tenant improvements to Milliman on floors 36-39 of existing commercial building per plan. | $3,600,000 | [7126559-BK](https://nearbypermits.com/seattle/permit/7126559-BK/) |

### This block (250 to 1,000 ft), 43 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 2, 2026 | [1201 2nd Ave](https://nearbypermits.com/seattle/address/1201-2nd-ave/) | 1,000 ft SW | Alteration or repair | Construct interior non-structural alterations to tenant space at 27th Floor of existing commercial building (Qaltrics Tower at 2+U) subject to field inspection (STFI) | $120,000 | [7165263-CN](https://nearbypermits.com/seattle/permit/7165263-CN/) |
| Oct 2, 2026 | [520 Pike St](https://nearbypermits.com/seattle/address/520-pike-st/) | 760 ft N | Alteration or repair | Construct tenant improvements for office tenant [BMO] at level 13 of commercial office building [520 PIKE BUILDING] subject to field inspection [STFI]. | $484,176 | [7156309-CN](https://nearbypermits.com/seattle/permit/7156309-CN/) |
| Sep 23, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 940 ft NE | Alteration or repair | Construct blanket permit tenant improvements to Snell & Wilmer on the 37th floor of existing commercial building per plan. | $64,000 | [7163264-BK](https://nearbypermits.com/seattle/permit/7163264-BK/) |
| Sep 23, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 940 ft NE | Alteration or repair | Construct blanket permit tenant improvements to Snell & Wilmer on the 37th floor of existing commercial building per plan. | $206,000 | [7163258-BK](https://nearbypermits.com/seattle/permit/7163258-BK/) |
| Sep 16, 2026 | [1201 2nd Ave](https://nearbypermits.com/seattle/address/1201-2nd-ave/) | 1,000 ft SW | Alteration or repair | Construct tenant improvement to level 14 of commercial office space subject to field inspection STFI. | $70,000 | [7162802-CN](https://nearbypermits.com/seattle/permit/7162802-CN/) |
| Sep 15, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 940 ft NE | Alteration or repair | Construct blanket permit tenant improvements to Avenue5 Residential on the 50th floor of existing commercial building per plan. | $1,107,000 | [7160931-BK](https://nearbypermits.com/seattle/permit/7160931-BK/) |
| Sep 14, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 790 ft E | Alteration or repair | Construct blanket permit tenant improvements to Puget Sound Clean Air Agency on the seventh floor of existing commercial building per plan. | $312,000 | [7154693-BK](https://nearbypermits.com/seattle/permit/7154693-BK/) |
| Sep 14, 2026 | [1420 5th Ave](https://nearbypermits.com/seattle/address/1420-5th-ave/) | 530 ft N | Alteration or repair | Construct alterations in commercial building for assembly spaces on levels 27 & 28 occupy per plan. | $192,628 | [7153895-CN](https://nearbypermits.com/seattle/permit/7153895-CN/) |
| Sep 14, 2026 | [1420 5th Ave](https://nearbypermits.com/seattle/address/1420-5th-ave/) | 530 ft N | Alteration or repair | Construct blanket permit tenant improvements to PwC on the 27th and 28th floors of existing commercial building per plan. | $1,950,000 | [7152276-BK](https://nearbypermits.com/seattle/permit/7152276-BK/) |
| Sep 8, 2026 | [1201 3rd Ave](https://nearbypermits.com/seattle/address/1201-3rd-ave/) | 740 ft S | Alteration or repair | Construct blanket permit tenant improvements to Ogletree Deakins on the 51st floor of existing commercial building per plan. | $1,012,678 | [7158473-BK](https://nearbypermits.com/seattle/permit/7158473-BK/) |
| Sep 2, 2026 | [520 Pike St](https://nearbypermits.com/seattle/address/520-pike-st/) | 760 ft N | Alteration or repair | Construct blanket permit tenant improvements to Wilson Elser LLP on the 28th floor of existing commercial building per plan. | $1,302,840 | [7154993-BK](https://nearbypermits.com/seattle/permit/7154993-BK/) |
| Aug 17, 2026 | [1501 4th Ave](https://nearbypermits.com/seattle/address/1501-4th-ave/) | 630 ft NW | Alteration or repair | Construct tenant improvements in commercial building [Century Square] concourse for Donburi House subject to field inspection (STFI) | $25,000 | [7158398-CN](https://nearbypermits.com/seattle/permit/7158398-CN/) |
| Aug 14, 2026 | [1301 4th Ave](https://nearbypermits.com/seattle/address/1301-4th-ave/) | 340 ft S | Alteration or repair | Construct blanket permit tenant improvements to Klinedinst Law on the 13th floor of existing commercial building per plan. | $39,490 | [7154263-BK](https://nearbypermits.com/seattle/permit/7154263-BK/) |
| Aug 12, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 790 ft E | Alteration or repair | Construct blanket permit tenant improvements to Consor Engineers on the third floor of existing commercial building per plan. | $49,000 | [7156370-BK](https://nearbypermits.com/seattle/permit/7156370-BK/) |
| Aug 7, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 940 ft NE | Alteration or repair | Construct blanket permit tenant improvements to Kilpatrick Townsend on the 41st floor of existing commercial building per plan. | $1,535,000 | [7154032-BK](https://nearbypermits.com/seattle/permit/7154032-BK/) |
| Aug 7, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 940 ft NE | Alteration or repair | Construct blanket permit tenant improvements to JLL on the 28th floor of existing commercial building per plan. | $977,000 | [7151762-BK](https://nearbypermits.com/seattle/permit/7151762-BK/) |
| Aug 7, 2026 | [500 Pike St](https://nearbypermits.com/seattle/address/500-pike-st/) | 670 ft N | Alteration or repair | Allow gallery use in portion of existing landmark building per the land use code. Construct alterations to portions of commercial building for an art gallery occupy per plans | $209,811 | [7146314-CN](https://nearbypermits.com/seattle/permit/7146314-CN/) |
| Aug 4, 2026 | [1201 2nd Ave](https://nearbypermits.com/seattle/address/1201-2nd-ave/) | 1,000 ft SW | Alteration or repair | Construct blanket permit tenant improvements to Laird Norton on the 14th floor of existing commercial building per plan. | $410,815 | [7153138-BK](https://nearbypermits.com/seattle/permit/7153138-BK/) |
| Aug 4, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 940 ft NE | Alteration or repair | Construct blanket permit tenant improvements to Washington Holdings on the 41st floor of existing commercial building per plan. | $183,000 | [7151763-BK](https://nearbypermits.com/seattle/permit/7151763-BK/) |
| Aug 4, 2026 | [1201 3rd Ave](https://nearbypermits.com/seattle/address/1201-3rd-ave/) | 740 ft S | Alteration or repair | Construct interior alterations for partial floor office tenant space (Egon Zehnder) at Floor 49 of existing commercial building per plan. | $585,000 | [7139485-CN](https://nearbypermits.com/seattle/permit/7139485-CN/) |
| Jul 30, 2026 | [1201 2nd Ave](https://nearbypermits.com/seattle/address/1201-2nd-ave/) | 1,000 ft SW | Alteration or repair | Construct tenant improvements in commercial building on Level 30 (Anduril) occupy per plan. | $100,000 | [7144588-CN](https://nearbypermits.com/seattle/permit/7144588-CN/) |
| Jul 28, 2026 | [1201 3rd Ave](https://nearbypermits.com/seattle/address/1201-3rd-ave/) | 740 ft S | Alteration or repair | Construct blanket permit tenant improvements to O'Hagan Meyer on the eighth floor of existing commercial building per plan. | $180,000 | [7148047-BK](https://nearbypermits.com/seattle/permit/7148047-BK/) |
| Jul 27, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 940 ft NE | Alteration or repair | Construct blanket permit tenant improvements to Puget Sound Clean Air Agency on parking level B of existing commercial building per plan. | $15,000 | [7154701-BK](https://nearbypermits.com/seattle/permit/7154701-BK/) |
| Jul 23, 2026 | [1215 4th Ave](https://nearbypermits.com/seattle/address/1215-4th-ave/) | 580 ft S | Alteration or repair | Construct alterations to ground level lobby of existing office building per plan. | $754,000 | [7112847-CN](https://nearbypermits.com/seattle/permit/7112847-CN/) |
| Jul 8, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 790 ft E | Alteration or repair | Construct blanket permit tenant improvements to Arnold & Porter Seattle on the 35th and 36th floors of existing commercial building per plan. | $4,752,065 | [7143639-BK](https://nearbypermits.com/seattle/permit/7143639-BK/) |
| Jul 7, 2026 | [1301 2nd Ave](https://nearbypermits.com/seattle/address/1301-2nd-ave/) | 870 ft SW | Alteration or repair | Tenant improvements at level 1 (coat check) of existing art museum (Seattle Art Museum) subject to field inspection. | $166,597 | [7148391-CN](https://nearbypermits.com/seattle/permit/7148391-CN/) |
| Jul 7, 2026 | [1300 1st Ave](https://nearbypermits.com/seattle/address/1300-1st-ave/) | 870 ft SW | Alteration or repair | Construct alterations to south lobby of existing commercial building (Seattle Art Museum) per plan | $74,331 | [7112517-CN](https://nearbypermits.com/seattle/permit/7112517-CN/) |
| Jul 2, 2026 | [1501 4th Ave](https://nearbypermits.com/seattle/address/1501-4th-ave/) | 630 ft NW | Alteration or repair | Construct non structural tenant improvement to existing office space subject to field inspection STFI. | $37,000 | [7151167-CN](https://nearbypermits.com/seattle/permit/7151167-CN/) |
| Jul 2, 2026 | [1501 4th Ave](https://nearbypermits.com/seattle/address/1501-4th-ave/) | 630 ft NW | Alteration or repair | Construct non structural tenant improvement to office space subject to field inspection STFI. | $41,000 | [7151164-CN](https://nearbypermits.com/seattle/permit/7151164-CN/) |
| Jul 2, 2026 | [1501 4th Ave](https://nearbypermits.com/seattle/address/1501-4th-ave/) | 630 ft NW | Alteration or repair | Construct tenant improvements at 20th floor tenant space in commercial office building [CENTURY SQUARE] subject to field inspection [STFI]. | $39,000 | [7151057-CN](https://nearbypermits.com/seattle/permit/7151057-CN/) |
| Jul 1, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 790 ft E | Alteration or repair | Tenant Improvements for office (Buchalter) at 31st floor of existing Office Building per plan. | $181,191 | [7118453-CN](https://nearbypermits.com/seattle/permit/7118453-CN/) |
| Jun 23, 2026 | [1300 1st Ave](https://nearbypermits.com/seattle/address/1300-1st-ave/) | 870 ft SW | Alteration or repair | Construct tenant improvements to existing commercial building (Seattle Art Museum) at Level 2 occupy per plan. Mechanical Included. | $500,000 | [7136952-CN](https://nearbypermits.com/seattle/permit/7136952-CN/) |
| Jun 16, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 790 ft E | Alteration or repair | Construct alterations to eliminate and close off portion of convenience stair connecting L35 - 36 maintaining connection L36 - 37 per plans | $45,000 | [7132124-CN](https://nearbypermits.com/seattle/permit/7132124-CN/) |
| Jun 2, 2026 | [520 Pike St](https://nearbypermits.com/seattle/address/520-pike-st/) | 760 ft N | Alteration or repair | Blanket permit tenant improvements for JACKSON LEWIS in Suite 2300 of existing commercial building per plan. | $350,000 | [7142741-BK](https://nearbypermits.com/seattle/permit/7142741-BK/) |
| Jun 2, 2026 | [1301 4th Ave](https://nearbypermits.com/seattle/address/1301-4th-ave/) | 340 ft S | Alteration or repair | Construct blanket permit tenant improvements to Capstone Accounting & Tax on the 14th floor of existing commercial building per plan. | $50,000 | [7134466-BK](https://nearbypermits.com/seattle/permit/7134466-BK/) |
| May 28, 2026 | [415 Pine St](https://nearbypermits.com/seattle/address/415-pine-st/) | 820 ft N | Alteration or repair | Construct alterations to commercial space subject to field inspection STFI. | $102,000 | [7139646-CN](https://nearbypermits.com/seattle/permit/7139646-CN/) |
| May 28, 2026 | [425 Pike St](https://nearbypermits.com/seattle/address/425-pike-st/) | 420 ft N | Alteration or repair | Construct alterations to existing commercial building at level 1 per plan. | $120,000 | [7131671-CN](https://nearbypermits.com/seattle/permit/7131671-CN/) |
| May 27, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 790 ft E | Alteration or repair | Blanket permit tenant improvements for BUCHALTER on Floor 31 of existing commercial building per plan. | $1,187,236 | [7142990-BK](https://nearbypermits.com/seattle/permit/7142990-BK/) |
| May 26, 2026 | [1501 4th Ave](https://nearbypermits.com/seattle/address/1501-4th-ave/) | 630 ft NW | Alteration or repair | Construct interior tenant improvement to existing commercial space subject to field inspection STFI. | $40,000 | [7144346-CN](https://nearbypermits.com/seattle/permit/7144346-CN/) |
| May 20, 2026 | [1300 1st Ave](https://nearbypermits.com/seattle/address/1300-1st-ave/) | 870 ft SW | Alteration or repair | Construct tenant improvements to portions of SAM subject to field inspection (STFI | $524,406 | [7143840-CN](https://nearbypermits.com/seattle/permit/7143840-CN/) |
| May 20, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 790 ft E | Alteration or repair | Blanket permit tenant improvements for BEVERIDGE AND DIAMOND LAW on Floor 16 of existing commercial building per plan. | $52,000 | [7143350-BK](https://nearbypermits.com/seattle/permit/7143350-BK/) |
| May 19, 2026 | [1530 3rd Ave](https://nearbypermits.com/seattle/address/1530-3rd-ave/) | 860 ft NW | Alteration or repair | Construct tenant improvement to existing commercial space (McDonald's) subject to field inspection(STFI). | $100,000 | [7142867-CN](https://nearbypermits.com/seattle/permit/7142867-CN/) |
| May 5, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 790 ft E | Alteration or repair | Construct blanket permit tenant improvements to the Washington State Court of Appeals on the 26th floor of existing commercial building per plan. | $122,000 | [7138542-BK](https://nearbypermits.com/seattle/permit/7138542-BK/) |

### Farther (1,000 ft to ¼ mi), 13 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 29, 2026 | [1000 4th Ave](https://nearbypermits.com/seattle/address/1000-4th-ave/) | 0.22 mi SE | Alteration or repair | Construct alterations to SPL Central Library at L1 and L2 per plan. | $250,000 | [7028993-CN](https://nearbypermits.com/seattle/permit/7028993-CN/) |
| Sep 2, 2026 | [1601 5th Ave](https://nearbypermits.com/seattle/address/1601-5th-ave/) | 0.21 mi NW | Alteration or repair | Construct blanket permit tenant improvements to Hazen and Sawyer on the 20th floor of existing commercial building per plan. | $100,000 | [7157792-BK](https://nearbypermits.com/seattle/permit/7157792-BK/) |
| Aug 21, 2026 | [500 Pine St](https://nearbypermits.com/seattle/address/500-pine-st/) | 0.22 mi N | Alteration or repair | Tenant improvement for office building (Nordstrom's Corporate) at northwest entry on ground level of existing commercial building per plan. | $60,000 | [7124736-CN](https://nearbypermits.com/seattle/permit/7124736-CN/) |
| Aug 18, 2026 | [1225 1st Ave](https://nearbypermits.com/seattle/address/1225-1st-ave/) | 0.24 mi SW | Alteration or repair | Construct interior alterations to restaurant space subject to field inspection STFI. | $488,950 | [7158335-CN](https://nearbypermits.com/seattle/permit/7158335-CN/) |
| Aug 17, 2026 | [1427 1st Ave](https://nearbypermits.com/seattle/address/1427-1st-ave/) | 0.23 mi W | Alteration or repair | Tenant improvement for coffee shop (Tamra) ground floor of existing mixed use building occupy per plan. | $40,000 | [7151087-CN](https://nearbypermits.com/seattle/permit/7151087-CN/) |
| Aug 10, 2026 | [601 Pine St](https://nearbypermits.com/seattle/address/601-pine-st/) | 0.20 mi N | Alteration or repair | Tenant improvements at levels 1-3 of existing commercial building per plan. Mechanical included. | $3,000,000 | [7122723-CN](https://nearbypermits.com/seattle/permit/7122723-CN/) |
| Aug 7, 2026 | [701 Pike St](https://nearbypermits.com/seattle/address/701-pike-st/) | 0.20 mi NE | Alteration or repair | Construct blanket permit tenant improvements to Lee and Hayes on the 16th floor of existing commercial building per plan. | $375,000 | [7135931-BK](https://nearbypermits.com/seattle/permit/7135931-BK/) |
| Aug 4, 2026 | [1221 1st Ave](https://nearbypermits.com/seattle/address/1221-1st-ave/) | 0.24 mi SW | Roofing | Re-roof of multiple roof faucets. Remove existing and install vapor retarder over concrete deck average R-30 adhered roof insulation with 0.25/12 taper self-adhering base sheet torch down cap sheet. | $650,000 | [7156537-RR](https://nearbypermits.com/seattle/permit/7156537-RR/) |
| Aug 4, 2026 | [500 Pine St](https://nearbypermits.com/seattle/address/500-pine-st/) | 0.22 mi N | Alteration or repair | Construct tenant improvement to existing commercial building (Nordstrom tenant) at metro floor per plan. Mechanical included | $252,000 | [7144210-CN](https://nearbypermits.com/seattle/permit/7144210-CN/) |
| Jul 29, 2026 | [1000 2nd Ave](https://nearbypermits.com/seattle/address/1000-2nd-ave/) | 0.24 mi S | Alteration or repair | Construct tenant improvement to existing office space subject to field inspection STFI. | $206,356 | [7155259-CN](https://nearbypermits.com/seattle/permit/7155259-CN/) |
| Jul 28, 2026 | [1601 2nd Ave](https://nearbypermits.com/seattle/address/1601-2nd-ave/) | 0.25 mi W | Alteration or repair | Construct blanket permit tenant improvements for Ankrom Moisan on the seventh floor of existing commercial building per plan. | $500,000 | [7145081-BK](https://nearbypermits.com/seattle/permit/7145081-BK/) |
| Jun 23, 2026 | [1109 2nd Ave](https://nearbypermits.com/seattle/address/1109-2nd-ave/) | 0.22 mi S | Alteration or repair | Blanket permit tenant improvements for SONOS in Suite 1500 of existing commercial building per plan. | $203,000 | [7142419-BK](https://nearbypermits.com/seattle/permit/7142419-BK/) |
| May 26, 2026 | [300 Pine St](https://nearbypermits.com/seattle/address/300-pine-st/) | 0.20 mi NW | Alteration or repair | Construct interior non-structural alterations for 4th floor tenant space [E-BIKE SMART FACTORY] in commercial building [BON MARCHE] subject to field inspection [STFI]. | $600,000 | [7144530-CN](https://nearbypermits.com/seattle/permit/7144530-CN/) |

## More on this street

Other addresses on Union St with permits, nearest house number first:

- [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/): newest permit Sep 23, 2026
- [110 Union St](https://nearbypermits.com/seattle/address/110-union-st/): newest permit Mar 27, 2025
- [99 Union St](https://nearbypermits.com/seattle/address/99-union-st/): newest permit Sep 9, 2025
- [800 Union St](https://nearbypermits.com/seattle/address/800-union-st/): newest permit Sep 30, 2026
- [903 Union St](https://nearbypermits.com/seattle/address/903-union-st/): newest permit Sep 8, 2026

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Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-06 23:31 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 29 permits at this address and 60 nearby: https://nearbypermits.com/seattle/address/401-union-st/