# Building permits at 400 Dexter Ave N, Seattle, WA

The biggest project within a quarter mile since May 1: a $4M alteration or repair at 701 Dexter Ave N, permitted Sep 16.

35 permits on record here. The newest, May 13: Construct alterations to install guards and plants for level 5 tenant [BRISTOL MYERS SQUIBB] existing north. Within a quarter mile, the city has issued 13 more permits since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| May 13, 2026 | Alteration or repair | Construct alterations to install guards and plants for level 5 tenant [BRISTOL MYERS SQUIBB] existing north and south terraces of commercial office building per plan. | $650,000 | [7117546-CN](https://nearbypermits.com/seattle/permit/7117546-CN/) |
| Mar 9, 2026 | Alteration or repair | Construct interior non-structural alterations at level 7 and new pass-thru window at level 9 of existing laboratory space (Bristol Myers Squibb) per plan. Mechanical work included this permit. | $105,000 | [7114501-CN](https://nearbypermits.com/seattle/permit/7114501-CN/) |
| Nov 25, 2025 | Alteration or repair | Construct alterations to office building at 3rd and 5th floors per plan. | $100,000 | [7107682-CN](https://nearbypermits.com/seattle/permit/7107682-CN/) |
| Jan 29, 2025 | Alteration or repair | Install manufactured privacy enclosures within existing L-7 commercial office per plans | $250,000 | [7049165-CN](https://nearbypermits.com/seattle/permit/7049165-CN/) |
| Dec 11, 2024 | Alteration or repair | Tenant Improvement add storage racks at Level 4 (Bristol Myers Squibb Warehouse) of existing commercial building per plan | $175,000 | [7048082-CN](https://nearbypermits.com/seattle/permit/7048082-CN/) |
| Dec 3, 2024 | Alteration or repair | Construct tenant improvement to existing commercial building at level 6 room 632 (cold room) per plan. Mechanical included. | $265,000 | [7042494-CN](https://nearbypermits.com/seattle/permit/7042494-CN/) |
| Oct 24, 2024 | Alteration or repair | Tenant improvements for rooms 614 and 814 (Bristol Myers Squibb) of existing commercial building. Mechanical included. | $100,000 | [7037414-CN](https://nearbypermits.com/seattle/permit/7037414-CN/) |
| Aug 13, 2024 | Alteration or repair | Tenant improvements to convert space 734 to enclosed lab space (Bristol Myers Squibb) for existing commercial building per plan. Mechanical Included. | $130,000 | [7031284-CN](https://nearbypermits.com/seattle/permit/7031284-CN/) |
| Jul 3, 2024 | Alteration or repair | Interior tenant improvement to existing facilities room subject to field inspection STFI. | $5,000 | [7032220-CN](https://nearbypermits.com/seattle/permit/7032220-CN/) |
| Apr 17, 2024 | Alteration or repair | Construct tenant improvements for office space at level 9 of existing commercial building subject to field inspection (STFI) | $40,000 | [7019671-CN](https://nearbypermits.com/seattle/permit/7019671-CN/) |
| Mar 28, 2024 | Alteration or repair | Tenant improvement to storage space subject to field inspection STFI. | $30,000 | [7016747-CN](https://nearbypermits.com/seattle/permit/7016747-CN/) |
| Jun 30, 2023 | Alteration or repair | Establish use as research lab and construct alterations to existing commercial building at level P1 level 2 and level 3 occupy per plan. Mechanical included. | $6,300,000 | [6883903-CN](https://nearbypermits.com/seattle/permit/6883903-CN/) |
| Oct 6, 2022 | Alteration or repair | Construct tenant improvements to portion of existing laboratory subject to field inspection (STFI) | $100,000 | [6923998-CN](https://nearbypermits.com/seattle/permit/6923998-CN/) |
| Jun 5, 2022 | Alteration or repair | Construct alterations to level 3 of existing commercial building per plan. | $100,000 | [6899503-CN](https://nearbypermits.com/seattle/permit/6899503-CN/) |
| Feb 1, 2022 | Alteration or repair | Office tenant improvements (12th floor west side) subject to field inspection. | $250,000 | [6879167-CN](https://nearbypermits.com/seattle/permit/6879167-CN/) |
| Oct 4, 2021 | Alteration or repair | Tenant improvements to elevator lobbies on levels 10 and 11 of existing office building subject to field inspection. | $50,000 | [6861129-CN](https://nearbypermits.com/seattle/permit/6861129-CN/) |
| Jul 21, 2021 | Alteration or repair | Tenant improvements on levels 10 and 11 for office/lab spaces per plans. Project includes mechanical work. | $12,000,000 | [6818555-CN](https://nearbypermits.com/seattle/permit/6818555-CN/) |
| Apr 1, 2020 | Alteration or repair | Change of use from office to laboratory and construct tenant improvements for non-production laboratory on southeast portion of 4th floor commercial building and occupy per plan. Mechanical included. | $2,500,000 | [6761768-CN](https://nearbypermits.com/seattle/permit/6761768-CN/) |
| Dec 10, 2019 | Alteration or repair | Emergency repair to cut post-tension cables on 6th floor of existing commercial building per plan. | $50,000 | [6761221-CN](https://nearbypermits.com/seattle/permit/6761221-CN/) |
| Sep 5, 2019 | Alteration or repair | Construct tenant improvements to existing commercial building on 2nd floor to create a small conference room per STFI | $10,000 | [6746744-CN](https://nearbypermits.com/seattle/permit/6746744-CN/) |
| Apr 10, 2019 | Alteration or repair | Construct interior alteration for tenant improvement on second floor of existing office space Subject to Field Inspection (STFI) | $18,000 | [6721520-CN](https://nearbypermits.com/seattle/permit/6721520-CN/) |
| Mar 28, 2019 | Alteration or repair | Tenant improvements to Conference B on 4th floor of commercial building subject to field inspection (STFI) | $100,000 | [6719445-CN](https://nearbypermits.com/seattle/permit/6719445-CN/) |
| Jun 21, 2018 | Alteration or repair | Office tenant improvements on 3rd floor per plans. Project includes mechanical work. | $3,420,460 | [6634786-CN](https://nearbypermits.com/seattle/permit/6634786-CN/) |
| Jun 13, 2018 | Alteration or repair | Construct initial tenant improvements (Juno Therapeutics) to an existing commercial high-rise office building at the SE portion of the 4th floor level per plan. Mechanical is included. | $1,096,000 | [6639485-CN](https://nearbypermits.com/seattle/permit/6639485-CN/) |
| May 3, 2018 | Alteration or repair | Construct alterations for new convenience stair between 3rd and 4th floors in existing office per plan. | $72,000 | [6634789-CN](https://nearbypermits.com/seattle/permit/6634789-CN/) |
| Dec 8, 2017 | Alteration or repair | Change of use to restaurant/spa/exercise and construct interior and exterior alterations to main floor and occupy per plan. | $1,259,263 | [6594773-CN](https://nearbypermits.com/seattle/permit/6594773-CN/) |
| Oct 26, 2017 | Alteration or repair | Construct initial tenant improvements to existing mixed use building on level 2 NW corner (Alexandria) per plan. | $828,543 | [6610113-CN](https://nearbypermits.com/seattle/permit/6610113-CN/) |
| Apr 19, 2017 | Alteration or repair | Change of use from office to reasearch and development lab on east portion of 5th floor. Initial tenant improvements to existing office on floors 4 and 5 per plan. | $9,900,683 | [6556290-CN](https://nearbypermits.com/seattle/permit/6556290-CN/) |
| Dec 14, 2016 | Alteration or repair | Initial tenant improvements to existing office on floors 6 to 12 per plan. Mechanical included. | $29,919,043 | [6520919-CN](https://nearbypermits.com/seattle/permit/6520919-CN/) |
| Oct 4, 2016 | Alteration or repair | Initial tenant improvements on floors 1 & 2 in a commercial building occupy per plan. | $3,167,727 | [6529167-CN](https://nearbypermits.com/seattle/permit/6529167-CN/) |
| Sep 16, 2015 | New building | Construct a new office building with ground floor retail and below grade parking and occupy per plans. | $67,424,413 | [6387901-PH](https://nearbypermits.com/seattle/permit/6387901-PH/) |
| Jun 30, 2015 | New building | Shoring and excavation for future construction of a new office building with ground floor retail and below grade parking per plan. | $7,000,000 | [6439675-CN](https://nearbypermits.com/seattle/permit/6439675-CN/) |
| Jun 5, 2015 | Demolition | Demolish existing commercial building to grade with existing foundations to remain per plan. (Multi-tagged with 6439673 & 6439674. Document tracking under 6439672). | Not listed | [6439672-DM](https://nearbypermits.com/seattle/permit/6439672-DM/) |
| Jun 1, 2009 | Alteration or repair | Alterations to existing indoor participant sports; change use to restaurant and occupy per plan | $25,000 | [6210899-CN](https://nearbypermits.com/seattle/permit/6210899-CN/) |
| Feb 25, 2009 | Alteration or repair | Repair to west and south facade of existing building to repair brick with stucco per plan.(OK PER AL LUNDE) | $60,000 | [6208844-CN](https://nearbypermits.com/seattle/permit/6208844-CN/) |

## Within ¼ mi since May 1, 2026

13 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 |
|---|---|---|---|---|---|---|
| Sep 15, 2026 | [400 Westlake Ave N](https://nearbypermits.com/seattle/address/400-westlake-ave-n/) | 960 ft E | 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/) |
| Aug 12, 2026 | [400 9th Ave N](https://nearbypermits.com/seattle/address/400-9th-ave-n/) | 640 ft E | 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/) |

### Farther (1,000 ft to ¼ mi), 11 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Oct 7, 2026 | [133 Dexter Ave N](https://nearbypermits.com/seattle/address/133-dexter-ave-n/) | 0.20 mi S | Alteration or repair | Construct tenant improvements for retail (NOW) at north entry area in existing commercial building per plan. | $15,000 | [7151695-CN](https://nearbypermits.com/seattle/permit/7151695-CN/) |
| Oct 1, 2026 | [520 Westlake Ave N](https://nearbypermits.com/seattle/address/520-westlake-ave-n/) | 0.22 mi NE | Alteration or repair | Construct tenant improvements to existing commercial building (Block 38) at levels L5 L7-L12 per plan. | $150,000 | [7150160-CN](https://nearbypermits.com/seattle/permit/7150160-CN/) |
| Sep 16, 2026 | [701 Dexter Ave N](https://nearbypermits.com/seattle/address/701-dexter-ave-n/) | 0.24 mi N | Alteration or repair | Change use from office to laboratory and lab support per land use code. Construct interior non-structural tenant improvements to Level 6 shell and core office space and occupy per plan. | $3,980,000 | [7143336-CN](https://nearbypermits.com/seattle/permit/7143336-CN/) |
| Aug 19, 2026 | [440 5th Ave N](https://nearbypermits.com/seattle/address/440-5th-ave-n/) | 0.23 mi W | 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 5, 2026 | [535 Terry Ave N](https://nearbypermits.com/seattle/address/535-terry-ave-n/) | 0.24 mi NE | Fence, wall or deck | Construction of security vestibules in parking garage of a mixed use building per plan. | $100,000 | [7135203-CN](https://nearbypermits.com/seattle/permit/7135203-CN/) |
| Aug 3, 2026 | [202 Westlake Ave N](https://nearbypermits.com/seattle/address/202-westlake-ave-n/) | 0.24 mi SE | 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/) | 0.24 mi SE | 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/) |
| Jul 27, 2026 | [700 Dexter Ave N](https://nearbypermits.com/seattle/address/700-dexter-ave-n/) | 0.23 mi N | Alteration or repair | Tenant improvements at existing level 4 skybridge of existing commercial building per plan. Mechanical included. | $150,000 | [7124329-CN](https://nearbypermits.com/seattle/permit/7124329-CN/) |
| Jul 9, 2026 | [440 5th Ave N](https://nearbypermits.com/seattle/address/440-5th-ave-n/) | 0.23 mi W | 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/) |
| Jul 7, 2026 | [700 Dexter Ave N](https://nearbypermits.com/seattle/address/700-dexter-ave-n/) | 0.23 mi N | Alteration or repair | Construct tenant improvements to existing commercial building at levels 12 and 14 per plan. | $30,000 | [7144364-CN](https://nearbypermits.com/seattle/permit/7144364-CN/) |
| May 15, 2026 | [202 Westlake Ave N](https://nearbypermits.com/seattle/address/202-westlake-ave-n/) | 0.24 mi SE | 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/) |

## Zoning requests nearby

There are no zoning requests on file within ¼ mi. Seattle's feed was last read Oct 15.

## More on this street

Other addresses on Dexter Ave N with permits, nearest house number first:

- [211 Dexter Ave N](https://nearbypermits.com/seattle/address/211-dexter-ave-n/): newest permit Apr 14, 2025
- [133 Dexter Ave N](https://nearbypermits.com/seattle/address/133-dexter-ave-n/): newest permit Oct 7, 2026
- [700 Dexter Ave N](https://nearbypermits.com/seattle/address/700-dexter-ave-n/): newest permit Jul 27, 2026
- [701 Dexter Ave N](https://nearbypermits.com/seattle/address/701-dexter-ave-n/): newest permit Sep 16, 2026
- [903 Dexter Ave N](https://nearbypermits.com/seattle/address/903-dexter-ave-n/): newest permit Jan 30, 2026
- [920 Dexter Ave N](https://nearbypermits.com/seattle/address/920-dexter-ave-n/): newest permit Jul 31, 2026
- [1000 Dexter Ave N](https://nearbypermits.com/seattle/address/1000-dexter-ave-n/): newest permit Jun 25, 2026
- [1100 Dexter Ave N](https://nearbypermits.com/seattle/address/1100-dexter-ave-n/): newest permit Feb 28, 2026
- [1101 Dexter Ave N](https://nearbypermits.com/seattle/address/1101-dexter-ave-n/): newest permit Jun 23, 2026
- [1215 Dexter Ave N](https://nearbypermits.com/seattle/address/1215-dexter-ave-n/): newest permit Feb 18, 2026

---
Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr), City of Seattle. Checked 2026-10-15 23:46 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Zoning requests come from the Seattle land use permits (https://cos-data.seattle.gov/d/ht3q-kdvx), City of Seattle. We read it Oct 15, 18:48 UTC.

Map, all 35 permits at this address and 13 nearby: https://nearbypermits.com/seattle/address/400-dexter-ave-n/
