# Building permits at 925 Seneca 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, Jul 10, 2025: Construct alterations to portions of levels 3-6 and on rooftop of existing hospital (Virgia Mason). Within a quarter mile, the city has issued 26 more permits (24 projects) since May 1.

## At this address

| Date | Type | Work | Cost | Permit |
|---|---|---|---|---|
| Jul 10, 2025 | Alteration or repair | Construct alterations to portions of levels 3-6 and on rooftop of existing hospital (Virgia Mason) per plan. Mechanical work included. | $350,000 | [7076285-CN](https://nearbypermits.com/seattle/permit/7076285-CN/) |
| Jun 11, 2021 | Alteration or repair | Alterations to replace ceiling on 4th floor office area (rooms 403-407) subject to field inspection STFI. | $10,000 | [6843230-CN](https://nearbypermits.com/seattle/permit/6843230-CN/) |
| Nov 2, 2020 | Alteration or repair | Construct tenant improvements in an institutional building on the 6th floor subject to field inspection (STFI) | $60,150 | [6800090-CN](https://nearbypermits.com/seattle/permit/6800090-CN/) |
| Sep 9, 2020 | Roofing | Skybridge located on Seneca St. This will be a roofing overlay with PVC membrane. | $50,000 | [6799689-RR](https://nearbypermits.com/seattle/permit/6799689-RR/) |
| Jul 24, 2019 | Alteration or repair | Tenant improvement to medical space (5th floor Central Pavilion) subject to field inspection (STFI). | $75,000 | [6738870-CN](https://nearbypermits.com/seattle/permit/6738870-CN/) |
| Jan 16, 2019 | Roofing | Construct roof access ladder and platform for existing institutional building (Virginia Mason Hospital) per plan. | $35,000 | [6684333-CN](https://nearbypermits.com/seattle/permit/6684333-CN/) |
| Dec 20, 2018 | Alteration or repair | Construction Tenant Improvements in existing institutional building to create an anesthesia clinic on 5th floor of main builidng per plan. | $285,000 | [6689241-CN](https://nearbypermits.com/seattle/permit/6689241-CN/) |
| Oct 15, 2018 | Alteration or repair | Construct alterations for a shaft on the 4th & 5th floors of Virginia Mason Hospital per plans. | $26,174 | [6657281-CN](https://nearbypermits.com/seattle/permit/6657281-CN/) |
| Jun 13, 2018 | Alteration or repair | Interior alterations to coffee shop located main floor of Virginia Mason Hospital to the east of the main entrance subject to field inspection | $50,000 | [6673236-CN](https://nearbypermits.com/seattle/permit/6673236-CN/) |
| Nov 8, 2017 | Alteration or repair | Construct interior alterations to existing hospital (Virginia Mason Central Pavilion building 7) per plan. Mechanical Included. | $297,114 | [6598631-CN](https://nearbypermits.com/seattle/permit/6598631-CN/) |
| Oct 26, 2017 | Alteration or repair | Construct alterations to portion of 11th floor of Virginia Mason Hospital per plans. | $322,929 | [6603832-CN](https://nearbypermits.com/seattle/permit/6603832-CN/) |
| Jul 27, 2017 | Alteration or repair | Interior non structural demolition alterations to existing hospital (Virginia Mason) on the 5th floor central pavilion building north portion (STFI) subject to field inspection. | $40,000 | [6610235-CN](https://nearbypermits.com/seattle/permit/6610235-CN/) |
| Jun 21, 2017 | Alteration or repair | Construct alterations for storage racks for (emergency drinking water)in basement level of Virginia Mason Medical Center per plans | $23,957 | [6593596-CN](https://nearbypermits.com/seattle/permit/6593596-CN/) |
| Nov 2, 2016 | Alteration or repair | Interior alterations to existing dialysis suite on 7th floor of existing hospital subject to field inspection (STFI) | $45,000 | [6565094-CN](https://nearbypermits.com/seattle/permit/6565094-CN/) |
| Jun 17, 2016 | Alteration or repair | Alterations to add fire door on level 5 and security doors on levels 4 5 and 6 of existing hospital building per plan. | $6,000 | [6518863-CN](https://nearbypermits.com/seattle/permit/6518863-CN/) |
| Apr 5, 2016 | Alteration or repair | Construct alterations for storage room at sixth floor of existing hospital (Virginia Mason Central Pavilion) per plan. | $124,000 | [6504915-CN](https://nearbypermits.com/seattle/permit/6504915-CN/) |
| Feb 20, 2016 | Alteration or repair | Construct interior alterations to level 5 of existing hospital for MRI Suite per plan. | $1,513,382 | [6491771-CN](https://nearbypermits.com/seattle/permit/6491771-CN/) |
| Dec 18, 2015 | Alteration or repair | Construct interior alterations to laboratory room at sixth floor of existing Virginia Mason Medical Center subject to field inspection. | $76,000 | [6510381-CN](https://nearbypermits.com/seattle/permit/6510381-CN/) |
| Nov 13, 2015 | Roofing | Re-Roof Virginia Mason Building. | Not listed | [6503493-CN](https://nearbypermits.com/seattle/permit/6503493-CN/) |
| Jul 9, 2015 | Alteration or repair | Alterations to existing lab and office space of existing hospital (level 6 of original Virginia Mason hospital / west wing) per plans. | $1,000,000 | [6469451-CN](https://nearbypermits.com/seattle/permit/6469451-CN/) |
| Dec 11, 2013 | Alteration or repair | Construct alterations to existing Virginia Mason Medical Center on Level H3/ per plan. | $600,000 | [6386307-CN](https://nearbypermits.com/seattle/permit/6386307-CN/) |
| Oct 11, 2012 | Roofing | Install new exterior stair providing second means of egress from existing hospital level 7 roof (one level above grade) to re-establish use of partial roof area by building occupants per plan | $10,000 | [6328433-CN](https://nearbypermits.com/seattle/permit/6328433-CN/) |
| Dec 2, 2011 | Alteration or repair | Non-structural interior alterations to 4th floor to create new exam rooms and workstations in existing hospital subject to field inspection | $35,000 | [6303843-CN](https://nearbypermits.com/seattle/permit/6303843-CN/) |
| Dec 2, 2011 | Alteration or repair | Non-structural interior alterations to patient rooms on 7th floor of existing hospital per floor plan and subject to field inspection | $80,000 | [6303822-CN](https://nearbypermits.com/seattle/permit/6303822-CN/) |
| May 13, 2010 | Alteration or repair | Closed as incomplete - expired permit. Tenant improvements to suite 597 for Virginia Mason Hospital subject to field inspection | $60,000 | [6248467-CN](https://nearbypermits.com/seattle/permit/6248467-CN/) |
| Nov 20, 2009 | Alteration or repair | Construct/reconfigure utility room on 7th and 8th floor of existing Virginia Mason Medical Center per plan Subject to Field Inspection (STFI). | $35,000 | [6233825-CN](https://nearbypermits.com/seattle/permit/6233825-CN/) |
| Apr 21, 2009 | Alteration or repair | Closed as incomplete - expired permit. Alter entry wall incl. closet on 4th floor of virginia mason bldg per abreviated floor plan and details subject to field inspection. | $1,000 | [6214096-CN](https://nearbypermits.com/seattle/permit/6214096-CN/) |
| Aug 8, 2008 | Alteration or repair | Alteration to existing office space per floor plan subject to field inspection. | $50,000 | [6190690-CN](https://nearbypermits.com/seattle/permit/6190690-CN/) |
| May 9, 2008 | Alteration or repair | Tenant improvement to virginia mason medical center.Relocation of existing chapel and cash machine on the 4th floor. Subject to field inspections. Stfi. | $39,600 | [6180474-CN](https://nearbypermits.com/seattle/permit/6180474-CN/) |

## Within ¼ mi since May 1, 2026

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

### This block (250 to 1,000 ft), 3 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 8, 2026 | [903 Union St](https://nearbypermits.com/seattle/address/903-union-st/) | 790 ft NW | Roofing | Remove old modified bitumen roof and replae with new Certainteed SBS roof membrane system. Specification :SBS-C-2-T | $449,966 | [7161721-RR](https://nearbypermits.com/seattle/permit/7161721-RR/) |
| Jun 9, 2026 | [900 University St](https://nearbypermits.com/seattle/address/900-university-st/) | 540 ft NW | Alteration or repair | Construct interior alterations in residential building on level 1 for a cafe (Horizon House) occupy per plan. | $300,000 | [6962853-CN](https://nearbypermits.com/seattle/permit/6962853-CN/) |
| Jun 2, 2026 | [1020 Seneca St](https://nearbypermits.com/seattle/address/1020-seneca-st/) | 390 ft NE | Alteration or repair | Construct voluntary seismic retrofit (alternate method) to existing multifamily building (John Winthrop Apartments) per plan. | $824,397 | [7126099-CN](https://nearbypermits.com/seattle/permit/7126099-CN/) |

### Farther (1,000 ft to ¼ mi), 23 permits

| Date | Address | Distance | Type | Work | Cost | Permit |
|---|---|---|---|---|---|---|
| Sep 30, 2026 | [800 Union St](https://nearbypermits.com/seattle/address/800-union-st/) | 0.23 mi NW | Alteration or repair | Construct blanket permit tenant improvements to the Consulate General of Japan in Seattle on the tenth floor of existing commercial building per plan. | $18,000 | [7160064-BK](https://nearbypermits.com/seattle/permit/7160064-BK/) |
| Sep 23, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 0.21 mi W | 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/) | 0.21 mi W | 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 18, 2026 | [1310 Minor Ave](https://nearbypermits.com/seattle/address/1310-minor-ave/) | 0.21 mi N | Alteration or repair | Construct alterations to existing mixed use building on levels 1-5 per plan. | $92,500 | [7120882-CN](https://nearbypermits.com/seattle/permit/7120882-CN/) |
| Sep 15, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 0.21 mi W | 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/) | 0.21 mi W | 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 | [725 9th Ave](https://nearbypermits.com/seattle/address/725-9th-ave/) | 0.23 mi S | Alteration or repair | Construct alterations to institutional building (Cascade Tower) to create a cafe on the 4th floor occupy per plan. | $3,000,000 | [7121231-CN](https://nearbypermits.com/seattle/permit/7121231-CN/) |
| Aug 13, 2026 | [800 Union St](https://nearbypermits.com/seattle/address/800-union-st/) | 0.23 mi NW | Alteration or repair | Construct blanket permit tenant improvements to Oppenheimer & Co. Inc. on the 21st floor of existing commercial building per plan. | $280,000 | [7145954-BK](https://nearbypermits.com/seattle/permit/7145954-BK/) |
| Aug 13, 2026 | [800 Union St](https://nearbypermits.com/seattle/address/800-union-st/) | 0.23 mi NW | Alteration or repair | Construct blanket permit tenant improvements to Oppenheimer & Co. Inc. on the 21st floor of existing commercial building per plan. | $45,000 | [7145949-BK](https://nearbypermits.com/seattle/permit/7145949-BK/) |
| Aug 12, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.21 mi W | 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/) | 0.21 mi W | 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/) | 0.21 mi W | 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 4, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 0.21 mi W | 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/) |
| Jul 27, 2026 | [601 Union St](https://nearbypermits.com/seattle/address/601-union-st/) | 0.21 mi W | 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 | [800 Union St](https://nearbypermits.com/seattle/address/800-union-st/) | 0.23 mi NW | Alteration or repair | Construct blanket permit tenant improvements to Mutual of Enumclaw on the 11th floor of existing commercial building per plan. | $100,000 | [7145725-BK](https://nearbypermits.com/seattle/permit/7145725-BK/) |
| Jul 8, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.21 mi W | 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 1, 2026 | [1300 University St](https://nearbypermits.com/seattle/address/1300-university-st/) | 0.24 mi NE | Alteration or repair | Construct repairs in kind to existing multi-family building subject to field inspection (STFI). | $20,000 | [7148750-CN](https://nearbypermits.com/seattle/permit/7148750-CN/) |
| Jul 1, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.21 mi W | 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 16, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.21 mi W | 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 4, 2026 | [802 Terry Ave](https://nearbypermits.com/seattle/address/802-terry-ave/) | 0.20 mi SE | Alteration or repair | Construct interior alterations for concession area at 1st floor of existing institution (O'Dea High School) and occupy per plan. | $200,000 | [7129340-CN](https://nearbypermits.com/seattle/permit/7129340-CN/) |
| May 27, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.21 mi W | 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 20, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.21 mi W | 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 5, 2026 | [600 University St](https://nearbypermits.com/seattle/address/600-university-st/) | 0.21 mi W | 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/) |

---
Source: Seattle Department of Construction and Inspections permit data (https://cos-data.seattle.gov/d/76t5-zqzr). Checked 2026-10-05 17:36 UTC. Nearby Permits, https://nearbypermits.com. JSON API and MCP server: https://nearbypermits.com/developers/

Map, all 29 permits at this address and 26 nearby: https://nearbypermits.com/seattle/address/925-seneca-st/