925 Seneca St
Building permits, Seattle, WA
925 Seneca St, Seattle has 29 building permits on record. The most recent, issued Jul 10, 2025, is for addition or alteration: Construct alterations to portions of levels 3-6 and on rooftop of existing hospital (Virgia Mason) per plan. Mechanical work included.
All permits at this address
| Date | Type | Work | Cost |
|---|---|---|---|
| Addition or alteration | Construct alterations to portions of levels 3-6 and on rooftop of existing hospital (Virgia Mason) per plan. Mechanical work included. | $350,000 | |
| Addition or alteration | Alterations to replace ceiling on 4th floor office area (rooms 403-407) subject to field inspection STFI. | $10,000 | |
| Addition or alteration | Construct tenant improvements in an institutional building on the 6th floor subject to field inspection (STFI) | $60,150 | |
| Commercial | Skybridge located on Seneca St. This will be a roofing overlay with PVC membrane. | $50,000 | |
| Addition or alteration | Tenant improvement to medical space (5th floor Central Pavilion) subject to field inspection (STFI). | $75,000 | |
| Addition or alteration | Construct roof access ladder and platform for existing institutional building (Virginia Mason Hospital) per plan. | $35,000 | |
| Addition or alteration | Construction Tenant Improvements in existing institutional building to create an anesthesia clinic on 5th floor of main builidng per plan. | $285,000 | |
| Addition or alteration | Construct alterations for a shaft on the 4th & 5th floors of Virginia Mason Hospital per plans. | $26,174 | |
| Addition or alteration | 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 | |
| Addition or alteration | Construct interior alterations to existing hospital (Virginia Mason Central Pavilion building 7) per plan. Mechanical Included. | $297,114 | |
| Addition or alteration | Construct alterations to portion of 11th floor of Virginia Mason Hospital per plans. | $322,929 | |
| Addition or alteration | 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 | |
| Addition or alteration | Construct alterations for storage racks for (emergency drinking water)in basement level of Virginia Mason Medical Center per plans | $23,957 | |
| Addition or alteration | Interior alterations to existing dialysis suite on 7th floor of existing hospital subject to field inspection (STFI) | $45,000 | |
| Addition or alteration | 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 | |
| Addition or alteration | Construct alterations for storage room at sixth floor of existing hospital (Virginia Mason Central Pavilion) per plan. | $124,000 | |
| Addition or alteration | Construct interior alterations to level 5 of existing hospital for MRI Suite per plan. | $1,513,382 | |
| Addition or alteration | Construct interior alterations to laboratory room at sixth floor of existing Virginia Mason Medical Center subject to field inspection. | $76,000 | |
| Addition or alteration | Re-Roof Virginia Mason Building. | – | |
| Addition or alteration | Alterations to existing lab and office space of existing hospital (level 6 of original Virginia Mason hospital / west wing) per plans. | $1,000,000 | |
| Addition or alteration | Construct alterations to existing Virginia Mason Medical Center on Level H3/ per plan. | $600,000 | |
| Addition or alteration | 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… | $10,000 | |
| Addition or alteration | Non-structural interior alterations to 4th floor to create new exam rooms and workstations in existing hospital subject to field inspection | $35,000 | |
| Addition or alteration | Non-structural interior alterations to patient rooms on 7th floor of existing hospital per floor plan and subject to field inspection | $80,000 | |
| Addition or alteration | Closed as incomplete - expired permit. Tenant improvements to suite 597 for Virginia Mason Hospital subject to field inspection | $60,000 | |
| Addition or alteration | Construct/reconfigure utility room on 7th and 8th floor of existing Virginia Mason Medical Center per plan Subject to Field Inspection (STFI). | $35,000 | |
| Addition or alteration | 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 | |
| Addition or alteration | Alteration to existing office space per floor plan subject to field inspection. | $50,000 | |
| Addition or alteration | 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 |
Checked 2026-10-01 10:53 UTC against Seattle Department of Construction and Inspections permit data. Markdown · JSON