401 5th Ave
Building permits, Seattle, WA 98104
401 5th Ave, Seattle has 17 building permits on record. The most recent, issued Sep 17, 2025, is for mechanical (hvac): Construct interior non-structural alterations to convert two restrooms into one all people's restroom per plan. Mechanical work included this permit.
All permits at this address
| Date | Type | Work | Cost |
|---|---|---|---|
| Mechanical (HVAC) | Construct interior non-structural alterations to convert two restrooms into one all people's restroom per plan. Mechanical work included this permit. | $300,000 | |
| Fence, wall or deck | Construct fabric shade cover over existing 2nd floor deck per plans. | $29,898 | |
| Alteration or repair | Construct non-structural improvements to Suite 135 of existing commercial building subject to field inspection (STFI). | $10,000 | |
| Alteration or repair | Interior alterations to third floor of Director's office subject to field inspection (STFI). | $15,000 | |
| Fence, wall or deck | Construct alterations and repairs to 2nd floor balcony wind screen and guard rail on existing commercial building per plan | $20,000 | |
| Alteration or repair | Non structual alterations on 1st floor per floor plan and subject to field inspection | $12,500 | |
| Alteration or repair | Tenant improvement (Daycare) in existing new King County office building at level (A) with level 2 outdoor playground and occupy per plan. | $349,753 | |
| Alteration or repair | Change of use from general retail to drinking/eating establishment with non structual alterations to NE corner of the 1st floor (Diva Expresso) and occupy per plan. | $40,000 | |
| Alteration or repair | Construct alterations to first floor office space conference room per floor plan and subject to field inspection STFI. | $40,000 | |
| Alteration or repair | TI to 8th floor per floor plan subject to field inspection. | $20,000 | |
| Alteration or repair | Interior alterations to existing tenant space on 1st floor for Credit Union per subject to field inspection | $75,000 | |
| Fence, wall or deck | Closed as Incomplete - Expired Permit Interior non-structural alterations (initial T.I.) to level "A" of existing structure to change use from office to fitness center and occupy… | $73,600 | |
| Alteration or repair | Initial comm TI to floors 1 through 13.to complete the floor layout of office spaces per plans. Project includes change of use of several tenant spaces from Office to Human… | $41,000,000 | |
| New building | Construct Phase Two of Two King County/Goat Hill Administrative Office Building and occupy per plan. 2/12/07 mvc: Revision to energy code.revised 6/11/2007 - Shop drawings for… | $44,846,431 | |
| New building | Phase 2a - construct tower crane foundation and support per plan. | $42,500 | |
| New building | Construct Phase One of Two Shoring and Excavation only Goat Hill Offices for King County. Also includes at grade and below grade demolition of existing structure. | $500,000 | |
| Demolition | Demolish existing structure down to ground floor diaphragm subject to field inspection. All grade level and below grade demolition to be included in the phase one shoring and… | – |
Seattle Department of Construction and Inspections last updated its data Oct 2, 2026. We checked it 2026-10-02 05:45 UTC. Official data.