2101 4th Ave
Building permits, Seattle, WA
2101 4th Ave, Seattle has 62 building permits on record. The most recent, issued Jul 17, 2026, is for addition or alteration: Construct tenant improvements for 10th floor office tenant [phenome health] in commercial office building [fourth & blanchard building] subject to field inspection [stfi].non-struc…
All permits at this address
| Date | Type | Work | Cost |
|---|---|---|---|
| Addition or alteration | Construct tenant improvements for 10th floor office tenant [phenome health] in commercial office building [fourth & blanchard building] subject to field inspection… | $65,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to Integrated Design Engineers on the 15th floor of existing commercial building per plan. | $175,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to Panorama Global on the 17th floor of existing commercial building per plan. | $200,000 | |
| Addition or alteration | Construct alterations to expand tenant control of entire floor 16 of in existing commercial office building per plan. | $366,906 | |
| Tenant Improvment | Construct blanket tenant improvements for Baluster Discovery on the 1st floor of existing commercial building per plan. | $171,429 | |
| Tenant Improvment | Construct blanket permit tenant improvements to future tenant on the 14th floor of existing commercial building per plan. | $229,417 | |
| Addition or alteration | Construct tenant improvements for office space (Phenome Health) at level 10 of existing commercial building subject to field inspection (STFI) | $247,564 | |
| Tenant Improvment | Construct tenant improvements for office (Davis Law) on 10th floor of existing office building per plan. | $127,380 | |
| Tenant Improvment | Construct blanket tenant improvements for TRC Companies on the 20th floor of existing commercial building per plan. | $163,204 | |
| Tenant Improvment | Construct blanket permit tenant improvements to future tenant on the sixth floor of existing commercial building per plan. | $313,044 | |
| Addition or alteration | Tenant improvements to southeast portion of ground floor of commercial building for FOB Poke restaurant per plan. | $71,426 | |
| Addition or alteration | Change use from office to laboratory and construct interior TI for (A-Alpha Bio) at fifth floor of existing 'Fourth and Blanchard Building' and occupy per plan. | $578,000 | |
| Addition or alteration | Office tenant improvements on south portion of first floor subject to field inspection. | $363,000 | |
| Addition or alteration | Construct interior alterations for Varian Medical on 1st floor of commercial building subject to field inspection (STFI) | $81,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for PES Environmental on the 13th floor per plans. | $119,713 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for HBB Landscape Architecture on the 18th floor per plans. | $103,465 | |
| Addition or alteration | Construct tenant improvements to existing retail space per STFI | $75,000 | |
| Addition or alteration | Construct interior alteration for tenant improvement on 8th floor of existing office spaces Subject to Field Inspection (STFI) | $3,000 | |
| Addition or alteration | Construct interior alterations for operable glass partition between Lunch Room and Conference Room on 9th floor of existing office building per plan. | $10,000 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations on the ninth floor for GeoEningeers per plan. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations on the 17th floor per plan. | – | |
| Addition or alteration | Construct tenant improvement for office space in commercial building (portion of 15th floor) subject to field inspection (STFI). | $20,000 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations at Floor 17(Ste1720 Stanley Black & Decker) per plan. | – | |
| Addition or alteration | Interior alterations to suite 550 of existing commercial building subject to field inspection (STFI) | $45,000 | |
| Addition or alteration | Non-structural alterations to existing commercial building (portion of 5th floor) subject to field inspection (STFI). | $42,400 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations for 17th floor per plan. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Floor 12 Crum and Forster (tenant). | – | |
| Addition or alteration | Interior alterations to Floor 3 of existing office building subject to field inspection (STFI) | $24,435 | |
| Addition or alteration | Tenant Improvement to 21st floor subject to field inspection (STFI). | $38,365 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Tenant improvements for Pavia Systems 12th floor per plan. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Tenant Improvement for Harvey Nash on 7th floor per plans | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations for tenant WINDSTAR CRUISES. Floor 10 | – | |
| Addition or alteration | Interior alterations to 15th floor (Womack Law) subject to field inspection (STFI). | $16,225 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Tenant improvement to the 6th floor of Qliance. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations for tenant QLIANCE | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations for Lorber Greenfield + Polito to 9th floor per plans. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to 10th floor for Davis Law per plans. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to 19th floor for New Relic per plans | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to the 3rd floor. For "PTSO" per plans. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations for Robblee Detweiller 10th floor | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to space 701 (tenant name Wealth Management 7th floor). | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to the 11th floor. For (kibun foods) per plans. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to the 15th floor. For grameen foundation per plans. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to Imaginit Floor 11 | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to Grameen Foundation Floor 10 suite 1030 | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations for 6th floor for Davis Law. | – | |
| Addition or alteration | Closed as incomplete - expired permit. Construct interior non structural alterations to existing office space on 13th floor of Selig Building per floor plan and subject to field… | $900 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Floor 16. Tenant: GSA | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to floor 8 Gilmore Research | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to the 2nd floor Majestic America Line | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to the 18th floor. Navigator's insurance | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to the 2nd floor of Roblee Brennan & Detwiler. | – | |
| Tenant Improvment | W.S.R.B 3rd Floor | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to the 7th floor Modis & Wasser | – | |
| Addition or alteration | Alterations to easterly portion 19th floor for research and development lab (suite 1901) and occupy per plans. Project includes Mechanical. | $26,800 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations for the 4th floor. Aventail | – | |
| Addition or alteration | alter as commercial office T.I. on the NE portion of 19th Floor subject to field inspection (STFI). | $68,000 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to the 5th floor. Calypso medical tech. | – | |
| Tenant Improvment | Sprinklers Campus Point | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to the 13th floor. Learn live | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to the 20th floor. 360 Networks | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Floor 1 Calypso | – |
Checked 2026-10-01 10:38 UTC against Seattle Department of Construction and Inspections permit data. Markdown · JSON