505 Madison St
Building permits, Seattle, WA
505 Madison St, Seattle has 65 building permits on record. The most recent, issued Aug 10, 2026, is for tenant improvment: Construct blanket permit tenant improvements to Booking.com on the eighth floor of existing commercial building per plan.
All permits at this address
| Date | Type | Work | Cost |
|---|---|---|---|
| Tenant Improvment | Construct blanket permit tenant improvements to Booking.com on the eighth floor of existing commercial building per plan. | $500,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to future tenant on the 16th floor of existing commercial building per plan. | $1,070,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to SCERS on the 5th floor of existing commercial building per plan. | $925,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to Stripe on the 17th floor of existing commercial building per plan. | $3,100,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to future tenant on the eighth floor of existing commercial building per plan. | $1,800,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to Boston Properties on the eighth floor of existing commercial building per plan. | $1,800,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to Mass Mutual Financial Group on the 16th floor of existing commercial building per plan. | $925,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to Marten Law on the 27th floor of existing commercial building per plan. | $70,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to common area on the 16th floor of existing commercial building per plan. | $50,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to Marten Law on the 27th floor of existing commercial building per plan. | $150,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to future tenant on the 15th floor of existing commercial building per plan. | $1,700,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to future tenant on the 27th floor of existing commercial building per plan. | $380,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to future tenant on the 10th floor of existing commercial building per plan. | $480,000 | |
| Tenant Improvment | Construct blanket permit tenant improvements to future tenant on floors: 29 30 31 and 32 of existing commercial building per plan. | $110,000 | |
| Tenant Improvment | Blanket Permit tenant improvements to office space for future tenant on the 13th floor per plans. | $660,000 | |
| Addition or alteration | Construct alterations for tenant [STRIPE] at levels 19 through 22 of commercial office building [MADISON CENTRE] occupy per plan. | $465,282 | |
| Addition or alteration | Construct interior alterations for commercial tenant conference rooms [RSA SEATTLE] at the 28th floor of commercial office building [MADISON CENTRE] occupy per plan. | $450,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for RSM on the 28th floor per plans. | $1,300,000 | |
| Addition or alteration | Construct alterations to remove and infill communicating stair at floors 28 and 29 of commercial building per plan. | $50,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for Stripe on the 22nd floor per plans. | $1,100,000 | |
| Addition or alteration | Construct tenant improvements at AmazonGo subject to field inspection (STFI). | $200,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for future tenant on the 13th floor per plans. | $150,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for Hulu on floors 24 & 25 per plans. | $120,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for Cigna on the 13th floor per plans. | $1,600,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for Assurance on the 35 & 36th floors per plans. | $5,500,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for Cresset Capital on the 27th floor per plans. | $350,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space on the 27th floor per plans. | $350,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for Hulu on the 24th-26th floors per plans. | $3,650,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for Schnitzer West on the 27th floor per plans. | $803,040 | |
| Tenant Improvment | Blanket permit tenant improvements to Textio tenant space on the 22nd floor per plans. | $2,300,000 | |
| Addition or alteration | Construct tenant improvements to existing commercial building for new training room and new stair opening between levels 9 and 10 (Ernst and Young) occupy per plan. | $173,500 | |
| Tenant Improvment | Blanket permit tenant improvements to office space on the 9th & 10th floors per plans. | $1,617,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for Cornerstone Advisors on the 4th floor per plans. | $80,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space on the 3rd floor per plans. | $744,750 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for Westriver on the 34th floor per plans. | $660,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space on the 10th floor per plans. | $500,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space on the 10th floor per plans. | $25,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space on the 21st floor for Stripe per plans. | $1,000,000 | |
| Addition or alteration | Office tenant improvements to northwest portion of level 07 for employee break room and occupy per plans. | $124,500 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for B+H on the 6th floor per plans. | $30,000 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for Booking.com on the 7th floor per plans. | $1,540,500 | |
| Tenant Improvment | Blanket permit tenant improvements to office space for WeWork on the 15-18 floors per plans. | $4,000,000 | |
| Tenant Improvment | TI work to new office space. | $2,800,000 | |
| Addition or alteration | Structural alterations to office spaces on level 14 for training rooms and break room and occupy per plans. | $100,000 | |
| Tenant Improvment | 10 000' Sqr ft TI NEW construction buildout of Power Lighting Mechanical and Life Safety | $250,000 | |
| Tenant Improvment | Non-Structural Blanket Permit TI for Interior work at Madison Centre | $250,000 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations for "First American Title Company" on the 12th and 13th floors per plan. | $1,378,114 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations for tenant demising on the 34th floor per plan. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Tenant improvement on the 27th floor "Schnitzer" per plan. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Tenant improvement on 13th floor "Schnitzer" per plan. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Tenant improvement on the 8th floor "Schnitzer" per plan. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Tenant improvement on 14th floor for "Portent" per plans. | – | |
| Addition or alteration | Construct tenant improvements to existing commercial office high-rise building (Madison Centre) on the 4th 5th and 28th thru 33rd floors occupy per plan. | $17,000,000 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Tenant improvement on the 6th floor for Schnitzer / B&H Architects per plan. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Tenant improvement for "Schnitzer" 4th floor per plans. | – | |
| Addition or alteration | Construct Initial Tenant Improvement for retail business on ground floor of a commercial building occupy per plans. | $476,713 | |
| Addition or alteration | Alterations to SE portion of 23rd floor for board room and assembly seating area accessory to office tenant and occupy per plans. | $100,000 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations. Interior alterations floor 23 per plan. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations on the 4th floor for Schnitzer West. Includes common corridor per plan. | – | |
| Addition or alteration | Construct alterations to existing mixed used building for new interior convenience stair between floors 10 and 11 per plan. | $26,975 | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations to part of the 10th and all of the 11th floor. For EY per plan. | – | |
| Tenant Improvment | Blanket Permit for interior non-structural alterations for Floor 10 Common Corridor per plan. | – | |
| Addition or alteration | Initial tenant improvement to portions of 1st 2nd and 3rd floor common areas of future office building (Madison Centre) including fitness center meeting rooms and lounge areas and… | $3,025,620 | |
| Demolition | Demo two existing 3-story commercial structures per plan and subject to field inspection" (Excavation/shoring 6148655 MUP 3006834) | – | |
| New | Shoring and Excavation only for construction of a high-rise/ office retail and below grade parking structure. | $7,000,000 |
Checked 2026-10-01 03:56 UTC against City of Seattle open data. Markdown · JSON