Building permits in Seattle, ZIP code 98109
Newest first. Checked 2026-10-01 10:30 UTC.
| Date | Address | Type | Work | Cost |
|---|---|---|---|---|
| 1607 2nd Ave N | Single Family or Duplex | We are removing the current composition shingles. We are planning to replace at least 4 sheets of decking with new 1/2" plywood. We will address any other rotted decking as… | $27,000 | |
| 1201 Mercer St | Addition or alteration | Construct like-for-like repairs to units 602 502 402 and 302 for smoke and water damage subject to field inspection (STFI) | $150,000 | |
| 1722 4th Ave N | Addition or alteration | Construct substantial alterations and additions to existing one-family dwelling per plan | $560,475 | |
| 1716 4th Ave N | Addition or alteration | Construct interior alterations to kitchen and upper floor bathroom and replace window and door with sliding glass door without any addition or ground disturbance subject to field… | $28,000 | |
| 335 Thomas St | New | Install minor communication "small cell node" utility pole (Verizon) per plan. | $70,000 | |
| 701 Dexter Ave N | Addition or alteration | Change use from office to laboratory and lab support per land use code. Construct interior non-structural tenant improvements to Level 6 shell and core office space and occupy per… | $3,980,000 | |
| 1120 Denny Way | Addition or alteration | Change of use from general sales and services to medical services per land use code. Construct initial tenant improvements to existing commercial building at ground level suite 8… | $390,000 | |
| 400 Westlake Ave N | Addition or alteration | Construct tenant improvements in commercial building on Levels 9 & 13 per plan. | $915,038 | |
| 300 Boren Ave N | Addition or alteration | Construct tenant improvement project at 300 Boren Ave N for removal of existing demountable partial-height partitions and installation of demountable full-height partitions and… | $30,000 | |
| 333 Boren Ave N | Addition or alteration | Construct tenant improvement to existing office space subject to field inspection STFI. | $450,500 | |
| 2466 Westlake Ave N | New | Construct one-family floating home at slip #6 of commercial marina [THOMPSON BUILDING] per plan. | $509,019 | |
| 399 Fairview Ave N | Addition or alteration | Construct tenant improvement project at 399 Fairview Ave. N to reconfiguring full-height demountable partitions in existing office space subject to field inspection STFI. | $8,000 | |
| 1213 Valley St | Addition or alteration | Construct alterations in existing medical office building at level 1 per plan. | $915,000 | |
| 399 Fairview Ave N | Addition or alteration | Construct tenant improvement for North portion of level 4 of office space subject to field inspection STFI. | $5,000 | |
| 440 5th Ave N | Addition or alteration | Construct tenant improvements to existing commercial building (Gates Foundation Discover Center Gallery 6) per plan. | $100,000 | |
| 399 Fairview Ave N | Addition or alteration | Construct Tenant Improvement Project at 399 Fairview Ave N. Installation of full-height demountable partition walls and installation of associated ceiling track systems subject to… | $5,000 | |
| 170 Prospect St | Addition or alteration | Construct substantial alterations to one-family dwelling per plan. | $250,000 | |
| 400 9th Ave N | Addition or alteration | Construct tenant improvement to portion of L - 12 office space in a commercial building per subject to field inspection STFI. | $45,000 | |
| 120 Westlake Ave N | Addition or alteration | Construct alterations and additions for minor telecommunications antenna facility (TMobile) at the roof top to existing mixed-use building per plan. | $75,000 | |
| 200 Sue Bird Ct N | Addition or alteration | Construct tenant improvements to concession area of IMAX theater per plan. Mechanical included this permit. | $148,415 | |
| 380 Boren Ave N | Addition or alteration | Construct tenant improvements to expand classroom use in commercial building at NW corner of 1st floor (for Jazzed) occupy per plan. | $240,000 | |
| 535 Terry Ave N | Addition or alteration | Construction of security vestibules in parking garage of a mixed use building per plan. | $100,000 | |
| 1151 Fairview Ave N | Addition or alteration | Construct alterations to existing commercial building at 1st floor per plan. | $5,000 | |
| 202 Westlake Ave N | Addition or alteration | Construct interior only tenant improvement on Level 5 to install (2) phone booths. Subject to field inspection-STFI | $15,000 | |
| 202 Westlake Ave N | Tenant Improvment | Construct blanket permit tenant improvements to Amazon SEA37 on the fifth floor of existing commercial building per plan. | $287,185 |