Top 10 Largest Office Buildings
in King County
| Office building | Address | Sqft | Year built |
|---|---|---|---|
| Microsoft Redmond Main Campus | 16255 NE 36th Way, 98052 | 3,786,070 | 1982 |
| Microsoft World Headquarters - West Campus | 15291 NE 40th Street, 98052 | 2,525,860 | 1973 |
| Starbucks Center | 2401 Utah Avenue South, 98134 | 2,100,000 | 1992 |
| Columbia Center | 701 5th Avenue, 98104 | 1,527,101 | 1985 |
| Rainier Square Tower | 411 Union Street, 98101 | 1,200,000 | 2021 |
| Two Union Square | 601 Union St., 98101 | 1,176,378 | 1989 |
| Rufus 2.0 - Block 19 | 2101 7th Avenue, 98121 | 1,130,790 | 2016 |
| 1201 Third | 1201 3rd Avenue, 98101 | 1,128,575 | 1988 |
| Two Union Square | 601 Union Street, 98101 | 1,126,428 | 1989 |
| Rufus 2.0 - Block 14 | 2021 7th Avenue, 98121 | 1,090,000 | 2016 |
Largest Office Properties Recently Completed
in King County
| Office building | Address | Sqft | Year built |
|---|---|---|---|
| Rainier Square Tower | 411 Union Street, 98101 | 1,200,000 | 2021 |
| 999 Lake Drive - Expansion | 999 Lake Drive, 98027 | 620,000 | 2021 |
| Expedia Corporate Campus - Expansion - Phase II | 1111 Expedia Group Way, 98119 | 600,000 | 2021 |
| The First Light | 2000 3rd Avenue, 98121 | 548,951 | 2021 |
| Dexter Yard | 700 Dexter Avenue North, 98109 | 500,000 | 2021 |
| Amazon - Block 18 | 2205 7th Avenue, 98121 | 477,000 | 2021 |
| Summit III | 320 108th Avenue NE, 98004 | 372,000 | 2021 |
| 520 Westlake | 520 Westlake Avenue North, 98109 | 372,000 | 2021 |
| One Esterra Park | 15550 NE Turing Street, 98052 | 245,000 | 2021 |
| Cascadian | 330 Yale Avenue North, 98109 | 211,066 | 2021 |
News
Apex Capital Investments purchased Grand2 — a 352,000-square-foot, nine-story office building in Tempe, Ariz. — from Lincoln Property Company for $187.5 million, or $534 per square foot. The building is fully leased to DoorDash, the San Francisco-based food delivery behemoth. The deal, which was...
Cushman & Wakefield represented the seller of 7000 West at Lantana. Encompassing 136,000 square feet of Class A Austin office space, the property was sold at 100% occupancy.
Key takeaways: More than 2,500 industrial buildings have been converted into office buildings, making it by far the most popular use-type to convert for office use. 90% of all office building adaptive reuses have occurred in the last 40 years. Minneapolis, Portland and Milwaukee join NYC, LA and...