For more than 30 years, Cary Kopczynski & Company (CKC) has provided structural engineering excellence for major projects throughout the United States and beyond. CKC focus on major urban projects include – multifamily residential buildings, office buildings, hotels, retail, parking structures, and more. CKC is based in Seattle with offices in Chicago, San Francisco and Los Angeles. CKC‘s engineering designs have received more than 60 awards of excellence from national trade and professional associations. A testimony to the ability to consistently provide engineering excellence. CKC’s passion for innovation and new technology, combined with our extensive experience, inspires cutting edge structural designs that lead the industry. CKC designs also reflect a keen understanding of the most efficient construction techniques, which makes them more buildable and cost-effective.
Structural Design
Please note that all heights shown in italics/red are estimated heights. These have been calculated based on known floor counts for the building, then extrapolated through analyzing typically hundreds of buildings of the same function on this database that do have confirmed heights. The user should be aware that non-standard building features, such as significant spires or raised entrances / podiums, may affect the accuracy of these estimations.
|
RANK
|
Name
|
Completion
|
Height
|
Floors
|
Function
|
|
|---|---|---|---|---|---|---|
| 1 | The Ayer | Seattle | 2023 |
148 m / 484 ft |
46 | Residential |
| 2 | Seattle House North Tower | Seattle | 2026 |
142 m / 465 ft |
45 | Residential |
| 2 | Seattle House South Tower | Seattle | 2026 |
142 m / 465 ft |
45 | Residential |
| 4 | 400 Lincoln Square | Bellevue | 2017 |
139 m / 457 ft |
32 | Office / Retail |
| 5 | 500 Lincoln Square | Bellevue | 2017 |
139 m / 456 ft |
41 | Residential / Hotel |
| 6 | Premier on Pine | Seattle | 2015 |
135 m / 444 ft |
39 | Residential |
| 7 | Sloane | Seattle | 2026 |
134 m / 440 ft |
45 | Residential |
| 8 | Arrive | Seattle | 2019 |
134 m / 440 ft |
41 | Residential / Hotel |
| 9 | Kiara | Seattle | 2018 |
134 m / 440 ft |
40 | Residential |
| 10 | Circa Tower 1 | Los Angeles | 2018 |
124 m / 406 ft |
35 | Residential |
Please note that all heights shown in italics/red are estimated heights. These have been calculated based on known floor counts for the building, then extrapolated through analyzing typically hundreds of buildings of the same function on this database that do have confirmed heights. The user should be aware that non-standard building features, such as significant spires or raised entrances / podiums, may affect the accuracy of these estimations.
|
RANK
|
Name
|
Completion
|
Height
|
Floors
|
Function
|
|
|---|---|---|---|---|---|---|
| 1 | The Ayer | Seattle | 2023 |
148 m / 484 ft |
46 | Residential |
| 2 | Seattle House North Tower | Seattle | 2026 |
142 m / 465 ft |
45 | Residential |
| 2 | Seattle House South Tower | Seattle | 2026 |
142 m / 465 ft |
45 | Residential |
| 4 | 400 Lincoln Square | Bellevue | 2017 |
139 m / 457 ft |
32 | Office / Retail |
| 5 | 500 Lincoln Square | Bellevue | 2017 |
139 m / 456 ft |
41 | Residential / Hotel |
| 6 | Premier on Pine | Seattle | 2015 |
135 m / 444 ft |
39 | Residential |
| 7 | Sloane | Seattle | 2026 |
134 m / 440 ft |
45 | Residential |
| 8 | Arrive | Seattle | 2019 |
134 m / 440 ft |
41 | Residential / Hotel |
| 9 | Kiara | Seattle | 2018 |
134 m / 440 ft |
40 | Residential |
| 10 | Circa Tower 1 | Los Angeles | 2018 |
124 m / 406 ft |
35 | Residential |
| 10 | Circa Tower 2 | Los Angeles | 2018 |
124 m / 406 ft |
35 | Residential |
| 12 | 1900 Broadway | Oakland | 2024 |
120 m / 395 ft |
39 | Residential |
| 13 | Escala | Seattle | 2009 |
110 m / 360 ft |
30 | Residential |
| 14 | Cosmopolitan | Seattle | 2007 |
101 m / 330 ft |
33 | Residential |
| 15 | Belltown 36 | Seattle | 2024 |
99 m / 325 ft |
30 | Residential |
| 16 | The Vermont West Tower | Los Angeles | 2014 |
97 m / 319 ft |
29 | Residential |
| 17 | Byline | Portland | 2025 |
82 m / 269 ft
Please note that this height is estimated, based on a floor count of 24 floors. The estimation has been arrived at by analyzing 9,950 other buildings of the same Residential function on this database that do have confirmed heights. The user should be aware that non-standard features, such as significant spires or raised entrances / podiums, may affect the accuracy of this estimation.
|
24 | Residential |
| 18 | 901 Harrison Street | Seattle | - |
81 m / 265 ft |
25 | Residential / Retail |
| 19 | Centennial Tower and Court | Seattle | 1991 |
80 m / 262 ft |
27 | Residential |
| 20 | One Pacific Tower | Seattle | 1995 |
79 m / 259 ft |
27 | Residential |
| 21 | The Martin | Seattle | 2013 |
78 m / 255 ft |
23 | Residential |
| 22 | The Vermont East Tower | Los Angeles | 2014 |
75 m / 247 ft |
22 | Residential |
| 23 | Enso at 2201 Westlake | Seattle | 2009 |
63 m / 208 ft |
19 | Residential / Office |
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