| Fifteen Twenty-One Second Avenue | |
| Alternate Names: | 1521 Second |
| Location: | Seattle, Washington |
| Coordinates: | 47.6093°N -122.3395°W |
| Map Type: | Seattle WA Downtown |
| Start Date: | 2007 |
| Completion Date: | 2008 |
| Building Type: | Residential |
| Roof: | 134m (440feet) |
| Floor Count: | 32 |
| Architect: | Weber Thompson |
| References: | [1] |
Fifteen Twenty-One Second Avenue is a 134m (440feet) residential skyscraper in Seattle, Washington. Designed by Weber Thompson, the 38-story tower contains 143 individual condominium homes.[2] The building is located near the historic Pike Place Market. Construction was completed in late 2008.