99 Summer Street is a 20-story, class A office tower offering three floor plate configurations: 19,000 square feet (low-rise), 15,000 square feet (mid-rise), 11,000 square feet (high-rise). The building’s flexible floor plates accommodate both open plan and private office layouts of varying sizes.
| Floor | Suite | RSF | Available |
|---|---|---|---|
| 20 | 2010 | 3,510 | Now |
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| 16 | 1660 | 4,589 | Now |
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| 14 | 1400 | 13,731 | Now |
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| 13 | 1300 | 13,148 | Now |
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| 12 | 1200 | 14,759 | 12/1/23 |
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| 11 | 1100 | 5,354 | 1/1/24 |
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| 11 | 1140 | 5,620 | Now |
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| 9 | 900 | 14,827 | Now |
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| 5 | 510 | 4,346 | Now |
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| 3 | 300 | 17,808 | 3/1/24 |
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| Lobby | L120 | 671 | Now |
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