Seaport comparable Class A buildings include 121 Seaport Boulevard, 10 World Trade.
Seaport comparable Class A buildings include 121 Seaport Boulevard, 10 World Trade.
**121 Seaport Boulevard** **10 World Trade**
| city | Boston |
|---|---|
| submarket | Seaport |
| tier | trophy |
| averageRentLocal | $85/sqft/yr |
| cityClassARentUsd | $78/sqft/yr |
| cityVacancyPct | 19.5% |
| comparableCount | 2 |
Reviewed by Miriam Hollander — Lead market analyst. Last updated 2026-04-15. See our methodology and editorial standards.