A Landmark
In Luxury
Building Overview
10 Post Office Square is a landmark 14-story office building located in the epicenter of Boston’s Financial District, adjacent to Post Office Square Park. This trophy office building was built in 1924 and renovated by Synergy in 2017. The building is currently undergoing another extensive renovation that will bring a new suite of amenities, including a new lobby, fitness center with locker-rooms & showers, conference center, luxurious tenant lounge and new restaurant concept.
10 Post Office Square’s location also provides premier accessibility for commuters as it accesses public transportation to all MBTA’s lines at State Street (Blue and Orange Lines), Downtown Crossing (Red and Orange Lines), Park Street (Green and Red Lines) and Commuter Rail and Amtrak access at North Station and South Station. There is also swift accessibility to Interstate 90 (Massachusetts Turnpike), Interstate 93 and Logan International Airport.
Rentable Area
451,947 sf
Total floors
14
Year Built
1924
Year Renovated
2025
Location
The Neighborhood
Restaurants
(1) Starbucks | (2) Tatte Bakery | (3) Bostonia Public House | (4) Mariel | (5) Sweetgreen | (6) GRECO | (7) Chipotle | (8) DIG | (9) B.GOOD | (10) Yvonne’s | (11) Avana Sushi | (12) Caffé Nero
Lifestyle & Entertainment
(13) New England Aquarium | (14) Barry’s Bootcamp | (15) Equinox | (16) Planet Fitness
Hotels
(17) Hyatt Regency | (18) The Ritz-Carlton | (19) The Langham
New Amenities – Coming Fall 2025
A major building renovation is currently underway at 10 Post Office Square that will bring the following amenities to the building:
Renovated Building Entrance
New Main Lobby
Elevator Lobby & Reception Seating
New 1st Floor Lounge Seating
Tenant-Only Amenity Floor
Conference Center
Executive Board Room
Multi-Purpose Training Room
Exclusive Tenant-Only Lounge
State-of-the-Art Fitness Center
Yoga & Fitness Class Studio
Locker Rooms with Showers
Updates to Mariel Restaurant
New Luxurious
Restaurant Concept
Private Members Club
Gallery
Leasing Availability
| Overview | Size | Condition | Lease Type | Availability | Asking Rent | Media Gallery | |
|---|---|---|---|---|---|---|---|
| 6,368 sf | - | direct |
Now
|
$62 sf/yr | View Details | ||
| 2,588 sf | pre-existing | direct |
Now
|
- | View Details | ||
| 3,434 sf | pre-existing | direct |
Now
|
$62 sf/yr | View Details | ||
| 8,102 sf | - | direct |
Now
|
- | View Details | ||
Partial S6, Suite S610
|
2,651 sf | pre-existing | direct |
Now
|
- | View Details | |
Partial S11th, Suite S1125 - South Tower |
5,432 sf | pre-existing | direct |
2026-03-01
|
- | View Details | |
Entire N2, Suite N200
|
13,116 sf | - | direct |
Now
|
- | View Details | |
Entire N3, Suite N300
|
16,187 sf | core and shell | direct |
Now
|
- | View Details | |
Entire N5, Suite N510
|
12,517 sf | - | direct |
Now
|
- | View Details | |
Partial N4, Suite N405
|
5,872 sf | - | direct |
Now
|
- | View Details | |
| 2,828 sf | - | direct |
Now
|
- | View Details | ||
| 3,570 sf | pre-existing | direct |
Now
|
$60 sf/yr | View Details | ||
Partial N4, Suite N400
|
6,896 sf | - | direct |
Now
|
- | View Details | |
| 708 sf | - | direct |
Now
|
- | View Details | ||
Partial N9, Suite N950 |
1,432 sf | pre-existing | direct |
Now
|
$62 sf/yr | View Details |
