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  1. Office Space
  2. MA
  3. Boston

10 Post Office Square

For Lease 109,854 SF

10 Post Office Square, Boston, MA 02109

Rental Details

  • Number of spaces 15
  • Total square feet available 109,854 SF
  • For Lease Price on request
  • Space Type General Office
  • Latest Update Aug 12, 2026
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15 Spaces Available

Space Name Space Type Lease Rate Total Space Floor Lease Type Expand
10 Post Office Square North #625 General Office Price on request 6,747 SF 6 -

10 Post Office Square North #625

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

6,747 SF

Floor

6

Divisible Space

6,747 - 6,747 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North #990 General Office Price on request 2,828 SF 9 -

10 Post Office Square North #990

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,828 SF

Floor

9

Divisible Space

2,828 - 2,828 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North 2nd Floor General Office Price on request 13,940 SF 2 -

10 Post Office Square North 2nd Floor

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

13,940 SF

Floor

2

Divisible Space

13,940 - 13,940 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North 3rd Floor General Office Price on request 16,225 SF 3 -

10 Post Office Square North 3rd Floor

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

16,225 SF

Floor

3

Divisible Space

16,225 - 16,225 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North 5th Floor General Office Price on request 4,790 SF 5 -

10 Post Office Square North 5th Floor

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

4,790 SF

Floor

5

Divisible Space

4,790 - 4,790 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North 6th Floor General Office Price on request 707 SF 6 -

10 Post Office Square North 6th Floor

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

707 SF

Floor

6

Divisible Space

707 - 707 SF

Available Date

30 Days

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North 9th Floor General Office Price on request 735 SF 9 -

10 Post Office Square North 9th Floor

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

735 SF

Floor

9

Divisible Space

735 - 735 SF

Available Date

30 Days

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North Mezzanine General Office Price on request 7,880 SF - -

10 Post Office Square North Mezzanine

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

7,880 SF

Divisible Space

7,880 - 7,880 SF

Available Date

30 Days

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 10th Floor General Office Price on request 14,996 SF 10 -

10 Post Office Square South 10th Floor

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

14,996 SF

Floor

10

Divisible Space

14,996 - 14,996 SF

Available Date

Nov 1, 2026

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 11th Floor General Office Price on request 3,556 SF 11 -

10 Post Office Square South 11th Floor

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

3,556 SF

Floor

11

Divisible Space

3,556 - 3,556 SF

Available Date

30 Days

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 11th Floor General Office Price on request 5,432 SF 11 -

10 Post Office Square South 11th Floor

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

5,432 SF

Floor

11

Divisible Space

5,432 - 5,432 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 2nd Floor General Office Price on request 18,499 SF 2 -

10 Post Office Square South 2nd Floor

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

18,499 SF

Floor

2

Divisible Space

18,499 - 18,499 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 5th Floor General Office Price on request 3,570 SF 5 -

10 Post Office Square South 5th Floor

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

3,570 SF

Floor

5

Divisible Space

3,570 - 3,570 SF

Available Date

30 Days

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 7th Floor General Office Price on request 3,223 SF 7 -

10 Post Office Square South 7th Floor

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

3,223 SF

Floor

7

Divisible Space

3,223 - 3,223 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 7th Floor General Office Price on request 6,726 SF 7 -

10 Post Office Square South 7th Floor

Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

6,726 SF

Floor

7

Divisible Space

6,726 - 6,726 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North #625

Space Type
General Office
Lease Rate
Price on request
Total Space
6,747 SF
Floor
6
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

6,747 SF

Floor

6

Divisible Space

6,747 - 6,747 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North #990

Space Type
General Office
Lease Rate
Price on request
Total Space
2,828 SF
Floor
9
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

2,828 SF

Floor

9

Divisible Space

2,828 - 2,828 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North 2nd Floor

Space Type
General Office
Lease Rate
Price on request
Total Space
13,940 SF
Floor
2
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

13,940 SF

Floor

2

Divisible Space

13,940 - 13,940 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North 3rd Floor

Space Type
General Office
Lease Rate
Price on request
Total Space
16,225 SF
Floor
3
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

16,225 SF

Floor

3

Divisible Space

16,225 - 16,225 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North 5th Floor

Space Type
General Office
Lease Rate
Price on request
Total Space
4,790 SF
Floor
5
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

4,790 SF

Floor

5

Divisible Space

4,790 - 4,790 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North 6th Floor

Space Type
General Office
Lease Rate
Price on request
Total Space
707 SF
Floor
6
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

707 SF

Floor

6

Divisible Space

707 - 707 SF

Available Date

30 Days

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North 9th Floor

Space Type
General Office
Lease Rate
Price on request
Total Space
735 SF
Floor
9
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

735 SF

Floor

9

Divisible Space

735 - 735 SF

Available Date

30 Days

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square North Mezzanine

Space Type
General Office
Lease Rate
Price on request
Total Space
7,880 SF
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

7,880 SF

Divisible Space

7,880 - 7,880 SF

Available Date

30 Days

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 10th Floor

Space Type
General Office
Lease Rate
Price on request
Total Space
14,996 SF
Floor
10
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

14,996 SF

Floor

10

Divisible Space

14,996 - 14,996 SF

Available Date

Nov 1, 2026

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 11th Floor

Space Type
General Office
Lease Rate
Price on request
Total Space
3,556 SF
Floor
11
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

3,556 SF

Floor

11

Divisible Space

3,556 - 3,556 SF

Available Date

30 Days

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 11th Floor

Space Type
General Office
Lease Rate
Price on request
Total Space
5,432 SF
Floor
11
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

5,432 SF

Floor

11

Divisible Space

5,432 - 5,432 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 2nd Floor

Space Type
General Office
Lease Rate
Price on request
Total Space
18,499 SF
Floor
2
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

18,499 SF

Floor

2

Divisible Space

18,499 - 18,499 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 5th Floor

Space Type
General Office
Lease Rate
Price on request
Total Space
3,570 SF
Floor
5
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

3,570 SF

Floor

5

Divisible Space

3,570 - 3,570 SF

Available Date

30 Days

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 7th Floor

Space Type
General Office
Lease Rate
Price on request
Total Space
3,223 SF
Floor
7
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

3,223 SF

Floor

7

Divisible Space

3,223 - 3,223 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

10 Post Office Square South 7th Floor

Space Type
General Office
Lease Rate
Price on request
Total Space
6,726 SF
Floor
7
Space Type

General Office

Lease Rate

Price on request

Additional Rent

Price on request

Total Space Available

6,726 SF

Floor

7

Divisible Space

6,726 - 6,726 SF

Available Date

Immediate

Renewal Option

Yes

Sublease

No

Turnkey

No

Contacts

broker
Bryan Sparkes

Jones Lang LaSalle

broker
Dan Cavanaugh

Jones Lang LaSalle

broker
Roger Breslin

Jones Lang LaSalle

Building Details

  • For Lease Price on request
  • Property Type Office - General Office
  • Property Size 451,947 SF
  • Lot Size 0.82 Acre
  • Additional Rent Price on request
  • Property Tenancy Multi-Tenant
  • LEED Certified Gold
  • Building Class A
  • Year Built 1920
  • Date Updated Aug 12, 2026

Location

  • City Boston, MA
  • Neighborhood Downtown - Financial District
  • Zip Code 02109
  • Market Boston
  • Map
  • Street
  • Walk score 99/100 Walker's Paradise
  • Transit score 100/100 Rider's Paradise
  • Bike score 85/100 Very Bikeable
Powered by Walk Score ®

Points of Interest

Downtown Crossing

0.28 miles

South Station

0.32 miles

Green Line (Inbound) | Red Line (All Trains)

0.33 miles

Park Street

0.35 miles

Boylston

0.54 miles

North Station

0.54 miles

Tufts Medical Center

0.68 miles

Broadway

1.05 miles

Back Bay

1.20 miles

Boston Back Bay

1.20 miles

ChargePoint

0.09 miles

JuiceBar

0.69 miles

Shell

1.07 miles

Southie Gas

1.11 miles

Tesla Supercharger

1.33 miles

Tesla Destination Charger

1.35 miles

The Colonnade Hotel

1.51 miles

Shell - Nouria

1.55 miles

Gulf

1.82 miles

Mobil

1.94 miles

The Garage at Post Office Square

0.09 miles

75 State Street Parking Garage

0.10 miles

60 State Street Parking Garage

0.14 miles

Pi Alley Parking Garage

0.15 miles

One Center Plaza Parking Garage

0.24 miles

Harbor Garage

0.26 miles

Dock Square Parking Garage

0.26 miles

Center Plaza Garage

0.34 miles

Haymarket Garage Parcel 7

0.36 miles

Lafayette Garage

0.39 miles

Avis

0.24 miles

Alamo

0.25 miles

Zipcar

0.33 miles

Hertz Rent a Car Returns

1.43 miles

Alamo Car Rental Return

1.45 miles

Enterprise Rent-a-Car Returns

1.45 miles

National Car Rental Returns

1.45 miles

Budget Car Rental Returns

1.45 miles

SIXT Rent a Car Boston Int Airport

1.50 miles

Enterprise

1.57 miles

Boloco

0.04 miles

Dunkin'

0.07 miles

Flame Cafe

0.07 miles

Casa Razdora

0.07 miles

Villa Mexico Cafe

0.08 miles

Max's Deli Cafe

0.08 miles

Grana

0.09 miles

Subway

0.09 miles

Wheelhouse

0.10 miles

Falafel King

0.11 miles

Pepper Palace

0.16 miles

Marshalls

0.18 miles

TJ Maxx

0.19 miles

Roche Bros.

0.26 miles

Macy's

0.30 miles

Target

0.41 miles

Golden Goose Market

0.41 miles

Uvida Shop

0.42 miles

Jia Ho Supermarket

0.56 miles

Trader Joe's

0.58 miles

CVS Pharmacy

0.16 miles

Boston Fire Department Engine 10

0.22 miles

Carbon Health

0.27 miles

North End Rehabilitation and Healthcare Center

0.36 miles

State Police Government Center

0.36 miles

Boston Police Department Area A-1

0.38 miles

Rite Aid

0.43 miles

Erich Lindemann Mental Health Center

0.55 miles

Ophthalmic Consultants of Boston

0.55 miles

Boston Fire Department Engine 4, Ladder 24

0.56 miles

Listing Summary

  • Office Space Available at 10 Post Office Square

    Office space currently available at 10 Post Office Square adds up to a total of 109,854 square feet across 15 listing(s). The largest individual space listed offers 18,499 square feet. Property use types available for lease at this property include: general office.

  • Learn More about 10 Post Office Square

    10 Post Office Square is located in the Boston market and pertains to the 02109 zip code. The property incorporates a total of 109,854 square feet of space. 10 Post Office Square was built in 1920.

    Interested in researching more about this property? Access in-depth research on 10 Post Office Square, including ownership details, transaction history, property characteristics, taxes, mortgage data, violations and more by creating a free account and viewing the full property report.

  • Get to Know the Neighborhood

    In the Downtown - Financial District neighborhood, where 10 Post Office Square is located, you can currently find 423 office space(s) for rent. In total, this amounts to 4,219,954 square feet of available office space for lease opportunities.

Contact 10 Post Office Square
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