- For Lease $19.00 - $23.00/SF/YR
- Property Type Office - General Office
- Property Size 124,658 SF
- Lot Size 0.36 Acre
- Property Tenancy Multi-Tenant
- Building Class A
- Year Built 1970
- Year Renovated 2010
- Date Updated Aug 25, 2026
Description
Close proximity to Portland’s Old Port and working Waterfront.Situated in the heart of the downtown financial and business district, One Monument Square offers stunning views of the city, Casco Bay, and Back Cove.
Enjoy local restaurants such as CERA, David’s, Shay’s, Public Market House, Nura and many more.
Building amenities include a pet-friendly policy, CERA restaurant/café, and brand-new gym.
2,965 – 22,435± SF of Class A office space available for lease.
True
3 Spaces Available
Prime Downtown Retail Space
Space Type
Office
Lease Rate
$19.00/SF/YR
Total Space
1,588 SF
Floor
1
Divisible Space
1,588 - 1,588 SF
Available Date
Immediate
Lease Type
Modified Gross
Renewal Option
Yes
Sublease
No
Second Floor Office
Space Type
General Office
Lease Rate
$23.00/SF/YR
Total Space
9,765 SF
Floor
2
Divisible Space
2,965 - 9,765 SF
Available Date
Immediate
Lease Type
Modified Gross
Renewal Option
Yes
Sublease
No
Third Floor
Space Type
General Office
Lease Rate
$23.00/SF/YR
Total Space
12,670 SF
Divisible Space
12,670 - 12,670 SF
Available Date
Immediate
Lease Type
Modified Gross
Renewal Option
Yes
Sublease
No
Contacts
Claire Richardson
The Boulos Company
Location
Located at 1 Monument Square, Portland, ME 04101, this property is part of the Downtown Portland neighborhood and Portland ME market.
Contact Listing Broker
Claire Richardson
The Boulos Company
