Development
Dozens of major redevelopments since 2000, representing billions of dollars invested, have created a 24/7 neighborhood in the Downtown Boston Alliance area. Many new projects, representing hundreds of millions of dollars in investments, are planned or currently underway within our 34-square-block neighborhood. For an inventory of major developments in the area over the past five years, visit here.
being Built
31 Milk Street
Dinosaur Capital began conversion of this 11-floor, 95,037 sq.-ft. office property into an apartment complex consisting of 110 residential units in early 2026. The ground-floor retail unit is slated to be preserved.
101 TRemont Street
Suffolk University launched the conversion of this 11-story, 88,265 sq.-ft. office property into a student dormitory consisting of 280 beds in summer 2025. The majority of the current ground-floor retail use is slated to be preserved.
125 Tremont Street
The Holocaust Legacy Foundation began construction on its six-story, 32,700-sq.-ft. museum, dedicated to raising awareness about the Holocaust, in summer 2024. With demolition now complete and the tower rising, the museum is slated to open in late 2026.
Approved
9 Hamilton Place
In November 2022, the Planning Department approved City Realty Group’s 9 Hamilton Place proposal, which calls for a 12-story, 155-foot, 38,400 sq-ft. boutique hotel consisting of 80 rooms. The proposal additionally calls for an 800 sq.-ft. street-level patio/cafe, with streetscape improvements in the immediate adjacent area.
1 StATE STREET
Geraghty Associates’ 1 State Street proposal calls for a residential conversion of the preexisting office property into a 47,000 sq.-ft. apartment complex containing 75 units (of which 13 will be dedicated to affordable housing). The preexisting ground-floor retail use is slated to be preserved.
15–19 Congress Street
In May 2019, the Planning Department approved Hemisphere Development Group’s proposal to renovate the 48,800 sq.-ft. property into a 116-room boutique hotel including 3,100 sq.-ft. of retail space. Harbinger Development acquired the property and development rights in April 2022 and intends to launch the development soon.
85 Devonshire Street
KS Partners’ Planning Department-approved proposal will renovate 85 Devonshire Street (along with abutting 258-268 Washington Street) into 95 residential apartments (86,700 sq.-ft. of total space), with the nearly 15,800 sq.-ft. of retail space at the base of the buildings to remain as retail.
15 Court Square
KS Partners’ second fully-approved office-to-residential conversion in the DBA area, this project will convert the 11-story, 87,546-sq.-ft. 15 Court Square into an apartment complex consisting of 80 units.
294 Washington street
Synergy’s 294 Washington Street proposal will convert an 11-story office building, situated adjacent to historic Old South Meeting House along Downtown’s famed Freedom Trail, into a 202,000 sq.-ft. residential complex containing 255 apartments.
11 ave. de lafayette
Thibeault Development’s 11 Ave. de Lafayette proposal will convert the preexisting office property into a 40,200 sq.-ft. apartment complex containing 70 units (of which 12 will be dedicated to affordable housing). The preexisting ground-floor retail use is slated to be preserved.
Recent Downtown Developments
2026
47 Winter STREET
The 17,920 sq.-ft.., 14-unit residential complex–an office-to-residential conversion completed by SC Alpha in summer 2026–consists of a blend of 3-bedroom and 4-bedroom apartments.
2025
44 BROMFIELD STREET
The 43,000 sq.-ft., 57-unit residential complex–an office-to-residential conversion completed by Thibeault Development in fall 2025–consists of a blend of studios, 1-bedroom, and 2-bedroom apartments.
55 Summer STREET
Phase 3 Partners completed its 55 Summer Street renovation in summer 2025. It converted the preexisting ten-story, 115,000 sq.-ft. office tower into a Level 1/Level 2 life-sciences use, including new bike facilities and significant enhancements to the 55 Summer Street Plaza.
2023
Winthrop Center
MP Boston’s 53-story mixed-use tower–at 691-feet, the fourth-tallest pinnacle in Boston–includes 317 residential units occupying 573,000 sq.-ft., 772,000 sq.-ft. of commercial space, a 550-space parking garage, a 12,000 sq.-ft. Connector lobby space, and an additional 28,000 sq.-ft. of restaurant/retail amenities. The project’s public benefits include a complete redesign and renovation of historic Winthrop Square Park.
2022
110 Chauncy Street
MCRE Partners, in partnership with 110 Chauncy Street’s flagship tenant, global design firm Sasaski, completed a full renovation of the property. Sasaki, with 250 employees, launched renovations of the property in spring 2021, and relocated to the newly-renovated space in early 2022. Renovations included the design/build-out of new office interiors, a roof deck, along with redesigning the lobby, retail space, and entrance.
11 Ave. de Lafayette
Simultaneous with its renovation of 110 Chauncy Street, MCRE Partners undertook a renovation of 11 Ave. de Lafayette (the former Road Scholars headquarters). The renovation of the 5-story, 58,000 sq.-ft. property included: new entries and lobbies in the front and rear; cosmetic improvements to corridors and restrooms; and the exposing of many of the wood-and-brick features of the original construction in tenant spaces.
High Street Place
Rockpoint Group/Rockhill Management renovated the lobby space that connects 100 High Street with 160 Federal Street to create High Street Place, a new food hall. High Street Place features 22 separate food kiosks showcasing local vendors, with seating for 400, and opened in March 2022.
2021
10 Winthrop Square
Chevron Partners completed a renovation and modernization of the boutique 6-floor, 26,500-sq.-ft. property, which includes 6,000 sq.-ft. of lower-level retail space, late in 2021.