Portfolio.

117 Beacon Street

Located on the second block of Beacon Street in prominent Back Bay, 142 Beacon Street is an extremely rare river front property with breathtaking long views of the Charles River Esplanade.

142 Beacon Street

A luxuriously renovated home by Mainsail Management and Grassi Design Group, offering a blend of modern and traditional finishes across four floors.

170 West Brookline Street 
94 Chestnut Street

Nestled in Boston’s prestigious Beacon Hill neighborhood, standing proudly on the coveted Flat of the Hill. This two-family building underwent an artful restoration.

This contemporary 3 family home in Bay Village stands out in its neighborhood with its unique design. Featuring a two-story glass wall in the penthouse, it is bathed in natural light.

11 Melrose Street
476 Beacon Street

After years of dedicated effort, this 12-unit rental building was acquired just before Christmas 2012. The transformation began in the summer of 2013, following the relocation of existing tenants.

99 Tremont Street 

A new construction condominium building, is a collaborative project with Saracen Properties.

This graceful South End Brownstone, originally a single-family residence, has been thoughtfully transformed into two exquisite condominiums.

166 West Brookline St
67 Botolph St

The property is a 5 story building that features 4 luxury residences. The building has new custom windows and exterior doors by Marvin, the interiors feature white oak flooring throughout and an impeccable attention to detail.

Custom designed for two home owners. Mainsail prides itself on executing the fine details for those designing their dream home.

60 W. Ruthland Sq

Pembroke Street, renowned as one of the most charming Victorian streets in the South End, is home to this exquisite building.

89 Pembroke St
39 Greenwich Park

A hidden gem, was acquired off-market and presented a unique opportunity. Although it had been recently renovated, it suffered extensive damage due to a significant fire

25 Concord Square underwent a comprehensive gut renovation, revealing a lower triplex with 3 bedrooms and 3.5 bathrooms, and an upper duplex with 3 bedrooms and 2.5 bathrooms.

25 Concord Sq

Other Projects

In the planning Stage:
70 Condominiums 75 Tremont Street, Brighton 
46 Beacon Street, Boston
Under Construction:
30 Concord Square, Boston South End – 2 Luxury Condos
67-71 W Cedar Street, Boston Beacon Hill – 5 Luxury Condos
2A 4A Milford Street, South End – 4 Luxury Condos
69 Bailey Street, Dorchester – 21 Rental Apartments
A list of Developments in the Past 10 years: 
563-567 Columbus Avenue, Boston South End – 9 Luxury Condos
69 Montgomery St, South End, Boston - 3 Luxury Condos
142 Beacon Street, Back Bay, Boston - 3 Luxury Condos
35 Concord Square, South End, Boston – 2 Luxury Condos
99 Tremont Street, Brighton – 62 New Construction Condos
170 W. Brookline, South End, Boston – Single Family Residence
94 Chestnut Street, Beacon Hill, Boston – 2 Luxury Condos
67 St. Botolph Street, Back Bay, Boston – 4 Luxury Condos 
178 Thornton Street – New Construction Roxbury, Boston 4 New Condos
166 W. Brookline St. South End, Boston – 2 Luxury Condos
89 Pembroke St, South End, Boston – 2 Luxury Condos
11A Melrose Street, Bay Village Boston - 4 Luxury Condos
60 W. Rutland Square – South End, Boston – 2 Luxury Condos
39 Greenwich Park, South End, Boston – Single Family Residence
761 Harrison Avenue, South End, Boston. Immaculate Conception Church, Purchased, permitted for 60 apartments and sold. 
25 Concord Square, South End, Boston – 2 Luxury Condos
156 W. Concord St, South End, Boston – 2 Luxury Condos
117 Beacon Street, Back Bay, Boston – 2 Luxury Condos
517-519 Shawmut Ave, South End, Boston – 4 Ground up luxury condos
25 Alton Court, Brookline – 4 Luxury Condos
105 Winthrop Road, Brookline – 4 Luxury Condos
476 Beacon Street, Back Bay Boston – 4 Luxury Condos
18 Greenwich Park, South End, Boston – 2 Luxury Condos
53 Dwight Street, South End, Boston – 2 Luxury Condos 
313 Commonwealth Avenue, Back Bay, Boston – 3 Luxury Condos
51 Massachusetts Avenue, Back Bay Boston
132 Marlborough Street, Back Bay Boston
168 W. Brookline Street, Back Bay Boston 2 Luxury Condos
195 Beacon Street, Back Bay Boston 
273 Beacon Street, Back Bay Boston
353 Beacon Street, Back Bay, Boston
249 Newbury Street, Back Bay Boston 2 Luxury Condos and 2 Commercial Condos