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Building Success

Since 2000, the DSF Group has invested more than $4.5 billion in multi-family real estate. With offices in Boston and Washington DC, and decades of experience, we strive to create unique, award winning properties designed to provide strong risk-adjusted returns.

 

Experience Engaged


Our three founding partners—Art Solomon, Josh Solomon and Thomas Mazza—are entrepreneurial owners who are passionate about what they do and enjoy being hands-on operators. The DSF Group takes a vested interest in the success of every project and is committed to being there every step of the way.

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Strong Relationships


The partners of the DSF Group are involved on a day-to-day basis with every asset, working and collaborating side-by-side with architects, engineers, city officials, and contractors.  The relationships we’ve established over the years provide us with advantages in sourcing opportunities, negotiating transactions, and navigating complex regulatory environments.

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Meet Our Team


With over 125 years of combined experience in every facet of multi-family real estate investing, the partners bring a unique perspective, level of expertise, and entrepreneurial sensibility that helps maximize opportunities.

Arthur Solomon

Chairman | Chief Executive Officer

Before co-founding the DSF Group in 2000, Arthur was senior partner and head of both real estate investment banking and real estate principal investments at Lazard Frères, the global investment firm. He also served as CEO of Lazard’s five real estate funds.

Prior to Lazard, Arthur founded and served as the senior partner of Drexel Burnham Lambert’s real estate investment banking group. His experience also includes serving as Chief Financial Officer of Fannie Mae, where he created its mortgage-backed securities program, and President/CEO of the Berkshire Group, a national real estate and financial services firm.

Earlier in his career, Arthur was a tenured professor at the Massachusetts Institute of Technology and Executive Director of the Harvard-MIT Joint Center for Urban Studies. He holds a B.A. from Brown University, an M.A. from Trinity College, and a Ph.D. from Harvard University.

Joshua Solomon

President

As Head of DSF Groups investments, Mr. Solomon is in charge of the company’s acquisition and development activities. He also evaluates and negotiates new investment opportunities and manages the business plan of each investment asset. Since the DSF Group’s inception, he has been responsible for more than $4.5 billion in new investments.

Prior to co–founding the DSF Group, Mr. Solomon served as a Vice President in the Partners Group of AEW Capital Management, where his group acquired commercial and multifamily properties throughout the Northeast and Mid–Atlantic United States.

Mr. Solomon is very active in the real estate industry and within his community. He sits on numerous boards and committees such as NAHB’s Multifamily Leadership Board, Heading Home Inc. which pioneered programs to end homelessness in Greater Boston and the Nashoba Brooks School.  Mr. Solomon is also the owner of the Hartford Yard Goats, the AA affiliate of the Colorado Rockies. He lives with his wife Nancy and four children in the Boston area.

 Mr. Solomon earned a B.A. from Northeastern University and an M.B.A. in Real Estate and Urban Land Economics from the University of Wisconsin in Madison.

Thomas Mazza

Chief Operating Officer

As COO and head of Asset and Portfolio Management, Thomas manages the day-to-day operations of the DSF Group, including the financing, management, leasing, and disposition activities for all the firm’s properties.

Before co-founding the DSF Group, Thomas was with AEW Capital Management, where he was Vice President of Acquisitions and Portfolio Management, heading a team responsible for acquiring and managing real estate investments throughout the East Coast. His experience also includes serving as Vice President/Shareholder, Acquisitions and Dispositions at Copley Real Estate Advisors. Thomas is very active in the multi-family industry and within his community in the Boston area. He sits on numerous boards, including the NAHB Multifamily Leadership Board, and he is an active member of the National Multi-Housing Council and ULI.

Thomas is a Chartered Financial Analyst and has a B.A. in mathematics from College of the Holy Cross, as well as an M.B.A. from Boston College.

News & Awards


The DSF Group and the projects it has developed have earned many prestigious industry awards.

 

 

News

DSF Snaps Up Va. Rentals With Upside

September 2024 | Green Street

The DSF Group Acquires Woodway at Trinity Centre Apartments in Centreville, VA

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News

CBRE Arranges Sale of 250-Unit St. Johns Wood Apartment Complex in Reston, Virginia to The DSF Group

January 2024 | CBRE

The DSF Group Acquires St. Johns Wood in Reston, VA

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News

225-Unit Marlborough MF Community Sold for $74M

December 2023 | connectcre

The DSF Group Acquires Talia Apartments in Marlborough, MA

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News

CBRE Arranges the Sale of 246-Unit Halstead Milford

March 2023 | New England Real Estate Journal

The DSF Group Sells 246-Unit Multifamily Community in Milford, CT

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News

Hopkinton Apartment Complex Sold for $82.5M

February 2023

The DSF Group Acquires 240-Unit Apartment Community in Hopkinton, MA

News

DSF Group Sells $200M Westchester County Multifamily High-Rise

August 2022 | Globe Street

The DSF Group Sells the 408-Unit Halstead Station in New Rochelle, NY

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News

CBRE arranges $77M sale of 305-Unit historic renovated Mill Apartment Community in Haverhill, MA to The DSF Group

August 2022 | Yield Pro

305-Unit Apartment Project in MA sold to The DSF Group for $77M

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News

DSF Sells Community in Manchester for New Hampshire Record of $165M

August 2022 | connectcre

The DSF Group Sells 640-Unit Apartment Community for $164.6M

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News

Parsippany apartments fetch $83M in deal involving Harbor Group, DSF affiliates

July 2022 | Real Estate NJ

212-Unit Luxury Apartments in NJ sold to The DSF Group for $82.5M

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News

CBRE Arranges the Sale of a 1,020-Unit Community in Framingham, MA for The DSF Group

April 2022 | CBRE

The DSF Group Sells 1,020-Unit Apartment Community

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News

The DSF Group Acquires 240 Units in Norwalk, CT

April 2022 | New England Real State Journal (NEREJ)

DSF adds Avalon East Norwalk to their portfolio

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News

CBRE Brokers $121.5M Sale of Countryside Village Apartments in Manchester, NH

April 2022 | Real Estate Business Online

DSF Acquires 448 Units in Manchester, NH

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News

The DSF Group Acquires 304 Units in Milford, MA

February 2022 | Connect CRE

The DSF Group Drops $87M for 304-Unit Multifamily in Milford, MA

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News

The DSF Group Acquires 433 Units in Providence, RI

October 2021 | Multi-Housing News

Promenade Apartments sold to DSF Group for $105M

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News

The DSF Group Acquires 256 Units in Burlington, MA

September 2020 | The DSF Group

The DSF Group purchased a 256 unit multifamily community in Burlington, MA

Award

Real Estate Fund Intelligence - REFI US Awards

December 2019 | Real Estate Fund Intelligence 

DSF Group Wins Real Estate Fund Intelligence (REFI) Value-Added Fund Manager of the Year Award

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News

The DSF Group Acquires 1,020 Units in Framingham, MA

June 2019 | Real Estate Fund Intelligence

The DSF Group has acquired a 1,020 Unit apartment complex in suburban Boston

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Award

Real Estate Finance and Investment - Commercial Real Estate Awards

February 2019 | Real Estate Finance and Investment

Halstead New Rochelle, Multifamily Equity Deal of the Year; Finalist

Award

2018 NAIOP Awards

February 2019 | NAIOP Commercial Real Estate Development Association 

Halstead New Rochelle, Westchester County Multifamily Sale of the Year

News

The DSF Group Acquires 640 Units in Manchester, NH

February 2019 | CBRE

The DSF Group purchased Hilltop Ridge and The Highlands, a 640 Unit apartment community located in Manchester, NH

 

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News

The DSF Group Sells Halstead New Rochelle, NJ

December 2018 | HFF

Holliday Fenoglio Fowler, L.P. (HFF) announced that it has represented The DSF Group in the $259.375M sale of Halstead New Rochelle Metro North, 40-story, 588-Unit, Class A apartment tower in New Rochelle, Westchester County, NY

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News

The DSF Group Sells Halstead Dulles

October 2018 | The DSF Group

The DSF Group announced the sale of Halstead Dulles, a 244 Unit,  multifamily community in Herndon, VA

News

The DSF Group Acquires 180 Units in Abington, MA

October 2018 | The DSF Group

The DSF Group purchased a 180 Unit multifamily community located in Abington, MA. 

Award

2018 Multi-Housing News Excellence Awards

October 2018 | Multi-Housing News

Halstead Malden Square, 2018 Best Value-Add Renovation 

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News

The DSF Group Acquires Fairlawn Apartments

July 2018 | CBRE

The DSF Group purchased Fairlawn Apartments, a 347 Unit apartment community located in Boston, MA

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News

The DSF Group Acquires Talleyrand Apartments

March 2018 | CBRE

The DSF Group purchased the Talleyrand Apartments, a 300 unit multifamily community located in Tarrytown, New York.

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News

The DSF Group Sells Halstead Westborough

March 2018 | Multi-Housing News

CBRE/New England's Capital Markets team facilitates the sale of Halstead Westborough to Harbor Group International for $75.8M.

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Award

Real Estate Finance and Investment - Commercial Real Estate Awards

February 2018 | Real Estate Finance and Investment

Halstead Square, Multifamily Equity Deal of the Year; Winner

News

The DSF Group Acquires Avalon Milford

December 2017 | CBRE

The DSF Group purchased the Avalon Milford community for $50.5M, a 246-apartment community located in Milford, CT

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Award

National Association of Home Builders-Pillars of the Industry Awards

October 2017 | NAHB

Halstead Malden Square, 2017 Best Repositioning of a Multifamily Asset; Finalist

Award

National Association of Home Builders-Pillars of the Industry Awards

October 2017 | NAHB

The Lanes at Halstead Square, 2017 Best Community Amentities; Finalist

News

The DSF Group Sells Halstead Danvers, MA

October 2017 | Newmark Knight Frank

Newmark Knight Frank orchestrates $130M transaction of Halstead Danvers on behalf of The DSF Group to Harbor Group International

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News

AvalonBay buys from DSF Group again, this time in Dunn Loring

October 2017 | Washington Business Journal

The DSF Group Sells The Rockwell and The Lanes at Halstead Square.

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News

The DSF Group Sells Halstead Tewksbury, MA

August  2017 | CBRE NE Multifamily Group

CBRE/New England's Capital Markets team announced the sale of Halstead Tewksbury to JRK Property Holdings for $56M

 

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News

The DSF Group Unveils Brand New Amenity Package and Rebranding at Halstead Malden Square

June 2017 | The DSF Group 

The DSF Group announced the grand re-opening of Halstead Malden Square, a transit-oriented multifamily apartment community located within walking distance to the Orange Line MBTA Transit Station just outside of Boston, MA.  The DSF Group purchased the property in 2016 and immediately commenced a complete renovation of the community’s common area amenity spaces and implemented their Halstead brand of high quality amenities and technology. 

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Award

National Association of Home Builders-Pillars of the Industry Awards

October 2016 | NAHB

Halstead Square, 2016 Best Community Amenities 

News

The DSF Group Sells Halstead White Plains

February 2017 | LoHud

The DSF Group sells Halstead White Plains for $34.25M to Ginsburg Development.

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News

The DSF Group Acquires La Rochelle Apartments

November 2016 | Globe Street

The DSF Group purchased the La Rochelle Apartments for $148.5M, a 412-unit, 25-story luxury tower in Westchester County.

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News

The DSF Group Sells Halstead Arlington

October 2016 | Globe Street

The DSF Group sells Halstead Arlington for $102M to Avalon Bay

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News

The DSF Group Acquires the 480 Main Street Apartments

August 2016 | Boston Real Estate Times

CBRE/New England's Capital Markets team announced the sale of 480 Main Street, a 195-unit, 100% market-rate, infill apartment community located in Malden, Massachusetts, to The DSF Group

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News

The DSF Group Sells Halstead 800 Madison

February 2016 | Business Wire 

The DSF Group sells Halstead 800 Madison for $127.9M to Avalon Bay

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Award

National Association of Home Builders-Pillars of the Industry Awards

October 2015 | NAHB

The DSF Group, 2015 Multifamily Development Firm of the Year; Finalist

 

Award

National Association of Home Builders - Best in American Living Awards

October 2015 | NAHB

Halstead Square, 2015 Best Mixed Use Community; Silver Award

Award

Herndon Awards

June 2015 | Best of Herndon

Halstead Dulles, 2015 Best of Herndon Apartment Community

News

The DSF Group Delivers Major Amenity Renovations To The Halstead Danvers Apartment Community

April 2015 | Eagle Tribune

Halstead Danvers holds grand re-opening. 

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News

The DSF Group Acquires Flanders Hill

February 2015 | Commercial Real Estate News

DSF Group has paid $63.5M for Flanders Hill at Westborough, a 280 unit apartment property in the Boston suburb of Westborough, MA.

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Award

Multi-Housing News Excellence Awards

May 2014 | Multi-Housing News

The DSF Group, 2014 Best Development Company of the Year  

Award

Herndon Awards

June 2014 | Best of Herndon

Halstead Dulles, 2014 Best of Herndon Apartment Community
 

Award

National Association of Home Builders - Pillars of the Industry Awards

October 2014 | NAHB

Halstead Square, 2014 Best Mixed-Use Community

Award

National Association of Home Builders - Pillars of the Industry Awards

October 2014 | NAHB

The DSF Group, 2014 Multifamily Development Firm of the Year; Finalist

News

No Picket Fence: Younger Adults Opting to Rent

October 2014 | The New York TImes

Here in suburban Vienna, about 16 miles west of downtown Washington, Joshua Solomon’s DSF Group is remaking a congested but nondescript intersection into a haven for young adults of the millennial generation. Like many other developers who survived the housing bust, he now expects a coming wave of renters who intend to stay that way for a while to help lead the industry to a brighter future.

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News

Rentals Ramp Up - Snapshots of Real Estate News From Around the U.S.

October 2014 | The Real Deal

Construction of multifamily units is now at its highest rate in 25 years, while single-family home construction has barely reached pre-recession levels, the New York Times reported.  

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News

The DSF Group Unveils Brand New Amenity Package and Rebranding at Halstead New Rochelle

August 2014 | The Patch

The DSF Group is proud to announce the Grand Opening of the luxurious amenity spaces at the Halstead New Rochelle Metro North apartment complex in New Rochelle, New York. 

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News

The DSF Group Acquires Avalon Danvers

July 2014 | Commercial Property Executive

DSF Group has acquired Avalon Danvers, a 433-unit multi-family complex in the northeastern Massachusetts town of Danvers, for $108M from Avalon Bay Communities.

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Award

National Association of Home Builders - Pillars of the Industry Awards

October 2013 | NAHB

Halstead Square, 2013 Best Mixed Use Community; Finalist

Award

Herndon Awards

June 2013 | Best of Herndon

Halstead Dulles, 2013 Best of Herndon Apartment Community

News

The DSF Group Acquires 800 Madison Apartments

January 2014 | Mutli Housing News

The DSF Group Acquires a Class A Community in Hoboken, NJ for $107.5M

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News

The DSF Group Acquires Avalon on the Sound East

November 2013 | HFF

HFF closes $210M sale of Avalon on the Sound East in New Rochelle, New York to The DSF Group.

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News

The DSF Group Acquires Shawsheen Place in Tewksbury, MA.

August 2013 | Boston Globe

DSF Group affiliate buys the Shawsheen Place at Tewksbury apartment complex for $47M.

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News

The DSF Group Acquires the AVE in White Plains, NY

June 2013 | The DSF Group

The DSF Group purchased the 124-unit asset located at 25 Martine Ave. in White Plains, NY for $34 million, from Korman Communities and BlackRock, Inc. At closing, the property was introduced to the market as the Halstead White Plains Metro North.    

News

The DSF Group Provides Largest Furniture Donation Ever to Furniture Sharehouse

June 2013 | The Patch

The DSF Group donated 50 apartments worth of furniture and home goods to Furniture Sharehouse, the largest donation to date during the non-profit's five year experience. Furniture Sharehouse provides free furniture to economically disadvantaged individuals and families living in Westchester, County, giving them the basic household furnishings that enable them to rebuild their lives and live with dignity. 

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News

DSF Group Brings Unrivaled Amenities to Reimagined Halstead Dulles Apartment Community

DSF Group, the National Association of Home Builders (NAHB) 2011 Multifamily Development Firm of the Year, announced the launch of Halstead Dulles, a community redesigned with extensive new amenities.   

Award

Delta Associates - Awards for Excellence

June 2012 | Delta Associates

Halstead Square - The Rockwell, 2012 Best Northern Virginia Apartment Community    
 

Award

National Association of Home Builders - Best in American Living Awards

June 2012 | NAHB

Halstead Square, 2012 Best Design Gold Award   

Award

National Association of Home Builders - Best in American Living Awards

June 2012 | NAHB

Halstead Square, 2012 Best Mixed Use Community; Finalist   

Award

Delta Associates - Awards for Excellence

November 2012 | Delta Associates

Halstead Square - The Rockwell, 2012 Best Lease-Up Pace for a Northern Virginia Apartment Community

News

The DSF Group Acquires the Metropolitan of Fairfax

December  2012 | HFF

HFF announced today that it has closed the sale of Metropolitan of Fairfax, a 244-unit, Class A multi-housing community in Herndon, Virginia. HFF marketed the property exclusively on behalf of the sellers, Cornerstone Real Estate Advisors and Kettler, Inc.. A fund advised by The DSF Group purchased the asset for $59.25 million free and clear of existing debt. Upon closing the property was introduced as the Halstead Dulles.    
 

Award

National Association of Home Builders - Pillars of the Industry Awards

January 2012 | NAHB

Halstead Square, 2011 Best Mixed Use Community Site Plan

Award

National Association of Home Builders - Pillars of the Industry Awards

January 2012  | NAHB

The DSF Group, 2011 Multifamily Development Firm of the Year
 

News

DSF Group Opens Doors to Halstead Square Apartments at the Dunn Loring Metro

Vienna, VA – October 17, 2011 – Today DSF Group, the National Association of Home Builders (NAHB) 2011 Multifamily Development Firm of the Year, announced the grand opening of Halstead Square, a distinctive new mixed-use development of restaurants and retail at the Dunn Loring Metro.   
 

Award

National Association of Home Builders - Pillars of the Industry Awards

January 2011  | NAHB

The DSF Group, 2010 Multifamily Development Firm of the Year; Finalist   

Award

Delta Associates - Best Mid-Atlantic Mid-Rise Apartment

November 2009 | Delta Associates

Halstead Arlington, 2009 Best Mid-Atlantic Mid-Rise Apartment

Award

National Association of Home Builders - Pillars of the Industry Awards

October 2009 | NAHB

The DSF Group, 2009 Multifamily Development Firm of the Year; Finalist   

News

Delta Associates - Halstead Arlington Selected as Winning Property

November 2009 | Delta Associates

Halstead Arlington has been selected as the winning property for Delta Associates' 13th Annual Apartment and Condominium Industry Awards for Excellence in the category of Best Mid-Atlantic Mid-Rise Apartment Community.    

Award

Washington Business Journal - Deal of the Year

November 2008 | Washington Business Journal

The Halstead Tower, 2008 Deal of the Year; Finalist    
 

Award

Institutional Investor - EPIC Awards

November 2008 | Insitutional Investor

The DSF Group,  Developer of the Year; Finalist   

Award

National Association of Home Builders - Pillars of the Industry Awards

October 2008 | NAHB

2008 Multifamily Development Firm of the Year; Finalist   

Award

National Association of Home Builders - BALA Awards

October 2007 | NAHB

The Halstead Tower, 2007 Best Rental Development 5 stories and above    

Award

Monument Award - Award of Merit  

June 2007

The Alexander, 2007 Special Achievements in Overall Amenities
 

Award

Monument Award - Award of Merit  

June 2007

The Halstead Tower, 2007 Best High Rise Rental Units
 

Award

Delta Associates

November 2007 | Delta Associates

The Halstead Tower, 2007 Best Mid-Atlantic High-Rise Apartment   

Award

National Association of Home Builders - Pillars of the Industry Awards

October 2007 | NAHB

The DSF Group, 2007 Multifamily Developer of the Year; Finalist   

News

Washington Smart Growth Alliance (2007)

December 2007

The Smart Growth Alliance's Project Recognition Jury has recognized Halstead Arlington Mixed Use as a Smart Growth Proposal.