2013Founding
Hamilton Eastman is founded
Co-founders Joel Wertzberger and Jack Wolcowitz launch Hamilton Eastman, the Brooklyn holding company behind Joyland Group.
Track Record
Since 2013, Joyland Group and Hamilton Eastman have acquired, built, converted and realized assets across New York City, executing with banks and institutional lenders at every stage.
13 years of acquisitions, ground-up development, conversions and realizations across Brooklyn, Manhattan, Queens, the Bronx and Staten Island.
Before & after
Drag the handle to compare each site before and after.








Milestones
2013Founding
Co-founders Joel Wertzberger and Jack Wolcowitz launch Hamilton Eastman, the Brooklyn holding company behind Joyland Group.
May 2013Acquisition
530 Midwood Street, 292 Bedford Avenue and 21 Carlton Avenue join the portfolio.
Sep – Nov 2014Acquisition
396 Cornelia Street (September), 5111 4th Avenue (October) and 277-279 Bedford Avenue (November) are acquired.
396 Cornelia Street →5111 4th Avenue →277-279 Bedford Avenue →
January 2015Acquisition
A 26,000 SF retail and office building in Flatbush is acquired.
September 2015Acquisition · Filing
The site is acquired and a new-building application is filed for a seven-story residential building.
Late 2015Acquisition
In a joint venture, Joyland wins the A&P bankruptcy auction for the former Pathmark supermarket lease at 1-37 12th Street.
2016Acquisition
570 Nostrand Avenue (January), 84 14th Street (May) and 635 Rockaway Avenue (July) are acquired.
October 2016Acquisition
Having won the lease, Joyland and its joint-venture partner eventually purchase the roughly 4.6-acre former Pathmark site at 1-37 12th Street in Gowanus, building and parking lot included.
November 2017Filing
New-building plans are filed for 570 Nostrand Avenue (six stories, 25 residences) and 380 Grove Street (39 residences).
2018Completion
The seven-story building delivers 94 residences over ground-floor commercial space.
May 2018Sale
Joyland later sells the former Pathmark site at 1-37 12th Street in Gowanus, which it purchased in October 2016.
2019Completion
Two mixed-use buildings with a combined 64 residences are completed; 380 Grove Street is developed on a long-term ground lease.
December 2019Acquisition
The future Olmsted Park site and the Quincy Street buildings are acquired.
April 2020Leasing
The entire nine-story, 65,000 SF building in the Bronx is placed with Zeta Charter Schools under a 49-year leasehold condominium for a new school.
August 2020Acquisition
The Williamsburg corner site at Metropolitan and Marcy Avenues, then a one-story bank and parking lot, is acquired for new development.
2020Completion
43 residences at 26 Quincy Street and 14 at 38 Stratford Road are delivered.
April 2021Acquisition
A seven-story through-block building between Bedford Avenue and Skillman Street is acquired.
January 2022Acquisition · Construction
The Williamsburg block is acquired and cleared; construction is under way the same year.
January 2022Construction
Demolition of the former building begins, clearing the way for 128 new residences.
May 2022Acquisition
The Metropolitan Avenue assemblage closes following the 2021 rezoning.
2023Completion
Lorimer House delivers 270 rental residences in Williamsburg; Olmsted Park receives its certificate of occupancy with 128 residences.
January – July 2023Completion · Sale
The eight-story building delivers 123 rental residences, 37 of them affordable, is fully leased within three months and is sold in July.
2023Acquisition
15-19 Wythe Avenue (April), 125 3rd Street in Gowanus with partners (September) and 355 West Broadway in SoHo (November) are acquired.
2024Completion
Copper Lofts (66 residences) and The Wave (136 rental residences, nine stories) are completed in Williamsburg.
November 2024Acquisition · Construction
The Williamsburg site is acquired in a joint venture and construction of The Sixth begins immediately.
December 2024Financing
Construction financing is secured for The Sixth at 133 Kent Avenue.
December 2024Acquisition
A former Manhattan hospital building is acquired for conversion to residential.
May 2025Acquisition
A 1921 Garment District loft building is acquired for residential conversion.
January 2026Acquisition · Sales
The long-stalled Williamsburg bridgehead site is acquired, and condominium sales launch at The Sixth.
February 2026Acquisition · Conversion
254 West 35th Street is acquired, and leasing begins at the converted 313 East 17th Street: 87 residences, 22 of them affordable.
April 2026Sale
The ground-floor commercial condominium at 133 Kent Avenue is sold separately.
July 2026Conversion · Approval
The office-to-residential conversion is permitted for 166 residences.
September 2026Conversion · Filing
Full-building conversion plans are filed for 177 residences, following a 12th-floor permit earlier in the year.
October 2026Approval
The City approves a new 12-story building with 99 rental residences, community-facility and ground-floor commercial space.
Realized

Bushwick, Brooklyn · Acquired 2014
Fort Greene, Brooklyn · Acquired 2013
Williamsburg, Brooklyn · Acquired 2014

Charleston, Staten Island

Gowanus, Brooklyn · Acquired 2023

SoHo, Manhattan · Acquired 2023
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Get in touch718.360.877384 14th Street, Brooklyn, NY 11215