GRE Holdings
(Gilman Management Corp., GRE, Gilman Management)
55 Water Mill Ln, Great Neck, NY 11021
PO Box 222143 Great Neck, NY 11022
55 Watermill Ln, Great Neck, NY 11021
People:
GRE Holdings NYC portfolio
$254.9 million -walkup 76%, elevator 13%, mixed-use 9%; Manhattan 56%, Brooklyn 31%, Bronx 11%*
902th largest portfolio by dollar value
1,268,025 sqft – walkup 80%, elevator 18%; Manhattan 43%, Brooklyn 36%, Bronx 19%
431th largest by SF
58 properties – Manhattan 46%, Brooklyn 39%, Bronx 13%
165th largest
1,579 residential units – Manhattan 47%, Brooklyn 33%, Bronx 19%
239th largest by residential units
0 foreclosures, 0 bankruptcies, 1 other court case.
Other Links:
Notes
Gilman Management rebranded as GRE Holdings.
Company Activity past 24 months:
Buyer company: 3 for $12.6 million
Borrower company: 1 for $5.5 million
Top Ten Associated Companies:
Customers Bank (1), Witnick Real Estate Partners (1), American Commerce Bank (1)
Top Ten Associated People:
Kevin Cornwall (1), Isaac Abraham (1)
Recent activity as company:
• Benjamin Soleimani sold 506 West 173 Street for $2 million to GRE Holdings on July 15, 2026.
• Sharp Management sold 643 Cauldwell Avenue for $5.7 million to Mark J. Schwartz and GRE Holdings on May 27, 2026.
• Mark J. Schwartz and GRE Holdings borrowed $5.5 million from Customers Bank for 643 Cauldwell Avenue on May 27, 2026.
• Sharp Management sold 355 Lincoln Place for $4.9 million to Gilman Management on September 18, 2025.
• Ramer & Saperstein sold 409 West 205 Street for $1.9 million to Gilman Management Corp. on February 28, 2024.
• Jay Rand sold 23 Vermilyea Avenue for $1.2 million to Gilman Management Corp. on February 26, 2024.
• Barberry Rose Management Company sold 1205 Eastern Parkway for $5 million to Gilman Management on November 15, 2023.
• Naziemul Safi and Guila Feinberg sold 575 Herkimer Street for $5.2 million to Gilman Management Corp. on July 15, 2022.
• Gilman Management Corp. sold 85 Clinton Street for $8.3 million to Witnick Real Estate Partners on June 24, 2022.
• American Commerce Bank on March 16, 2022 bought a loan with an original principal of $4.6 million from Webster Bank, signed by John Burke, secured by 119 Henry Street, when owned by Gilman Management Corp..
Latest Stories:
• Sackman Enterprises, John Pearson pay $2.1M for 5-unit walkup in Harlem (June 25, 2026)
• GRE, Mark J. Schwartz, pay $5.7M to Sharp Management for walkups in Longwood (June 11, 2026)
• Related seeks 99K sf transit bonus for 625 Madison office project in Midtown East (May 25, 2026)
• SLG, Hines, Korean pension sign $1.65B refi for office in Flatiron District (April 13, 2026)
• Dever Properties signs $108M refi with Deutsche Bank for office in Gramercy (February 23, 2026)
• Senior lenders file $940M pre-foreclosure at SLG, RXR’;s Worldwide Plaza (February 22, 2026)
• Azimuth Development Group in contract for likely dev site in Concourse Village (February 05, 2026)
Court Records:
Properties: