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Rockrose Development

15 East 26th Street, 7th Floor
New York, NY 10010
(212) 847-3700
Website

Rockrose Development is a real estate development and management company in New York. The firm was originally founded by the Elghanayan brothers in 1970, and was focused on brownstone renovation in Greenwich Village. Today the firms activities include new apartment construction, leasing, sales and marketing, large-scale rehabilitation, major office development, and investments and acquisitions. Rockroses investment partners include Credit Suisse, Goldman Sachs, and other high profile funds and institutions.

Over the last 40 years, Rockrose has acquired, built, or repositioned 3.3 million square feet of office space, 1 million square feet of retail space, and approximately 11,000 residential units in New York and Washington, D.C., with a total approximate value of $6 billion.

In 2009, the company experienced a major split, as former heads and brothers H. Henry Elghanayan, K. Thomas Elghanayan and Frederick Elghanayan divided their holdings between Rockrose (which Henry Elghanayan continues to head) and TF Cornerstone, a new firm started by Thomas and Frederick Elghanayan. Major Rockrose-retained properties post-split include 100 Jane Street, 41 River Terrace and 200 Water Street.

-WP

Rockrose Development, Real Estate Salesperson
15 East 26th Street, 7th Floor, New York, NY, (212) 847-3700
...
Rockrose Development, Real Estate Salesperson
15 East 26th Street, 7th Floor, New York, NY, (212) 847-3700
...
Rockrose Development, Real Estate Salesperson
15 East 26th Street, 7th Floor, New York, NY, (212) 847-3700
...
Rockrose Development, Real Estate Salesperson
15 East 26th Street, 7th Floor, New York, NY, (212) 847-3700
...
Rockrose Development, Limited Liability Broker
15 East 26th Street, 7th Floor, New York, NY, (212) 847-3700
...
Rockrose Development, Associate Broker
15 East 26th Street, 7th Floor, New York, NY, (212) 847-3700
...
Rockrose Development, Associate Broker
15 East 26th Street, 7th Floor, New York, NY, (212) 847-3700
...
Rockrose Development, Real Estate Salesperson
15 East 26th Street, 7th Floor, New York, NY, (212) 847-3700
...
Rockrose Development, Real Estate Salesperson
15 East 26th Street, 7th Floor, New York, NY, (212) 847-3700
...
Rockrose Development, Real Estate Salesperson
15 East 26th Street, 7th Floor, New York, NY, (212) 847-3700
...
Rockrose Development, Vice President, Property Management
15 East 26th Street, 7th Floor, New York, NY, 212.847.3700
Joseph Flanagan is a vice president of property management at Rockrose Development, real...
Rockrose Development, General Counsel
15 East 26th Street, 7th Floor, New York, NY, 212.847.3700
Andrew Fishkoff is a real estate lawyer and general counsel for Rockrose Development,...
Rockrose Development, Vice President, Real Estate Finance
15 East 26th Street, 7th Floor, New York, NY, 212.847.3700
Judd Emin is vice president of real estate finance at Rockrose Development, a...
Rockrose Development, Senior Vice President
15 East 26th Street, 7th Floor, New York, NY, 212.847.3700
Patricia Dunphy is a senior vice president at Rockrose Development, a real estate...
Rockrose Development, President
15 East 26th Street, 7th Floor, New York, NY, 212.847.3700
Justin Elghanayan is the president of Rockrose Development, a real estate development and...
Rockrose Development, CEO
15 East 26th Street, 7th Floor, New York, NY, 212.847.3700
H. Henry Elghanayan is an Iranian-America real estate developer and the co-founder and...
  • Event Office Leasing
  • Address 11 East 26th Street
  • Neighborhood Flatiron
  • Borough Manhattan
  • Square feet 24,166
notes
The health-device firm signed a lease for the Flatiron building.
  • Event Financing
  • Address 410 West 53rd Street
  • Neighborhood Clinton
  • Borough Manhattan
  • Square feet 166,518
  • Price $ 71,400,000
notes
The lender issued a loan of $71.4 million for the Clinton property.
  • Event Financing
  • Address 43-25 Hunter Street
  • Neighborhood Long Island City
  • Borough Queens
  • Square feet 681,188
  • Price $ 348,000,000
notes
The owner secured a loan of $348 million for the Long Island City property.
  • Event Retail Leasing
  • Address 152 Christopher Street
  • Neighborhood West Village
  • Borough Manhattan
  • Square feet 12,450
notes
The indoor cycling studio inked a lease in the West Village.
  • Event Office Leasing
  • Address 300 Park Avenue South
  • Neighborhood Flatiron
  • Borough Manhattan
  • Square feet 13,700
notes
The furniture upholstery maker inked a 10-year lease in Flatiron for the entire 8th floor.
  • Event Financing
  • Address 43-22 Queens Street
  • Neighborhood Long Island City
  • Borough Queens
  • Square feet 320,820
  • Price $ 255,000,000
notes
The borrower secured a $255 million loan from Bank of America, for the 54-story conversion of the Eagle Electric building.
  • Event Financing
  • Address 100 Jane Street
  • Neighborhood West Village
  • Borough Manhattan
  • Price $ 65,000,000
notes
The company secured a $65 million loan.
  • Event Retail Leasing
  • Address 26-25 Jackson Avenue
  • Neighborhood Long Island City
  • Borough Queens
  • Square feet 2,000
notes
The Japanese restaurant signed a lease.
  • Event Retail Leasing
  • Address 26-25 Jackson Avenue
  • Neighborhood Long Island City
  • Borough Queens
  • Square feet 940
notes
The pizzeria signed a lease.
  • Event Retail Leasing
  • Address 26-25 Jackson Avenue
  • Neighborhood Long Island City
  • Borough Queens
  • Square feet 2,000
notes
The Japanese restaurant signed a lease.
  • Event Retail Leasing
  • Address 26-25 Jackson Avenue
  • Neighborhood Long Island City
  • Borough Queens
  • Square feet 2,000
notes
The Japanese restaurant signed a lease.
  • Event Retail Leasing
  • Address 666 Greenwich Street
  • Neighborhood West Village
  • Borough Manhattan
  • Square feet 14,000
notes
The grocery store signed a lease.
  • Event Office Leasing
  • Address 300 Park Avenue South
  • Neighborhood Flatiron
  • Borough Manhattan
  • Square feet 41,000
  • Publication Date 10/01/2015
  • Event Date 08/22/2015
  • Party 1 Rockrose Development
  • Party 1 Brokerage Cushman & Wakefield
  • Party 1 Broker Mikal Nahmias
  • Party 2 FanDuel
  • Party 2 Brokerage Colliers International
  • Party 2 Broker Robert Kennedy
notes
The fantasy sports platform signed a lease to relocate from a 9,000-square-foot office.
  • Event Office Leasing
  • Address 99 John Street
  • Neighborhood Seaport
  • Borough Manhattan
  • Square feet 8,200
  • Event Retail leasing
  • Address 666 Greenwich Street
  • Neighborhood West Village
  • Borough Manhattan
  • Square feet 12,000
  • Publication Date 06/01/2015
  • Event Date 04/22/2015
  • Party 1 Rockrose Development
  • Party 2 Brooklyn Fare
  • Event Retail Leasing
  • Address 135 John Street
  • Neighborhood Financial District
  • Borough Manhattan
  • Square feet 1,100
  • Publication Date 08/01/2012
  • Event Date 06/22/2012
  • Party 1 Rockrose Development
  • Party 1 Brokerage In-house
  • Party 2 Starbucks
  • Party 2 Brokerage SCG Retail
  • Party 2 Broker David Firestein
notes
The coffee chain signed a lease for another location.
  • Event Office Leasing
  • Address 300 Park Avenue
  • Neighborhood Plaza District
  • Borough Manhattan
  • Square feet 20,000
  • Price per foot $ 51.00
notes
The whiskey maker signed a 10-year lease on the fifth and sixth floors for its new U.S. headquarters, according to the New York Post.
  • Event Office Leasing
  • Address 300 Park Avenue
  • Neighborhood Plaza District
  • Borough Manhattan
  • Square feet 13,000
notes
The global information services company signed a five-year lease.
  • Event Office Leasing
  • Address 300 Park Avenue South
  • Neighborhood Flatiron
  • Borough Manhattan
  • Square feet 26,974
  • Publication Date 04/01/2011
  • Event Date 02/20/2011
  • Party 1 Rockrose Development
  • Party 1 Brokerage Cushman & Wakefield
  • Party 1 Broker John Peters, Mike Nahmias, Andrew Peretz
  • Party 2 M Booth & Associates
  • Party 2 Brokerage Grubb & Ellis
  • Party 2 Broker Richard Rosenthal
notes
The communications agency signed a lease renewal and expansion.
  • Event Office Leasing
  • Address 300 Park Avenue South
  • Neighborhood Flatiron
  • Borough Manhattan
  • Square feet 26,974
notes
The communications agency signed a lease renewal and expansion.
  • Event Office Leasing
  • Address 300 Park Avenue South
  • Neighborhood Flatiron
  • Borough Manhattan
  • Square feet 27,000
notes
The museum leased the building's top two floors for administrative office space.
  • Event Office Leasing
  • Address 300 Park Avenue South
  • Neighborhood Flatiron
  • Borough Manhattan
  • Square feet 25,300
  • Price per foot $ 42.00
notes
The advertising company signed a six-year lease on the seventh and eighth floors.
  • Event Office Leasing
  • Address 300 Park Avenue South
  • Neighborhood Flatiron
  • Borough Manhattan
  • Publication Date 08/01/2010
  • Event Date 06/22/2010
  • Party 1 Rockrose Development
  • Party 1 Brokerage Cushman & Wakefield
  • Party 1 Broker Andrew Peretz, John Peters
  • Party 2 Wilhelmina Models
notes
The modeling agency signed a lease renewal.
  • Event Office Leasing
  • Building Name Carnegie Hall Tower
  • Address 152 West 57th Street
  • Neighborhood Midtown West
  • Borough Manhattan
  • Square feet 1,762
  • Publication Date 02/01/2010
  • Event Date 12/23/2009
  • Party 1 Rockrose Development
  • Party 1 Brokerage TH Advisors
  • Party 1 Broker Sebastien Goobi
  • Party 2 Nile Global Advisors
  • Party 2 Brokerage Hunter Realty
  • Party 2 Broker Michael Okun
notes
The hedge fund subleased space.
  • Event Retail Leasing
  • Address 7 East 14th Street
  • Neighborhood Flatiron
  • Borough Manhattan
  • Square feet 400
notes
The baked goods shop signed a lease.
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05/14/2018
Clockwise from top left: 660 12th Avenue, 4 Times Square and 435 Seventh Avenue April’s top 10 retail leasing deals more than doubled March’s in Clockwise from top left: 660 12th Avenue, 4 Times Square and 435 Seventh Avenue April’s top 10 retail leasing deals more than doubled March’s in...

09/01/2017
“It seems like people out there are like Teflon,” said Justin Elghanayan, president of Rockrose Development, whose father and uncles founded the firm back in 1970...

05/01/2016
The firm does, however, often work with multigenerational owners such as Rockrose Development and Jack Resnick & Sons...

02/02/2016
Stuyvesant Town-Peter Cooper Village was responsible for over half that haul, with an NOI of over $220 million (aside: that’s well below the at least $375 million former owner MetLife once told prospective buyers the property would be making by now). The 11,200-unit complex, which holds more than 5,000 rent-stabilized units, saw an NOI per unit of just shy of $20,000. That’s well below the figure seen at market-rate projects such as Rockrose Development’s 666 Greenwich Street, which led the pack with a per-unit NOI of over $57,000...

09/01/2015
Leading the charge on TRD’s ranking of busiest developers (by square footage) is Rockrose Development, which is constructing more than 1.41 million square feet at two projects with a combined 1,757 residential units...

12/01/2012
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