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SDS is a leading real estate development manager and consultancy in New York City. Since our first condo development over 30 years ago, SDS has utilized its proven experience in entitlement processes and construction management to manage real estate and construction projects that provide a significant opportunity for investment appreciation.


Originally named Landmark Restoration, SDS has a strong track record in both in new construction and redeveloping and/or restoring historic properties and has significant experience with both the Urban Land Use Review Process (ULURP) and historical landmark zones.  Louis V. Greco Jr., SDS’s principal, has a 40-year track record of development and construction. Since 1988, SDS has completed 35 transactions with an aggregate cost value of $1.2 billion.


SDS has a team of talented professionals, including project managers, construction managers, accountants and general counsel in its headquarters, as well as field personnel on its construction operations.

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