SDS is known for our expertise in preserving historic buildings and sites. Our approach to each project begins with understanding and analyzing the architectural and cultural context to develop project-specific solutions that best preserve historic fabric appropriately and sensitively. We work closely with property owners, the New York City Landmarks Preservation Commission (LPC), State Historic Preservation Offices (SHPO) and other agencies to determine the best solution. Historic Preservation services we provide include:

• Historic Landmark Preservation and Restoration 
• Historic Research
• Condition Surveys
• Material Conservation Analysis
• Historic Structure Reports (HSRs)
• Heritage Documentation (HABS and HAER)
• National Register Nominations
• Assistance with Federal Historic Tax Credits, NHPA Section 106 and NYS PAR Section 14.09