top of page



is a family owned and operated firm which was established over 40 years ago and is located in the Purchase, NY in Westchester County, NY.
Thomas E. Haynes, AIA holds a Registered Architect license in the states of New York, New Jersey & Connecticut.  We specialize in Residential + Commercial Architecture, Additions, Alterations, Legalizations, Zoning + Planning Analysis, Consulting, Certificate of Occupancy, Sustainable Design and NYC DOB Expediting plans and applications with the New York City Department of Buildings (NYCDOB). It is our goal to provide a superior standard of care and deliver our service in a professional manner while maintaining a personal relationship with our clientele. Whether you need a Certificate of Occupancy for your house in Eastchester or you are looking to build a restaurant in Manhattan, no job is considered too large or small. Contact Haynes Architecture P.C. for your renovation and new construction needs.

bottom of page