Mason Helmstetter Associates, located on the Boulevard across from Jerzy Boys Deli, has been in business for more than 40 years. This is a real estate appraisal and consulting office specializing in commercial, industrial and residential properties in New Jersey and southern New York.  The firm provides appraisal reports for a wide range of litigation and internal purposes, including estate settlement, divorce cases, partnership cases, tax appeals and valuation for loans. Appraisers value vacant land, subdivisions, single-family homes, condominiums, co-op, apartment buildings, office and retail spaces and industrial buildings.  The company also offers consulting services such as market rental analysis and professional court testimony.