Welcome to G.D. Houtman & Son, Inc.  Providing exceptional service for your Civil Engineering and Land Surveying needs in South Eastern Pennsylvania since 1945.  G.D. Houtman & Son has been family owned and operated for four generations and is dedicated to providing excellent service no matter what your needs.  From large residential subdivisions to commercial development to property surveys, let our competent, friendly staff assist in completion of your projects.