Polygon Engineering helps in obtaining a Building Permit to legalize the basement of your house as a second rentable unit. Our associate team of dedicated Professional Engineers, Architectural designers, Fire code experts and, AutoCAD drafters ensure that the Second Unit meets all the mandatory requirements as per the Building/Fire Code. Our Licensed Engineers will make sure that the structural integrity of external load-bearing walls of your house doesn't get weakened due to providing additional and/or enlarging existing windows. We will directly deal with the Registration Process of the City to get you the building permit.To facilitate better communication with our South Asian clients, we also speak PUNJABI, GUJARATI, and HINDI.