No building permit, zoning certificate or occupancy certificate, except for the situations indicated shall be issued for a building or structure on any lot of any subdivision that is subject to the provisions of these regulations until a certified copy of the duly recorded or registered plat of subdivision has been filed with the official charged with issuing building permits and/or zoning certificates. No such permits or certificates shall be issued until there has been compliance with all of the provisions of these regulations, including but not limited to provisions of these regulations related to the approval of plans and specifications for required improvements and the posting of bonds and establishment of escrows to secure the completion of such improvements.

No occupancy certificate for the use of any structure or use within a subdivision approved for platting, replatting or lot splitting shall be issued until required utility facilities have been installed and made ready to service the property; roadways providing access to the subject lot or lots have been constructed or are in the course of construction; or guarantees have been provided to ensure the installation of such utilities and roadways.

For existing structures or uses on an unplatted tract or on a portion or portions of platted lots, building permits may be issued for purposes of repair and maintenance of such structures or the continuation of the existing use. Additions to or expansion of principal structures of the addition of an accessory use when a principal structure already exists shall be allowed only if the involved property would otherwise be in compliance with the area’s zoning and all normal requirements of that zoning such as setbacks, lot coverage, height limitations and so forth. In no case shall a non-residential use, multi-family use involving four or more dwelling units or continuation of an existing use be allowed to expand, make additions, and/or add accessory structures that would exceed 50% of the gross square footage of the existing principal structure or structures or use on the site without such site first complying with the above noted requirements.