No zoning permit, building permit, or Certificate of Occupancy shall be issued for any parcel of land or structure which was sold or on which improvements were undertaken in violation of the provisions of this chapter or for use of a lot which was created by subdivisions after the effective date of, and not in conformity with the provisions of this chapter. No site improvements such as, but not limited to, excavation or construction of public or private improvements shall be commenced except in conformance with this chapter in accordance with plat approvals and the issuance of required permits.