NYC Building Code Consulting and Expediting Contact Us JCC is an expert in residential, commercial, institutional renovations, as well as new construction. Allowing clients to file accurate applications, obtain approvals & permits, and execute their projects to completion. Managing Project Filings from Design to Occupancy About Questions Occur Prior to Approval. At JCC, we answer all questions regarding code compliance, zoning, and the NYC DOB application process. ZONING & BUILDING CODE ANALYSIS NYC DOB APPLICATIONS & PERMITS CERTIFICATE OF OCCUPANCY