Office Hours The Orange Civic Center is open Monday - Friday from 7:30 to 5:30 and closed every other Friday. Mailing Address City of Orange Community Development Department Orange Civic Center 300 East Chapman Avenue Orange, CA 92866-1591 Telephone and Fax Numbers Community Development 714.744.7242 Building Division 714.744.7200/FAX 714.744.7245 Planning Division 714.744.7220/FAX 714.744.7222