Here are a few contact numbers for the City of Centennial that you may find helpful. 

The City of Centennial maintains a 24 hour hotline for most issues.  That number is 1-303-325-8000

Animal Control:     303-325-8070

Animal Licenses: Online Dog Licensing

Building Permits:   303-754-3321    Info on City of Centennial Building Permits
Note: when applying for a homeowner permit (as compared to a contractor applying for you, you have to include the estimated cost of hiring labor as part of the application).

Business Licenses:  Info on Business Licenses for Centennial or email 

Citizen Concerns:   303-325-8000

Code Enforcement: Info on Code Compliance  or email

Community Planning and Development:   303-325-8000

Inspections Hotline: (303) 708-1430 by 4:30 p.m. to schedule an inspection for the next business day.

Municipal Court:   303-754-3380   or email-

Public Works Service Requests:  303-325-8000   or  To Report a Problem

Sales Tax Collections: Info on Business Licenses for Centennial or email 

Sheriff (emergency only):  911

Sheriff (non-emergency):   303-795-4711

Sign up for Emergency Notification:   Arapahoe County Sheriff's Department