The Values, Guiding Principles and Mission of the New Castle Police Department are as follows:

Preserve and Advance Democratic Values - We shall uphold this country's democratic values as embodied in the Constitution and shall dedicate ourselves to the preservation of liberty and justice for all.

Improve the Quality of Community Life - We shall strive to improve the quality of life through the provision of quality and equitable services.
Improve Quality of Work Life - We shall strive to improve the working environment for the department's employees by engaging in open and honest communication and demonstrating a genuine concern for one another.

Demonstrate Professionalism - We shall always engage in behavior that is beyond ethical reproach and reflects the integrity of police professionals.