This book constitutes the refereed proceedings of the 25th International Conference on Innovations for Community Services, I4CS 2025, held in Munich, Germany, during June 11–13, 2025. The 21 full papers presented in this book together with 3 short papers were carefully reviewed and selected from 55 submissions. They are organized in topical sections as follows: recognition and verification; computational intelligence; data processing; quantum computing; public sector; serious games; information security; and community challenges.