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.