Masjid Ar-Raheem is located in Marlborough, MA and offers daily prayers five times a day. It is affiliated with Darul Uloom Boston and Ar-Raheem Academy, providing educational programs including Hifzul Quran, Aalim studies, weekend school, and adult classes. The masjid also hosts community programs such as monthly Tafseer intensives, youth Halaqahs, and community events.