Flood Church is a Christian congregation in Grantville, San Diego, worshiping in a 22,000-square-foot facility at 4772 Alvarado Canyon Road in the 92120 ZIP. The church was established in 2000 and holds two Sunday morning gatherings with a livestream option on the earlier service. The building opened as a new purpose-built church home and includes a two-story layout with a main auditorium, children's wing, youth room, and a lobby cafe that serves free coffee, hot chocolate, and tea before each service. The Grantville corridor's cafe culture extends beyond the church lobby, and S3 Coffee Bar on Mission Gorge Road operates as a third-space gathering spot for the same Grantville-to-Allied-Gardens demographic that Flood's community groups draw from during the week. Specialty espresso drinks and hand-shaken cold brews are available by donation in the church cafe. Flood Kids runs infant-through-fifth-grade programming at both Sunday gatherings, and Flood Youth serves sixth-through-twelfth graders at the later service. Alvarado Canyon Road runs east-west through Grantville between the I-8 freeway and the Grantville Trolley Station, and the church's lower parking lot sits at the base of the canyon with additional street parking and overflow at the adjacent U.S. Post Office lot. Community groups meet midweek across private homes and public venues in Grantville, Allied Gardens, and San Carlos, organized by life stage, interest, and neighborhood proximity. The facility is less than two miles from SDSU, and the church draws a mixed-age congregation that includes college students, young families, and retirees from the surrounding residential blocks. The Grantville fitness and recreation corridor along Alvarado Canyon includes Grotto Climbing & Yoga, which serves the same active-lifestyle Grantville residents who attend Flood's weekend gatherings. Easter and Christmas services expand into multi-day programming with extended seating configurations in the main auditorium.