Harbor City Church in downtown San Diego's Bankers Hill belongs to the Presbyterian Church in America and holds to the Westminster Confession of Faith, anchoring its worship in the confessionally reformed tradition. The congregation gathers inside the chapel at First Presbyterian Church of San Diego on Fourth Avenue, a facility-sharing arrangement that gives a smaller PCA church plant access to a historic campus without the overhead of a standalone commercial lease. Worship follows a liturgical structure built on scripture reading, congregational singing, prayer, and expository preaching, with weekly communion reflecting the PCA's sacramental emphasis. Harbor City organizes its discipleship through neighborhood-based community groups that meet in homes across San Diego, structured around shared meals, scripture study, and mutual accountability. The church's community-renewal work extends beyond worship into partnerships addressing food access and elder isolation downtown, with congregants volunteering through organizations such as Senior Community Centers. Harbor City's most intensive annual undertaking is its multi-week leader-training pipeline, which equips new community-group facilitators with theological instruction, pastoral-care protocols, and group-dynamics training before deploying them into host homes across the city.