Trinity Presbyterian Church (OPC) - A Reformed Presbyterian Church in Petaluma, CA

A Reformed and Presbyterian Church

We are a confessionally reformed and presbyterian congregation of the Orthodox Presbyterian Church, serving Petaluma, Novato, and the surrounding communities, with members coming from Sonoma, Marin, and Solano counties.
“Teach what accords with sound doctrine.” Titus 2:1b

A Biblical and Christ-Centered Church

As a Christian church where the Bible is sincerely believed and faithfully taught, we are committed to teaching and preaching the Bible as the inerrant, inspired, Word of God, as a Christ-centered church who seeks to proclaim Christ from all the Scriptures!
“But we preach Christ crucified.” 1 Corinthians 1:23a

Church Open House and BBQ

Join us on Sunday August 2, 2026 as we introduce you to our ministry and welcome you as our guest.

Service @ 11am
BBQ @ 12:30pm
(no Sunday School that day)