What Is the OPC?


Our Confession of Faith and Catechisms


The Orthodox Presbyterian Church


Visit our Presbytery of Ohio web site


Book of Church Order: The standards of our government, discipline,and worship



Who Is a Christian?

Worship: Some Basic Questions

Who Is God?

Some Reflections on Preaching

The Church and Her Ordinances

Our History

Our Ministers, Our Interns


Contact us







Grace Orthodox Presbyterian Church

A congregation of the Orthodox Presbyterian Church committed to the faithful preaching of the Word of God, the biblical administration of the sacraments, and the loving exercise of church discipline.

We worship at 1419 Beaver Road in Sewickley, PA.

Pastor: R. Daniel Knox
Pastor Phone: 724-251-9092
Church Phone: 412-741-3430

Associate Pastor: Brett Mahlen
Associate Pastor Phone: 215-715-2803
Church Phone: 412-741-3430

Mailing address:
1419 Beaver Road
Sewickley, PA 15143

Lord's Day Schedule:
Morning Instruction
Morning Worship
Evening Worship

9:30 A.M.
11:00 A.M.
6:00  P.M.

Evening Worship Schedule note. First Sundays in January, February and March will be at 2:00 P.M.
Prayer meeting

7:00  P.M.

Visit our denominational web site: Orthodox Presbyterian Church

Grace OPC is committed to evangelism and church planting. Visit the web site of our daughter congregation, Immanuel OPC, which meets for worship near Oakdale, PA: Immanuel OPC


How to find us:
   We are located in southwestern Pennsylvania near the Ohio River, just northwest of Pittsburgh.

Directions to our building:
     Where I-79 crosses the Ohio River, take the Sewickley exit.  Follow Route 65 north, to the first traffic light.  Turn right (45 degree) onto Beaver Road.  The  church  building is  approx. 1/2 mile on right at 1419 Beaver Road across from the Quaker Valley Elementary School in Sewickley (Osborne borough).