St. Trinity is located on the west side of Sashabaw Rd. just north of DTE Music Theater and Clarkston Rd. Sashabaw Rd. is exit 89 on I-75. The church is north of I-75.
The parking lot is on the west side of the building. The main entrance into the Worship Center is in the middle of the building. The entrance at the north of the building is for the Family Life Center. The entrance at the south of the building is the Fellowship Hall/Sunday School area. The entrance for the Preschool is located on the southeast side of the building.