Most Holy Trinity-St. Mary's R.C. Church

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  • 128 Montrose Ave
    Brooklyn, NY 11206

    Williamsburg

    TEMPORRY MEETING ADDRESS CHANGE: Due to a parish event from February 23, 2026, to March 30, 2026, there will be a temporary change for the Monday Beginner’s Big Book Meeting. Access to the meeting will be via 153B Johnson Avenue (instead of our regular entrance on 128 Montrose Avenue). This change is for the Monday Beginners Big Book meeting only; the Traditions meeting on Thursdays is NOT affected. On April 6, 2026, we will return to our regular address..

    Enter through side gate.

    Not affiliated with the facility; space is rented.

  • Monday

    Thursday

  • Updated 03/06/2026