oba510
This should be a green historical plaque mounted on the wall to the right of the door on Cedar Street.  You can barely see it in https://www.mapillary.com/app/?pKey=2603906323242729

Here is the more specific website (the link on the now-deleted node just went to a generic page: http://berkeleyplaques.org/plaque/north-berkeley-congregational-church/?cat=30 )