St Mary's Church is a Catholic church in Walnut Creek, Contra Costa County, California — listed by Foursquare OS Places, Overture Maps Places; last seen September 2026.
Who meets here
How we know
- Foursquare OS Places · seen September 2026
- Foursquare OS Places — listed as “St. Mary Catholic Church” · seen September 2026
- Overture Maps Places · seen September 2026
2 independent sources agree on this place. About our sources