OSM tag name=Carolands matches Carolands in these Wikidata fields:
| Houses completed in 1915 | building=country_house, historic=manor |
| Houses in San Mateo County, California | building=country_house, historic=manor |
| Houses on the National Register of Historic Places in California | historic, building=country_house, boundary=protected_area, historic=manor |
| National Register of Historic Places in San Mateo County, California | boundary=protected_area, historic |