| Rheem | |
| Settlement Type: | Former unincorporated community District of San Pablo |
| Pushpin Map: | California |
| Pushpin Label Position: | bottom |
| Pushpin Map Caption: | Location in California |
| Subdivision Type: | Country |
| Subdivision Type1: | State |
| Subdivision Name1: | California |
| Subdivision Type2: | County |
| Subdivision Name2: | Contra Costa County |
| Subdivision Type3: | City |
| Subdivision Name3: | San Pablo |
| Coordinates: | 37.9758°N -122.3544°W |
| Elevation M: | 8 |
| Elevation Ft: | 26 |
Rheem is a former unincorporated community now annexed to San Pablo in Contra Costa County, California. It lies on the BNSF Railway 2.5miles north-northwest of downtown Richmond, an elevation of 26 feet (8 m).