San Francisco and San Mateo Electric Railway
| Overview | |
|---|---|
| Headquarters | San Francisco |
| Locale | California |
| Dates of operation | 1892–1902 |
| Successor | United Railroads of San Francisco |
| Technical | |
| Track gauge | 4 ft 8+1⁄2 in (1,435 mm) standard gauge |
| Electrification | 550 V DC |
| Length | 21 miles (34 km) |
The San Francisco and San Mateo Electric Railway (SF&SM) was the first electric streetcar company in San Francisco, California. The company was only in business for ten years, starting from 1892 until it was merged into the United Railroads of San Francisco (URR) in 1902.