1840 Gateway #4

Of its 2 ports, 2 are Level 2. Level 2 ports are 240-volt AC chargers, typically used where a car is parked for an hour or more. That is about half of the California average of 3.7 ports per station. The registry lists one connector type: J1772, the standard Level 1/2 AC connector.

San Mateo has 286 charging stations in the DOE registry with 775 ports, the 9th-most of 812 cities and towns in California. 1840 Gateway #4 accounts for under 1% of the charging ports in San Mateo. ChargePoint runs 262 stations in San Mateo. Statewide, California has 21,814 stations and 81,788 ports, the largest station count of the 51 states and DC. The biggest station in California, Viejas Casino and Resort in Alpine, has 432 ports.

The largest US charging network by station count — mostly Level 2 at workplaces, retail and municipal sites. ChargePoint operates 48,998 stations in the registry across 52 states, with 5,017 DC fast and 83,427 Level 2 ports in total. 14,675 of those stations are in California, 67% of the state's 21,814.

“Available” means the station is open and in service according to the DOE registry. Its access code is public, meaning it is listed as open to any driver. It opened on Nov 26, 2025, one of 2,781 stations in California with a 2025 open date. The station's record was last updated at the source on Oct 12, 2026.