Walnut Business Park
AvailableEV charging station in Diamond Bar, California on the Noodoe network — 1 Level 2. US DOE AFDC station 332921.
At a glance
Walnut Business Park is a public EV charging station at 829 South Lemon Avenue in Diamond Bar, California, on the Noodoe network. It has 1 charging port (1 Level 2) with J1772 connectors. The US DOE registry lists it as available, open since Apr 22, 2024.
Station record
DOE registry record
| Field | Value |
|---|---|
| AFDC station ID | 332921 |
| Network | Noodoe |
| Status | Available (E) |
| Access | Public |
| Open date | Apr 22, 2024 |
| Last updated at source | Oct 19, 2026 |
Plugs
Connectors & pricing
- J1772 — The standard Level 1/2 AC connector.
Pricing: not listed in the DOE registry.
Location
- Address
- 829 South Lemon Avenue
- City
- Diamond Bar
- State
- California
- ZIP
- 91789
- Coordinates
- 34.00231, -117.85596
Within ~15 km
Nearby charging
- Mercury Insurance - Brea66 ports
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- LA County DPH HQ Baldwin Park50 ports
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- Westland Estates Pomona30 ports
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- LA County DPH HQ Baldwin Park26 ports
PowerFlex · Available
What kind of charging does Walnut Business Park offer?
Of its 1 port, 1 is 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 73% below the California average of 3.7 ports per station. The registry lists one connector type: J1772, the standard Level 1/2 AC connector.
How does Walnut Business Park compare with other stations in Diamond Bar?
Diamond Bar has 58 charging stations in the DOE registry with 148 ports. Walnut Business Park accounts for under 1% of the charging ports in Diamond Bar. Noodoe runs 3 stations in Diamond Bar. 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.
Who operates Walnut Business Park?
Noodoe operates 385 stations in the registry across 38 states, with 296 DC fast and 1,731 Level 2 ports in total. 83 of those stations are in California, under 1% of the state's 21,814.
What does the “Available” status mean?
“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 Apr 22, 2024, one of 2,233 stations in California with a 2024 open date. The station's record was last updated at the source on Oct 19, 2026.
Frequently asked questions
How many chargers does Walnut Business Park have?
Walnut Business Park has 1 charging port: 1 Level 2.
Does Walnut Business Park have DC fast charging?
No. The registry lists no DC fast ports here; its one port is Level 2.
What connectors does Walnut Business Park have?
Walnut Business Park has J1772 connectors.
Is Walnut Business Park open to the public?
Yes. Walnut Business Park is listed with public access, and its status is available.
Where is Walnut Business Park?
Walnut Business Park is at 829 South Lemon Avenue, Diamond Bar, CA 91789. Its coordinates are 34.00231, -117.85596.
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Dataset updated . Source: US DOE Alternative Fuels Data Center station 332921, weekly full pull.
About this data
Source: US Department of Energy Alternative Fuels Data Center (AFDC) station registry, as published October 19, 2026 — ChargeCensus refreshes it weekly. See the methodology for how records are matched, cleaned and scored.
Cite as: ChargeCensus, “Walnut Business Park, Diamond Bar, CA (AFDC station 332921)”, https://chargecensus.com/stations/california/walnut-business-park-332921 (data as of October 19, 2026).