Vacaville adopts the California Green Building Standards Code (CALGreen) and the California Building Code through Vacaville Municipal Code Chapter 15.20. New residential and commercial construction must include the EV-capable, EV-ready, and EV-charging-station parking spaces required by CALGreen Chapter 5.106 and Chapter 4.106. Permits for EV charging equipment installations are issued through the Vacaville Building Division.
Vacaville's EV-charging infrastructure requirements flow through three layers. (1) State building standards: VMC Chapter 15.20.252 adopts the California Building Code and CALGreen as the City's construction codes. CALGreen §4.106.4 requires new one- and two-family residences and townhouses to install at least one EV-ready parking space (40-amp, 208/240-volt branch circuit) at the time of construction; multifamily and nonresidential CALGreen §5.106.5 sets percentages of EV-capable, EV-ready, and EV charging station (EVCS) spaces by parking-lot size, escalating in the 2022 and 2025 code cycles. The 2025 CALGreen update (effective Jan 1, 2026) requires every multifamily parking space to have at least a low-power Level 1 EV receptacle. (2) Permits: Installation of a residential Level 2 charger requires an electrical permit through Vacaville Building Division (eTRAKiT). Commercial EVSE projects additionally require accessibility plan review and may trigger Public Works review for utility coordination. (3) On-street public chargers: PG&E and third-party EV-charging networks operate public chargers; signed EV-only spaces at public chargers may not be occupied by non-EVs or non-charging EVs under California Vehicle Code §22511. Vacaville also enforces a city-owned charging-station policy at City Hall, Town Square, and other municipal sites.
New construction that fails to install the required EV-capable, EV-ready, or EVCS spaces under CALGreen (as adopted by VMC 15.20.252) cannot pass final building inspection. Installing a Level 2 charger or sub-panel without an electrical permit is a building-code violation enforced by the Building Division. Parking a non-EV in a posted EV-charging space, or an EV that is not actively charging, is citable under California Vehicle Code §22511 — typical fines start around $100.
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