Cupertino Electrician: Instant Panel and EV Charger Permits

The work

Four electrical jobs and the Cupertino paperwork behind each

A panel upgrade on the instant permit
Cupertino's instant permits run through Accela Citizen Access and are open only to licensed contractors with an active account. A panel upgrade qualifies when the new panel stays where the old one was, is no larger than 200 amps and the house is not in an HOA; anything else is a standard permit. After the work, the city inspects for an electric meter release, and the inspector applies a Meter Release Sticker that tells PG&E's field crew the service can be connected.
A Level 2 charger in the garage
Level 1 and Level 2 chargers at houses that are neither historic nor in an HOA can be permitted instantly; the rest go through the city's expedited EV checklist, filed by email or at City Hall. The checklist asks for a load calculation, and Cupertino's worksheet counts a charger at 125 percent of its nameplate or 9,600 VA, whichever is larger. A charger in a 100-year flood hazard zone must sit above the base flood elevation under Municipal Code 16.52.043, shown on a surveyor's elevation certificate.
Heat pumps, and the panel drawn on the plan
A heat pump water heater or heat pump heating and cooling system needs a permit under Section 16.04.050 of the Municipal Code. The city's handout asks for a floor and site plan showing the size and location of the main electrical panel, so staff can judge whether the existing system can carry the new load, plus a sound rating worksheet checking the outdoor unit against the noise ordinance. With a complete package, the permit can be issued over the counter to the owner or a licensed contractor.
Rooftop solar through SolarAPP+
Solar contractors registered with SolarAPP+ can apply for Cupertino's Instant Solar Permit for roof-mounted panels, with or without batteries, and can add a main electrical service upgrade to the same application. Eichlers are excluded from that route. In October 2026 the city's page also carried a notice that instant permits were paused during a business license system upgrade, with applications taken by email to the permit center, so check the page before planning around it.

Apple Park in Cupertino, from the air. Photo: Daniel L. Lu, CC BY-SA 4.0, via Wikimedia Commons.

The houses here

Orchard tracts, a slab-built Eichler enclave and big rebuilds

Cupertino's houses are mostly post-war, built where prune, apricot and cherry orchards once stood, and the city's own permit rules now sort them into groups that matter to an electrician. Fairgrove's 220 Eichlers, finished in the early 1960s, are the type the city's handbook describes as slab-built under low-pitched or flat roofs, with radiant-heat floors, so a new circuit has no crawlspace to travel through. They are also shut out of the instant SolarAPP+ solar permit, which sends a Fairgrove solar job to standard review. A house inside a homeowners association loses the instant route for panel and charger work alike, and a historic property loses it for chargers. Where an original has been torn down for a larger two-story house, as across much of Rancho Rinconada, the replacement is new construction and carries Cupertino's electric-ready rules.

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Permits and local rules

The Cupertino documents an electrical bid should match

Instant permits, residential only
The city's list sets the limits: an electrical panel upgrade in the same location up to 200 amps with no HOA; a Level 1 or 2 charging station at a house that is not historic and not in an HOA; a temporary power pole up to 200 amps; and solar only when approved through SolarAPP+ and not on an Eichler. Only licensed contractors with an Accela Citizen Access account may apply, and a project missing from the list needs a standard building permit.
Source: City of Cupertino Building Division (cupertino.gov)
The residential electrical load calculation
Revised in May 2026, the worksheet follows the standard method of Article 220 of the 2025 California Electrical Code and adds Cupertino's own figures in its footnotes. A charger counts at the larger of 125 percent of its nameplate or 9,600 VA. For new construction, the main panelboard needs at least a 225-amp busbar for energy storage readiness, and space is reserved for an electric range, dryer and heat pump water heater wherever gas ones are installed.
Source: City of Cupertino Building Division (cupertino.gov)
Smoke and CO alarm self-certification
When additions, alterations or repairs to a dwelling are valued over one thousand dollars, the residential code requires working smoke and carbon monoxide alarms, and Cupertino will not final the permit until this certificate is signed and returned or an inspector checks the alarms in person. Battery-only alarms are allowed where the work removes no wall or ceiling finish and there is no attic, basement or crawlspace access; alarms wired into the house need an electrical permit.
Source: City of Cupertino Building Division (cupertino.gov)
Electric-ready and EV-ready new houses
For a new house with one or two units, Municipal Code 16.58.400 and the 2025 Energy Code require the readiness items on the plan cover sheet. A dwelling with a private garage gets 40 amps of 208/240-volt capacity for a charger and a 1-inch raceway to the parking spot, unless the full circuit is installed at the start, labeled EV READY. Beside a gas furnace, cooktop or dryer goes a labeled 240-volt circuit and reserved breaker space for its electric replacement.
Source: City of Cupertino Building Division (cupertino.gov)

State license for this work: C-10 Electrical. Look up a contractor's license on the CSLB website (cslb.ca.gov).

Part by part

Two Cupertino neighborhoods where the permit route changes

Fairgrove
The 220 Eichlers bounded by Phil Lane, Tantau Avenue, Bollinger Road and Miller Avenue sit on slabs with no crawlspace for new wire, and they are excluded from the instant SolarAPP+ solar permit. A same-spot panel upgrade can still go instantly, while solar goes to standard review, and additions and remodels must also meet the R1e Eichler regulations in Chapter 19.28.100 of the zoning code.
Rancho Rinconada
Many of the 1950s Cliff May ranch houses between Stevens Creek Boulevard and Bollinger Road have given way to two-story rebuilds. A teardown and rebuild is new construction, so the new house carries the electric-ready and EV-ready requirements on its cover sheet, while an original that is kept and upgraded follows the rules for existing houses and can still use the instant permits.

Before you hire

Questions for an electrician before Cupertino's permit desk sees the job

Ask whether the job qualifies for an instant permit, and whether they hold the active Accela Citizen Access account needed to pull it.
Confirm the company and every subcontractor hold a City of Cupertino business license; the city will not schedule a final inspection until they do.
For a charger, ask to see the load calculation with the car counted at no less than 9,600 VA.
For a heat pump, ask who draws the plan showing the panel and who fills in the sound rating worksheet for the outdoor unit.
Look up their C-10 Electrical classification on the CSLB website before the permit is filed.

Questions

Asked by Cupertino owners before an electrician arrives

Can I replace a breaker in Cupertino without a permit?

Yes, if it is a branch-circuit breaker of the required capacity in the same location. Cupertino's exempt list also covers reinstalling attachment-plug receptacles, though not the outlets, low-voltage wiring under 25 volts and 50 watts, and replacing lamps. The city's FAQ is plain that anything not on its list needs a permit, and it names outlets, lighting fixtures, wiring, panels and services among the electrical work that does.

Does a new garden shed in Cupertino need an electrical permit if it is too small for a building permit?

Yes, if it gets power. Cupertino exempts one-story detached sheds of 120 square feet or less from a building permit, but its FAQ states that any electrical work in them still requires an electrical permit. That covers a circuit run out to the shed for a light or a receptacle.

Who is our electricity provider in Cupertino?

Silicon Valley Clean Energy is the city's default generation provider, with customers enrolled automatically in 2017 unless they opted for PG&E generation. PG&E still provides the gas and electric service itself, and after a service upgrade its field staff reconnect the house only once a Cupertino inspector has passed the meter release and applied the sticker.

Why can't our Fairgrove Eichler get an instant solar permit?

Cupertino's instant permit list allows solar only when the system is approved through SolarAPP+ and the house is not an Eichler. Fairgrove's Eichlers therefore go through the standard permit process with plan review instead. A same-location panel upgrade on the same house can still use the instant route, as long as the property is not in an HOA.

Will adding a charger in Cupertino bring the smoke and CO alarm rules into play?

Often. The city's EV checklist lists the smoke and carbon monoxide alarm certificate as a step where it applies, and the alarm rules cover work valued over one thousand dollars. Smoke alarms go in each bedroom, outside each sleeping area and on every level; CO alarms are needed only in a house with fuel-burning appliances or an attached garage.

Keep exploring

More on electrical work and Cupertino

Other trades in Cupertino

Guides and smaller jobs

California smoke and CO alarm rules, and exactly where each one goes

Where this page belongs

Where these facts come from

Checked against these public sources in October 2026. Rules and programs change: confirm permit requirements with the city before work starts, and a contractor's license on the CSLB website.

cupertino.gov: Instant Permits Residential Only (cupertino.gov)
cupertino.gov: Building Division FAQ (cupertino.gov)
cupertino.gov: Instant Solar Permit SolarAPP (cupertino.gov)
cupertino.gov: residential electrical load calculation (cupertino.gov)
cupertino.gov: updated ev checklist updated 4.30.2025 (cupertino.gov)
cupertino.gov: smoke co affidavit form 2025 (cupertino.gov)
cupertino.gov: heat pump permit requirement (cupertino.gov)
cupertino.gov: electric ready requirements for new sfd 5.4.2026 (cupertino.gov)
cupertino.gov: residential inspection procedure 03.04.2025 (cupertino.gov)
cupertino.gov: Energy (cupertino.gov)
cupertino.gov: reachcodes (cupertino.gov)
cupertino.gov: eichler handbook (cupertino.gov)

Wiring a Cupertino house, from instant permits to PG&E's meter sticker

Four electrical jobs and the Cupertino paperwork behind each

A panel upgrade on the instant permit

A Level 2 charger in the garage

Heat pumps, and the panel drawn on the plan

Rooftop solar through SolarAPP+

Orchard tracts, a slab-built Eichler enclave and big rebuilds

Get quotes for electrical work in Cupertino

The Cupertino documents an electrical bid should match

Instant permits, residential only

The residential electrical load calculation

Smoke and CO alarm self-certification

Electric-ready and EV-ready new houses

Two Cupertino neighborhoods where the permit route changes

Fairgrove

Rancho Rinconada