Electrical Panel Upgrade in Sebastopol, CA

What the first visit covers

We do not quote a panel from a photograph. Six things get established before a number means anything.

The service rating, confirmed rather than assumed. The figure stamped on a main breaker is not automatically the service size. On older homes here we regularly find a 100-amp main behind conductors and a meter socket rated for less. The smallest rated component in the chain is the actual service.

How the service arrives. Overhead drops to a mast and weatherhead behave differently from underground laterals in conduit. A corroded riser usually means the mast, weatherhead, and service entrance conductors get rebuilt alongside the panel. An underground service that has to grow may mean trenching, which on a rural parcel can be the largest single item.

The grounding electrode system. Plenty of pre-1970s houses have a ground connection to a water pipe since partially replaced with plastic, ground rods never driven, or a bonding jumper cut during a remodel. A new panel does not create a grounding system.

The branch circuits. Two-wire ungrounded circuits stay ungrounded behind a modern enclosure, and aluminum branch conductors from the late 1960s and 1970s need specific terminations and devices. Neither problem is solved by the panel, and both are cheaper to address while it is open.

The panel line itself. Two names come up constantly on houses built between the 1950s and the 1970s: Federal Pacific Stab-Lok and Zinsco. The problem with both is supply. Neither is in production and listed replacement breakers are not manufactured, so insurers and inspectors flag them on sight.

Everything you plan to add. A heat pump, a heat pump water heater, an induction range, a hot tub, a charger, an ADU, a battery. We would rather size once for the decade than have you buy two upgrades eight years apart.

Symptoms bringing people here are mundane and worth taking seriously: breakers tripping when the dryer and microwave overlap, lights dimming when the well pump starts, no open spaces, warmth or a burning smell at the cover, buzzing at the meter. Scorching or heat through the dead front is a stop-using-it-and-call situation.

Load management uses listed hardware to keep two large loads from drawing simultaneously, holding computed demand under the existing rating. A circuit-sharing device between a charger and a dryer is the simple version. A smart panel monitors and sheds continuously, which can let a modest service take on appliances a static calculation would reject. We are a SPAN Certified Installer, so when a SPAN smart panel is genuinely the right answer we install it to the manufacturer's specification rather than improvising around it. PG&E now points customers toward meter-mounted smart panels as a way to add large appliances without overloading an existing panel, while noting that ADUs, larger load additions, and outdated or unsafe equipment still require a traditional upgrade (PG&E, PanelBoost).

This is also where cost stops being mysterious. What drives the price is not the brand of breaker. It is the service rating you land on, overhead versus underground, whether the mast gets rebuilt, trenching, relocating the meter, building a grounding electrode system from nothing, replacing an undersized feeder to an outbuilding, and whether generator or battery hardware is in scope.

PG&E's half of the job

The dividing line is the point of connection. PG&E owns the service conductors and the meter. You own the meter socket, the panel, and everything downstream. If the service rating changes, or the meter moves, or an overhead drop becomes an underground lateral, the utility has work of its own and an application has to be filed.

PG&E's guidance is to bring in a licensed electrical contractor to plan the service renovation and to connect with the utility early. Once an application for service is submitted, PG&E assigns a representative within five business days who becomes the point of contact (PG&E, Building & Renovation). How new service equipment must be built, located, and made accessible is set out in the utility's own construction standards (PG&E, Greenbook Manual Online), and building to them the first time is the difference between one meter-set appointment and three. This step sets the calendar, which is why "how long does the install take" and "when can you do it" have different answers.

Install day

For a straightforward replacement the work is one day, with power off for most of it. On a well-served property that means no water, so fill what you need the night before.

The order on site is consistent. The meter is pulled and the service goes dead. The old enclosure comes off. New service equipment goes on, plumb and at the right height, with the mast or lateral rebuilt if the survey called for it. Grounding electrodes are driven or connected and the bonding is made up. Branch circuits get landed, and this is where the survey pays for itself, because circuits that were short, spliced in a wall, or terminated on the wrong conductor all surface at once. Terminations are torqued to the manufacturer's published specification, a real failure point when skipped. Then the directory is written accurately, a small thing homeowners use for twenty years.

Surprises are normal: a meter socket no longer listed, a mast that fails as soon as it is loaded, a bathroom circuit that turns out to feed a shed. We flag them as they appear rather than after the fact.

Inspection, reconnect, and closing the job

The jurisdiction inspects, city or county depending on the parcel. Concealed work may need a rough inspection before the final; a straight service change is usually one visit. The sign-off releases the reconnect, PG&E restores power and seals the meter, and the permit is finaled rather than left open.

The first year, and what maintenance means

Panels are not appliances and do not need annual service the way a furnace does. Sebastopol's west-county setting is cooler and more coastal than inland Santa Rosa, though summer still brings warm stretches, and damper coastal air is harder on exterior enclosures. On an outdoor panel or meter main, watch for corrosion at the seams, a dead front or gasket that no longer seals, and rust bleeding from a hinge or knockout.

The rest is short. Keep the code-required clear working space in front of the panel clear: no shelving, no stored boxes, no cabinetry built over it during a remodel. Test GFCI and AFCI devices on the schedule printed on them, and update the directory whenever a circuit is added or moved. Have terminations checked after the first full heating and cooling season, since thermal cycling can relax a connection that was correct on install day. And treat a repeatedly tripping breaker as information, because it is reporting an overload or a fault.

Where we work, and what else lands on the same panel

We cover downtown Sebastopol, the Gravenstein corridor, and west county. In town the work is tight sites, older services, remodeled walls, and meter relocations close enough to a neighbor to need a conversation. Out of town it is long service runs, detached buildings, and well pumps.

Because we run all four trades, the loads we size for are often loads we also install. That comes up with a heat pump in Sebastopol, where the outdoor unit and air handler both land on the panel, and with a water heater replacement, since a heat pump water heater commonly needs a dedicated 240-volt circuit a full panel cannot supply. It comes up again with solar and battery work, where the interconnection method and backup loads are decided at the same enclosure. Our electrical service page for Sebastopol covers circuits, lighting, and generators.

What the incentive picture looks like right now

Panels are rarely the rebated item. The panel is the enabling work that lets rebated equipment exist, so it belongs in the conversation while you are choosing a service size. All of it is worth re-confirming at project time.

Sonoma Clean Power runs an enhanced heat pump water heater rebate that is time-limited; once it steps down, the rebate is available only to customers on the CARE or FERA bill discount programs. Sonoma Clean Power also runs a smart-charger enrollment program rather than an installation rebate, paying a bill credit and a sign-up bonus for enrolling an eligible Wi-Fi connected charger, with eligible devices currently limited to WallBox and ChargePoint models (Sonoma Clean Power, EV Chargers). Here the charger model decides whether you can enroll, so that choice is not purely electrical.

California's 2025 Building Energy Efficiency Standards took effect January 1, 2026 (California Energy Commission), and their strongest prescriptive baselines apply to new construction, which is not the same as a replacement requirement.

How to choose an electrician for panel work in west county

Ask whether they will perform a load calculation and show it to you. Ask which agency permits your specific parcel, because someone who does not know whether your address is city or county has not looked. Ask whether the price includes the utility application and the coordination of the disconnect and reconnect. Ask what happens if the mast, meter socket, or grounding fails inspection, and get the answer before the wall is open. And ask whether they hold a C-10 electrical license.

We are Diamond Certified, we carry a BBB A+ Rating, and we have worked the North Bay since 1932.

What North Bay homeowners say

Two recent reviews from electrical customers: