Free bill analysis - bring a power bill, get the production math for your actual roof, panel brands like Qcells and REC compared side by side
If the pitch starts at your door and ends with "sign tonight for the special," sleep on it. The sun will still be there tomorrow; so will we.
Solar Services in San Pablo, CA
Looking for a solar company in San Pablo that actually knows the city? Most of our San Pablo estimates come in at no trip charge, and a live person answers when you call (877) 550-6892 - day or night. We’re not a door-knocking outfit. We’re Gus’s Solar, owned by Gus Petrakis, and we serve San Pablo homeowners with the kind of straight talk that’s gotten scarce in this industry.
Whether you’re on a quiet street off Rumrill Boulevard or tucked into a 1950s bungalow near Contra Costa College, bring us a bill and we’ll bring you the math. No brochure estimates, no pressure, and no signature wanted tonight. That’s how it’s been since 2011, and that’s how it stays.
What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
- 2
You get an upfront price rangeHonest numbers before anyone is dispatched.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Why San Pablo Homeowners Choose Gus’s Solar
San Pablo is the kind of place where people still ask their neighbor who fixed their fence before they call a contractor. We get that. Gus’s Solar is locally owned and owner-operated - Gus Petrakis puts his own name on the truck, answers his own phone, and stands behind every job with a written 90-Day Done Right Promise. If it’s not right, Gus makes it right. One call brings him back.
We serve homeowners across San Pablo including the neighborhoods near San Pablo Avenue, the hillside streets north of El Portal, and the blocks around Riverside and Dover elementary schools. Reviews from San Pablo homeowners consistently mention the same things: a live person on the phone, a crew that shows up on time, and a price that matches the final invoice. Our technicians are background-checked and uniformed. They’re Gus’s own crew, not a subcontracted team you’ve never seen before, and they do the install themselves. Roof penetrations get flashed properly. Panels get squared off like they’re on our own roof.
Solar Services We Offer in San Pablo
Solar Panel Installation in San Pablo
New Solar Panel Installation - San Pablo systems sized to your actual utility bill and your roof’s real usable surface, not a generic template. Most San Pablo homes fall in the 4 to 7 kW range given the compact post-WWII rooflines we see throughout 94806.
Learn more about our Solar Panel Installation in San Pablo.

Solar Battery Storage & Backup in San Pablo
San Pablo Solar Battery Storage & Backup keeps your refrigerator and lights running when PG&E shuts the power down. We pair battery systems with new or existing solar and quote storage based on what you actually need to power, not what a catalog says.
Learn more about our Solar Battery Storage & Backup in San Pablo.

Solar Panel Cleaning in San Pablo
San Pablo’s inland position means less salt air than Richmond, but summer dust and occasional wildfire ash still coat panels and cut output, which is why San Pablo Solar Panel Cleaning matters. We clean systems carefully by hand and check connections while we’re up there.
Learn more about our Solar Panel Cleaning in San Pablo.

EV Charger Installation
We handle EV Charger Installation - San Pablo in garages and carports, often alongside a panel upgrade if your 1950s-era electrical service needs it. The charger gets sized for your vehicle and your driving habits, and the work is done by our own licensed crew.

Solar Panel Maintenance & Monitoring
Systems need more than a handshake after install day. We monitor production remotely and when a panel underperforms or an inverter throws a fault, we call you - not the other way around. Most maintenance visits in San Pablo are scheduled within a few days.

Solar Panel Repair
Micro-inverter failures, chewed wiring, cracked glass, water ingress. We diagnose and repair systems other companies installed too. If you have a written estimate from anyone else, bring it to us for a free second opinion.

Commercial Solar Installation
San Pablo’s commercial properties along San Pablo Avenue and Rumrill Boulevard can offset serious utility costs with rooftop or carport solar. We quote year-25 output on commercial work too, because honest math doesn’t stop at the residential property line.

Neighborhoods We Serve in San Pablo
We work throughout San Pablo and the 94806 zip code week in, week out. If you’re in one of these areas, we’re likely already on a roof nearby:
- Neighborhoods off San Pablo Avenue
- Streets near Contra Costa College
- Homes around El Portal
- Blocks near Riverside and Dover elementary schools
- West San Pablo near the Richmond border
Typical response time for San Pablo calls is same-day for emergencies and within one to two days for most scheduled estimates. No trip charge inside our own county.
Why San Pablo’s Climate & Housing Affect Solar
San Pablo sits on a flat inland plain just far enough from San Pablo Bay to escape the heavy marine layer that dulls solar output along the Richmond shoreline and up into the Berkeley hills. Average peak sun hours here run closer to what you’d see along the Walnut Creek corridor than what you’d get near the coast. Summer afternoons reliably reach the mid-to-upper 80s with clear skies, which means rooftop systems produce strong afternoon power and deal with very little salt-air soiling.
Now the honest part: San Pablo’s housing stock is dominated by small post-WWII bungalows and modest ranch homes built between the 1940s and early 1960s. Most still have their original 60 to 100 amp electrical panels, which means a service upgrade is usually required before PG&E will approve a solar interconnection. Roof footprints are tight too, typically 900 to 1,400 square feet of usable south or west-facing surface. That constrains most residential systems here to the 4 to 7 kW range unless you choose high-density panels like Qcells or REC. None of this is a dealbreaker. It just means the sizing conversation has to start with your real roof and your real panel, not a glossy brochure.
Pricing for Solar in San Pablo
Here are realistic ranges for San Pablo work. Every estimate is built from your actual utility bill and your roof’s measured surface, so treat these as starting points:
- Residential panel installation: $11,000 to $19,000 before incentives, for systems in the 4 to 7 kW range common to San Pablo’s stock of post-war homes
- Main panel upgrade (200A): $3,500 to $5,500, required on most original 60 to 100 amp San Pablo panels
- Battery backup (single unit): $9,000 to $14,000 installed, depending on brand and load needs
- Panel cleaning: $150 to $300 per visit for typical residential arrays
- EV charger installation: $800 to $1,800 including wiring, plus any panel work needed
Every quote we give in San Pablo includes the 90-Day Done Right Promise in writing. We also offer a Senior and Veteran 10% discount that never expires, $40 off any repair over $200, and a free second opinion on any written estimate from another company. Call (877) 550-6892 for exact pricing on your house.
Service Area - Cities Near San Pablo
San Pablo is our anchor here in West Contra Costa, but the crew regularly works neighboring communities too. If you have family or a rental property in El Sobrante, Richmond, Pinole, or Tara Hills, we cover those areas with the same crew, same pricing discipline, and same 90-day promise.
Serving San Pablo, CA - Our Local Coverage Area
We’re based in the San Pablo area and know this community well. Use the map below to see our service coverage - if you’re nearby, we can almost certainly help.
FAQs About Solar in San Pablo
Yes. San Pablo is among the lowest median-income cities in the Bay Area, which means a disproportionately large share of residential solar projects here qualify for the SASH (Single-family Affordable Solar Homes) program administered by GRID Alternatives. Qualifying homeowners can receive deeply subsidized or even zero-cost systems that virtually never appear in wealthier neighbors like El Cerrito or Pinole. The best part: San Pablo’s flat inland position, just east of Richmond’s recurring marine fog layer, gives it meaningfully higher annual sun hours, so those subsidized systems actually perform well. Call (877) 550-6892 and we’ll help you figure out if your household qualifies before any money changes hands.
Most likely, yes. The vast majority of San Pablo homes were built between the 1940s and early 1960s and still carry original 60 to 100 amp panels. PG&E interconnection approval typically requires 200 amp service, which means a panel upgrade is often step one. We inspect your panel during the first visit and give you a straight answer about whether an upgrade is required or whether you can proceed without one. The cost is always included in your written estimate before you sign anything.
San Pablo operates its own municipal building department rather than using Contra Costa County’s permitting system, and experienced local installers know that inspection scheduling here can stretch unpredictably. We submit permit applications well before equipment arrives on-site because we’ve learned that county-standard assumptions about timeline or fees will get a crew in trouble. If you want a realistic install window for your project, call (877) 550-6892 and we’ll tell you what we’re seeing from the city this month.
It depends on your bill and your roof’s orientation, but the answer is usually yes when you choose the right panel. San Pablo’s tight roof footprints, typically 900 to 1,400 square feet of usable south or west surface, mean most systems land in the 4 to 7 kW range. High-density panels like Qcells or Panasonic make those smaller systems produce more than older, bulkier models ever could. The math only works if it’s built off your actual usage and your actual roof measurements. That’s exactly how we quote.
In San Pablo, typically yes. Most estimates here are scheduled within one to two days, and emergency repair calls get same-day response whenever the crew is in the area. We don’t charge a trip fee inside our own county, and a live person answers the phone 24/7. Call (877) 550-6892 and we’ll give you a real arrival window, not a vague “sometime Thursday.”
Get a Straight Answer About Solar in San Pablo
If a salesman needs an answer tonight, the answer is no. At Gus’s Solar, you bring your bill, we show you the math, and then you take two weeks to think about it. The price will be the same. This is San Pablo, and we’ve been doing honest work long enough to know that word travels fast here. Call (877) 550-6892 for a free estimate from a company that puts its own name on the work.
Written by Gus Petrakis, Owner at Gus’s Solar, serving San Pablo since 2011.
What happens when you call
- 1A real person answersNo phone trees - talk to a local solar pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically within 1-hour.
- 4You approve before work beginsNothing starts until you say go.
What San Pablo Customers Say
"The install itself was excellent and the system performs as modelled. Permitting and the utility interconnection took about four months, most of it out of his hands, though the waiting was still frustrating."
- Marguerite Ostrowski"Told me straight that a battery did not make sense for how we use power and sold me the array without it. He talked himself out of a good deal of money that afternoon."
- Reginald Pontefract"He flashed every roof penetration properly and showed me the flashing before it went down. Three roof seasons on and not a drop anywhere."
- Philomena Achara






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