Solar Panel Installation in San Leandro, CA | Gus’s Solar - Gus's Solar

Solar Panel Installation in San Leandro - Same-Day Service, Done Right the First Time

Professional solar panel installation services in San Leandro, CA. Licensed & insured. Same-day and after-hours emergency service available.

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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

Your own solar system for as low as $79/month*on approved credit; ask for current terms
Worth knowing

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.

Styles & brands we work with

Rooftop solar
Rooftop solar
Battery storage
Battery storage
EV charging
EV charging
Qcells
Qcells
REC
REC
Enphase inverters
Enphase inverters

Before & after – our own jobs

Before - Recent ProjectBeforeAfter - Recent ProjectAfter
Recent Project
Before - Full RestorationBeforeAfter - Full RestorationAfter
Full Restoration
Before - Complete UpgradeBeforeAfter - Complete UpgradeAfter
Complete Upgrade

Fast, Reliable Solar Panel Installation Across San Leandro

If you live in San Leandro and your PG&E bill keeps climbing while your roof gets full afternoon sun, you’re probably wondering whether solar actually pencils out here. The short answer: yes, for most San Leandro homes it does, but the numbers depend heavily on where your house sits between the bay flats and the East Bay hills. A rooftop solar installation in the 94577 flatlands faces different fog patterns than one up in the 94578 hills, and a quote that ignores that distinction isn’t a quote you should trust. Gus’s Solar installs solar panel systems across San Leandro every week, and Gus Petrakis himself builds every estimate off your actual utility bill. Call (877) 550-6892 and we’ll come out, walk your roof, and show you the math without asking for a signature.

Call (877) 550-6892

Why Gus’s Solar Is San Leandro’s Preferred Solar Panel Installation Company

We’ve been at this long enough that San Leandro homeowners recognize the truck. That matters in a city where a lot of the housing stock went up between 1945 and 1970, and where the difference between a clean install and a leaky roof ten years later comes down to who was actually on the ladder. Gus Petrakis puts his own name on the work, publishes his license number, and answers his own phone. When you call (877) 550-6892, a live person picks up, not a ticketing queue.

We work all three San Leandro ZIP codes, 94577, 94578, and 94579, and we know the neighborhoods. The ranch houses off Bancroft Avenue, the hillside streets above Estudillo, the older bungalows near Washington Manor. That local knowledge changes how we design systems. A south-facing roof on a hillside lot in 94579 produces differently than a west-facing roof down near the Marina. When you call us for a consult, the person who shows up knows San Leandro, not just solar.

Our reviews from San Leandro customers consistently mention the same things: we show up on time, we quote a price and hold it, and we don’t disappear after the permit clears. The 90-Day Done Right Promise is in writing on every job. If something’s not right, Gus comes back and makes it right. One call, that’s it.

Our Solar Panel Installation Services in San Leandro

Rooftop Solar Installation

Most San Leandro homes we work on are single-story ranch houses with composition shingle roofs, which is about as straightforward as rooftop solar gets. We handle the full install, from mounting hardware through panel placement, inverter wiring, and final inspection, and we also offer Solar Panel Cleaning in San Leandro to keep systems running at peak output. Because so many local roofs date from the 1950s and 60s, we pay extra attention to flashing and penetration sealing. A solar array should outlast the roof under it, and in San Leandro’s marine air, sloppy flashing rusts.

Rooftop Solar Installation

Solar System Design & Permitting

San Leandro building permits move at a different pace depending on which year your home was built and what’s already been changed. We handle the entire design and permitting process, including the dreaded 60-amp or 100-amp panel upgrade that a lot of these post-war tract homes need before the city will sign off. If your service panel is original to a 1955 bungalow, we’ll tell you on day one what that upgrade costs, not spring it on you after you’ve signed.

Solar System Design & Permitting

Solar Panel Replacement

If your existing system is underproducing, or a string of panels has aged out, we can handle our Solar Panel Maintenance & Monitoring in San Leandro to catch issues early, or replace individual panels or entire arrays. We see systems in San Leandro that were installed a decade ago by companies that no longer exist, and the homeowner is stuck with orphaned equipment. We’ll assess what’s salvageable and quote an honest replacement. We keep parts local, and we don’t make you wait six weeks for a truck from Nevada.

Solar Panel Replacement

Roof-Mount & Tile Roof Solar

A handful of San Leandro homes, especially the older ones near Estudillo Avenue and up toward the hills, have tile roofs. Tile work is a different skill than shingle work, and if a crew doesn’t know how to walk a tile roof without cracking it, the install gets expensive fast. Gus’s own crew handles tile roof solar mounting in-house. We don’t subcontract it out to whoever’s available. That’s the whole point of having a name on the truck.

Roof-Mount & Tile Roof Solar
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Call (877) 550-6892

What happens when you call

  1. 1
    A real person answersNo phone trees - you reach a local pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched.
  3. 3
    A background-checked tech heads outLicensed & insured, dispatched right away.
  4. 4
    You approve before work beginsNothing starts until you say go.

Trusted Brands We Service in San Leandro

We install and service equipment from Panasonic, Canadian Solar, and JinkoSolar, among others. For San Leandro homeowners we typically recommend panels that handle partial morning fog without giving up afternoon production, and we pair them with inverters sized for the actual array, not an upsized system you don’t need. If you’re adding battery backup later, we work with FranklinWH systems so your storage integrates cleanly with the panels from day one, and we also offer our EV Charger Installation in San Leandro for homes going fully electric. We stock common replacement parts locally, which means a failed microinverter in 94578 doesn’t mean a two-week wait.

Common Solar Panel Installation Problems We See in San Leandro Homes

  • Undersized electrical panels on post-war homes. Most San Leandro houses built before 1970 still have the original 60-amp or 100-amp service panel. You can’t safely add a solar array and an EV charger on that load without an upgrade, and the cost should be in your proposal from the beginning, not discovered mid-permit.
  • Marine-layer production loss on west-facing flats. Homes in 94577 near the bay regularly sit under fog until late morning from May through September. We see installers quote those roofs using sunny-inland production numbers, and the system underproduces for two decades. We calculate irradiance for your actual site, not a generic San Leandro average.
  • Tile roof cracking from inexperienced crews. Hillside homes in 94579 and parts of 94578 often have tile roofs. A crew that doesn’t know how to work tile will crack tiles during the install and leave you with a leak you don’t notice until the first heavy rain. We walk tile roofs daily and replace any tile we damage, which is rare because we know how to walk them.
  • Orphaned systems from defunct installers. We regularly get calls from San Leandro homeowners whose original installer went out of business. The panels are fine, but the monitoring portal is dead and nobody’s answering the service line. We take over those systems, re-establish monitoring, and bring the array back to full production.

Pricing for Solar Panel Installation in San Leandro, CA

A typical rooftop solar installation in San Leandro runs between $14,000 and $26,000 before the federal tax credit, depending on system size, roof condition, and whether you need a panel upgrade. Most San Leandro homes we quote land in the $17,000 to $22,000 range for a system that covers 90 to 110 percent of annual usage. Tile roof installs typically add $1,500 to $3,500 due to the extra labor and mounting hardware. If your home needs a service panel upgrade from 100-amp to 200-amp, budget an additional $2,500 to $4,000, and we’ll tell you that number on the first visit, not the fifth. Every estimate is built off your actual PG&E bill, not a brochure. Call (877) 550-6892 and Gus will walk you through the math. The estimate is free, and there’s no pressure to sign anything tonight. Take two weeks. Think about it. The price will be the same.

We Also Serve Cities Near San Leandro

Besides our work across San Leandro, we regularly install solar in Ashland, San Lorenzo, Cherryland, and Castro Valley. Each of those communities has its own housing stock and its own microclimate, and we treat them that way. If you’re in a neighboring city and want to know how our Solar Panel Installation process works for your specific roof, call us. If you’re in San Leandro proper, you can learn more about how we serve the area on our San Leandro page. We also handle Solar Battery Storage & Backup in San Leandro for homeowners who want power during PG&E outages, and we keep systems running with Solar Panel Cleaning in San Leandro so fog grime and bird droppings don’t eat into your production.

Serving San Leandro, CA - Our Local Coverage Area

We’re based in the San Leandro 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 - Solar Panel Installation in San Leandro

Call Gus’s Solar for Solar Panel Installation in San Leandro, CA

If you’re ready to see real numbers for your San Leandro roof, call (877) 550-6892. Bring us a bill, and Gus will bring you the math. No pressure, no overnight deadlines, no signature tonight. Just an honest look at what solar would do for your home and your PG&E bill. We’ll answer the phone when you call, and Gus will be the one on your roof when the install happens.

Written by Gus Petrakis, Owner at Gus’s Solar, serving San Leandro and surrounding East Bay communities since 2011.

Why San Leandro Chooses Gus's Solar

We set the standard for solar panel installation in San Leandro.

30-60 Min Response

Fast dispatch across San Leandro. Same-day and after-hours emergency service available.

Licensed & Insured

Fully certified technicians who meet all local and state licensing requirements.

Upfront Pricing

No hidden fees, no surprises. You approve the price before any work begins.

Guaranteed Work

Every repair and installation is backed by our workmanship warranty and satisfaction guarantee.

How It Works in San Leandro

Getting your solar panel installation handled is simple and fast.

1

Call or Request a Free Estimate

Tell us about your solar panel installation needs and we provide an upfront, transparent quote - no obligation, no hidden fees.

2

Licensed Technician Dispatched

A background-checked, certified technician arrives in San Leandro - typically within 30-60 minutes, with parts stocked on the truck.

3

Problem Solved, Guaranteed

We complete the job to your full satisfaction, backed by our warranty and 100% satisfaction guarantee.

What happens when you call

  1. 1
    A real person answersNo phone trees - talk to a local solar panel installation pro.
  2. 2
    You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
  3. 3
    A background-checked tech heads outLicensed & insured, typically within 1-hour.
  4. 4
    You approve before work beginsNothing starts until you say go.

What San Leandro Customers Say

Trusted by homeowners across San Leandro and surrounding areas.

★★★★★

"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 · Verified customer
★★★★★

"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 · Verified customer
★★★★★

"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 · Verified customer

Current Offers

Bring these savings to your next appointment.

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10% Off Your First Service Visit

Valid on your first completed service visit with us.

Expires Dec 31, 2026
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$40 Off Any Repair Over $200

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Free Second Opinion on Any Written Estimate

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No Trip Charge Inside Our Own County

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10%

Senior & Veteran 10% - Always

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