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.
Fast, Reliable Solar Panel Cleaning Across Topanga
Clean panels in Topanga produce measurably more power than dirty ones. We typically see a 15-25% output drop on canyon arrays that haven’t been cleaned in a year, and on some shaded lots that number climbs past 30%. Gus’s Solar sends background-checked, uniformed technicians to Topanga five days a week, and a live person answers our phone around the clock. Call (877) 550-6892 and you’ll get a straight answer about whether your array needs cleaning or something deeper is going on.
Topanga is not Woodland Hills. The canyon funnels wind, the oaks drop constantly, and the marine layer leaves a film that flatland arrays never see. We know the difference, and we quote pricing off your actual production numbers, not a brochure guess.
Why Gus’s Solar Is Topanga’s Preferred Solar Panel Cleaning Company
Gus Petrakis founded this company in 2011 and still answers his own phone. That’s not a marketing line. Call the number on this page and ask for Gus. He’ll pick up. Homeowners in Topanga deal with enough turnover from national outfits; we’re the local shop with a published address and a license number, and our Solar Panel Cleaning team has been up and down Topanga Canyon Boulevard more times than we can count.
Topanga homeowners call us because we show up when we say we will, we don’t send a sub, and we don’t quote one price on the phone and another at the door. Every job is backed by the 90-Day Done Right Promise in writing. If something isn’t right after we leave, one call brings Gus back. No ticket queue, no voicemail tree. That’s the whole deal.
Our response time to Topanga is usually same-day or next-day for cleaning calls, depending on the season. Post-storm cleaning after a Santa Ana event gets priority scheduling. We cover all of 90290, from Topanga Canyon Boulevard up to the ridge lines and down to the canyon floor near the state park.
Our Solar Panel Cleaning Services in Topanga
We don’t sell a generic hose-down. Topanga arrays sit under oak canopies, catch Santa Ana dust, and get fogged in by the marine layer. Here’s what we actually do when we come out.
Debris & Soiling Removal
A thick layer of oak pollen, leaf litter, and canyon dust blocks sunlight and creates hot spots that degrade cells faster than the manufacturer’s warranty rate assumes. We remove debris by hand where it’s safe, then perform a deionized-water clean with a brush-free rinse so minerals from Topanga’s hard water don’t bake onto the glass. This is the core service most Topanga homes need two to three times a year. A typical debris and soiling removal in Topanga runs $180-$320 for a residential array up to 25 panels, depending on roof pitch and access.

Post-Storm Panel Cleaning
After a Santa Ana wind event, we get a wave of calls from Topanga. Fine dust and ash work into panel frames and around microinverter heat sinks, reducing airflow and causing the inverters to derate. We inspect every panel edge, clear the frames, and verify output with a production meter before we leave. Post-storm cleaning in Topanga typically costs $220-$360, and we prioritize these calls because a dusty array is a fire-season liability on top of everything else.

Residential Panel Cleaning
Every home in Topanga has different shading, different roof pitch, different panel orientation. We don’t treat them the same. On a 1960s A-frame off Topanga Canyon Boulevard, our techs found a south-facing REC 400W system with Enphase microinverters producing 22% below its original production estimate. The culprit: a thick layer of oak pollen and canyon dust across all 18 panels. A deionized-water clean and brush-free rinse brought the system back to within 3% of its modeled kWh offset for that season. Standard residential cleaning in Topanga runs $160-$300, and we verify before-and-after production so you see the difference in numbers, not a promise.

Commercial Array Cleaning
Commercial arrays in Topanga are rare but they exist, and they get just as dirty as residential ones. We schedule commercial cleaning around your operating hours, use lift equipment where the array demands it, and provide production reports for your records. Commercial cleaning quotes are site-specific; call (877) 550-6892 for a free estimate and we’ll come out, look at the array, and give you a number that won’t change when the invoice arrives.

Bird & Critter Guard Installation
Topanga’s canyon wildlife, especially pigeons and squirrels, treat solar arrays as sheltered real estate. Nests under panels block airflow, add weight, and attract droppings that etch glass. We install powder-coated critter guard around the array perimeter, sealed at every gap, so birds and rodents stop getting under the panels. Critter guard installation in Topanga runs $350-$650 depending on the array size and roof edge profile.

Scheduled Cleaning Plans
For homeowners in Topanga who don’t want to think about oak pollen season or Santa Ana ash, we set up scheduled cleaning plans. Twice a year is the baseline; three times makes sense for canyon-floor homes with heavy oak canopy. Plans in Topanga run $280-$500 per year depending on array size and frequency, and you lock in pricing. Senior and Veteran customers get a 10% discount that never expires, applied to any plan.

What happens when you call
- 1
A real person answersNo phone trees - you reach a local pro.
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You get an upfront price rangeHonest numbers before anyone is dispatched.
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A background-checked tech heads outLicensed & insured, dispatched right away.
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You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in Topanga
We clean and maintain arrays built with REC, Qcells, SunPower, and Panasonic panels, plus Enphase and SolarEdge electronics. Topanga homes lean heavily on REC and Qcells panels with Enphase microinverters, usually paired with battery storage, and we know how those systems behave in canyon conditions. We do not push an upsell. If your array is clean and performing, we’ll tell you that and leave. If we see a wiring issue or a microinverter flag, we’ll show you the data and you decide.
We work on systems installed by other companies too. You don’t need to have bought from Gus to call us for cleaning.
Common Solar Panel Cleaning Problems We See in Topanga Homes
- Protected oak canopy soiling. LA County’s Oak Tree Ordinance protects native oaks throughout Topanga, and those trees drop pollen, sap, and leaf litter onto panels nearly year-round. Even a 15% layer of accumulated oak debris creates hotspots that slowly degrade cells. Cleaning twice a year is the minimum for any Topanga home with an oak within 40 feet of the array.
- Santa Ana dust and ash buildup. Topanga Canyon funnels and amplifies Santa Ana wind events relative to surrounding areas. The fine dust driven into panel frames and inverter heat sinks reduces airflow, causing Enphase and SolarEdge units to derate output by 5-10% during the hottest parts of the day. Post-storm cleaning restores airflow and output.
- Marine layer mineral film. Canyon-floor and north-facing Topanga homes see more morning fog than regional solar irradiance maps suggest. When that fog evaporates, it leaves a mineral film that cuts into already-limited peak sun hours. A deionized-water rinse removes the film; tap water makes it worse.
- Steep and non-standard roof pitch. Topanga’s housing stock is a mix of 1950s-1970s rustic cabins, A-frames, and custom hillside homes on steep canyon lots. Many roofs exceed a 6:12 pitch, which makes safe cleaning a harness-and-anchor job. We carry the right fall protection and anchor gear for steep canyon roofs, and we never send a tech onto a roof without it.
Pricing for Solar Panel Cleaning in Topanga, CA
A standard residential panel cleaning in Topanga runs $160-$300 for arrays up to 25 panels. Add post-storm debris clearing or heavy oak pollen removal and you’re looking at $220-$360. Critter guard installation runs $350-$650. Scheduled cleaning plans run $280-$500 per year. Commercial quotes are site-specific.
What moves the price in Topanga: roof pitch, array size, access around the array, whether we need lift equipment, and how long it’s been since the last cleaning. We quote upfront, the price on the estimate is the price on the invoice, and we don’t ask you to sign anything tonight. Take two weeks. Think about it. The price will be the same. Call (877) 550-6892 for a free estimate.
We Also Serve Cities Near Topanga
Our Solar Panel Cleaning in Topanga coverage extends into the surrounding canyon and foothill communities. We serve Calabasas, Woodland Hills, West Hills, and Encino. If you’re not sure whether we cover your street, call (877) 550-6892 and the person who answers will tell you straight.
Serving Topanga, CA - Our Local Coverage Area
We’re based in the Topanga 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 Cleaning in Topanga
Topanga homes under oak canopy need cleaning two to three times a year, compared to once or twice a year in flat neighborhoods like Woodland Hills. The protected oaks drop pollen in spring, leaf litter in fall, and sap and dust almost continuously. If your array sits within 40 feet of an oak, you’ll likely see a 15-25% production drop within six months of your last cleaning. Call (877) 550-6892 and we’ll come out and check production numbers before recommending a schedule.
No. Cleaning your panels with deionized water and non-abrasive methods does not void the Enphase microinverter warranty, even with a solar-plus-battery setup and rapid shutdown components. We never open the inverter housing or touch live electrical parts during a cleaning. We work around the rapid shutdown equipment, keep water away from conduit and junction boxes, and verify output afterward. The danger comes from DIY cleaning on steep canyon roofs, not from the inverter side. If you’re not sure about your setup, call (877) 550-6892 and we’ll answer the question over the phone before you book.
After a Santa Ana wind event in Topanga, look for fine dust and ash packed into panel frames, leaf litter wedged under the array edges, and a gray film across the glass. Also check for eucalyptus bark, broken twigs, and pine needles from the canyon. These block airflow around microinverter heat sinks and cause derating. If you see any of that, it’s worth a post-storm cleaning. We prioritize these calls after wind events. Call (877) 550-6892 and we’ll get you on the schedule.
Yes, panel soiling is one of the most common causes of a mismatch between modeled production and actual true-up credits in Topanga. Dust, oak pollen, and mineral film reduce output in ways that show up most clearly on your utility bill. We’ve seen arrays in Topanga underproducing by 15-25% due to soiling alone, and after a clean, the true-up gap closes. We verify before-and-after production with a meter so you can see the difference. Call (877) 550-6892 for a free assessment.
It is not safe to clean panels on a steep A-frame roof in Topanga Canyon without fall protection, anchor points, and proper harness gear. Many Topanga roofs exceed a 6:12 pitch, and the canyon terrain makes ladder placement tricky. This is a case where you should call a trained professional with the right equipment, not climb up yourself. Our crew carries full fall-protection gear and anchors on every steep roof job. Call (877) 550-6892 and we’ll inspect the roof safely, not from a ladder with a garden hose.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Topanga and surrounding canyon communities since 2011.






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