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 Los Gatos
Solar panel cleaning in Los Gatos typically runs $180 to $420 for a standard residential array, depending on panel count, roof pitch, and how far up the hillside we need to drive. Most cleanings take 60 to 90 minutes, and we can usually get to your Los Gatos home within two business days, often sooner. Gus Petrakis has worked on Los Gatos roofs since 2011, and his crew knows the difference between a flatland wash and what a 95033 hillside array actually needs. Call (877) 550-6892 and a live person answers, day or night.
Why Gus’s Solar Is Los Gatos’s Preferred Solar Panel Cleaning Company
We show up with our own trucks, our own crew, and our own name on the door. Gus Petrakis started this company because he watched national outfits sell Los Gatos homeowners systems they never intended to maintain. Soiling from redwood duff, pollen, and marine fog cuts output silently, and the company that installed your array probably won’t call you about it. We will.
Los Gatos homeowners call us because we know the terrain. A ranch house off Blossom Hill Road in 95032 needs a different approach than a custom hillside estate off Summit Road in 95033. We quote honest numbers, we don’t pressure anyone, and our 90-Day Done Right Promise is in writing on every job. Take two weeks to think about a quote. The price will be the same when you call back.
Our crew is background-checked and uniformed. You’ll know exactly who’s on your roof before they climb the ladder. And when you call, a live person answers 24/7, not a voicemail or a ticketing portal.
Our Solar Panel Cleaning Services in Los Gatos
Debris & Soiling Removal
In Los Gatos, the biggest production killer we see is redwood needles and oak leaves packing into the gaps between panels and the roof line. This is especially true in 95033, where mature coast redwoods shade and drop onto arrays year-round. Left alone through spring, that layer of duff traps moisture against the panel frame and can cut output 5 to 10% before summer even starts. Our Solar Panel Cleaning team removes debris by hand first, then washes with deionized water so nothing scratches the glass.

Scheduled Cleaning Plans
Hillside Los Gatos homes near the Santa Cruz Mountain ridgeline get marine fog spilling over the summit, and that fog leaves a fine soot film that plain water won’t break. We offer scheduled cleaning plans built around your microclimate: quarterly for heavily shaded 95033 properties, twice a year for most valley-floor homes in 95030 and 95032. The price is flat per visit, and you won’t need to remember to call us. Gus’s crew keeps the schedule.

Post-Storm Panel Cleaning
After a winter storm rolls through the Santa Cruz Mountains, panels on Los Gatos roofs get plastered with wet leaves, pine needles, and mud from runoff. A post-storm cleaning removes that layer before it bakes on in the next sunny stretch. We also inspect for lifted debris around rapid-shutdown gear and check that roof drains are clear, which matters more in fire-hazard zones than most homeowners realize.

Bird & Critter Guard Installation
Pigeons and squirrels love the space under a rooftop array, and Los Gatos has plenty of both. Birds nesting under panels bring droppings, feathers, and acidic waste that corrodes aluminum frames over time. We install critter guard that seals the perimeter of your array without blocking airflow or complicating future cleaning visits. It’s a one-time fix that prevents ongoing damage.

What happens when you call
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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 Los Gatos
We clean and maintain every major brand you’ll find on Los Gatos roofs: SunPower, Qcells, REC, Panasonic, and everything in between. Hillside arrays in 95033 and 95030 skew heavily toward SunPower and REC because of shading, and we know those systems’ mounting hardware and monitoring quirks specifically. If your array has an Enphase microinverter system, we check connection points for fog-related corrosion during every cleaning, not just when something fails.
Common Solar Panel Cleaning Problems We See in Los Gatos Homes
- Redwood duff and pollen in shaded 95033 lots: Mature redwoods drop needles constantly, and in spring the pollen layer is thick enough to dust off with a finger. Left alone, a shaded hillside array can lose 5 to 10% of its output before the summer production peak. One cleaning in early May usually restores most of it.
- Fog-fed soot film on upper 95030 arrays: Marine fog that spills over the Santa Cruz Mountain ridgeline carries particulate that bakes onto panel glass in a fine gray film. Plain water won’t remove it. We use a pH-neutral cleaning solution followed by a deionized rinse, which breaks the film without leaving mineral spots.
- Debris buildup around fire-code equipment in Very High Fire Hazard Severity Zones: Hillside homes in 95033 and upper 95030 have rapid-shutdown boxes and fire-access setbacks that flatland homes don’t. Debris accumulates around that equipment and against roof edges, creating both a cleaning obstacle and a fire risk. Our crew clears those areas by hand and leaves documented access paths.
- Steep tile roofs and standing-seam metal on custom hillside estates: Many Los Gatos hillside homes in 95033 have multi-plane roofs with tile or standing-seam metal that require rope work or adjustable ladder setups just to reach the array. We don’t send a flatland crew with a garden hose. Our team carries the right fall protection and equipment-specific padding so nothing gets scratched or cracked.
Pricing for Solar Panel Cleaning in Los Gatos, CA
Here’s what Los Gatos homeowners can expect to pay, based on the work we’ve done across 95030, 95032, and 95033:
- Standard residential cleaning (valley floor, 10-20 panels): $180-$260
- Hillside or steep roof cleaning (95033, upper 95030): $260-$420
- Debris and heavy soiling removal (redwood duff, fog film): $220-$380
- Bird and critter guard installation: $600-$1,400 depending on array size and roof type
- Scheduled cleaning plan (per visit): $150-$240 when you commit to a quarterly or semi-annual schedule
What affects the price: panel count, roof pitch and height above grade, how far up the hill we need to drive from the valley, and whether the array needs hand-washing due to fragile mounting or fire-zone access requirements. Estimates are free. The number we quote is the number you pay, period. Call (877) 550-6892 for an exact price on your Los Gatos array.
We also want to say this plainly: high-tension roof work and steep-pitch hillside access is genuinely dangerous. We don’t recommend you climb a ladder with a hose and a scrub brush. Our crew carries proper fall protection and training, and we’d rather come out and do it safely than have a Los Gatos neighbor on a hospital gurney. If you’re not sure about your roof’s accessibility, call us first.
How Los Gatos’s Fire-Zone and Fog Patterns Change Panel Cleaning
Here’s what a generic solar cleaning site won’t tell you about Los Gatos specifically. Homes in the Very High Fire Hazard Severity Zones, which cover much of 95033 and stretches of upper 95030, must comply with Cal Fire rules that flatland cities like Campbell never deal with. That means rapid-shutdown equipment mounted near the array, fire-department roof-access setbacks, and documentation requirements that affect how we clean and inspect your system.
Before we start any cleaning on a fire-zone home, we check that debris hasn’t built up around the rapid-shutdown box or blocked the mandated access paths along roof edges and ridges. A standard wash would blast right over those areas or leave them buried. We clear them by hand and give you a quick note on what we found. If something looks off with the fire-code equipment, we tell you. That’s part of staying accountable.
At the same time, the marine fog that pours over the ridgeline in 95033 leaves a tenacious soot film on panel glass. This isn’t a cosmetic issue. That film blocks sunlight at a microscopic level, and it holds moisture against the panel surface longer than dry dust would. We’ve measured production losses from fog film alone on hillside arrays, and the fix is simple: a proper soap-and-rinse cleaning, not a hose spray.
One recent job sticks in our minds. Our crew cleaned a 12-year-old SunPower array on a hillside estate off Summit Road in 95033, where years of redwood duff and marine fog had left a mat of pollen and soot that cut production by an estimated 9%. We hand-washed each panel with deionized water, avoiding any pressure that might disturb the custom mounting on the standing-seam metal roof, and finished by checking all microinverter connections for corrosion. Afterward the homeowner’s monitoring app showed output back within 2% of the original spec. That’s what a Los Gatos-specific cleaning looks like.
We Also Serve Cities Near Los Gatos
Our crew covers Los Gatos and the surrounding communities, including Saratoga, Campbell, Communications Hill, and San Jose. If you’re in one of those areas, we can help with the same no-pressure pricing and local service. For details on what we do across the broader region, see Solar Panel Cleaning in Los Gatos or call us directly.
Serving Los Gatos, CA - Our Local Coverage Area
We’re based in the Los Gatos 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 Los Gatos
Most foggy hillside arrays in 95033 need cleaning twice a year, once in late spring before the production peak and once after the first big fall wind event. If your property has heavy redwood coverage, quarterly may be the right schedule. Call (877) 550-6892 and we’ll tell you what your specific hill and shade pattern actually requires.
Yes. Fire-zone rules require rapid-shutdown equipment and roof-access setbacks that debris can bury, so we clear those areas by hand and check equipment condition during every cleaning. A standard flatland wash ignores those details. If you’re in 95033 or upper 95030, we clean to the fire code, not just to the glass.
No. Cleaning with deionized water and pH-neutral soap doesn’t affect inverter or panel warranties, and we never use pressure washers or abrasive tools. If anything, regular cleaning keeps your system operating within the output range the manufacturer expects, which protects your investment. Call (877) 550-6892 for a free estimate.
Yes. We clean steep tile roofs in 95033 and upper 95030 regularly, using adjustable ladders, fall protection, and tile-safe padding. We don’t send a crew without the right gear, and we’ll tell you up front if your roof needs special access arrangements. The work is risky, and we treat it that way.
Check for visible debris packed under the array edge, look at your monitoring app for any unexpected output drop, and see if tree branches are now touching or hanging over the panels. Then call (877) 550-6892 and we’ll do the rest, including clearing storm debris from fire-access zones and checking for lifted conduit or loose mounting.
Get Your Los Gatos Panels Cleaned Right
We’re locally owned, owner-operated, and we answer the phone live, 24/7. Gus Petrakis puts his name on every job, and the 90-Day Done Right Promise means if something isn’t right, one call brings us back. No pressure, no gimmicks. Just honest work from a crew that knows Los Gatos roofs, fire-zone rules, and fog patterns better than any out-of-town outfit ever will. Call (877) 550-6892 today for a free quote on solar panel cleaning in Los Gatos.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Los Gatos and the surrounding Bay Area since 2011.






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