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 Sebastopol
Solar panel cleaning in Sebastopol usually runs $150-$380 for a typical residential array, and most jobs are done within a few days of your call. If your panels have been producing less than they should, cleaning is the first thing we check. The marine layer that settles over the 95472 and 95473 zip codes does more than dim your panels. It leaves a film of fog-drip soiling that bakes onto the glass and quietly eats your production. Call Gus’s crew at (877) 550-6892 and we’ll get your array back to producing what it should.
We’ve been cleaning panels on Sebastopol rooftops long enough to know which ones collect orchard pollen, which ones get shaded by mature redwoods, and which ones need a closer look at the inverters underneath. That local knowledge matters when a 20-minute cleaning turns into finding a failing microinverter before it takes down your whole system.
Why Gus’s Solar Is Sebastopol’s Preferred Solar Panel Cleaning Company
Gus Petrakis has had his name on this business since 2011, and that name rides on every truck that pulls up to a Sebastopol home. We’re not a door-knocking outfit that disappears after the paperwork clears. When you call, a live person answers. Not a voicemail, not a ticket queue. You’ll speak to someone who can tell you when we can be there and what it will cost.
Sebastopol homeowners keep our number because we show up when we say we will. Our background-checked, uniformed crew does the work themselves. We don’t hand your roof off to a subcontractor. That’s the L.O.C.A.L. standard we built the company on: Local roots, On time, Community first, Accountable, Loyal. It’s not a slogan on a website. It’s how we run every job, including a simple panel cleaning.
We also honor a Senior and Veteran 10% discount that never expires, and we don’t charge a trip fee inside our own county. Bring us your electric bill, and we’ll show you the math on what dirty panels are actually costing you.
Our Solar Panel Cleaning Services in Sebastopol
Residential Panel Cleaning
Most Sebastopol homes have arrays between 12 and 28 panels, and a standard residential cleaning runs $150-$280 depending on roof pitch and access. Craftsman bungalows near downtown often have steep, multi-pitch rooflines that take more time to navigate safely. Ranch homes along Bodega Avenue and Gravenstein Highway are usually faster jobs. Either way, we use deionized water and soft brushes that won’t scratch the glass or void your warranty.

Commercial Array Cleaning
Commercial arrays on Sebastopol storefronts, wineries, and small industrial buildings typically run $400-$1,200 per cleaning, depending on the array size and how much soiling has accumulated. Fog-drip film builds faster on flat commercial rooftops because nothing sheds the moisture. If your business runs a Qcells or REC array, a neglected cleaning schedule can mean thousands in lost production over a year. Call (877) 550-6892 and we’ll quote your roof specifically.

Bird & Critter Guard Installation
Birds love the shelter under a warm solar array, and Sebastopol’s tree-lined neighborhoods give them plenty of places to nest after they’ve found your roof. Nesting materials sitting against wiring can trigger rapid-shutdown faults. Bird and critter guard installation in Sebastopol generally runs $900-$1,600 for a typical roof, and it’s one of the best investments you can make for a 2010-era system that’s already running close to its performance threshold.

Debris & Soiling Removal
Between the orchard pollen from Gravenstein apple blossoms, the dust that blows in from the rural stretches west of town, and the fog that rolls through the Petaluma Gap, Sebastopol panels collect a distinctive crust. Debris and soiling removal focuses on exactly that: getting the film off without damaging the glass, and checking what’s underneath while we’re up there. A standard removal runs $175-$350 for most single-story homes in 95472, and a bit more if we’re hauling out nests or storm debris.

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.
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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 Sebastopol
We work on everything the original Sebastopol installers put up, including the SunPower and Panasonic panels that were popular in the 2009-2015 early-adoption wave, plus the Qcells and REC modules going up on newer systems. When a cleaning turns up a failing inverter or a cracked panel, we can usually source replacement parts quickly because we keep inventory for the brands we service. That means less downtime for a Sebastopol homeowner who’s already watching their production numbers slip.
Common Solar Panel Cleaning Problems We See in Sebastopol Homes
- Fog-baked soiling on steep Craftsman rooflines. Marine layer from the Petaluma Gap settles on panels and dries into a film that, if left through summer, can permanently etch the glass. We see it most often on multi-pitch roofs where homeowners can’t safely reach the upper arrays themselves.
- Mature redwoods shading once-sunny arrays. Sebastopol’s older neighborhoods have mature redwoods that weren’t a factor when early-adopter systems went up in 2010. Shade plus dirt compounds the production drop, but owners often skip scheduled cleanings because the panels are hard to see from the ground.
- Bird nests hiding failing inverters. On 1950s ranch homes along the Gravenstein Highway corridor, birds build nests under the panels and the debris hides failing Enphase M190 microinverters until the whole string collapses. A post-storm cleaning is often the first time anyone’s looked under the array in years.
- Pollen film from Gravenstein orchards. Sebastopol’s apple orchards release sticky pollen in spring that bonds with fog moisture on panel surfaces. We’ve measured 12-15% production drops on arrays where that film sat for more than one season.
Pricing for Solar Panel Cleaning in Sebastopol, CA
Sebastopol pricing tracks with roof size, pitch, and how long the array’s been neglected. A typical single-story residential cleaning runs $150-$280. Two-story or steep multi-pitch Craftsman roofs run $250-$380. Commercial arrays start at $400 and go up from there. Bird and critter guard installation is a separate job: $900-$1,600 for the average Sebastopol home. If you’re not sure what you need, call (877) 550-6892 and we’ll give you a straight number before we schedule anything. No signature wanted tonight. Take two weeks. The price will be the same.
We Also Serve Cities Near Sebastopol
Gus’s crew handles Solar Panel Cleaning for homeowners across western Sonoma County. If you’re in Roseland, Larkfield-Wikiup, Santa Rosa, or Rohnert Park, we cover those areas too. And for a deeper look at what we do around Sebastopol, that page has the full scope of our local service.
Serving Sebastopol, CA - Our Local Coverage Area
We’re based in the Sebastopol 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 Sebastopol
Every 6 to 12 months, and closer to 6 if you’re near the western edge of town or under mature trees. The fog corridor funnels marine moisture through the Petaluma Gap, and that damp film bonds to pollen and dust faster than it does in Santa Rosa. If you’re tracking a payback period on an older true-up statement, a skipped year of cleaning can erase the margin you built. Call (877) 550-6892 for a specific recommendation based on your system’s age and azimuth.
Yes, because those early Enphase M190 systems have little headroom left. When nests pile against wiring and trigger rapid-shutdown faults, or debris hides a failing microinverter until output drops off completely, you lose production you can’t get back. Guards prevent the nest from forming in the first place. In Sebastopol, where tree canopy is heavy and birds are abundant, we see guards pay for themselves within two to three years on legacy systems.
Because Sebastopol’s cloudier microclimate means every degree of panel orientation hits your production harder here. A west-facing array with 8% of fog film loses more total kilowatt-hours than the same array in Santa Rosa would. When we clean a Sebastopol array, we note the azimuth and tilt so we can tell you what production to actually expect, not what the original brochure promised.
Skipping the pre-re-roof cleaning means your array comes down dirty and goes back up over a new roof still carrying old film, pollen deposits, and possibly hidden damage. On a 1950s ranch along Bodega Avenue or Gravenstein Highway where the underlayment may contain asbestos, the teardown sequence is already complex. We clean and inspect the array as part of that sequence so you only pay for one mobilization. That’s the same teardown-and-reinstall discipline we used on a 1940s Craftsman off Bodega Avenue where fog-trapped pollen had cut output 14% below the PVWatts estimate.
They do, and a cleaning is often the first time anyone looks at them in years. The 2009-2015 Sebastopol systems frequently still run original SMA Sunny Boy or Enphase M190 inverters that are now out of warranty. During any cleaning we can run a rapid-shutdown test and check for the degradation that doesn’t show up until production collapses. It’s a ground-level check that takes minutes and catches problems while they’re still inexpensive to fix. Estimates are free: call (877) 550-6892.
Get Your Sebastopol Panels Cleaned Right
Your panels are worth too much to leave under a fog film. Whether you’re in 95472 or 95473, call Gus’s Solar at (877) 550-6892 for a free estimate on panel cleaning in Sebastopol. We’ll tell you what the job costs, when we can be there, and what we’ll check while we’re on your roof. The price quoted is the price charged. And if it’s not done right, Gus makes it right, in writing. That’s the 90-Day Done Right Promise, and it applies to cleaning jobs too.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Sebastopol and western Sonoma County since 2011.






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