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 Pacifica
Solar panel cleaning in Pacifica costs $140-$285 for a typical residential array, and most homes in Linda Mar, Sharp Park, and Fairway Park can be scheduled within the same week. The marine layer here does not just shade your panels. It leaves a salt-and-soot film that ordinary rain will not wash off, and that film quietly erases 15 to 25 percent of your production. Our team has cleaned thousands of coastal arrays along the San Mateo shoreline, and we know the difference between a panel that is merely dusty and one that is fighting Pacifica’s fog. Call (877) 550-6892 for an exact quote, or keep reading to see what we have learned about fog, salt, and solar on this particular stretch of coast.
Why Gus’s Solar Is Pacifica’s Preferred Solar Panel Cleaning Company
Gus Petrakis started this company in 2011 with a simple rule: put your name on the work. That is why the same crew that cleans your panels is the same crew you will see at the hardware store on Palmetto Avenue, and why Gus answers his own phone. Pacifica homeowners tend to be skeptical of high-pressure outfits, and we like it that way. We quote a real number off your actual system and actual roof, then we show up in a truck with our name on the door, do the job, and leave your property cleaner than we found it.
We are background-checked and uniformed on every job, so when we knock on a door in Sharp Park or Vallemar, you know exactly who is walking through your gate. Calls are answered by a live person 24/7, not a voicemail box. And every cleaning job carries the same standard we apply to our full Solar Panel Cleaning service: if it is not done right, Gus makes it right. That is the 90-Day Done Right Promise, in writing, on every job. We also offer a senior and veteran discount of 10 percent that never expires, and there is no trip charge anywhere inside our own county. If you are in Pacifica, that means us coming to you costs nothing just to look.
Our Solar Panel Cleaning Services in Pacifica
Residential Panel Cleaning
Most homes in Pacifica, especially the ranch-style and split-level stock built between the late 1940s and the 1970s, have arrays that sit low on modest roof pitches. That means they catch the marine layer straight on, plus whatever the wind carries off the bluffs. A residential cleaning here takes about an hour to ninety minutes depending on array size and roof access. We use deionized water and soft scrub brushes that will not scratch the glass or void a manufacturer warranty. If you live on the ocean side of the ridge near Rockaway Beach or Fairway Park, you will likely need more frequent cleaning than your neighbors on the hillside above Linda Mar, simply because the salt load is heavier the closer you sit to the water.
Commercial Array Cleaning
Pacifica does not have a huge commercial footprint, but the businesses along Highway 1 and the shopping centers near Linda Mar do run rooftop arrays that face the same coastal film problem. We clean commercial arrays during off hours when possible, so a café or office is not disrupted. Deionized water matters even more on commercial glass, because a film of salt residue on a 50 kW array is not a rounding error, it is real money every single month.
Bird & Critter Guard Installation
This is one of our most-requested additional services in Pacifica, and there is a reason. Older homes, especially the 1950s and 1960s split-levels in Linda Mar and Sharp Park, often have wide eaves and open gaps under the panel racking that pigeons treat like a condominium. Once birds nest under an array, droppings accumulate, etch the glass, and the problem builds on itself. We install critter guard that wraps the array perimeter with a galvanized mesh, secured without damaging original shingles or compromising roof flashing. Our crew knows how to fasten guard on older composite and shake-style roofs without drilling through the original surface.
Debris & Soiling Removal
Between the fog, the salt, the pine needles from the hills, and the occasional wind off the Pacific, Pacifica accumulates a particular kind of grime that is different from, say, San Bruno or Millbrae a few miles east. We do not just rinse. We remove the crust that forms along the lower edge of the panel, the thin line of mineral deposit where fog drip lingers, and the sooty streaks that reattract particulate within weeks. It is a detail most cleaners miss, and in Pacifica’s fog belt, missing it costs production every day.
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 Pacifica
We clean and maintain panels from SunPower, Qcells, Panasonic, and REC, among others. Most Pacifica arrays we see are from the 2010s onward, so we stock common replacement parts and critter guard profiles for the brands that dominate this area’s install base. If you have a SunPower array near the coast or a Qcells system up in the hills above Linda Mar, the same crew handles both. We do not farm work out to subcontractors, and the crew that quotes your job is the crew that does it. That means if a Qcells panel has a microcrack or a junction box issue, we see it during cleaning and we tell you, rather than leaving you to find it on a production report six months later.
Common Solar Panel Cleaning Problems We See in Pacifica Homes
- Salt-fog film along the lower panel edge. Ocean fog condenses on glass, runs down, and leaves a mineral line that builds week over week. On west-facing panels near Rockaway Beach and Sharp Park, this film cuts output by up to 25 percent and will not rinse off with rain alone.
- Bird droppings under the eaves of older Linda Mar homes. Pigeons and gulls nest under arrays, and one fog season of accumulated droppings is enough to etch solar glass permanently. Once glass is etched, the damage is irreversible and the panel’s effective degradation rate exceeds what the warranty assumes.
- Pollen and pine resin crust from the hillside slopes. Homes backing toward the Santa Cruz Mountains, especially above Linda Mar, collect pine pollen that mixes with fog moisture into a sticky film. Standard soft washing helps, but it takes the right technique to remove the resin without leaving streaks.
- Microinverter clipping masked by dirty glass. We see Enphase systems along the coast where the microinverters are clipping during the rare sunny hours, but the homeowner never notices because the array is so sooted over that production never reaches clipping threshold. After a proper cleaning, clipping appears, and that is actually a good sign, it means the gear is doing its job.
Pricing for Solar Panel Cleaning in Pacifica, CA
We Also Serve Cities Near Pacifica
If you are just outside Pacifica, we also clean panels in San Bruno, South San Francisco, Millbrae, and Daly City. The fog pattern shifts a bit as you move inland, but the same coastal film logic applies anywhere the marine layer reaches. To see the full coverage area and what we do there, visit our Solar Panel Cleaning in Pacifica page, or just call and ask, we will tell you straight if we can get to your street.
Serving Pacifica, CA - Our Local Coverage Area
We’re based in the Pacifica 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 Pacifica
Every 4 to 6 months is right for most Pacifica homes, with ocean-side addresses near Sharp Park and Rockaway Beach leaning toward the 4-month mark. The salt and fog residue builds quickly enough that an annual cleaning leaves real production on the table. Hillside homes above Linda Mar can sometimes stretch to 6 or 7 months, because they sit above the worst of the marine layer. Call (877) 550-6892 and we will give you a realistic interval for your specific roof.
Yes, because every kilowatt-hour your soiled panels produce is credited at whatever rate your current net metering agreement gives you, and in Pacifica’s coastal NEM world, that credit often exceeds what you pay for power at night. Losing 20 percent of production to fog film is not an abstract number, it is a direct reduction in your monthly bill credit. Cleaning your panels is one of the few home improvements that pays for itself within a couple of billing cycles.
Standard tap-water washing will not remove the conductive salt film that Pacifica’s fog leaves behind. It needs deionized or reverse-osmosis water with a soft agitation method, which is what we use on every coastal array. Anything less, and the film reattracts soot within weeks and you are back to square one.
Yes, we install critter guard on 1950s and 1960s composite and shake-style roofs in Linda Mar and Sharp Park without drilling into the original shingles. The guard fastens to the panel racking, not the roof deck, so the original roof surface is untouched. If your roof has reached the point where it cannot support a safe footing, we will tell you that too before we climb up.
Pacifica regularly records 20-30 percent fewer usable sun hours than San Jose or even San Francisco’s sunnier neighborhoods, which means every hour of clean-panel production is worth more relative to your system’s expected annual output. If your original estimate assumed generic California irradiance, your actual production baseline was already lower than promised, and any soiling loss compounds on top of that. In short, cleaning recovers a larger fraction of your real capacity than the same cleaning would in a sunnier city.
Contact Gus’s Solar for Pacifica Panel Cleaning
If your panels have been soaking in Pacifica fog for a season or two, let us come take a look. We will give you an honest assessment, a real price, and a straight answer on whether cleaning is even worth doing on your specific roof. Gus Petrakis put his name on this company, and the same standard applies to every panel we clean from Linda Mar to Sharp Park to Vallemar. Call (877) 550-6892 for a free estimate, or bring us your last true-up statement and we will show you exactly what you have been losing to the marine layer.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Pacifica and the San Francisco Bay Area since 2011.






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