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 East Pasadena
Solar panel cleaning in East Pasadena typically runs between $150 and $450 for most residential systems, depending on roof pitch, panel count, and whether critter guard work is involved. Most cleanings here take under three hours, and we can usually be on your roof within 48 hours of your call. If your array is coated with the foothill dust and ash that settles across the 91107 ZIP, you’re leaving real production on the table. Call us at (877) 550-6892 and we’ll give you an honest number before we ever set foot on a ladder.
We know East Pasadena’s rooftops the way you know your own street. The Hastings Ranch ranches off Sierra Madre Villa Avenue, the mid-century homes along Foothill Boulevard, the newer builds tucked up toward Eaton Canyon, each roof has its own story, and each one collects grime differently. Gus’s Solar has been cleaning panels on these homes long enough to know exactly what we’re walking into before the first boot touches your tile.
Why Gus’s Solar Is East Pasadena’s Preferred Solar Panel Cleaning Company
Gus Petrakis put his name on this company in 2011, and it’s been locally owned since day one. That means when you call about solar panel cleaning in East Pasadena, you get a live person, not a call center three states away. Not a voicemail at 2 a.m. when you’re staring at a production graph that’s trending the wrong direction. Gus answers his own phone, and if he doesn’t, one of his crew does. Twenty-four hours a day, seven days a week.
What does that look like for a homeowner in Hastings Ranch or along Del Mar Boulevard? It means we remember your roof. We remember that your neighbor’s oak drops leaves onto your south-facing array every October. We remember that the Santa Ana winds hit your block harder than they hit the flats down by Colorado Boulevard. This is not a franchise operation sending whoever’s available. Our Solar Panel Cleaning team is the same crew that’s been climbing East Pasadena ladders for years, background-checked and in uniform so you know exactly who’s on your property before they get there.
Every job carries the 90-Day Done Right Promise, in writing. If the panels aren’t clean, or the bird guard doesn’t hold, or something gets missed, one call brings Gus back to make it right. No charge, no argument, no fine print. That’s how we’ve done it across East Pasadena since the beginning, and that’s how we’ll keep doing it.
Our Solar Panel Cleaning Services in East Pasadena
We don’t do cookie-cutter cleanings. Your array is mounted on a 1960s Spanish S-tile roof with decades of settling behind it, or a flat concrete tile roof with a pitch that holds water in ways it shouldn’t. We clean for the house we’re standing on, not a generic spec sheet.
Residential Panel Cleaning
A typical residential cleaning in East Pasadena runs $150 to $350 for a standard 20 to 30 panel array. We use purified water and soft brushes, nothing abrasive that would etch the glass on Panasonic or Qcells panels. The goal is restoring your production to what the inverter says it should be making, not just making the panels look nice for the neighbors. After a cleaning on a Hastings Ranch home, we routinely see inverters logging a 5 to 15 percent gain in daily kWh the moment the panels dry.

Commercial Array Cleaning
Commercial arrays along Foothill Boulevard and Colorado Boulevard collect road film, brake dust, and the same foothill soiling that hits residential roofs, plus they have the added burden of flat-mounted installation that lets dust sit instead of sliding off during rain. A commercial cleaning in East Pasadena typically starts around $400 for smaller arrays and scales from there. We schedule commercial work early mornings or weekends to avoid disrupting your business, and we’ll give you a written production baseline before and after so you can see the difference on your PWP bill.

Bird & Critter Guard Installation
Pigeons love East Pasadena’s older S-tile roofs, and they especially love the warm microclimate under a solar array. Once they nest, you’ve got droppings corroding your wiring, feathers and nesting material trapping heat against the panel backs, and the constant cooing that starts at sunrise. We install galvanized mesh guards around the array perimeter, custom-bent to match the profile of Spanish S-tile or flat concrete tile so there are no gaps a determined pigeon can exploit. Guard installation on a typical East Pasadena home runs $350 to $650 depending on array size and roof complexity. It’s the single most effective thing you can do after a cleaning to keep your production where it belongs.

Debris & Soiling Removal
East Pasadena sits at the foot of the San Gabriel Mountains, which means every Santa Ana event drags a layer of foothill dust, pollen, and whatever the wind picked up off the Angeles National Forest. After a brush fire season, that layer includes ash, which is alkaline and eats at panel coatings over time. A post-storm debris removal and cleaning for a residential array in the 91107 ZIP typically runs $180 to $300. If we’re already out for a cleaning and find heavy debris, we’ll quote you before touching anything. Upfront pricing is how we work. The number you see is the number you pay.

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.
- 3
A background-checked tech heads outLicensed & insured, dispatched right away.
- 4
You approve before work beginsNothing starts until you say go.
Trusted Brands We Service in East Pasadena
We clean and maintain panels from every major manufacturer you’ll find on East Pasadena roofs. Tesla, Enphase, SolarEdge, Panasonic, Canadian Solar, Qcells, REC, SunPower, JinkoSolar, and FranklinWH are all systems we know well. That matters because cleaning requirements vary by glass coating, cell type, and frame design. A Canadian Solar panel and a Panasonic panel don’t respond the same way to hard water, and we adjust our process accordingly. For older arrays in Hastings Ranch that are running out-of-production SunPower panels, we still carry the knowledge and the right cleaning approach to keep those systems breathing. The point is this: whatever’s on your roof, we’ve cleaned its sibling before.
Common Solar Panel Cleaning Problems We See in East Pasadena Homes
- Pigeon nesting under arrays on older S-tile roofs. Hastings Ranch and the streets off Sierra Madre Villa have a serious pigeon population, and Spanish S-tile leaves gaps at the tile edges that make perfect entry points. Once a nest is established, droppings accumulate fast and can corrode wiring or block airflow under the panels.
- Foothill dust and ash from Angeles National Forest brush fires. East Pasadena’s location at the mountain base means wind events carry fine particulate that settles on panel glass and stays there. Between cleanings, untreated soiling can cut output by up to 20 percent, which on a system sized for PWP’s net metering rules means real money lost every billing cycle.
- Moss and lichen on north-facing roof planes of 1950s-era ranch homes. Homes off Del Mar Boulevard and around San Pasqual Street often have mature trees shading the roof, and with shade comes moisture retention. Moss doesn’t just reduce panel output, it can etch into the glass if it’s left for multiple seasons, and that’s permanent damage.
- Santa Ana wind damage loosening tile edges under panel mounts. Wind-uplift on foothill properties is stronger than down in the lower valley. When tile edges lift, the mounting points shift, and the array becomes a collection point for anything the wind carries. After a bad wind season, East Pasadena homeowners are often surprised by how much debris has worked its way between the panels and the roof deck.
Pricing for Solar Panel Cleaning in East Pasadena, CA
You want real numbers, so here they are. A standard residential panel cleaning in East Pasadena runs $150 to $350 for a typical 20 to 30 panel array. If your roof is steep, tile, or two stories, expect the upper end of that range. Bird guard installation adds $350 to $650 depending on array perimeter and roof profile. A full debris removal with cleaning after a Santa Ana event or brush fire season runs $180 to $300. Commercial arrays start around $400 and scale with panel count. Post-storm panel cleaning, which covers inspection plus removal of wind-driven debris, lands between $200 and $400 in most East Pasadena neighborhoods. Every quote is free, and the number we give you is the number on the invoice. No trip charge inside our own county. Seniors and veterans get 10 percent off, and that never expires. Call (877) 550-6892 for an exact number on your roof.
And one more thing about how we run this. Bring me a bill, I’ll bring you the math. If a salesman needs an answer tonight, the answer is no. Take two weeks. Think about it. The price will be the same.
The PWP Factor: Why Utility Timing Matters for East Pasadena Panel Cleaning
Here’s something that only applies to you if you live in this ZIP. East Pasadena, specifically the 91107 area, gets its electricity from Pasadena Water and Power, a municipally owned utility. Not Southern California Edison. Every adjacent city including Arcadia, Sierra Madre, and San Marino is SCE territory, and solar installers and cleaners who work those cities by default don’t always catch the difference. PWP runs its own interconnection process, its own net metering framework, and its own true-up timeline. That means if your panels are down for inspection, or even if they’re just running under-producing because they’re caked with dust during a PWP review window, your true-up statement can come back worse than it should. We schedule cleanings around PWP’s calendar, not despite it. A cleaning that leaves your array producing at 80 percent during an inspection window isn’t a cleaning, it’s a missed credit. We coordinate with PWP’s timeline so your production numbers are accurate when the utility looks at them.
We cleaned a 1960s ranch on Sierra Madre Villa Avenue in Hastings Ranch where the original Spanish S-tile roof had been outfitted with a Tesla array. The homeowner’s production estimate had dropped 18 percent below forecast, and our crew found a thick layer of foothill dust and Santa Ana-driven debris caked onto the panels, plus a pigeon nest under the array. After a full debris and soiling removal and installing a bird guard, the inverter logged a 14 percent gain in kWh offset the following week, and the homeowner finally saw a true-up statement that reflected their panels’ actual output. That’s the difference between knowing your system is dirty and proving it with PWP’s own numbers.
We Also Serve Cities Near East Pasadena
If you’re in Sierra Madre, San Marino, Pasadena, or Arcadia, we’re on your roofs too. The same crew, the same pricing, the same 90-Day Done Right Promise. Call us from anywhere in the San Gabriel Valley and we’ll be there, usually within 48 hours.
Serving East Pasadena, CA - Our Local Coverage Area
We’re based in the East Pasadena 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 East Pasadena
Pasadena Water and Power runs its own net metering program with true-up periods and inspection windows that don’t line up with Southern California Edison’s calendar. If your panels are heavily soiled during a PWP review window, your production numbers will read low, and your true-up statement will reflect that underperformance. We schedule cleanings so your array is producing at full capacity when PWP’s system looks at it, which means the energy credits on your bill actually match what your panels are capable of making. Call (877) 550-6892 and we’ll help you time it right.
A cleaning typically recovers 5 to 20 percent of lost production, which shortens your payback period by months, not years, for most 91107 systems. The exact number depends on how much dust, ash, and bird debris has accumulated and how long it’s been since the last cleaning. We’ve seen Hastings Ranch arrays recover as much as 14 percent in a single week after a full soiling removal. The math is simple: cleaner panels make more kilowatts, and PWP’s rates mean every kilowatt counts.
No, we clean panels live, which means your system keeps producing while we work. We never need to shut down your inverter for a standard cleaning, and we don’t disconnect anything unless we’re doing repair work. The one exception is if we find a wiring issue from bird damage or a loose connection, in which case we’ll talk to you before touching anything. Your system stays on, your home stays powered, and the cleaning happens without interrupting your production.
Yes, and this is where experience with East Pasadena’s specific housing stock matters. Spanish S-tile is fragile, especially on roofs that are 50 to 70 years old, and a careless crew can crack tiles just by walking on them wrong. We use tile-safe ladder positioning, walk boards where needed, and soft brushes that won’t scratch the panel glass or damage the tile surface. We also check the tile edges under the array while we’re up there, because loose tile is the entry point for pigeons and the starting point for wind-driven debris buildup.
Every 6 to 12 months is the right range for most East Pasadena homes, with the shorter interval if you’re near the mountains or if we’ve had a bad brush fire season. Homes along Sierra Madre Villa and the streets closest to Eaton Canyon collect dust faster than homes lower in the valley, and if you’ve got pigeons under the array, you need a cleaning plus a bird guard, not just a rinse. We’ll give you an honest recommendation after the first cleaning based on what we actually pull off your roof, not a generic schedule. Call us at (877) 550-6892 and we’ll come take a look.
Contact Gus’s Solar for East Pasadena Panel Cleaning
If your panels are dirty, your production is down, or you just want a straight answer about what’s on your roof, call (877) 550-6892. A live person answers. We’ll quote you an honest number, schedule a time that works for you, and show up when we say we will. No pressure, no contracts tonight, no fine print. Just clean panels and a system that makes the power it’s supposed to make. That’s how we’ve done it in East Pasadena since 2011.
Written by Gus Petrakis, Owner at Gus’s Solar, serving East Pasadena and the San Gabriel Valley since 2011.






Before
After
Before
After
Before
After