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 Agoura Hills
Solar panel cleaning in Agoura Hills typically runs $150-$280 for a standard rooftop array, and most jobs are completed in under two hours. We arrive with the right water and soft-brush equipment, not a pressure washer that voids panel warranties. If you call (877) 550-6892, a live person answers and you’ll get an honest number before we ever step foot on your roof.
Agoura Hills sits in a wind corridor between the Santa Monica Mountains and the Simi Hills. That’s not just geography. It means ash, dust, and shredded eucalyptus leaves from Malibu Canyon and the Conejo Grade end up on your array after every Santa Ana event. We know exactly how that affects production because we’ve cleaned hundreds of local systems and seen the before-and-after output numbers from Enphase and SolarEdge monitoring apps.
Why Gus’s Solar Is Agoura Hills’s Preferred Solar Panel Cleaning Company
Gus Petrakis founded this company in 2011 and put his own name on the truck. He publishes his address and license number. He answers his own phone. When you hire us for Solar Panel Cleaning in the 91301 or 91376 ZIP, you’re not getting a pop-up crew that vanishes next month. You’re getting a local shop with a 90-Day Done Right Promise in writing, and one call brings Gus back if anything isn’t right.
We’ve worked on tract homes in Fountainwood and Old Agoura, and on custom hillside rebuilds above Kanan Road. Homeowners in this area have been burned by national outfits before. We hear the stories. That’s why our price is the price, why we don’t ask for a signature tonight, and why we tell people to take two weeks before deciding anything. The price will be the same.
Our Solar Panel Cleaning Services in Agoura Hills
Residential Panel Cleaning
A standard residential cleaning in Agoura Hills runs $150-$280 depending on roof pitch and panel count. We use deionized water and soft brushes, never anything abrasive. For older 1970s-1990s tract homes near the 101 corridor, panels are usually on gentle slopes and go quickly. Hillside homes in the foothills take longer and cost toward the higher end.

Commercial Array Cleaning
We clean commercial arrays throughout the Agoura Hills business parks and office buildings along Agoura Road. Commercial systems lose real money when soiling accumulates. Our crews can work early mornings or weekends to avoid disrupting your operations. Pricing for commercial arrays starts around $350 and scales with system size.

Bird & Critter Guard Installation
Birds in the Santa Monica Mountains foothills love nesting under warm panels. Pigeons especially. Droppings etch the glass, and once glass is etched, the degradation rate jumps even after cleaning. We install critter guard that seals the perimeter and keep birds out for good. In Agoura Hills, this costs $400-$900 depending on array size and roofline access.

Debris & Soiling Removal
After a Santa Ana event, your panels may carry ash, dust, and leaf debris from eucalyptus and oak trees. That layer creates hot spots that can cut production by up to 8% between cleanings. We remove it all by hand and soft brush, inspect for etching, and give you an honest before-and-after production reading. Post-storm cleanings in Agoura Hills are one of our most requested calls.

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 Agoura Hills
We clean and service systems built on Tesla, Enphase, SolarEdge, Panasonic, Qcells, and REC equipment every week in this area. If your monitoring app shows a dip after a windy week, you don’t need a new installer. You need a cleaning. We know how those platforms report soiling-related losses, and we’ll tell you straight whether cleaning fixes it or whether something else needs attention.
Common Solar Panel Cleaning Problems We See in Agoura Hills Homes
- Santa Ana wind debris. Ash and leaf litter funnel through Malibu Canyon and the Conejo Grade, coating arrays unevenly. The lower rows on hillside rebuilds accumulate more and run hotter, degrading inverter output faster than the upper rows.
- Bird droppings etching glass. Foothill homes near open space deal with constant bird pressure. Droppings are acidic. Left for months, they permanently etch the panel surface and cut production permanently, not just until the next cleaning.
- Post-Woolsey rebuild rooflines. Homes rebuilt after 2019 in 91301 often have steeper pitches and larger arrays. Debris accumulates unevenly across those slopes, so a quick visual check from the ground misses the worst sections.
- Older tract home panel access. Fountainwood and Old Agoura homes from the 1970s-1990s often have tight side yards and mature trees. Access for a ladder or lift adds time, and mature trees drop more sap and leaf debris than newer developments.
Pricing for Solar Panel Cleaning in Agoura Hills, CA
A typical residential cleaning in Agoura Hills runs $150-$280. Commercial arrays start around $350 and scale by system size. Critter guard installation runs $400-$900 depending on the array perimeter and roof access. Scheduled cleaning plans (quarterly or every six months) knock about 15% off per-visit pricing and keep your panels producing at their year-25 numbers, not the day-one brochure figure.
What moves the price: roof pitch, panel count, access difficulty, and whether we’re also removing critter debris or installing guard. We quote upfront, we don’t add trip charges inside our own county, and we offer a free second opinion on any written estimate you already have. Seniors and veterans get 10% off, and that never expires.
The Woolsey Fire Rebuild Advantage in Agoura Hills
The Woolsey Fire of November 2018 destroyed over 1,600 structures in Agoura Hills. That triggered one of the largest post-disaster residential rebuilds in LA County history. Homes rebuilt after January 2020 fall under California’s Title 24 mandate requiring solar on new residential construction. What that means for cleaning is specific. Many of these rebuilt homes in 91301 went up with 200-225A electrical panels and pre-run conduit stubs terminating at the roofline.
Here’s the practical angle for you. Our crews were called to a rebuilt Fountainwood tract home after a Santa Ana event left a thick layer of ash and eucalyptus debris on the array. Because the house had 200A service and pre-run conduit from its post-Woolsey rebuild, we were able to schedule a production estimate for an expansion during the cleaning visit, no extra permit pull. The customer saw a 14% kWh offset improvement on their next true-up statement. That timing advantage isn’t something installers in Thousand Oaks or Westlake Village encounter at the same scale. We check for solar-ready conduit stubs on every visit because we know the homes in this area.
How Agoura Hills Conditions Change Your Cleaning Schedule
This is the information most generic cleaning pages won’t tell you. Agoura Hills sits in a sheltered inland valley between the Santa Monica Mountains and the Simi Hills. That position produces roughly 5.5-5.8 peak sun hours daily, better than coastal Malibu 10 miles south. Good for production, bad for soiling. The same geography funnels Santa Ana winds through the Conejo Grade and Malibu Canyon corridors directly over your array.
Those winds carry ash, dust, and shredded leaf debris. They hit hillside rebuilds hardest because the rooflines sit exposed. After a significant Santa Ana event, a post-storm cleaning usually recovers 5-8% of lost production. For most Agoura Hills homeowners, cleaning every six months handles the soiling cycle. If you’re near open space with heavy bird pressure, every three to four months is smarter.
Droppings are the real threat. Once bird droppings etch the glass, the degradation rate jumps and no amount of cleaning restores the panel to its original output. That’s why we push critter guard on foothill homes. Prevention costs less than replacement.
We Also Serve Cities Near Agoura Hills
Our crews work throughout Agoura Hills and the surrounding foothill communities daily. That includes Agoura, Westlake Village, Oak Park, and Thousand Oaks. Same crews, same pricing, same 90-Day Done Right Promise. If you’re just over the line in Westlake Village, the drive for us is 10 minutes, not a different company.
Serving Agoura Hills, CA - Our Local Coverage Area
We’re based in the Agoura Hills 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 Agoura Hills
Every six months for most homes. If you live in the foothills near open space or your array faces the Malibu Canyon corridor, every three to four months is better because ash and leaf debris accumulate faster and bird pressure is higher. Our crews can tell you after one visit what your specific soiling rate looks like based on your monitoring data.
Often yes. Rebuilt homes have steeper rooflines and larger arrays. Debris accumulates unevenly, so lower rows may need more attention than upper rows. We also check for solar-ready conduit stubs during every cleaning, which can change your expansion timing and skip a permit pull if you’re thinking about adding panels. Call (877) 550-6892 and we’ll check on your first visit.
Yes. Droppings are acidic and etch the glass surface. Once etched, the panel loses output permanently and cleaning won’t restore it. In the Santa Monica Mountains foothills, bird pressure is constant. Installing critter guard at the same time as a cleaning is the cheapest way to protect your array. $400-$900 is typical for Agoura Hills homes.
More production means more credits on your true-up statement. If soiling is cutting output by 5-8%, that’s 5-8% fewer credits accruing every single day. For a typical 6kW Agoura Hills system, a single post-storm cleaning can mean the difference between a small true-up bill and a zeroed-out year. We’ll show you the before-and-after numbers from your own monitoring data.
Before. Clean panels give us an accurate production baseline. If you’re adding panels, you want the existing array producing at its real capacity first so you can size the expansion correctly. On post-Woolsey rebuilds with pre-run conduit, we can often schedule both the cleaning and the expansion estimate in one trip. That saves a second visit and potentially a second permit.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Agoura Hills since 2011.






Before
After
Before
After
Before
After