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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 San Marcos
Solar panel cleaning in San Marcos, TX typically runs $150-$350 for a standard residential array, and most jobs wrap up the same day we arrive. If your panels sit under live oaks near the Blanco River or along the Hill Country ridges where dust and pollen settle fast, you’re probably losing more production than you think. Our team knows San Marcos streets, neighborhoods, and the way cedar pollen and limestone dust behave here. Call (877) 550-6892 for a quote that’s based on your actual array, not a brochure guess.
Why Gus’s Solar Is San Marcos’s Preferred Solar Panel Cleaning Company
Gus Petrakis started this company in 2011, and his name has been on every job since day one. That’s not a marketing line. It’s the reason homeowners in Blanco Vista, Trace, and the River Road corridor keep calling us back year after year. When you call, a live person answers. Not a voicemail tree. Not a call center. Sometimes it’s Gus himself. And he’ll tell you straight: if your panels don’t need cleaning yet, he’ll say so.
Our 90-Day Done Right Promise covers every cleaning we do. If something isn’t right, Gus comes back and makes it right, in writing, on every job. That’s what 29 years of serving local communities looks like. No pop-up crews. No subcontracted strangers on your roof. Background-checked, uniformed technicians who arrive when we say they will.
Our Solar Panel Cleaning Services in San Marcos
Residential Panel Cleaning
Most San Marcos homes need a solid cleaning twice a year, though spots near the San Marcos River or under heavy oak canopy may need three. We clean the glass, check the frame seals, and flag any soiling that looks like bird droppings etching the surface. A standard residential array in San Marcos usually takes 45-90 minutes.

Commercial Array Cleaning
Flat commercial rooftops across San Marcos collect dust, pollen, and construction debris differently than pitched residential panels. We handle arrays on warehouses, retail, and school buildings throughout 78666 and surrounding zip codes. If you’ve got a 50kW system or larger, we’ll build a cleaning schedule that makes sense for your production goals, not our calendar.

Bird & Critter Guard Installation
Pigeons and grackles love the warm space under solar panels, especially near downtown San Marcos where older buildings offer easy roosting. Their droppings don’t just block light; they corrode aluminum frames over time. We install critter guard that keeps birds out without trapping heat or voiding your panel warranty. If you’re already seeing droppings along your panels, this is the fix.

Debris & Soiling Removal
After a Texas thunderstorm rolls through San Marcos, leaves, twigs, and mud can cake onto lower panel rows. We remove that debris by hand or with soft-bristle brushes, never pressure washers, because high-pressure water can crack glass and strip anti-reflective coating. If hail or wind left debris on your array, call us. We’ll come out, assess it, and clean it properly.

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 San Marcos
We clean and maintain panels from every major manufacturer, including Tesla, Enphase, and SolarEdge systems. Our Solar Panel Cleaning team works on all panel types, from monocrystalline to thin-film, and we know the specific glass coatings and frame materials each brand uses. You don’t need to know your panel brand to call us. We’ll identify it on site and clean accordingly. If we spot a microinverter issue or a panel underperforming, we’ll tell you that too, because cleaning is only half the job.
Common Solar Panel Cleaning Problems We See in San Marcos Homes
- Cedar pollen buildup in spring. San Marcos sits right in the Hill Country pollen belt, and from December through March, Ashe juniper pollen coats every outdoor surface. It’s sticky, it’s fine, and it cuts panel output more than most people realize. A March cleaning makes a measurable difference.
- Limestone dust from construction. San Marcos keeps growing, and new developments kick up fine white limestone dust that settles on panels like a film. The Trace and Whisper neighborhoods especially see this. It takes more than rain to remove it.
- Pigeon nesting under panels. Older homes near downtown San Marcos and the Texas State campus corridor see the worst of it. Droppings are acidic and etch glass permanently if left too long. We install critter guard before it gets expensive.
- Post-storm leaf and debris coverage. Large live oaks and pecans drop leaves during spring thunderstorms, and those leaves trap moisture against the glass. Wet leaves breed mildew and block light. We clear them off before they cause long-term glass staining.
Pricing for Solar Panel Cleaning in San Marcos, TX
A typical residential panel cleaning in San Marcos runs $150-$350 depending on panel count, roof pitch, and how much debris has built up. Small arrays under 20 panels usually land on the lower end. Larger two-story homes in San Elijo Hills or roof planes with steep pitches land higher. Critter guard installation runs $4-$8 per linear foot installed, and most San Marcos homes need 60-120 linear feet. Commercial arrays are quoted by total panel count and roof access, but $3-$5 per panel is a fair planning range. Every quote is free. Call (877) 550-6892 and we’ll give you a number that matches what you’ll actually pay. No signature wanted tonight. Take two weeks. Think about it. The price will be the same.
We Also Serve Cities Near San Marcos
Beyond San Marcos, we regularly serve panel cleaning customers in Kyle, Buda, Shady Hollow, and around Canyon Lake. If you’re a few minutes outside city limits, don’t overthink it. Call us and we’ll tell you if we can get a crew to you this week. We also handle EV Charger Installation in San Marcos and Solar Panel Maintenance & Monitoring in San Marcos, so if your array needs more than a wash, one call covers it all.
Serving San Marcos, TX - Our Local Coverage Area
We’re based in the San Marcos 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 San Marcos
We typically reach San Marcos homes within 24-48 hours for scheduled cleanings, and we keep emergency slots open for post-storm debris removal. Call (877) 550-6892 in the morning and there’s a good chance we’re on your roof that afternoon. If a thunderstorm left your panels buried in leaves, tell us and we’ll prioritize it.
Yes, we cover all San Marcos zip codes including 78666, 78656, and the surrounding Hill Country communities. Whether you’re in a 1970s ranch near the courthouse square or a newer build in Blanco Vista, our crews know the road patterns and roof styles here. We don’t bounce jobs to subcontractors, so the team that shows up is Gus’s own crew.
No, our pricing stays consistent across Hays County. A 20-panel array in San Marcos costs roughly the same as the same array in Kyle or Buda. What changes the number is roof pitch, panel count, and debris load, not the city name on your address. You’ll pay the same fair range we quote anywhere in our service area.
Our 90-Day Done Right Promise covers every job we do in San Marcos. If we damage a panel, we replace it. That’s in writing. We’ve built a 29-year reputation on showing up, doing the work right, and answering the phone if something goes wrong. One call brings Gus back.
Yes, we clean any panel array, whether we installed it or not. That includes systems from national installers, Tesla direct, or a previous homeowner. If you moved into a San Marcos home with existing solar and the panels look dusty or bird-matted, call us. We’ll clean them and run a quick output check to flag any underperforming panels. Call (877) 550-6892 to schedule. Estimates are free, and a live person answers.
Written by Gus Petrakis, Owner at Gus’s Solar, serving San Marcos and surrounding communities since 2011.






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