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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.
Solar Services in Monrovia, CA
If you’re looking into solar for your Monrovia home, you probably want to know what it will actually cost, whether your roof can handle it, and who will still be around if something stops working five years from now. We’re Gus’s Solar, and we’re the local crew that answers our own phone. Call (877) 550-6892 and you’ll get a person, not a call center.
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.
Why Monrovia Homeowners Choose Gus’s Solar
Monrovia is a town where people still check whether a business is actually local before they sign anything. That’s exactly why Gus Petrakis puts his name on the truck and his crew on every roof. We’re not a pop-up sales crew that disappears after the paperwork clears. We’re the folks your neighbors on Foothill Boulevard and up in the Bradoaks and Norumbega tracts already know by name.
Gus founded this company in 2011 and he’s been the one answering calls ever since. The 90-Day Done Right Promise is simple: if it’s not done right, Gus makes it right, in writing, on every solar job. Monrovia homeowners tell us the same thing over and over: a live person picked up the phone, gave them a straight number off their actual utility bill, and didn’t pressure them to sign that night. That’s the whole business model. Bring a bill, we’ll bring the math. Take two weeks. The price will be the same.
Solar Services We Offer in Monrovia
Solar Panel Installation
We design and install systems that fit Monrovia’s older roofs and fire-code requirements, not a one-size-fits-all layout from a brochure, for every Solar Panel Installation - Monrovia we take on. Every job starts with your real bill and a site visit, so the system we quote actually matches what you use.
Learn more about our Solar Panel Installation in Monrovia.

Solar Battery Storage & Backup
Monrovia sits in Santa Ana wind territory, and outages happen when those big gusts take lines down along the foothills. Our Solar Battery Storage & Backup in Monrovia keeps your refrigerator, lights, and internet running without a generator’s noise or fuel runs.
Learn more about our Solar Battery Storage & Backup in Monrovia.

Solar Panel Cleaning
Santa Ana winds carry dust, ash, and debris down from Monrovia Canyon and across the alluvial fan streets. A layer of grime on your panels quietly cuts production, and we’re the crew that handles our Solar Panel Cleaning in Monrovia properly.
Learn more about our Solar Panel Cleaning in Monrovia.

EV Charger Installation
Plenty of Monrovia driveways now hold an EV alongside the Craftsman porch. We handle EV Charger Installation - Monrovia on existing panels where they’ll fit, or pair the job with a panel upgrade if your 100-amp service isn’t up to it.
Call (877) 550-6892 for a free estimate on EV charger work in Monrovia.

Solar Panel Maintenance & Monitoring
You shouldn’t find out your system is underperforming from a surprise utility bill. Gus monitors what your system produces, and when something looks off, he’s the one who calls you, not the other way around.
Call (877) 550-6892 to talk about monitoring for your Monrovia system.

Solar Panel Repair
If a panel stops producing, a microinverter fails, or a raccoon gets under your array, we come out and fix it. We repair systems we didn’t install, too. We’ll give you a straight quote and tell you honestly if repair makes more sense than replacement.
Call (877) 550-6892 and we’ll come take a look.

Commercial Solar Installation
Monrovia’s small commercial buildings along Myrtle Avenue and Huntington Drive can cut their operating costs significantly with a properly sized system. We handle commercial arrays from early design through final inspection.
Call (877) 550-6892 to discuss a commercial solar project in Monrovia.

Neighborhoods We Serve in Monrovia
If your home is in Monrovia, you’re in our service area. We’re regularly on roofs in these neighborhoods, and when you call, we’re typically able to have someone out within the week to take a look.
- Upper Foothill (91016)
- Norumbega
- Bradoaks
- Old Town area and central Monrovia (91016, 91017)
- Monrovia Canyon Park area
Why Monrovia’s Climate & Housing Affect Solar
Monrovia sits at the base of the San Gabriel Mountains where the marine layer rarely reaches, so your panels will produce more than a comparable system in a coastal city. That’s a genuine advantage. But two local factors make every Monrovia solar job more complex than the regional average.
First, a significant share of Monrovia’s residential parcels, particularly those climbing toward Monrovia Canyon on the upper streets of 91016, fall within California’s High Fire Hazard Severity Zone. That triggers mandatory roof-access pathways and panel-setback requirements from Cal Fire that can reduce usable roof space by 20 to 30 percent compared to flatland neighbors like Arcadia. On upper Foothill streets, installers routinely encounter rules requiring 18-inch setbacks from all roof edges and a 3-foot clear pathway along the ridge. Homeowners who got a whole-roof proposal from an out-of-area sales rep often discover at permit submission that the compliant layout fits far fewer panels, which means a redesign and a re-quote. Local contractors learn to front-load this.
Second, Monrovia’s central and lower neighborhoods are heavily built out with Craftsman bungalows and Spanish Colonial Revival homes from roughly 1910 through 1945. Many still carry original or once-upgraded 100-amp electrical panels that can’t support a modern solar-plus-battery system without a 200-amp upgrade. Roofs on these older homes often feature aged or skip-sheeted decking that needs structural inspection, and sometimes reinforcement, before mounting hardware can be permitted. If someone quotes you solar without asking about your panel amperage or your roof decking, walk away.
Pricing for Solar in Monrovia
Because of the fire-code pathways and the older electrical panels common in Monrovia, you should expect real numbers that account for those costs upfront. Here’s a practical breakdown:
- Residential solar installation: $14,000-$28,000 before incentives, depending on system size, roof complexity, and whether a 200-amp panel upgrade is needed.
- Panel upgrade from 100-amp to 200-amp: $2,500-$5,000, commonly required on pre-WWII Craftsman homes.
- Battery storage addition: $10,000-$16,000 installed, depending on capacity and brand.
- Solar panel cleaning: $150-$300 per visit for a standard residential array.
- EV charger installation: $800-$2,500, depending on run distance and panel capacity.
- Solar repair call-out: $40 off any repair over $200, and no trip charge inside our own county.
If a salesman needs an answer tonight, the answer is no. Bring us a bill and we’ll quote the year-25 output, not the day-one brochure number. Senior and veteran discounts apply: 10% off, and it never expires.
Service Area - Cities Near Monrovia
Alongside Monrovia, our crews regularly work in home communities like Mayflower Village just to the west, Duarte to the east, Arcadia to the south, and Sierra Madre across the 210. If you’re in one of those spots, same deal: live person answers, free estimate, no pressure.
Serving Monrovia, CA - Our Local Coverage Area
We’re based in the Monrovia 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 About Solar in Monrovia
Most residential systems in Monrovia run between $14,000 and $28,000 before incentives, with the higher end reflecting the panel-layout redesigns and 200-amp electrical upgrades that fire-code pathways on upper 91016 often require. Call (877) 550-6892 for an exact quote off your real bill. Estimates are free.
Many do. A large share of Monrovia’s Craftsman and Spanish Colonial homes from the pre-WWII era still run on 100-amp service, which cannot support a modern solar-plus-battery system. We’ll check your panel amperage on the first visit and tell you plainly if an upgrade is part of the job.
On foothill streets in Monrovia, especially those approaching Monrovia Canyon Park, Cal Fire’s High Fire Hazard Severity Zone rules often require 18-inch edge setbacks and a 3-foot ridge pathway that reduce usable roof space. Out-of-area sales crews often miss this. A local contractor will design the compliant layout from day one, so the quote matches what actually gets permitted.
If it’s urgent, call (877) 550-6892 and we’ll tell you straight what our schedule looks like. We’re typically able to have someone in Monrovia within the week for estimates and sooner for repairs and safety concerns. And no trip charge inside our own county.
It depends on the age of your system and what failed. A single microinverter or damaged panel is usually a straightforward repair. A 15-year-old string inverter that’s died might be worth replacing with modern microinverters. We’ll give you honest numbers on both paths and won’t upsell you. Call (877) 550-6892 to talk it through.
Written by Gus Petrakis, Owner at Gus’s Solar, serving Monrovia and the San Gabriel Valley since 2011.
What happens when you call
- 1A real person answersNo phone trees - talk to a local solar pro.
- 2You get an upfront price rangeHonest numbers before anyone is dispatched. No surprises.
- 3A background-checked tech heads outLicensed & insured, typically within 1-hour.
- 4You approve before work beginsNothing starts until you say go.
What Monrovia Customers Say
"He flashed every roof penetration properly and showed me the flashing before it went down. Three roof seasons on and not a drop anywhere."
- Philomena Achara"Panel level monitoring so I can see each one, proper stainless clips under the array rather than zip ties, and he walked me under it with a torch to show me before he signed off."
- Cassius Delacroix"Gus's own crew did the install. Not a subcontractor who had never met him, which is what the big outfit quoted me and could not tell me who would actually be on my roof."
- Aurelia Santibanez






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