Raised-panel steel
Carriage house
Modern flush
Full-view glass
LiftMaster openers
Chamberlain openersFull 25-point door and opener safety check with every visit - springs, cables, rollers, tracks, and your LiftMaster or Chamberlain opener included
You get a price before we start. It does not change when the truck arrives.
Get your free estimateGenie Garage Door in Sunnyvale, CA
Genie opener repair in Sunnyvale typically runs $120 to $320, and most jobs are done the same day we diagnose them. We’re Commodore Garage Door Repair, and we handle Genie sales & service as an independent shop, not a manufacturer dealer. What sets our Genie work apart in Sunnyvale is simple: we know the Eichler homes here and what their low-headroom garages do to opener hardware. Call (877) 358-3130 and we’ll tell you straight whether it’s a repair or a replacement.
Why Sunnyvale Residents Choose Us for Genie Service
We work on what you already have. That’s the whole point. If your Genie opener is ten years old and making a grinding noise, we don’t walk in with a pitch for a new unit. We diagnose first. Nate Holloway, our owner, has spent the better part of two decades working garage doors across North San Jose and the South Bay, and his rule is simple: “I’ve seen the problem before. Let’s just fix it right.” That approach matters in Sunnyvale, where the housing stock is mostly 1950s to 1970s ranch homes with original garage openings that don’t fit modern off-the-shelf setups cleanly. We carry Genie OEM belts, drive gears, logic boards, and safety sensors on the truck for the models we see most around here. One call covers the door and the opener. We’re the same crew whether it’s a stretched chain or a sagging track.
Styles & brands we work with
- Raised-panel steel
- Carriage house
- Modern flush
- Full-view glass
- LiftMaster openers
- Chamberlain openers
Common Genie Garage Door Problems We Solve in Sunnyvale
- Belt and chain drive assemblies that stretch and slip. SilentMax and ChainMax units strain hard when they’re pulling a reinforced door that was re-hung for an Eichler-era attached garage. The belt or chain stretches over time, and the opener starts reversing mid-travel or shuddering. We re-tension or replace the drive and match it to the door’s real weight, not the factory assumption.
- Logic-board and capacitor failures on older IntelliG and ChainMax openers. The classic symptom is an opener that moves one inch and stops, or a remote that won’t hold its code after a wet winter. Sunnyvale’s atmospheric-river storms and power flickers are rough on aging boards. We test the board in place before quoting you a replacement, because a capacitor is a $30 fix where a board is not.
- Safety-sensor misalignment and corroded sensor wiring. Damp winters in Sunnyvale get into the sensor leads, especially on doors that face west and catch afternoon heat and evening condensation. The door closes partway, thinks something’s in the way, and reverses. We trace the wiring, clean or replace the connections, and realign the eyes so the door closes fully on the first try.
- Screw-drive rail wear on Excelerator units. The Excelerator’s screw rail depends on clean, even grease. In Sunnyvale’s dry summers, the grease breaks down faster than expected, and the rail starts to gall. You’ll hear a climbing grinding noise. We clean the rail, re-lubricate with the right compound, and replace the drive gear if it’s already stripped.
- Stripped drive gears from heavier hardware. A lot of Sunnyvale doors were re-hung decades ago with heavy wood or reinforced steel panels. The opener’s plastic drive gear becomes the sacrificial point. That’s a known Genie failure mode and a fast fix when the gear is on the truck, which it usually is for us.
Genie Service in Sunnyvale: What Local Conditions Mean for Your Equipment
In Fairbrae and Pomeroy, the Eichler and Eichler-style homes put the garage door flush under a low roofline. There’s no vertical headroom for a standard torsion assembly, which means Genie opener work on these houses starts with the track and the mounting hardware, not the opener itself. If the track anchors aren’t set for the low-headroom kit and the opener is fighting a door that’s too close to the ceiling, every moving part wears faster. We see it constantly. A Genie ChainMax on a Fairbrae Eichler was reversing mid-travel, and the owner assumed the opener was dead. The real problem was a stretched chain drive fighting heavy reinforced door hardware and a sagging track. We re-anchored the track, replaced the drive gear, and re-tensioned the chain to the door’s actual load. The door runs full travel now on the original Genie unit. That’s the difference between knowing the opener and knowing the house it’s mounted in. Sunnyvale’s seismic-bracing expectations also mean the track and opener brackets here need to be anchored better than they would be in a newer suburb with standard framing. We set them accordingly.
Genie Models & Products We Service in Sunnyvale
We service the full practical range of Genie openers you’d find in Sunnyvale garages today: the ChainMax chain-drive line, SilentMax belt-drive models, IntelliG and StealthDrive series, and the older Excelerator screw-drive units. Parts policy is straight. We use Genie OEM belts, drive gears, logic boards, and safety sensors wherever they still fit and make sense. For wear items like rollers and springs, we’ll use quality aftermarket equivalents when the Genie-branded part adds cost without adding life. That keeps a $200 repair from becoming a $500 one. Our trucks are stocked for the common Sunnyvale failures, which means most Genie opener repairs here are one trip. Straight diagnosis, clear options, no upsell pressure.
See the difference
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After
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After
Before
AfterGenie Service Pricing in Sunnyvale
| Service | Typical Range |
|---|---|
| Opener Repair | $120 – $320 |
| Opener Installation | $250 – $550 |
| Track Realignment | $120 – $240 |
| Spring Repair | $180 – $340 |
What drives the number is parts plus access. A straight gear swap is at the low end. A board replacement on an IntelliG with a corroded wiring harness is at the high end. Your price is quoted and agreed before any work starts, and we don’t change it after we open the unit. We also cover Sunnyvale service area calls with free estimates on replacement work. Call (877) 358-3130 and we’ll give you an exact number before you commit to anything.
Serving Sunnyvale, CA – Our Local Coverage Area
We’re based in the Sunnyvale area and offer Garage Door Repair in Sunnyvale, and know this community well. Use the map below to see our service coverage – if you’re nearby, we can almost certainly help.

FAQs – Genie Garage Door in Sunnyvale
Do you repair Genie openers or only install new ones?
We repair Genie openers first and install new ones when the repair doesn’t make sense. Most of our Sunnyvale Genie calls are repairs: stretched belts, stripped gears, dead logic boards, misaligned sensors. If a unit is old enough that the board and the gear are both gone, we’ll tell you so and quote a replacement honestly.
Are you a Genie authorized dealer?
No. We’re an independent Genie service provider in Sunnyvale. We’re not authorized, sponsored, or endorsed by Genie or its parent company. What that means for you is we make repair-versus-replace calls without a sales quota attached. If your Excelerator needs a $25 gear, we’ll tell you that. If it needs a new rail, we’ll tell you that too.
How long does a Genie opener repair take in Sunnyvale?
Most opener repairs are done in one visit, and a gear or capacitor replacement is typically an hour or less. Belt and chain re-tensioning on a heavy reinforced door in an Eichler-era garage can take longer because the track anchoring has to be checked at the same time. We carry the common Genie parts on the truck, so you’re not waiting on a second trip in most cases.
Which Genie models do you service in Sunnyvale?
We service ChainMax, SilentMax, IntelliG, StealthDrive, and the older Excelerator screw-drive line. That covers the vast majority of Genie openers installed in Sunnyvale homes over the past 25 years. If you’ve got a model we don’t recognize, call us and read the label; we’ll tell you over the phone whether it’s serviceable.
How much does Genie opener repair cost in Sunnyvale?
Genie opener repair in Sunnyvale typically runs $120 to $320 depending on the part and the failure. A simple sensor realignment sits at the low end. A logic-board replacement on an older IntelliG sits at the high end. Call (877) 358-3130 for an exact quote; we’ll give you the number before we touch anything.
Service Areas Near Sunnyvale
We run the same Genie service across the neighboring cities. That includes Genie service in Santa Clara and Genie service in Fremont, plus Mountain View, Cupertino, and Milpitas. If you’re near the Sunnyvale border and unsure whether we cover your street, call and ask.
Book Your Genie Service in Sunnyvale Today
Call (877) 358-3130 and tell us what your Genie opener is doing, or not doing. We’ll give you a straight diagnosis over the phone when we can, and schedule a time that works for you. Estimates are free, and the price you’re quoted is the price you pay.
Written by Nate Holloway, Owner at Commodore Garage Door Repair, serving Sunnyvale, Cupertino, and the South Bay.