What We Do
Our Services
From broken springs to full door installations — Alpha Garage Door Repair handles it all. Serving St. Louis County and St. Charles County with fast, honest service.
Garage Door Repair
Broken panels, off-track doors, damaged cables — we diagnose and fix all makes and models. Most repairs are completed same day.
- All makes & models
- Same-day service available
- Free diagnosis with repair
- Parts & labor guaranteed
Spring Replacement
Torsion and extension spring replacement done safely by certified technicians. Springs are under extreme tension — never attempt a DIY fix.
- Torsion & extension springs
- High-cycle spring upgrades
- Both springs replaced together
- Lifetime warranty available
New Door Installation
Upgrade your home's curb appeal and security with a brand-new garage door. We carry steel, wood, and carriage-house styles in dozens of finishes.
- Steel, wood & carriage-house
- Custom sizes available
- Insulated door options
- Full removal of old door
Opener Repair & Install
Belt drive, chain drive, or smart Wi-Fi openers — we repair existing units and install new ones with full programming and testing.
- All major brands serviced
- Smart/Wi-Fi opener setup
- Keypad & remote programming
- Safety sensor alignment
Emergency Service
Stuck door? Broken spring at night? We offer emergency response across the St. Louis metro area — fast, reliable service when you need it most.
- Fast response times
- St. Louis & St. Charles County
- No extra hidden fees
- Call for availability
Commercial Doors
High-cycle commercial doors, roll-up doors, and sectional doors for warehouses, retail, and industrial properties. Minimal downtime guaranteed.
- Roll-up & sectional doors
- High-cycle rated hardware
- Warehouses & retail spaces
- Scheduled maintenance plans
Preventive Maintenance
A tune-up today prevents a breakdown tomorrow. Our maintenance service covers lubrication, balance testing, hardware tightening, and full safety inspection.
- Full safety inspection
- Lubrication & balance test
- Hardware tightening
- Extends door lifespan
Cable Repair & Replacement
Frayed or snapped cables cause doors to fall unevenly and can be dangerous. We replace cables quickly and safely to restore smooth, balanced operation.
- Same-day cable replacement
- Balanced door operation
- Prevents further damage
- All cable types
Simple Process
How It Works
Call or Book Online
Reach us by phone or fill out our online form. We'll confirm your appointment within minutes.
Technician Arrives
Our certified tech arrives on time, calls 30 minutes before arrival, and comes fully stocked.
Free Diagnosis
We inspect the issue and give you a clear, upfront quote — no surprises, no pressure.
Job Done Right
We complete the repair or installation and test everything before we leave. Guaranteed.
"Spring broke Saturday morning — fixed within 90 minutes."
— Mike R., Chesterfield
"New door installed perfectly. Crew was professional and clean."
— Sandra K., St. Charles
"Called for an emergency at 10pm — they actually showed up."
— Dave T., Ballwin
Ready to Get Started?
Free estimates on every job. No hidden fees. Just honest work from your local garage door pros.