Licensed & Insured California Contractor — CSLB #1025448

Commercial & Industrial Door Services

Installation, service, repair, replacement, automation, and preventative maintenance of commercial and industrial door, access, and loading dock systems across Sacramento and Northern California.

  • Installation
  • Service
  • Repair
  • Replacement
  • Automation
  • Preventative Maintenance

Commercial & Industrial Door • Automation • Loading Dock Solutions

Guardian Door LLC provides comprehensive commercial and industrial solutions for roll-up doors, rolling steel doors, security grilles, sectional overhead doors, high-speed doors, hollow metal doors, storefront entrances, automatic doors, parking garage systems, commercial operators, gate operators, barrier arms, dock levelers, and loading dock equipment. We are commercial only — no residential garage doors — and we serve property managers, facility teams, retail centers, warehouses, medical buildings, and general contractors.

Door Lines

The doors we install and service

Rollup Doors

High-performance rolling doors for shops, warehouses, and light industrial openings.

Steel Ranger 9000 high-performance rolling door installed at a vehicle tinting shop
Steel Ranger 9000
Speed-Guardian 5000 high-speed door in a warehouse opening
Speed-Guardian 5000

Sectional Doors

Insulated and full-view sectional overhead doors for commercial and industrial buildings.

440U/450U sectional overhead door in metallic silver with microgroove fullview panels
440U / 450U

High-Speed Doors

Rapid-cycle doors that cut air loss and keep traffic moving in high-throughput openings.

SG 5000 high-speed door at a car dealership service entrance
SG 5000
SG 5000 C U 42 high-speed door with a black interior finish
SG 5000 C U 42
SG 5040 TurboLux high-speed door with a forklift passing through the opening
SG 5040 TurboLux

Cold Storage

Insulated high-speed doors for cold storage, food processing, and temperature-controlled space.

Iso Speed Cold 100 insulated cold storage door, viewed from inside the cold room
Iso Speed Cold 100

Where We Work

Every service above is available to commercial and industrial properties within about 100 miles of Sacramento — the greater Sacramento region, the Central Valley from Chico to Modesto, the Sierra foothills, and the East Bay.

See every city we serve

Not sure which service you need?

Describe what the door, gate, or dock is doing and we'll tell you what it takes to fix it — no runaround.