San Mateo County, California

Aluminum Storefront Doors & Entrances in South San Francisco, CA

Need aluminum storefront door repair, glass replacement, and entrance replacement in South San Francisco? Guardian Door LLC works with retail tenants, shopping centers, offices, and medical buildings. Share what the door is doing and we’ll confirm the next step.

  • Licensed & insured
  • Fast response
  • 5.0 on Google
  • California CSLB #1025448

    Verify on the CSLB site
  • Fully insured

    Certificate of insurance on request

  • Commercial & industrial only

    No residential garage doors

  • Based in Sacramento

    Northern California service area

Your Storefront Entrances Team in South San Francisco

Guardian Door LLC provides aluminum storefront door repair, glass replacement, and entrance replacement for South San Francisco and nearby San Mateo County communities. South San Francisco is about 81 miles southwest of our Sacramento base, in San Mateo County. We also cover nearby San Bruno, Millbrae, and Daly City. More detail is on our main storefront entrances page.

  • Complete storefront entrance replacement
  • Panic hardware and exit devices
  • Worn pivots, hinges, and closers
  • Locks, cylinders, and thresholds
  • Doors that no longer latch or have racked out of square
  • Broken storefront glass replacement

Storefront door problems we troubleshoot in South San Francisco

  • The most common storefront failure is a door that has racked: the aluminum corner joints loosen, the leaf drops out of square, and it stops latching.
  • Tightening the closer doesn’t fix it — re-squaring the door and replacing worn pivots does.
  • Broken glass is measured at the opening so the correct tempered or insulated unit can be ordered, and the opening can be boarded up temporarily in the meantime when needed.

Storefront systems and hardware we service

  • Aluminum entrance doors and framing, glass, top and offset pivots, butt hinges, overhead and floor closers, rim and concealed vertical rod exit devices, locks, and thresholds.
  • Replacement lead time depends on door size, finish, and glass type; we include it with the quote.

Local requirements and safe operation

  • Requirements for storefront exits and panic hardware depend on the specific opening — its fire rating, egress role, accessibility function, and the occupancy of the building.
  • They are set by the building and fire authority with jurisdiction over your address, which in South San Francisco can be a city department or the county, depending on where the property sits.
  • We check what applies to your opening before recommending work, and we tell you when a component repair is not the same as a full compliance inspection of the assembly.

Our 5-Step Storefront Entrances Process

  • In South San Francisco, our work follows 5 service-specific steps, from entrance evaluation through final adjustment.
  • The detailed process below explains what each stage covers so you know what to expect before requesting a visit.

Photos from Guardian Door job sites across Northern California. Explore examples of the work we offer in South San Francisco, CA. Project locations are labeled where available.

See more Guardian Door projects →

How Storefront Entrances Works in South San Francisco, CA

  1. 1

    Entrance evaluation

    We measure the door and frame for square, check the pivots and closer, and identify whether the problem is hardware, alignment, or a failing frame.

  2. 2

    Written scope

    You receive pricing for the repair path and, where relevant, for replacing the leaf or full entrance — including glass type and hardware finish.

  3. 3

    Glass and framing work

    Tempered or insulated units are ordered to size; corners are re-squared and re-fastened, and damaged rails, stiles, or framing are replaced.

  4. 4

    Hardware installed

    Pivots, hinges, closers, thresholds, weather seals, locks, and panic hardware are installed and adjusted to spec.

  5. 5

    Final adjustment

    The entrance is cycled, latching verified, closer sweep and latch speeds set, and egress function confirmed.

Storefront Entrances in South San Francisco, CA — FAQs

Do you provide storefront entrances in South San Francisco?

Yes — we cover South San Francisco and nearby San Mateo County communities from Sacramento. Timing depends on the scope of work; share the address and what the door is doing and we’ll confirm.

Can you replace broken storefront glass?

Yes. We measure the opening, order the correct tempered or insulated glass unit, and secure the opening in the meantime with a temporary board-up when needed. Standard tempered lites are usually available quickly; custom insulated or tinted units take longer.

Where do you dispatch to South San Francisco from?

We dispatch from Sacramento. South San Francisco is roughly 81 miles southwest of our base, inside our 100-mile service radius.

Do you install panic hardware and exit devices?

Yes. We install and repair rim, concealed vertical rod, and mortise exit devices on storefront doors, including electrified options and alarmed exit hardware, set up so the opening stays code-compliant for egress.

What information helps you prepare?

Storefront location and number of doors affected; Whether any glass is broken or the opening is unsecured; Hardware finish you want matched — clear aluminum, dark bronze, black; Whether the door is on a panic device or a standard lock; Access hours — many storefront jobs are best done before opening.

Can you replace the whole storefront entrance?

Yes. When the doors and framing are both past their life we remove the existing entrance and install new storefront framing, doors, glass, and hardware, matching or updating the finish and profile of the rest of the storefront.