Non-destructive entry first, always - and we re-key Schlage, Kwikset, and Baldwin locks on the spot while you watch
You get a price before we start. It does not change when we arrive. No surprises.
Fast, Reliable Commercial Locksmith Across Antioch
A commercial locksmith call in Antioch almost always starts with one of two scenarios: a locked-out employee standing outside a storefront on W 2nd Street, or a property manager juggling keys for a multi-tenant building near Auto Center Drive. We get to both quickly. Our crews serve Antioch directly, coordinated from the brand’s San Francisco Bay Area office, and we answer every call with a live person, day or night. Call (956) 275-7388 and you’ll get a written price before anyone is dispatched. That’s not a promise we make lightly. It’s the way we work.
Antioch’s commercial landscape sits across two very different worlds. The older downtown storefronts on W 2nd Street still have original mortise lock pockets from the 1960s. The newer light-industrial and retail pads along Auto Center Drive and Century Boulevard run spec ANSI Grade 1 cylindrical and keypad hardware. A commercial locksmith here has to stock and master-key both on the same truck. We do. That local reality shapes every job we take in Antioch, from a single rekey to a full master key system across multiple suites.
Why Ridley Locksmith & Security Is Antioch’s Preferred Commercial Locksmith Company
Ridley Locksmith & Security operates under The Garrison Standard, a written code of accountability that’s been in place since 2007. Every technician dispatched to an Antioch address is background-checked and uniformed. You’ll know exactly who’s coming through the door before they arrive, because we tell you their name and we stand behind their work with a written guarantee, not a verbal one.
Our Commercial Locksmith team works on hardware most shops in the area only read about. We’re certified on Medeco, Mul-T-Lock, and Sargent high-security lines, and we service standard Schlage, Kwikset, and Yale hardware as well. For a business in Antioch, that means one call covers the old mortise lock on the back door and the keypad on the front entrance. No subcontracting, no second visit from a different crew, no unmarked van.
Response time to Antioch is honest and specific. We staff live dispatchers around the clock, and we schedule lockout and rekey work same-day whenever the call comes in. For master key systems and access control projects near the Antioch-Pittsburg corridor, we survey the job first, deliver a written scope and flat per-lock price, and schedule the work. You’ll never get a crew at the door with a clipboard full of add-ons you didn’t agree to.
Drew Kowalski leads the Ridley team, and every job we complete here carries the 365-Day Done Right Promise. If work fails inside one full year, we return and make it right at no charge. That’s a written guarantee on paper, handed to every Antioch customer, every time.
Master Key System in Antioch
A master key system for a commercial building in Antioch means one key opens everything you want it to open, and nothing you don’t. We design and install these systems for multi-tenant properties along Lone Tree Way, for small office buildings off Hillcrest Avenue, and for retail strips near the Somersville Road shopping area. The work involves pinning each cylinder to accept a master key plus an individual tenant or employee key, then logging which key opens which door. That log is called key control, and it’s the part most locksmiths skip. We don’t.
What a Master Key System Job Involves
We survey every door on the property, record the existing hardware, and build a keying schedule before a single cylinder gets pulled. For a typical three-to-five suite building in Antioch, a new master key system runs $450 – $1,000 depending on the number of doors and whether the existing hardware can be re-pinned or needs replacement. When the system is done, we hand you a written key-control log and a set of restricted keys that can’t be copied at the hardware store.
Key Control for Antioch Businesses
A property manager called us about three suites in a Century Boulevard office building. A departing tenant had walked off with the only copies of the building key. We verified the existing Sargent cylinders and instead of swapping out hardware, we re-keyed the whole suite loop into a new master key system with key control. The manager now holds a signed key-control log, each tenant gets one restricted key, and the old keys are dead. That’s how it should work every time.
Mortise Lock Replacement in Antioch
Mortise lock replacement in Antioch is mostly an older-building job. The storefronts on W 2nd Street, the professional offices near the county courthouse complex, and a lot of the 1960s-era commercial stock in the Rivertown area were built around mortise lock bodies. When one of these fails, replacing the entire body costs $280 – $520 including the new lock and labor. But before we pull an old mortise unit, we check whether the existing cylinder can simply be re-keyed. A rekey on a mortise lock runs $35 – $60 per cylinder, and it preserves the original hardware the door was built around. A landlord pays for hardware nobody needed when a shop doesn’t check first. We always check first.
Re-Keying vs. Replacing Mortise Hardware
Re-keying a mortise lock means changing the internal pins inside the cylinder so old keys stop working. The lock body, the trim, the strike plate all stay put. Replacing the lock means removing that original body and installing new hardware, which can require mortising out the door pocket to fit. We’ll tell you plainly which one your door needs, and the price is written down before we start.
When Replacement Is the Right Call
If the mortise body itself is broken, a spring has failed, or the deadlatch won’t hold, replacement is the honest answer. We stock replacement mortise bodies and trim for common brands so the job doesn’t stall waiting on a parts order. For Antioch businesses with original hardware, matching the existing trim is part of the job, and we do it.
Trusted Brands We Service in Antioch
Ridley Locksmith & Security services commercial hardware from Schlage, Kwikset, Yale, and Medeco, among others. We keep common cylinders, pins, and replacement parts on our trucks for fast same-day service in Antioch, including Commercial Lockout calls on older storefront hardware and rekeys on newer Grade 1 cylindrical locks. If you’re running a Medeco high-security system, we’re certified to cut and manage keys on that platform. No sending the job to a secondary shop. We handle it in-house.
Common Commercial Locksmith Problems We See in Antioch Homes
Antioch’s mix of older and newer commercial stock creates a specific set of failures we see again and again:
- Original mortise locks on W 2nd Street storefronts. These 60-year-old bodies are usually worth keeping, but the springs and cylinders wear out. A $40 rekey almost always beats a $400 hardware swap.
- Grade 1 cylindrical locks on Auto Center Drive and Century Boulevard. Spec hardware installed at construction often gets rekeyed by whoever shows up first. We find mismatched pins and missing key-control logs on a regular basis.
- Lost building keys at commercial properties near the waterfront and along Somersville Road. Antioch’s older industrial parcels turn over tenants frequently. When keys walk, we rekey the entire suite loop and issue new restricted keys with a signed log.
- Keypad and access control panels that lose programming during hot spells. Antioch’s summer heat and the delta breeze can push older electronics past their limits. We repair and re-program existing keypad entry systems and can integrate them with a new master key system when needed.
Pricing for Commercial Locksmith in Antioch, CA
We publish honest ranges because the biggest complaint in this trade is a locksmith who lands at the door and starts adding per-lock charges nobody agreed to. Here’s what commercial locksmith work actually costs in Antioch. A standard commercial rekey runs $35 – $60 per cylinder. A new master key system for a small multi-suite building runs $450 – $1,000. A mortise lock replacement runs $280 – $520, and installing a keypad entry unit runs $180 – $400 per door. Access control systems are scoped with a written proposal and a flat per-lock price. The price we quote on the phone is the price on the invoice. Full stop. Call (956) 275-7388 for a free estimate on any of this work.
We Also Serve Cities Near Antioch
If you’re just outside Antioch, we handle commercial locksmith work in Antioch and the surrounding communities of Oakley, Pittsburg, Clayton, and Brentwood. Same trucks, same written pricing, same 365-Day Done Right Promise. The drive adds a little time, but the price doesn’t change because of a city line.
Serving Antioch, CA - Our Local Coverage Area
We’re based in the Antioch 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 Commercial Locksmith in Antioch
Yes. A mortise lock with a pin-and-tumbler cylinder can be re-pinned into a master key system without replacing the lock body. We handle this on W 2nd Street regularly, and the cost runs $35 – $60 per cylinder plus the master key system setup. Call (956) 275-7388 and we’ll scope the number of doors on the phone before dispatch.
You get our technician’s name before they arrive, a business number that rings to a live person, and a written scope of work with pricing before any cylinder is touched. Our techs are background-checked and uniformed. Part of The Garrison Standard is that you know who’s walking through your door. You can ask for identification and verify it while we wait.
A rekey changes the internal pins in each cylinder so old keys stop working. The hardware stays on the door. Replacing a lock means removing and installing new hardware. Rekeying runs $35 – $60 per cylinder in Antioch. Replacement depends on the hardware and door prep, typically $180 – $520 per lock. We’ll tell you which one you need and write the price down before work starts.
Yes. We install keypad entry units at $180 – $400 per door and can integrate them with a master key system so every tenant gets one credential that opens their suite and the common areas. We survey the property first, deliver a written scope, and price it flat per lock. Call (956) 275-7388 to schedule a walk-through.
A single rekey takes under an hour once we’re on site. A master key system for a small building takes one working day, sometimes two if the door count is high. Mortise lock replacement on an older storefront usually runs two to three hours. We schedule around your building’s hours, and we give you a written time estimate at the same time we give you the written price.
Need a commercial locksmith in Antioch who writes the price down before the truck rolls? Call Ridley Locksmith & Security at (956) 275-7388 for a free estimate. Drew Kowalski and the team are ready now.
Written by Drew Kowalski, Owner at Ridley Locksmith & Security, serving Antioch since 2007.







Before
After