Fontana, San Bernardino County
Electronic Lock Installation in Fontana
Short answer: The first decision is where the power comes from. A battery electronic lock carries its own cells, mounts like an ordinary lock and needs no wiring. A wired electric lock, such as an electric strike or magnetic lock, runs from a low-voltage power supply and usually pairs with a reader, keypad or button. For electronic lock installation in Fontana, we match the style to your door.

A casita, a detached office or a rented room in Fontana changes hands more often than a front door does. Every new occupant means another key to cut, track and eventually chase down. An electronic lock that reads a card, fob or code lets you issue and cancel access without rekeying anything. The trick is picking one that suits a door that may be thin, exposed to sun, or far from the house. Julian's Locksmith installs these locks on site, programs the first credentials with you present, and leaves a mechanical key override for the day a battery gives out.
How this works in Fontana
Credentials are the part you live with every day. Codes are easy to share and easy to forget to cancel. Proximity cards and fobs are fast and can be deactivated one at a time, but they get lost and lent. Fingerprint readers remove the thing to carry, though dirty, wet or worn fingers can slow them down. Phone credentials trade convenience for dependence on a charged phone. We help you pick a credential type that matches how the door is used, set up a private master or programming credential, and show you how to add and remove users yourself. In Fontana, heat and sun are worth planning around, since many readers are happiest in shade. We are licensed under LCO7891, verify ownership before work, and are available every day from 6:30 a.m. to 11:30 p.m. We also store nothing about your credentials; you choose the master code and keep it. Call (951) 903-3193 to start.
Work included on a typical visit
- Card, fob and proximity locks for offices and shared spaces. For a break room, supply closet, studio or shared office suite, a card lock removes the key ring. Battery models enroll cards at the lock or through a small handheld or software tool, depending on the brand. We install the lock, enroll the credentials you have on hand and set the clock so any logs make sense.
- Fingerprint and biometric locks. Biometric locks are popular on home offices, workshops, medicine rooms and teenagers' bedrooms. Because the fingerprint templates stay inside the lock, removing a user takes a few button presses. We install the lock, show you how to enroll and delete fingers, and explain why a mechanical key override is still worth keeping.
- Electric strikes on existing doors. Of the wired options, an electric strike is usually the least disruptive. The door keeps its lever and key, the frame takes the modification, and a door with no power still opens from inside by hand. We dress the cutout, fasten the keeper, set the latch gap so it neither binds nor rattles, and test from the lobby side.
- Electrified mortise locks, exit devices and lever trim. Electrified hardware gives you free exit as a built-in feature, since the inside lever or push bar works mechanically whatever the power is doing. That makes it a common choice for clinics, offices and shared lobbies. The work is more involved than a strike, so we survey the door, order exact parts and schedule the install around business hours.
- Power supplies, battery backup and the wire path. Any new 120-volt circuit, and long cable runs through walls or ceilings, go to a licensed electrician or low-voltage contractor, and we coordinate rather than improvise. When a plug-in transformer can feed the supply safely, we install and label it. When it can't, we tell you before the day starts and say what has to be arranged.
What's different about Fontana
Many older houses in Fontana have plaster walls, wood jambs and no outlet within reach of the front door, so a battery electronic lock is usually the practical choice. Thick solid doors and old mortise pockets may need an adapter kit or a cover plate. We never tap old wiring for lock power. If a wired lock makes sense, a licensed electrician should supply the power, and we cut the wood jamb carefully so the trim stays intact.
New homes in Fontana arrive with standard bores and builder-grade Kwikset or Schlage hardware, so swapping in an electronic deadbolt goes quickly. Some have low-voltage pre-wire for doorbells, but door locks rarely get any. A new house keeps settling for a few seasons, and doors swell and shrink with the seasons, so we check the strike alignment and fasten it into the framing, then recheck once the house has had time to move.
Inland summers are hard on electronic locks. A west-facing door can run hot enough to shorten battery life, fade labels and slow a fingerprint sensor, and a power supply tucked in a hot attic can overheat and drop out. We favor outdoor-rated models, mount supplies in cooler spaces, check door alignment in heat when doors swell, and suggest a more frequent battery change from June through September.
Situations this covers
- Imagine a family on a few acres outside Fontana who live with fire-weather power shutoffs and want an electric strike on a workshop door. We'd choose a fail-secure strike so an outage never leaves the shop open, size the power supply with battery backup, and test the door with the breaker switched off, the way a real shutoff would.
- A tenant improvement at a retail unit in Fontana: the landlord wants the rear service door on the same card system as the front, but the work will be done one door at a time. We'd start with a standalone card lock that works today and note where power and conduit would go, so a networked reader can be added later without opening the wall twice.
- A typical call: a homeowner in Village of Heritage converted a garage into a rentable studio. There is no outlet near the door and no Wi-Fi out there. We'd install a battery electronic deadbolt with a keypad and card reader, key the override to the owner's house key, and show them how to issue the next tenant a fresh credential.
- In a case like this, a restaurant's back door has been flagged by an inspector: it has a magnetic lock and no obvious way out. We'd mount a motion sensor and a clearly labeled push-button release, connect the power to the fire alarm if the building has one, test the release with power on and off, and leave notes for the follow-up visit.
Step by step with Julian's Locksmith
- Describe the door and the worst day. Start with the job the door does: a front entry, a casita, a back office, a glass storefront. Then say how many people need access and whether anyone must be able to enter without a card. With that, we can pack the right lock, strike and wire for a single trip.
- Choose battery or wired, fail-safe or fail-secure. Next we settle the architecture. A battery lock is fastest and needs no cable. A strike keeps your existing lock and adds remote release. A magnetic lock suits some glass doors but needs an approved exit release. We explain each trade, choose fail-safe or fail-secure, and write it into the quote.
- Survey the door, frame and wire path. At the door we measure bore, backset, thickness and frame depth, check alignment, and look at where cable and power could go. A sagging door or shifted frame gets corrected first, since an electric part can't fix a latch that binds. We also check whether the door is fire-rated.
- Prepare the door and mount the hardware. We cut the frame or bore the door to the manufacturer's template, mount the lock or strike, and fasten the keeper or armature plate with the right screws. Where a bolt must throw into a frame, we use long screws into the framing. Holes left by old hardware are covered or filled cleanly.
- Connect power, release devices and programming. For wired locks, we mount the supply, run the low-voltage cable, make the connections at the lock, reader or button, and check voltage at the door under load. Then we add the sensors the door needs. We label each wire and leave a short note saying where the supply is.
- Test failure modes and hand over. Handing over means you can run the lock without us. We watch you add and delete a credential, show where spare batteries or the emergency power terminals are, and confirm the mechanical override works. If an inspection is part of your project, we leave notes on what was installed and how it was tested.
Pricing factors
- Battery lock or wired lock. The price moves mostly with which parts are involved. A standalone card lever, an electric strike with a keypad and an electrified exit device are different products with different labor. We write down what each quote includes, so comparing two estimates means comparing the same list of parts.
- Power and wiring. Where there is no nearby outlet, someone has to create one. A new 120-volt circuit is licensed electrical work, so it is quoted and scheduled separately, and we coordinate with the electrician. If a plug-in supply can safely do the job, we use it and that cost stays low.
- Exit release and code requirements. Wired locks on commercial doors may need request-to-exit sensors, push-button releases, door position switches and a fire alarm relay. Each device adds hardware and labor. We list which ones your door actually requires, so you pay for what safe exit demands and nothing decorative.
Every job gets a clear quote before any work starts. Call (951) 903-3193 with the details and we'll tell you what to expect for your situation in Fontana.
Common errors that cost time and money
- Installing a magnetic lock with no release device. The door may open on a power cut, but anyone pushing on it while the power is on is stuck. People need a labeled push button or sensor, plus fire alarm release where required. A bare maglock is not a safe exit.
- Drilling a fire-rated door or frame outside its listed preparation. The label is part of the building's safety system, and extra holes or cutouts can void it. Choose hardware built for the existing preparation, and ask which listed products fit before anyone cuts.
- Buying a lock before looking at the door. Bore size, thickness, backset and fire rating all limit your choices. Online listings say fits most doors, but older doors and storefronts in Fontana often aren't most doors. Measure first, or send us photos and the model number to check.
Advice before you book
- Choose the credential for the people, not the product. An elderly relative may manage a code or key better than a phone app, teenagers lose cards, and a crew with wet hands will curse a fingerprint reader. Match the credential to who uses the door and what is in their hands.
- When upgrading an older door, check fire rating, thickness and bore before ordering. A label on the hinge edge of the door or on the frame tells you whether it is rated. Rated doors can't be drilled freely, and the wrong lock can void the rating.
- Change the factory programming code the day the lock goes on. Keep the new one in a password manager or a locked file, not on a sticky note by the door. Anyone who sees the default can add themselves as a user, and it can go unnoticed for a long time.
- Test a wired door with the power off at least twice a year. Flip the breaker or unplug the supply and confirm the door does what you expect, whether that is staying locked with a way out or releasing. Systems drift, and a dead backup battery rarely announces itself.
Getting to Fontana
Fontana is about 16 miles from our San Bernardino base, roughly 22 minutes in light traffic via Palm Avenue to I-215 South. When you call, you get an arrival estimate based on where the technician is and the traffic at that moment.
Traffic matters more than mileage. We check conditions on Summit Avenue and its connecting routes before quoting you a time, and we don't pretend a long drive through heavy congestion is a short one.
About Fontana: California Speedway opened in June 1997 on former Kaiser mill land just outside city limits, and as Auto Club Speedway it hosted its last NASCAR Cup race in February 2023.
| Neighborhoods | Village of Heritage, Southridge Village, Jurupa Hills area, Panorama, Downtown Fontana, Sierra Lakes |
|---|---|
| ZIP codes | 92335, 92336, 92337 |
| Main routes | I-10, I-15, SR-210, Sierra Avenue |
| From our San Bernardino base | about 16 miles via Palm Avenue to I-215 South, then SR-210 West (Foothill Freeway) to the Sierra Avenue exit and south into downtown; I-215 North to I-15 South for the Sierra or Summit Avenue exits in North Fontana; I-215 South to I-10 West for Sierra or Cherry Avenue in South Fontana |
New or replacement locks in Fontana?
Call (951) 903-3193 and tell us which doors and what kind of hardware you have in mind. If you already bought the lock, keep the box handy so we can check it fits the door, and we'll quote the install before any work starts.
Frequently asked questions
Should I choose a battery lock or a wired lock?
Choose a battery lock when you want a quick install on a door with no nearby power, a handful of users and a lock you program at the door. Choose a wired lock when you need remote release, a visitor buzzer, many users managed in one place or a reader that controls an existing lockset. Wired takes more work, and it can be worth it on a busy commercial door.
Can a renter install an electronic lock?
Only with the landlord's written approval. Landlords need a way in for repairs and emergencies, and California law requires notice before they enter. A rental's main entry door must also keep a working deadbolt. Many owners agree to an electronic deadbolt if they receive a master credential or a keyed override. We install it with the owner's permission and can put the original lock back at move-out.
What happens to an electronic lock during a power outage?
A battery lock doesn't care about the grid, since its power is inside the lock. A wired lock follows its design: fail-secure stays locked and opens from inside, fail-safe releases. A supply with a battery backup carries wired locks through short outages. We test every door with the power off before we leave, so you know exactly how it behaves when the lights go out.
What is the difference between an electronic lock and a smart lock?
An electronic lock is any lock where electronics help decide whether the door opens: a keypad, a card reader, a fingerprint sensor or an electric strike. A smart lock is an electronic lock that also connects to a phone, hub or Wi-Fi so you can manage it remotely. Many electronic locks never connect to anything, which keeps setup simple and removes an app and an account from the picture.
Can I add electronic entry without replacing my current lock?
Often, yes. An electric strike lets a reader, keypad or button release the latch while your existing lockset and key stay in place. Electrified lever trim does something similar on certain commercial locksets, and retrofit locks that keep your exterior cylinder swap only the inside half. Which option fits depends on the latch, the frame and whether power is nearby, so we look at the door first.
Should I choose a code, card, fingerprint or phone credential?
Pick the one that matches the users. Codes are cheap and need nothing to carry, but they are easy to share. Cards and fobs cancel one at a time. Fingerprints leave nothing to lose but can struggle with wet or worn fingers. Phone credentials are convenient until a battery dies. Many locks combine two, such as a code plus a key, so there is always a fallback.
How far is Fontana from your base?
Fontana is about 16 miles from our San Bernardino base, roughly 22 minutes in light traffic. Arrival time depends on traffic and on the job the technician is finishing, so we give you an estimate on the phone before you commit.
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