Ontario Lock Changes for Homeowners, Renters and Landlords

How this works in Ontario

There are three ways to change locks, and choosing among them depends mostly on the condition of what's already on your doors. Rekeying keeps the hardware and swaps the pin stack inside each cylinder, so the old key no longer reaches the shear line. It's the right call for sound locks you like. Replacing only the cylinder works on mortise locks, rim locks and Euro-profile multipoint doors, where the cylinder is a separate part. Replacing the whole lockset makes sense when the latch sticks, the knob wobbles, the finish has peeled in the sun, or the lock is an ungraded bargain model. In Ontario, many homes end up with a mix: re-pinned deadbolts on the front and garage entry, new levers on a back door that has worn out, and a matching cylinder added to the security screen door. We explain each recommendation door by door and price the options so you can choose. Nothing gets replaced just because we happen to have stock on the truck.

How we can help in Ontario

• New lockset installation on existing door prep. Replacement makes sense for loose knobs that spin, latches that stick in summer heat, peeling finishes and ungraded bargain locks. We suggest ANSI/BHMA Grade 1 or 2 hardware for exterior doors, explain the difference in plain terms, and will install locks you bought yourself as long as they suit the door.
• Restricted keyways and high-security cylinders. A 'Do Not Duplicate' stamp on an ordinary key is a polite request, not a barrier, and plenty of kiosks ignore it. Real key control comes from controlled blanks and a registered owner. When we change locks to a patented keyway, you decide who may order copies, and new keys require proof that you approved them.
• Strike and frame reinforcement. After forced entry, we assess the jamb, door edge and hinge screws before installing anything. A split jamb may need a repair kit or a carpenter, and we're honest about where locksmith work ends. When the frame is sound, a reinforced strike and longer hinge screws make the new lock worth what you paid for it.
• Urgent safety lock changes. Safety lock changes include small extras that make a real difference: rekeying the garage entry and side door too, resetting keypad and garage opener codes, and checking whether sliding doors need a secondary bar or pin. We describe the work on a dated invoice, which some tenants and their advocates find useful as documentation.
• Rental turnover lock changes. Landlords and property managers change locks between tenants so a former occupant's copies can't open the unit. We rekey the entry deadbolt and handle, the mailbox lock if it's yours to change, and any storage or garage locks, then hand you a labeled key set. Quick turnover work keeps vacancy short.

What's different about Ontario

New tract homes come with builder-grade locks, and every trade on the job may have touched the keys. Some builders use construction-keyed cylinders designed to disable the trades' key once the owner's key is used; many don't, and you can't tell by looking. For a newer Ontario home, a rekey of the existing hardware is often enough, with a Grade 1 deadbolt and reinforced strike on the front door if the builder skimped.

Inland heat is hard on locks. Doors expand, strikes misalign, and dark finishes on sun-facing doors fade or peel. When you change locks in Ontario, choose finishes that tolerate direct sun and keypad locks rated for outdoor heat, and expect batteries to need replacing more often in summer. We set strikes with enough tolerance that the deadbolt still throws easily on the hottest afternoons.

Long commutes mean long empty hours at home, and a lock change for commuters should account for that. In Ontario, many households add a smart deadbolt that reports its status, so you can confirm the door is locked from the office. We can schedule a lock change early, starting at 6:30 a.m. every day of the week, so you don't lose a full day of work.

Situations this covers

A landlord with a single-family rental near Mountain Avenue has just regained possession from a tenant who left in a hurry. The old deadbolt has a worn bolt and a strike held by short screws, and the knob is loose. We would replace both locks with a matched Grade 2 set keyed alike, fit a reinforced strike with long screws, and cut keys for the landlord and the next tenant. The lease and the receipt go in the file.

• Imagine a couple separating, with one partner moving out of a Ontario home they both own. The one who stays wants new keys. Because both names are on title, we'd explain that a lock change doesn't alter ownership rights and that those decisions belong with attorneys or the court. With the other owner's written agreement or a court order, we'd rekey the house and record who received keys.
• A typical call: a roommate in a Ontario rental moves out after an argument and keeps a key. The remaining tenant contacts the property manager, who agrees to a rekey as long as the office receives a copy. We'd check the lease and ID, re-pin the entry deadbolt and handle, cut keys for each remaining tenant plus one for the manager, and note who received them.
• For example, you close escrow on a 1970s single-story house in Creekside and receive three mismatched keys and one garage remote. Nobody knows how many copies the sellers' family made over forty years. We'd rekey the front deadbolt and knob, replace a side-door lever that no longer latches, key everything alike, and show you how to clear the opener's memory so old remotes stop working.

How the visit works

1. Tell us the reason and count the doors. Call (951) 903-3193 and tell us why you want to change locks: move-in, lost keys, break-in, safety or turnover. Then count keyed doors, including the garage entry, security screen door and gates. That list, plus the brands printed on the locks, lets us load the right pins and hardware.
2. Verify residence or ownership. Before we change locks, we confirm you have the right to authorize it. Owners show photo ID plus something linking them to the address, such as a closing statement, deed or utility bill. Tenants show ID and a lease, and we may ask about landlord consent. It's how a licensed locksmith should work.
3. Inspect each lock and choose rekey or replace. We measure backset, bore and door thickness wherever new hardware is on the table, because a lock that doesn't fit the existing prep means drilling, filler plates or an extra trip. Measuring first means the new lock goes into holes it was designed for, and your door edge stays clean.
4. Re-pin or install the hardware. Strike work happens at this stage too. We chisel or file the strike pocket so the bolt enters cleanly, drive longer screws into the framing, and adjust the latch strike so the door closes without a shoulder push. A lock that latches easily is a lock that actually gets used.
5. Test every key on every door. Each new key gets tried in each lock it should open, with the door open and again with it closed, because a strike that binds only shows up when the door is shut. We check the inside thumbturn, the deadbolt's full throw, and that the latch catches on its own.
6. Hand over keys and records. You get the new keys, a count of how many were cut, and an itemized invoice. We suggest writing down who receives each copy. If you rent, the landlord or manager typically gets one under your lease. Old keys can go in the trash; they no longer fit anything on the property.

Pricing factors

• Hardware grade, brand and finish. You're welcome to buy your own hardware. We install customer-supplied locks, charging for the installation and any rekeying needed to match your house key. Just check that the lock is meant for an exterior door, fits your door's thickness and backset, and comes with all its parts, since missing screws and strikes are common.
• Door condition and prep work. Doors in inland Southern California shift. Heat swells wood doors, stucco homes settle, and strikes drift out of line. If a new deadbolt can't throw fully until the strike is relocated, that adjustment becomes part of the job. It's modest work, but it shows up on the quote.
• Timing, travel and urgency. Our hours are 6:30 a.m. to 11:30 p.m., seven days a week. A late-evening lock change within those hours is possible, and we'll tell you on the phone whether timing affects the quote. Planned move-in rekeys are the easiest to schedule.

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 Ontario.

Mistakes to avoid

• Buying hardware before measuring. A lock with the wrong backset, a latch with the wrong faceplate shape, or a deadbolt that's too short for a thick door leads to returns, extra drilling or a lock that never closes properly. Measure first, or have a locksmith measure while assessing the door.
• Over-tightening the through-bolts. Cranking the screws that hold a knob, lever or deadbolt together squeezes the mechanism and makes the latch or bolt drag. The lock feels solid at first and then starts sticking, especially when heat swells the door. Snug and even is correct; the door should close with one easy push.
• Installing a new lock into a weak strike. A Grade 1 deadbolt anchored by short screws into a thin pine jamb fails at the jamb. When you change locks, upgrade the strike and use long screws into the framing behind it, or the new hardware mostly just looks nicer.

What to do before we arrive

• Ask for keys cut from code rather than copied from another copy. A key duplicated from a worn duplicate inherits its wear and gets sloppier with every generation. When we change locks, we cut original keys from the bitting on our machine, so every key you receive is as crisp as the first one.
• If you rent in Ontario, ask your landlord in writing before changing anything, and offer a copy of the new key. A short email creates a record. Most leases require consent, and California gives landlords a right to enter with notice, so a lock they can't open causes friction. Safety situations covered by Civil Code 1941.5 follow their own rules.
• Measure before you buy a new lock. Check the backset (door edge to the center of the big hole, usually 2-3/8 or 2-3/4 inches), the door's thickness, and whether the latch faceplate has rounded or square corners. Take a photo of the door edge with a tape measure across it. That photo prevents most hardware-store returns.
• Keep one spare key somewhere smarter than a planter, a fake rock or the ledge above the door. A trusted neighbor, a relative who lives nearby, or a code-protected key box whose code you change now and then all beat the obvious spots. Anyone walking a Edenglen street looking for an easy target knows where people hide keys.

Service in Ontario

Ontario is about 25 miles from our San Bernardino base, roughly 33 minutes in light traffic via I-215 North to the I-15 junction at Devore. When you call, you get an arrival estimate based on where the technician is and the traffic at that moment.

Commercial jobs on busy stretches like Euclid Avenue sometimes need a parking plan, especially for storefront doors or roll-up gates. Let us know about loading zones, red curbs or parking structures before we arrive.

About Ontario: Guasti began in 1904 as the company village of Secondo Guasti's Italian Vineyard Company, and its San Secondo d'Asti Church, completed in 1926, still holds services.

New or replacement locks in Ontario?

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.