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 Change Door Locks Across Paramount
Changing door locks in Paramount usually costs between $95 and $260 per door for a standard knob or deadbolt replacement, and most jobs are done the same day. That range covers the hardware, the labor, and a written price before we ever dispatch a technician. If you’re standing in a Paramount apartment or a stucco rental home right now wondering who to trust with your door, call (910) 714-4287 and a live person will answer.
We know Paramount differently than a dispatcher sitting in a call center somewhere. We know that most of the housing stock along Long Beach Boulevard and the side streets off Somerset was built between the late 1940s and the early 1970s. We know what original Kwikset knob sets feel like when the zinc internals have been chewing on coastal fog for fifty years. That matters when you’re deciding whether to repair, rekey, or replace.
Why Dunmore Locksmith Is Paramount’s Preferred Change Door Locks Company
Paramount has a very specific lock profile. The city is majority-renter, and the housing stock is almost entirely post-WWII stucco construction. That means the calls we get aren’t usually from a homeowner upgrading a modern deadbolt. They’re from property managers rekeying three units in a fourplex at once, tenants who just moved in and don’t trust who else has a key, and renters stuck outside a door the freeholder owns. We approach every one of those jobs with the same written-price discipline and the same care for the door itself, because in a rental, a damaged door is somebody else’s property and a damaged lock is a landlord’s headache.
Dunmore Locksmith is a Threshold Group member business, which means every technician we send to a Paramount address is background-checked, identity-verified, and sent to you by name and photo before the visit. They’ll arrive in a clean marked uniform and show a photo ID badge at the door. You’ll know exactly who is coming before you turn the handle. If anyone shows up who you weren’t told to expect, that visit is covered at no charge.
Key Takeaways:
- Changing a standard door lock in Paramount typically costs $95 to $260, depending on hardware and cylinder type.
- Every quote is written down before work starts. No exceptions. The price we quote is the price on the invoice.
- Every job carries the 365-Day Done Right Promise: if the repair fails, a second visit is free.
- Technicians are sent by name and photo before they arrive. You verify them at the door.
- Live-person phone coverage 24 hours a day, every day. No voicemail, no chatbot.
Lock Change in Paramount
Lock change in Paramount is the job most people think they need when they actually need a rekey, and it’s worth knowing the difference before you spend money. A full lock change means removing the existing lockset, knob, or deadbolt and installing new hardware. In Paramount’s older rental stock, that often means the original 1950s or 1960s Kwikset knob set is coming off and something with a proper deadbolt is going on. A standard lock change runs $95 to $180 for basic residential hardware, and $180 to $260 when the job involves a higher-security cylinder or a deadbolt retrofit on a door that never had one.
When a Paramount renter or property manager calls us for a lock change, we look at the door first. A tenant who just moved out means the lock itself is probably fine and the cylinder just needs rekeying. A landlord who’s fought with a stiff, gritty knob for years and finds the key finally won’t turn at all is looking at a hardware replacement. We’ll tell you which one you actually need, because changing the whole lockset when only the cylinder needed work doubles the cost and often leaves a mismatched footprint on a pre-1970s door that a future rekey will have to work around.
Hardware Replacement Without Door Damage
Older Paramount doors were framed and drilled for hardware that’s sized differently than modern sets. Pulling a 1960s Kwikset knob and forcing in a modern deadbolt can splinter the door edge or leave a gap that makes the new lock sit wrong. We match the existing bore, faceplate, and setback so the new hardware seats cleanly. No oversized holes, no shims, no door damage the landlord has to repair later.
Adding a Deadbolt to a Knob-Only Door
Many Paramount rentals still have knob-only entry, which is why we do so many retrofits here. The process means boring a second hole or replacing the knob set with a combined knob-and-deadbolt unit. On a solid stucco-entry door this is straightforward. On a hollow-core interior door, we’ll tell you honestly if the door itself is too flimsy to secure anything and recommend the right fix. You get a written price before we cut anything.
Change Lock Cylinder in Paramount
Change lock cylinder in Paramount is the highest-value fix for most of the calls we run in this city, especially for landlords and tenants in buildings where the doors still have their original hardware. The cylinder is the part your key slides into, and it’s the piece that wears out first. In Paramount’s fog-influenced climate, the zinc and pot-metal cylinders in those 1950s and 1960s locksets corrode gradually from marine-layer moisture, and eventually the pins stop moving freely. Changing just the cylinder costs $65 to $120 on most residential hardware, and it’s often done in under an hour.
We took a call from a property manager on Long Beach Boulevard who needed three units in a 1960s stucco fourplex rekeyed between tenants. The doors still had original Kwikset knob sets with no deadbolt, and the zinc internals had that gritty fog-corroded feel we see all over Paramount. We rekeyed the existing pin and tumbler cylinders instead of swapping hardware, then quoted retrofitting each unit with a keyed deadbolt for key control. Same-day turn, no doors damaged, and the units were rentable that evening. That’s the kind of job that defines our work in Paramount.
Cylinder Rekey Versus Cylinder Replacement
Rekeying means changing the internal pins so your old keys no longer work. It’s cheaper, usually $40 to $80 per cylinder, and it’s the right call when the cylinder still turns smoothly. If the key sticks, grinds, or won’t go in without wiggling, the cylinder itself is corroded or worn and needs replacing. We’ll tell you which one your door needs after looking at it, and we’ll quote the price before we start.
Why Paramount Landlords Change Cylinders Between Tenants
In a rental market like Paramount’s, changing cylinders between tenants is standard practice, and for good reason. Former tenants may have made copies. Family members, roommates, ex-partners, and neighbors might still have keys. A simple cylinder rekey costs one-third to one-half of a full lock change and gives the landlord complete key control. It’s the fastest way to make a vacant unit rentable again, and it’s the most common multi-unit call we run in this city.
Trusted Brands We Service in Paramount
We’re factory-authorized to install and service Kwikset, Medeco, and Baldwin hardware, among other lines. For Paramount’s older stock, we keep Kwikset cylinders and replacement parts on hand because that’s what most of these doors were built with, and we can usually match the existing keyway without ordering anything. For landlords and commercial properties along the Garfield Avenue and Somerset Boulevard industrial corridor who need real key control on restricted cylinders, Medeco and Baldwin systems are the standard. We’ll tell you which brand makes sense for your door, your budget, and your security needs, and every installation carries the 365-Day Done Right Promise in writing.
Common Change Door Locks Problems We See in Paramount Homes
- Original knob-only Kwikset sets with no deadbolt. These are everywhere in Paramount’s post-WWII stucco housing, and they’re the most common reason we’re called. A keyed knob is far easier to bypass than a deadbolt, and renters who want real security usually need a retrofit.
- Gritty, stiff, or frozen cylinders from coastal fog. Paramount sits roughly 12 miles inland, close enough to catch marine-layer moisture that slowly corrodes unlubricated zinc internals. When a key starts feeling gritty in the morning, that’s the corrosion building up, and it’s a warning that the cylinder is near failure.
- Drilled locks on rental doors. We regularly see doors in Paramount where a tenant or handyman drilled out an original knob set because a fog-corroded cylinder stiffened up. A rekey or cylinder replacement would have solved it for a fraction of the cost and kept the landlord’s door intact. The old metal internals in these original sets are tough, and drilling almost always damages the door edge or face.
- Key control headaches on multi-tenant buildings. Duplexes, fourplexes, and small apartment buildings along Long Beach Boulevard and the side streets off Somerset generate constant key control issues. Tenants copy keys at kiosks, restricted keys get duplicated, and property managers end up with no idea how many keys are floating around. A master-key system with copy-protected hardware is the fix, and it’s work we do regularly in Paramount.
Pricing for Change Door Locks in Paramount, CA
A standard knob or deadbolt lock change in Paramount runs $95 to $180 for basic residential hardware, and $180 to $260 when the job involves a higher-security cylinder, a brand-name lockset like Baldwin, or a retrofit on an older door. Changing just the cylinder runs $65 to $120. Rekeying, which is the cheaper alternative when the cylinder still works, runs $40 to $80 per lock. The single biggest factor in price is the age of the door and the hardware footprint: a 1960s Paramount door with original bore spacing can need more fitting than a newer installation.
Every quote is written before any work starts, and the price you’re quoted is the price on the invoice. We don’t add a call-out surcharge when the technician arrives, and we don’t quote a teaser figure that balloons after the door is apart. Call (910) 714-4287 for an exact quote on your specific door. Estimates are free.
| Service in Paramount | Typical Price Range | When It Makes Sense |
|---|---|---|
| Standard lock change (knob or deadbolt) | $95 – $180 | Hardware is worn, broken, or you want a deadbolt where none exists |
| Higher-security lock change | $180 – $260 | Medeco or Baldwin cylinder, commercial grade, or retrofit on older door |
| Cylinder replacement only | $65 – $120 | Key is sticky, gritty, or hard to turn; cylinder is corroded or worn |
| Rekey single cylinder | $40 – $80 | Cylinder works fine; you just want old keys eliminated |
For property managers rekeying multiple units in one visit, we quote per door, not per visit. If you have a building on Long Beach Boulevard, Somerset Boulevard, or anywhere else in Paramount with multiple vacant units, ask about scheduling them together. The per-door price stays the same, but the visit is more efficient for both of us.
We Also Serve Cities Near Paramount
Our Change Door Locks team serves the full Paramount area and runs calls into the neighboring cities every week. If you’re in Bellflower, Lynwood, Downey, or South Gate, we can usually get to you quickly from wherever our nearest technician is working. The same written pricing, the same named-technician arrival policy, and the same 365-Day Done Right Promise apply no matter which side of the city line you’re on.
Serving Paramount, CA - Our Local Coverage Area
We’re based in the Paramount 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 Change Door Locks in Paramount
Yes, in nearly every case we can retrofit a deadbolt onto a door with an original knob-only set without replacing the door itself. The job usually involves boring a second hole for the deadbolt or replacing the existing knob set with a combined knob-and-deadbolt unit, and it typically runs $150 to $260 depending on the door’s construction. Some hollow-core doors are too flimsy to secure anything, and if that’s what you have, we’ll tell you straight rather than sell you work that won’t hold. Call (910) 714-4287 and we’ll walk you through what your specific door needs.
Per door, always. There’s no per-visit fee and no call-out surcharge tacked on when the technician arrives. For a Paramount fourplex on Long Beach Boulevard with original Kwikset knob sets, rekeying typically runs $40 to $80 per cylinder, and doing three or four units in one visit is the most efficient way to handle turnover. The price is written before any work starts, and the same per-door rate applies whether it’s one unit or eight. Call (910) 714-4287 with the number of doors and we’ll give you a written quote.
That’s almost always corrosion inside the cylinder, and it’s a common problem in Paramount because of the marine-layer moisture that rolls inland from the coast. The older zinc and pot-metal internals in original 1950s and 1960s locksets collect that moisture, and over time the pins bind. A cylinder replacement runs $65 to $120 and fixes it permanently; ignoring it usually ends with a key snapping off in the door or a lock that won’t turn at all. If your key already feels gritty, call (910) 714-4287 before it fails completely.
Yes, and it’s work we do regularly for Paramount rental buildings and the commercial properties along Garfield Avenue and Somerset Boulevard. A master-key system means each unit gets its own key while a single building key or staff key opens all of them. The important part is the hardware: if you want real key control, the cylinders need to be restricted or copy-protected, which is why big-box kiosk keys are such a problem for apartment buildings here. We install and service Medeco and Baldwin restricted systems, and we’ll design a key schedule that matches your building’s access needs. Call (910) 714-4287 for a written scope and flat per-lock price.
Almost never. Drilling is a last resort, and we treat it that way because a drilled lock usually means door damage that the landlord pays for. In most Paramount apartments and rental homes, we can pick the cylinder or use a bypass method that gets the door open without harming the hardware or the door itself. If a lock has already been drilled or is too corroded to open, we’ll tell you before we drill and give you the replacement cost up front. For after-hours lockouts in Paramount, call (910) 714-4287 and a real person will answer, any hour of the day.
Need a lock changed in Paramount today? Call (910) 714-4287 and a live person will answer. You’ll get a written price before any work starts, a technician sent to you by name and photo, and a job covered by the 365-Day Done Right Promise. If it’s not done right, we make it right. That’s the deal on every door we touch in Paramount.
Written by Perry Osgood, Owner at Dunmore Locksmith, serving Paramount and the surrounding Los Angeles County communities.






