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Wilshire Lock & Key

24/7 locksmith · Athens, CA

Deadbolt Installation in Athens, CA

Wilshire Lock & Key installs and replaces single and double-cylinder deadbolts in Athens, CA, with the door bored, the latch fitted, and the strike aligned so it throws freely. Our line, (213) 577-1366, is answered 24 hours a day, seven days a week, every day of the year.

  • Since 1987
  • Westwood storefront + mobile vans
  • A person answers, day or night
New deadbolt with the bolt thrown, fitted flush in a wooden door edge

Why does a deadbolt matter on an older Athens home?

Most of the doors we see in Athens were hung decades ago, and the hardware on them is often just as old. A spring latch in a knob, the kind that came standard on a lot of 1930s-to-1950s bungalows, holds a door shut, but it was never built to resist a shoulder, a pry bar, or a credit card slid into the gap. A deadbolt is different. Its bolt is a solid piece of metal moved by a key or thumbturn, not a spring, so it does not slip back when someone leans on the door.

That is the whole reason to install one: it adds a second, separate point of resistance. It is not magic, though. A deadbolt is only as good as the door, the frame, and the strike plate around it, which is why we treat deadbolt installation as a fitting job and not a part swap. A strong bolt screwed into a soft, split frame is still a weak door.

If you are reading this because you are standing outside right now, that is a different job. Our house lockout service gets you inside first, and we can talk about the deadbolt once you are through the door.

Single-cylinder or double-cylinder: which deadbolt fits your door?

A single-cylinder deadbolt takes a key on the outside and has a thumbturn on the inside. It is what most homes should have. Anyone inside can open the door in a few seconds without hunting for a key, which matters a great deal in a fire or any other emergency.

A double-cylinder deadbolt takes a key on both sides. People ask for double cylinder deadbolt installation when there is glass within arm's reach of the lock: a sidelight beside the door, a window set into the door, or a decorative glass panel. With a thumbturn, someone could break the glass, reach through, and turn it. With a keyed inside cylinder, they cannot.

The tradeoff is real, and we will be straight about it. If the inside key is not where you can grab it in the dark, a double-cylinder lock can trap you in your own home. Some building, fire, and landlord rules restrict keyed-both-sides locks, especially on rentals and on doors that serve as a way out. We cannot rule on your specific building, so check with your landlord or the local building authority, and we will talk it through with you before we install anything.

  • Single cylinder: key outside, thumbturn inside. Best for most doors and the easiest exit in an emergency.
  • Double cylinder: key on both sides. Makes sense only when glass sits close enough to reach through, and only where local rules and your own safety plan allow it.
  • If you do use a double cylinder, keep the inside key in a consistent spot near the door but out of reach from any glass.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

How do we install a deadbolt, step by step?

Here is how a standard deadbolt installation goes when one of our technicians arrives. The order matters, because most deadbolts that bind or fail early were fitted out of square.

  1. Look over the door and frame first: thickness, material, whether there is already a bore hole, the condition of the edge, and how solid the jamb is behind the trim. If there is a security screen door in front, we check how it swings so it will not hit the new hardware.
  2. Pick the right deadbolt with you: single or double cylinder, finish, the hardware grade you want, and the correct backset (the distance from the door edge to the center of the bore) for your door.
  3. Mark and bore the door. On a door with no deadbolt hole, we drill the large face hole and the smaller edge hole using a jig so both are square to each other. Where a hole already exists, we check its size and fit the lock to it instead of enlarging it.
  4. Fit the latch into the door edge and cut the edge plate in flush, so the door closes without catching.
  5. Install the strike plate in the jamb, with the pocket cut to the bolt, and drive long screws that bite into the framing behind the jamb, not just the thin trim wood. This step does more for real security than almost anything else.
  6. Mount the outside cylinder and the inside thumbturn or second cylinder, connect them through the door, and tighten them without pinching the mechanism.
  7. Test it repeatedly with the door open and closed. The bolt should extend fully and retract smoothly with no lifting, pushing, or pulling on the door. We adjust until it does, then hand over your keys and show you how it operates.

When is deadbolt replacement the better move?

Deadbolt replacement is a different call than a first-time install, and it is usually quicker because the holes are already there. We recommend replacement when the bolt drags or hangs up, the cylinder is loose in the door, the key turns roughly or sticks, the lock was damaged in a break-in attempt, or you have inherited a mix of mismatched hardware from several owners.

Older doors can make this less simple than it sounds. Holes cut decades ago do not always match modern lock sizes, and edges get chewed up over years of use. We can often use the existing bore, and where we cannot, we will tell you what needs repair before the new bolt goes in.

One thing we check before replacing anything: damp winter mornings can swell older wood doors in this area, and a bolt that sticks only in the morning may be a door problem, not a lock problem. Swapping a good lock will not fix a swollen door, and we would rather diagnose it than sell you hardware you do not need.

And if the lock itself works fine but you are worried about who has keys, rekeying the lock is usually the more economical route. It changes what key operates the existing deadbolt without replacing the hardware.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

What affects the cost of deadbolt installation in Athens?

We do not publish flat numbers here, because two deadbolt jobs that look alike from the street can be very different once the door is open. These are the things that actually move the cost:

  • Single or double cylinder. Double-cylinder hardware is a different build, and the fitting is a little more involved.
  • Hardware grade and finish. A basic residential deadbolt and a heavier, higher-security model are not the same product, and the cost follows the build quality.
  • New bore versus replacement. Cutting fresh holes in a bare door takes more time than swapping into an existing, correctly sized bore.
  • Door material and condition. Solid wood, hollow-core, metal, and a swollen or warped door each fit differently, and a damaged edge may need repair first.
  • Frame and strike reinforcement. If the jamb is split or soft, we will recommend fixing it, because the lock cannot do its job otherwise.
  • Number of doors. Doing the front, back, and side doors in one visit is usually more efficient than three separate trips.
  • When and where you call. After-hours and holiday service and your location in the county can factor in.
  • We will tell you what the job involves and what is driving the cost before we start drilling, so there are no surprises when we are finished.

What does deadbolt installation look like around Athens?

Athens is mostly 1930s-to-1950s single-family bungalows and small stucco homes on modest lots, with pockets of postwar houses near the Chester Washington Golf Course. In Athens on the Hill and across the 90044 and 90047 ZIP codes, a lot of those homes still carry dated locksets that were fine in their day and are now the weak point of the house. A first deadbolt on a front door is the most common upgrade we do for this kind of home.

Security screen doors and window bars are common here, and that shapes the work. A deadbolt on the main door has to clear the screen door's swing and handle, and the screen door's own lock is not a substitute for a solid bolt on the door behind it. Security screen door and deadbolt upgrades often go together, so we look at both at the same time and make sure each one works without fighting the other.

Along the Vermont Avenue corridor and the major east-west boulevards, small apartment buildings have their own deadbolt needs. Tenants who have been locked out, or who have moved into a unit with unknown keys, often want a properly aligned deadbolt on the unit door. If you manage rental units, we have a page on locksmith service for landlords that covers how we work with property owners.

We also serve the neighborhoods and corridors nearby, including the El Segundo Boulevard, Imperial Highway, and Normandie Avenue corridors, and areas near Hollypark (Gardena) and near Westmont. For shop doors along El Segundo Boulevard and Imperial Highway, that is storefront work and a separate service, so see our page on storefront lock repair.

On the climate side, salt-air corrosion is minimal here, so finish choice is mostly about how the hardware looks against your door. Damp winter mornings are the factor to plan for, since they can swell older wood doors and make a poorly aligned bolt bind. We set the fit with that in mind, so the bolt has room to move through the seasons.

Locked out or need a locksmith now?

We answer around the clock, every day of the year.

Call (213) 577-1366

Why call Wilshire Lock & Key for a deadbolt?

We have been in business since 1987, and David, the owner and lead technician, oversees the work. That means a deadbolt job is held to one standard of fit and finish, whether it is a quick replacement or a full new bore in an old door.

We run a storefront at 10740 Wilshire Blvd in Westwood and mobile service vans that cover 140 cities across Los Angeles and Ventura counties. Athens is about 15 miles from our base, and our mobile locksmith service brings the tools and stock to your door. You are dealing with one company from the first call to the finished job, not a dispatch middleman who hands your address to a stranger.

Our phone line, (213) 577-1366, is answered 24 hours a day, 7 days a week, year-round. A deadbolt installation is often a planned job, but not always. After a break-in or a lost set of keys, you may want a solid lock on the door tonight, and we are set up for that.

What should you ask any locksmith before they start?

California requires locksmith companies to hold a license from the Bureau of Security and Investigative Services, known as a BSIS LCO license. Ask any locksmith for it before they do work at your home, and check it yourself on the state's lookup if you want to be sure. A legitimate company will not mind the question.

A few other things are worth asking and worth knowing:

  • Which hardware grade are they installing, and what is the strike plate secured with?
  • Will they check the frame, or just the lock?
  • Is the cost explained before work starts, including anything that could change it?
  • Do they put the new keys in your hand and show you how the lock operates?
  • Before we arrive, it helps to clear the area around the door, open the security screen door if you have one, and tell us if the door sticks in damp weather.

Is a standard deadbolt your only option?

No. If your concern is pick or drill resistance, our page on high-security locks explains the heavier options and what they actually protect against. If you want keyless entry or app-based access, see smart lock installation. Those are separate jobs with their own considerations, including power, door prep, and how the lock behaves when a battery runs low.

If you are changing hardware on every exterior door at once, whether after a move or because you do not know who has keys, the change locks service page explains how we handle a whole-house job. Whatever you choose, we will tell you plainly what is worth doing and what is not.

Frequently asked questions

Can you install a deadbolt on a door that does not have one?

Yes. We bore the face and edge holes square to each other, fit the latch and strike, and reinforce the jamb with long screws. We check door thickness and condition first, since a damaged or very thin door may need repair before a deadbolt can be fitted properly.

Should I get a single or double-cylinder deadbolt?

For most doors, single cylinder is the better choice because anyone inside can open it quickly in an emergency. Double cylinder makes sense mainly when glass is within arm's reach of the lock, and some codes and landlords restrict it. We will go over it with you first.

Is double cylinder deadbolt installation legal in rentals?

It depends on local building and fire rules and on your lease. We cannot give a legal ruling for your building. Check with your landlord or the local building authority, and we will help you choose a setup that fits what they allow.

How is deadbolt replacement different from a first-time installation?

Replacement usually goes faster because the holes already exist. We confirm they are the right size and that the edge and strike are in good shape. A first-time install means boring new holes and cutting in the latch and strike.

My deadbolt sticks on damp mornings. Does it need replacing?

Not necessarily. Damp winter mornings can swell older wood doors in this area, and the door may be binding on the bolt. We look at the door, frame, and alignment first, and only recommend replacement if the lock itself is the problem.

Do I need a new lock, or just new keys?

If the deadbolt works smoothly and you just need different keys, rekeying is usually the more economical route. If it is worn, damaged, or the wrong type for the door, replacement makes more sense. We will tell you which applies.

Will a deadbolt fit with my security screen door?

Usually yes, but we check clearance first. The screen door's handle and swing have to clear the deadbolt, and we set the position so both operate without interfering. Many Athens homes have screen doors, so we plan for it on every install.

Can you install deadbolts on multiple doors in one visit?

Yes. Many people do the front, back, and side doors together. We can also match the keys so one key works across all of them, which saves carrying a ring of different keys.

Do you come out at night or on weekends?

Yes. Our line at (213) 577-1366 is answered 24 hours a day, 7 days a week, all year. If you need a deadbolt fitted after a break-in or on a holiday, call and we will arrange it.

More locksmith help in Athens

Deadbolt Installation near Athens

Reviewed by David, Owner & Lead Technician, Wilshire Lock & Key — in the locksmith trade since 1987.

Last updated 2026-10-11.

Ready for deadbolt installation in Athens?

We answer around the clock, every day of the year.

Call (213) 577-1366
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