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Wilshire Lock & Key

24/7 locksmith · Rolling Hills, CA

Deadbolt Installation in Rolling Hills, CA

Wilshire Lock & Key installs and replaces single and double-cylinder deadbolts across Rolling Hills, 24 hours a day, seven days a week. We fit, align and test each one on your door, whether it's the main entry, a side door or an outbuilding. Call (213) 577-1366 to talk it through.

  • 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

What does deadbolt installation involve on a Rolling Hills home?

A deadbolt is the part of your door that actually resists force. The knob or lever lock on most doors is built for convenience and will latch the door shut, but a deadbolt throws a solid steel bolt deep into the door frame, and that bolt is what keeps a door from being kicked or pried open easily. Installing one properly is not just drilling a hole and screwing in a lock. The hardware, the door, the strike plate and the frame all have to work as a single system.

In Rolling Hills, most of the work we do on this subject falls into a few familiar situations. A homeowner has an entry door with only a knob lock and wants real security on it. A deadbolt is worn, sticking or loose and needs to be swapped out. A family has taken over a property and wants every exterior door to have the same, known hardware. Or someone has a barn, tack room or workshop door that has never had anything better than a hasp and wants a proper keyed lock.

Our job is to look at the door in front of us, tell you plainly what it can take, and install the deadbolt so it throws smoothly every time. If the door or frame can't support a good deadbolt as it stands, we say so and explain what would need to change, rather than bolting a strong lock into a weak door and calling it done.

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

The two types you will hear about most are single-cylinder and double-cylinder deadbolts. The difference is simple, and the right choice depends on the door, not on which sounds more secure.

A single-cylinder deadbolt has a keyway on the outside and a thumb-turn on the inside. You unlock it from inside by hand, with no key. It is the standard choice for most entry doors, because anyone in the house can get out quickly without hunting for a key.

A double-cylinder deadbolt has a keyway on both sides. You need a key to open it from the inside as well as the outside. The usual reason to choose one is a door with glass in it or right beside it, where someone could break the glass, reach through and turn a thumb-turn. With a key-both-sides lock, that reach-through no longer works.

  • Choose single-cylinder when the door is solid, there is no glass within arm's reach of the interior thumb-turn, and you want the easiest, fastest exit in an emergency.
  • Consider double-cylinder when there is glass or a sidelight close to the lock and break-in through the glass is your main worry.
  • Think carefully about double-cylinder on any door that is a primary way out of the house. In a fire or other emergency, a locked door that needs a key is a real hazard, and some building and fire rules limit their use in certain settings. If you choose one, the interior key should live somewhere everyone in the household knows about and can reach quickly.
  • For outbuildings, barns and tack rooms where nobody sleeps, a double-cylinder deadbolt carries far less of that exit concern, but we still talk through who needs access and how.

Locked out or need a locksmith now?

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

Call (213) 577-1366

How we handle a deadbolt installation, step by step

Whether it is a first-time install or a replacement, we follow the same sequence. It takes the guesswork out of the job and is the reason the finished lock works smoothly rather than just looking right.

  1. You call (213) 577-1366. We answer at any hour, and we ask what door it is, what material it is made of, whether it already has a bore hole, and whether there is glass nearby. That tells us what to bring.
  2. We look at the door and frame on arrival. We check the thickness of the door, the condition of the wood or metal, how the door sits in the frame, and whether the existing latch and strike are lined up.
  3. We talk through the lock type with you: single or double cylinder, the hardware grade that suits the door, the finish, and whether you want it keyed to match other locks on the property.
  4. We mark and prepare the door. If the door already has the standard holes, we work with them. If not, we drill them with proper tooling so the cross bore and the edge bore meet cleanly and the door isn't split or weakened.
  5. We fit the deadbolt and set the strike plate into the frame. The bolt must travel straight into the frame with no rubbing or forcing. Where we can, we use longer screws that reach into the framing, not just the thin door jamb.
  6. We test it repeatedly with the door open, partly closed and fully closed, from both sides, and with the keys you will use every day. We adjust until the bolt throws freely without lifting or pushing the door.
  7. We hand over the keys, explain how the lock is meant to be used, and flag anything about the door or frame that you may want to deal with later.

Deadbolt replacement: when swapping is better than adding

Plenty of calls are really about deadbolt replacement rather than a fresh installation. The reasons are usually practical. The key turns hard or sticks. The bolt doesn't fully extend. The thumb-turn spins loosely. The lock has been rattled by years of use, or the finish has worn through. Sometimes a lock looks fine but nobody knows how many copies of the key are out there.

If the lock itself is sound and your only concern is who holds keys, the lighter-cost fix is often a rekey rather than new hardware. We cover that under lock rekeying, and it changes the internal pins so old keys stop working while the existing lock stays in place. If the hardware is worn, damaged or simply not a type you want to keep, a swap makes more sense, and our lock replacement page covers that broader work.

The deciding factor is the condition of the lock and what you want from it. We will tell you honestly which route makes sense. A lock that only needs a rekey should not be replaced, and a failing one should not be patched to keep a job small.

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 Rolling Hills?

We do not quote numbers on a web page, because the real price depends on the door in front of us. What we can do is explain what moves it up or down, so nothing about the quote surprises you.

The factors that matter most are listed below. Once we know the door and what you want, we can give you a clear figure before work starts.

  • New install versus replacement. A replacement into existing holes is usually the more economical route. A first-time install means drilling the door and preparing the edge and the frame.
  • Door material and condition. Solid wood, metal, and doors that have been bent or warped by years of sun all behave differently, and a door that needs correction before the lock will sit right adds time.
  • Hardware grade. Standard residential deadbolts, heavier-duty models and high-security cylinders are priced differently. Our high-security lock page explains the step-up options.
  • Single or double cylinder. Double-cylinder hardware can differ in cost and, on some doors, in how it fits.
  • Number of doors. Doing several doors on the same visit, and keying them alike, is generally more efficient than coming back repeatedly.
  • Frame work. If the strike area needs reinforcement, or the door doesn't line up with its frame, that adds labor.
  • Keying. Matching new locks to existing keys, or keying several alike, takes extra steps.
  • When you call. Service outside normal daytime hours, or a very urgent job, can change the arrangement. We explain this when you phone, not after.

Deadbolt installation in Rolling Hills: ranch homes, outbuildings and gated access

Rolling Hills is an entirely gated private city of large-lot equestrian estates, with community design rules that keep homes low-profile, single-story ranch style. There are no apartments or commercial buildings inside the gates. That shapes the work in a few ways that matter for deadbolts.

Start with the houses themselves. Single-story ranch homes usually have several exterior doors at ground level: a front entry, doors off a patio or yard, and often a door from a garage or laundry area. Each one is a way in, and each deserves proper hardware. We see the sense in standardizing them, so all the exterior doors get the same grade of deadbolt and, where you prefer, one key operates them all. Homes along the Portuguese Bend Road corridor, in the Crest Road East area and in the Eastfield Drive area differ in age and style, but the question is always the same: what is on each door, and does it match what you want to protect?

Then there are the outbuildings. Properties here commonly include barns, tack rooms and other outbuildings, and those doors are often an afterthought, with a simple latch or an old padlock hasp. A keyed deadbolt on a tack room door is a sensible upgrade, and we can key it to match the house or keep it separate if you want ranch staff to have access to the outbuildings and not the home. For gates, which are a different animal, see our gate lock repair page.

Climate is a quiet factor. Ridgeline and canyon lots take ocean fog and salt-tinged breezes on south-facing slopes, and the strong sun can fade and warp wood doors and gates. The effect on hardware is modest but steady, especially given how much exterior hardware a large property carries. For deadbolts, the practical result is that a wood door which has shifted slightly over the years may no longer meet its strike plate cleanly. Part of our installation is correcting that alignment, not forcing the bolt into a frame that has moved.

Access is the last local detail. Service on these properties is coordinated through guard-gate vendor access, so it helps to let the gate know we are coming, and to tell us which gate serves your road: the Main Gate at Portuguese Bend Road, the Crest Road East gate or the Eastfield Drive gate. We are about 27 miles from our Westwood base, and we travel to Rolling Hills in our mobile vans, which is the heart of our mobile locksmith service. If you are on the 90274 side of the area, or just across from Rolling Hills Estates or Rancho Palos Verdes, tell us when you call and we will sort out the route.

Locked out or need a locksmith now?

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

Call (213) 577-1366

What about smart deadbolts and other upgrades?

Many people ask whether to install a conventional keyed deadbolt or a keypad or app-controlled model. Both are legitimate choices, and the right one depends on how you live. A traditional keyed deadbolt has few parts that can fail, needs no batteries and works the same way every day. An electronic model adds convenience, such as codes for staff, family or a house sitter, at the cost of batteries and a bit more to maintain.

This page covers conventional single and double-cylinder deadbolts. If you are leaning toward an electronic lock, our smart lock installation page goes into it properly. For a broader look at fitting any lock type to a door, see lock installation.

Whichever way you go, the door preparation is the same, and the door still has to be solid and aligned. A smart lock on a warped door will give you the same trouble a basic one does.

Why call Wilshire Lock & Key

We have been in business since 1987, and we serve 140 cities across Los Angeles and Ventura counties, including Rolling Hills. We work from a storefront at 10740 Wilshire Blvd in Westwood and send out mobile service vans, so there is a real shop behind the phone number.

When you call (213) 577-1366, you reach us directly, any hour, any day of the year. We are one company, not a dispatch service that passes your job to whoever is free. David, the owner and lead technician, oversees the work, and that matters on a job like this, where small details of fit decide whether a deadbolt works for years or sticks within a season.

We also try to be straightforward about what you need. If your existing lock is fine and a rekey will do, we say that. If a door needs repair before it can hold a deadbolt, we say that too. And if you are locked out or have a break-in situation, our emergency locksmith service is the quickest way to get help.

How to check any locksmith before you let them work on your doors

California requires locksmith companies to hold a BSIS LCO license, issued through the Bureau of Security and Investigative Services. Whoever you hire, ask for their license number and check it. This is especially worth doing for work on entry doors, since the person you hire will often leave with keys or knowledge of your home's security.

Ask who will actually come to the property, what the quote covers, and whether the price changes if the door turns out to be harder than expected. Be wary of anyone who won't explain the work before starting. A reputable locksmith explains what they are going to do and why.

Frequently asked questions

How long does a deadbolt installation take?

It depends on the door. A replacement into existing holes is usually quick. A first-time install into a door that has never had a deadbolt takes longer because the door has to be bored and the frame prepared. If the door needs correction first, expect extra time. We give you a realistic idea when you call and a firmer one once we see the door.

Should I get a single-cylinder or double-cylinder deadbolt?

For most entry doors, single-cylinder is the better choice because you can exit quickly without a key. Double-cylinder makes sense when there is glass near the lock and you are worried about someone breaking it and reaching in. It also suits some outbuilding doors. On any door people rely on to leave the house in an emergency, think hard before using one.

Is double cylinder deadbolt installation allowed on a home?

Rules about key-operated-from-inside locks vary by situation and local requirements, and they are a safety concern in emergencies. We can't give you a legal ruling, but we will discuss the trade-offs, and we suggest checking requirements that apply to your property. If you choose one, keep the interior key within easy reach.

Can you replace my old deadbolt with a new one?

Yes. Deadbolt replacement is a regular part of our work. If the lock is simply worn or you want a different grade, we swap it. If you only want to stop old keys from working, a rekey may be the more economical route, and we will tell you if that is the case.

My wood door has warped in the sun and the bolt won't line up. Can that be fixed?

Often, yes. Strong sun on a south-facing slope can shift wood doors and gates over time. Depending on how far the door has moved, we can adjust or reposition the strike plate, or correct the bore. If the door is badly distorted, we will say so and explain what would be needed for the lock to work reliably.

Can you put a deadbolt on a barn or tack room door?

Yes. These doors are common on Rolling Hills properties and often have only a basic latch. We can fit a keyed deadbolt and key it separately from the house or to match it, depending on who needs access. The door's thickness and material decide which hardware will fit.

How do you get into Rolling Hills for a job?

Service is coordinated through guard-gate vendor access. Tell us which gate serves your road, whether the Main Gate at Portuguese Bend Road, the Crest Road East gate or the Eastfield Drive gate, and let the gate know to expect us. We are in the area as a mobile service, working from our Westwood base.

Will a deadbolt make my door more secure on its own?

Only if the door and frame can support it. A strong bolt in a weak frame will fail where the wood is thinnest. That is why we check the door, the strike plate and the frame, and why we may recommend longer screws or frame reinforcement. For stronger cylinders, see our high-security options.

Can I key all my new deadbolts alike?

Usually, yes. Keying several locks alike lets one key work on every exterior door. You can also keep outbuildings on a separate key if you prefer. Tell us how you want it set up when you call, and we will plan the hardware around it.

What should I do if I'm locked out and also need a new deadbolt?

Call (213) 577-1366 at any hour. We can deal with the lockout first and then talk about the deadbolt once you are inside. If you can't safely secure the home afterward, we can install new hardware on the same visit.

More locksmith help in Rolling Hills

Deadbolt Installation near Rolling Hills

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

Last updated 2026-10-11.

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

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