Door Knob & Deadbolt Installation
Whether you just moved into a Silver Lake bungalow, upgraded to a mid-century modern in Los Feliz, or manage a multi-unit building near the Wilshire corridor, the hardware securing your door is the first and most critical line of defense between your family or business and the outside world. A door knob lock that is worn, outdated, or improperly installed is not a minor inconvenience — it is an open invitation. Los Angeles Locksmith Pros deploys trained, insured mobile technicians across the entire Los Angeles area around the clock, so professional door knob and deadbolt installation comes to your address, not the other way around.
Open 24 hours, 7 days a week · Licensed, bonded & insured
From a basic door knob with lock and key swap to a full mortise lock upgrade or a smart lock door knob integration, our team handles every level of residential and commercial hardware. We assess your door and frame before recommending the right solution, provide an exact up-front price confirmed before any work begins, and complete every installation with damage-free techniques wherever the door and frame allow. If you need us at 2 a.m. after a break-in attempt in Echo Park or at noon for a tenant changeover in Koreatown, the answer is always the same — we are available 24/7 and we are already on the way.
What we do
Available 24/7
Day, night, weekends and holidays — a real local locksmith answers and rolls a fully-stocked van.
Fast local response
Based in Los Angeles, we reach the Los Angeles area in well under an hour.
Insured & background-checked
Vetted technicians, up-front pricing, and no surprise add-ons when we arrive.
Damage-free entry
We pick and bypass locks the right way, so most lockouts are solved without drilling anything.
More about our work
Everything you need to know about how we help — at a glance.
Why Door Knob Lock and Deadbolt Installation Is Never a DIY Gamble
A door knob lock looks simple from the outside, but proper installation depends on precise bore alignment, strike-plate depth, and backset measurement. Get any one of those wrong and the latch does not seat fully, the deadbolt throws short, or the door frame splinters under lateral pressure — the exact conditions that make forced entry trivially easy. Los Angeles building stock is notoriously varied: 1920s craftsman doors in Highland Park use different bore standards than 1970s hollow-core apartment doors in Palms or modern steel-clad commercial entries on West Olympic Boulevard. Our experienced technicians know these differences by feel and measure, not guesswork.
Beyond alignment, there is the question of grade. ANSI/BHMA grades categorize lock hardware by cycles of use and resistance to force. A Grade 3 door knob with lock might be perfectly fine for a low-traffic interior bedroom, while a Grade 1 commercial-duty mortise lock is the correct choice for a storefront or lobby door that swings hundreds of times a day. We help you match the hardware grade to the actual demand of the door so you are not overpaying for a bedroom and not underpreparing a front entry. Every recommendation is based on your specific door, your specific building, and your specific Los Angeles neighborhood.
Door Knob & Deadbolt Installation: What the Service Actually Covers
Our door knob and deadbolt installation service spans a wide range of hardware types and scenarios. On the residential side, we install and upgrade standard keyed entry knobs, privacy knobs for bathrooms and bedrooms, passage knobs for interior doors, double lock door knob sets that combine a rotating knob with an integrated deadlatch for added resistance, and single- or double-cylinder deadbolts. We also install keypad lock door knob assemblies for keyless entry and smart lock door knob systems that connect to Wi-Fi or Bluetooth, allowing remote access management from your phone. For properties with older door prep, we handle mortise lock installation — a deeper, more fortified lock format recessed into the door edge that is standard on many historic Los Angeles commercial properties and high-end residential entries.
On the commercial side, we work with property managers, small business owners, and building supervisors across Los Angeles to install Grade 1 cylindrical locksets, mortise lock bodies with interchangeable cores, panic hardware, and access-controlled entry systems. Our commercial locksmith capabilities mean we can handle multi-door projects, master-key system integration, and ADA-compliant lever hardware alongside traditional knob formats. Whether the job is a single apartment door or a full office suite on Figueroa, our mobile units carry the tools and hardware inventory to complete most installations in a single visit.
The Full Service List: Everything We Install and Upgrade
To give you a clear picture of scope, here is what our trained technicians handle on door knob, deadbolt, and related hardware calls: keyed entry door knob installation, privacy door knob installation, passage door knob installation, dummy knob installation for non-latching decorative use, single-cylinder deadbolt installation, double-cylinder deadbolt installation, mortise lock installation and replacement, mortise lock cylinder re-keying, Grade 1 commercial cylindrical lock installation, Grade 2 residential heavy-duty lock installation, keypad lock door knob setup and programming, smart lock door knob installation and app pairing, Bluetooth and Wi-Fi lock integration, lever-handle lockset installation, door knob with lock for bedroom privacy upgrade, double lock door knob combo-set installation, strike plate reinforcement and upgrade, door frame repair and jamb reinforcement prior to lock installation, lock re-keying after tenant turnover, master-key system design and implementation, interchangeable-core commercial lock installation, panic bar and exit device installation, ADA-compliant lever conversion from knob hardware, lock-grade assessment and security audit, and emergency lock replacement following a break-in or attempted forced entry. That list covers the most common scenarios, but if your situation falls outside it, call (818) 875-9120 and a live team member will walk you through options immediately — we answer 24/7.
Mortise Lock and Emergency Locksmith: When Security Cannot Wait
A mortise lock is the most structurally robust lock format available for hinged doors. Unlike a cylindrical bored lock that sits in a round hole drilled through the door, a mortise lock body is recessed into a rectangular pocket cut into the door edge, distributing force across a much larger surface area. For Los Angeles commercial properties — think boutique retail on Melrose, law offices near downtown's Bunker Hill, or medical suites in Culver City — mortise lock installation is often the difference between a door that holds under pressure and one that does not. Our technicians are experienced in the full mortise lock workflow: pocket routing or enlargement, body fitting, cylinder installation, and trim alignment, all executed without damaging surrounding door material.
Emergency locksmith calls are a reality for Los Angeles residents and business owners. A door knob lock that fails at midnight, a deadbolt that seizes after a break-in attempt, or a smart lock door knob that loses power during a California heat event are all situations that cannot wait until Monday morning. As a 24/7 mobile emergency locksmith team, we respond across Los Angeles at any hour — from the beach communities of Venice and Santa Monica to the east side corridors of Boyle Heights and El Sereno. When you call our emergency line at (818) 875-9120, you reach a live dispatcher, not a voicemail, and a technician is routed to your location immediately. We verify ownership or occupancy as part of our standard process — it protects you as much as it protects the broader community.
How Much Does a Locksmith Cost in Los Angeles? Understanding Your Quote
One of the most common questions we receive is: how much does a locksmith cost in Los Angeles, and what determines that number? The honest answer is that several factors combine to produce your final price, and that is exactly why we confirm an exact up-front quote before any work begins — no surprises on the invoice. The factors that shape cost include the type and grade of hardware being installed (a standard keyed door knob with lock differs significantly from a mortise lock body with a high-security cylinder), the condition of the existing door prep (a door that needs frame reinforcement or bore modification before installation takes more time), the time of day (after-hours and emergency calls involve different logistics than standard daytime appointments), and travel distance within the Los Angeles service area.
People also often ask: is it cheaper to replace locks or rekey? Rekeying changes the internal pin configuration so that old keys no longer work, and it is generally the more cost-effective option when the existing hardware is in good mechanical condition and the correct grade for the door. Lock replacement — installing an entirely new door knob lock or deadbolt — is the right call when hardware is worn, damaged, a lower grade than the door demands, or when you want to upgrade to a keypad lock door knob or smart lock door knob format that the old prep cannot accommodate. We walk through both options with every client before recommending one, because our goal is the right solution for your door, not the most expensive one.
How to Verify You Are Working With a Legitimate Locksmith Team
A reasonable question anyone should ask is: how do I know if a locksmith is legit? In Los Angeles, where scam locksmith operations do exist, a few checks protect you. A legitimate locksmith team arrives in a marked or identified vehicle, provides a name and verifiable contact number before beginning work, quotes a price before touching the door, and does not demand cash-only payment under pressure after the job. Our technicians carry identification, operate under a consistent business name and phone number — (818) 875-9120 — and will always confirm ownership or right of access before proceeding with any work. We are insured, and we stand behind every installation with a workmanship commitment.
Some clients also ask what a master locksmith is. The term refers to a locksmith with advanced training across multiple lock types, key systems, and security disciplines — someone who can handle not just a door knob with lock installation but also master-key system design, mortise lock fitting, high-security cylinder work, and access control integration. Our senior technicians operate at that level, which is why we are equipped to handle both a quick bedroom door knob with lock for bedroom privacy and a complex commercial mortise lock system on the same day, in the same mobile unit, without subcontracting or delay.
Frequently asked questions
How much should an emergency locksmith cost in Los Angeles?
There is no single flat answer because the final price depends on several real factors: the type of lock work needed (a door knob lock swap versus a mortise lock installation carry different complexity), the time of day, how far our nearest technician is from your location, and whether replacement parts are required. What we can tell you is that we confirm an exact price with you before any work begins, so you always know the full cost up front. Call (818) 875-9120 any time — we are available 24/7 and a real person will answer.
Is it cheaper to replace a door knob lock or rekey it?
Rekeying is typically the lower-cost option when the existing lock is in solid mechanical condition and the right grade for the door. It changes the internal pin stack so old keys no longer operate the lock without replacing the hardware itself. Replacement makes more sense when the door knob lock is worn, the wrong grade, damaged, or when you want to upgrade to a keypad lock door knob or smart lock door knob format. Our technicians assess both options and explain the trade-offs before recommending anything.
Can you install a smart lock door knob or keypad lock on any door?
Most standard residential and light commercial doors can accept a smart lock door knob or keypad lock door knob, but the existing bore size, backset, and door thickness all need to be compatible with the chosen hardware. Some older Los Angeles doors — particularly craftsman-era entries or steel commercial doors — may need bore modification or a different hardware format entirely, like a mortise lock with an electronic cylinder. Our technicians measure and assess before installation to confirm fit, and we carry a range of compatible hardware in our mobile units.
What is the difference between a double lock door knob and a standard keyed knob?
A standard keyed entry door knob with lock uses a single latch mechanism controlled by a key outside and a turn-button or thumb-turn inside. A double lock door knob set pairs that rotating knob with an integrated secondary deadlatch or a separate lock cylinder in the knob housing, providing two independent locking points within a single knob assembly. It is not the same as a full deadbolt, but it adds a meaningful layer of resistance compared to a single-point knob alone. For higher security, we recommend pairing any knob set with a separate single- or double-cylinder deadbolt above it.
How do I know if a locksmith is legitimate before letting them work on my door?
A legitimate locksmith will identify themselves by name and company before starting, provide a written or verbal quote before touching the lock, and not pressure you into cash-only payment after the work is done. They will also verify that you have the right to access the property — this is standard practice, not an intrusion. Our team at Los Angeles Locksmith Pros always arrives identified, confirms the price up front, and carries out ownership verification as part of every call. If you are ever unsure, you can call our main line at (818) 875-9120 to confirm a technician's dispatch before opening the door.
Do you install mortise locks on residential doors, or only commercial properties?
We install mortise locks on both residential and commercial doors across Los Angeles. While mortise lock installation is most common in commercial settings — storefronts, office lobbies, multi-tenant buildings — many high-end residential properties, historic homes, and security-conscious homeowners choose mortise lock hardware for its superior resistance to forced entry. If your door's edge prep can accommodate a mortise pocket, or if we can modify it safely, we will walk you through the option as part of your security assessment.