Mortise Locks
Upgrade or replace mortise locks on metal and wooden doors. Ideal for older properties and commercial doors needing strong, long-lasting hardware.
Fast, friendly mobile locksmiths for homes, offices, and mailboxes. Call now or schedule a lock change online in minutes.
Lock Change 91755 is the mobile locksmith service trusted by homeowners, renters, and business owners who want fast, reliable, and professional lock help right in their neighborhood. Whether you lost your keys, had them stolen, just moved into a new place, or need a major security upgrade, our technicians travel throughout 91755 every day with fully equipped vans ready to replace, rekey, or modernize your locks on the spot. We make it simple to regain control of your property’s security with clear communication, upfront pricing, and high-quality hardware.
Many people in 91755 do not think about their locks until something goes wrong—keys disappear, old hardware begins sticking, or a new tenant or employee moves out. In some cases, a break-in or attempted break-in makes the need for lock change urgent. No matter the situation, our team helps you evaluate your options, understand the differences between lock change and rekey, and choose solutions that keep your home or business protected.
This page is your complete guide to lock change services in 91755, including when you should change locks, how deadbolts differ from mortise systems, the benefits of smart locks, pricing expectations, lock brands we work with, and reasons customers across 91755 rely on us for trusted, long-term security support.
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Security in 91755 begins with something simple but essential: controlling who has access to your doors. Lost keys, stolen keys, moving to a new house or office, or dealing with a burglary repair situation all create uncertainty about who might still have the ability to enter. When you inherit old keys from previous residents or employees, or when multiple copies have been made over the years, your safety becomes harder to guarantee.
Changing or rekeying your locks is one of the fastest ways to restore confidence. At Lock Change 91755, we specialize in residential and commercial lock services, bringing the right tools, parts, and experience to your door. Whether you want a fresh set of keys, stronger hardware, or a completely modern smart lock system, our goal is to help you feel secure again—quickly and professionally.
We don’t just change locks; we improve your overall access control. This guide explains when and why lock changes are necessary, the differences between lock change and rekey, and how you can strengthen your security with reliable options tailored specifically for 91755.
Residents of 91755 request lock changes for a variety of practical reasons. Losing your keys is one of the most common triggers, and once they’re gone, you cannot know where they ended up or who might have picked them up. Changing or rekeying locks removes that risk instantly and restores total control over your entrances.
Moving into a new residential or commercial property is also a major reason. Past residents, contractors, cleaners, realtors, or employees may still have old keys, and tracking all copies is impossible. A lock change in 91755 gives you a fresh start with clean access—no unknown keyholders.
Another reason is burglary repair. Even if a break-in attempt didn’t fully damage your door, your lock may have internal stress or hidden weaknesses. Installing new deadbolts, reinforcing strike plates, and upgrading lock cylinders makes your door far stronger for the future.
Finally, many customers request upgrades simply because their locks are old or outdated. Rust, sticking mechanisms, or weak designs are signs it’s time to upgrade your security. Some customers also want to transition to smart locks for convenience, better access control, or modern home integration.
A lock change means that the entire lock is replaced with a new model. This option is ideal when your lock is worn, damaged, low-security, or when you want a new brand, new style, or a major upgrade. Many customers choose full replacement when switching to high-security locks or installing smart locks.
Rekeying is different. Instead of removing the lock, we change the internal pins inside the cylinder so old keys no longer work. We then cut new keys to match the updated configuration. Rekeying is typically more budget-friendly and faster, making it a great option when your hardware is still in good condition.
During your lock change 91755 appointment, we evaluate your existing hardware and help you choose the solution that gives you the best combination of security, performance, and cost-effectiveness.
Most doors in 91755 use either a deadbolt or a mortise lock. A deadbolt is the standard lock found in many residences. In a deadbolt lock, the cylinder is built outside of the door frame and passes through the door into a metal bolt. When properly installed with a reinforced strike plate, a deadbolt provides excellent resistance against forced entry, prying, and kicking.
Deadbolts come in different security grades, with higher-grade models offering more durability and resistance to tampering. They are a popular choice for single-family homes, apartments, and small businesses due to their simplicity and reliability.
Mortise locks are different in structure. They fit into a rectangular pocket carved into the door edge and combine the latch and deadbolt in one heavy-duty unit. Mortise locks are common in commercial buildings, condos, historic homes, and locations with high foot traffic. They provide durability, strength, and smooth operation for years.
Because mortise and deadbolt locks require different door preparations, choosing the correct type is crucial. Our locksmiths examine your door construction and help you select the best option based on your needs in 91755.
Smart locks are growing fast in popularity throughout 91755 because they provide both security and convenience. Instead of relying on metal keys, you can unlock your door using a code, mobile app, Bluetooth, Wi-Fi, or fob. Property managers, rental hosts, families, and businesses appreciate the flexibility and control that smart locks provide.
Standard smart locks fully replace your existing deadbolt. These models typically feature digital keypads, touchscreen entry, auto-locking schedules, guest access codes, activity logs, and compatibility with smart home ecosystems.
Retrofit smart locks work with your existing deadbolt and mount on the inside of the door. They electronically turn the thumb-turn, giving you app control and access tracking without changing the outside hardware. This is ideal for buildings in 91755 with strict design requirements or for people who want a less visible upgrade.
Our technicians help you choose the best smart lock for your home or business, confirm door compatibility, and complete full installation and setup during your lock change 91755 service.
DIY lock installation may seem simple, but doors in the real world are rarely as perfect as those shown in videos. Small drill mistakes, misaligned latches, and incorrect screws can make the door more vulnerable or cause it to malfunction. Many 91755 customers call us after trying DIY installation and finding the lock sticks, wobbles, or fails to latch correctly.
Professional locksmiths ensure that every component fits properly, operates smoothly, and meets security standards. We know how different door materials behave, how to reinforce weak points, and how to install hardware without damaging the door.
Lock Change 91755 also provides a warranty on labor and parts, ensuring that if anything goes wrong, we return to fix it. This level of assurance is something DIY work cannot offer.
Below are many of the reputable lock brands we service and install throughout 91755.
Emtek hardware brings customizable, stylish options for 91755 homeowners. Visit Emtek.
Kwikset locks offer easy rekeying features and reliable home security. See Kwikset.
Schlage deadbolts provide strong, dependable performance for homes and businesses. Visit Schlage.
Medeco high-security locks resist drilling and picking, making them ideal for high-risk locations. Learn more at Medeco.
Mul-T-Lock cylinders offer patented key control and high-strength materials. See Mul-T-Lock.
Sargent hardware is commonly used in schools, hospitals, and high-traffic properties. Visit Sargent.
Baldwin locks offer elegant designs with solid construction for premium home entries. Visit Baldwin.
Arrow locks offer durable, cost-effective commercial solutions. Learn more at Arrow Lock.
Adams Rite systems are perfect for aluminum storefront doors in 91755. More at Adams Rite.
Falcon locks provide practical, sturdy hardware for multi-tenant buildings. Visit Falcon.
Simplex pushbutton locks offer mechanical keyless entry with long-lasting reliability. Learn more at Simplex.
Von Duprin exit devices provide dependable emergency egress solutions. Visit Von Duprin.
Stanley hardware is designed for demanding commercial environments. See Stanley.
Weiser locks offer stylish residential options with flexible rekey features. Visit Weiser.
Kaba locks deliver reliable mechanical and electronic access solutions. Visit dormakaba.
Corbin Russwin is ideal for institutions requiring heavy-duty security. Learn more at Corbin Russwin.
Norton door closers ensure proper door control and closing reliability. Visit Norton.
Assa Abloy brings together many of the world’s leading lock brands. Visit Assa Abloy.
Lock change prices in 91755 depend on factors such as door condition, lock type, the number of locks, and the complexity of the installation. Rekeying tends to cost less since the existing hardware stays in place, while full replacements, high-security locks, and smart locks require more parts and labor.
Below is a general estimate for common services:
| Service type | Price |
| Service call (trip charge) | $29 |
| Residential rekey (per cylinder) | $25 – $55 |
| Residential lock change | $89 – $189 + hardware |
| Commercial rekey | $35 – $85 |
| Commercial lock change | $145 – $295 + hardware |
| High-security rekey | $75 – $145 |
| High-security lock replacement | $195 – $395 + hardware |
| Smart lock installation (standard) | $135 – $265 + device |
| Smart lock installation (retrofit) | $115 – $235 + device |
These prices are estimates. The final cost always depends on the condition of the doors, the type of lock you choose, and any additional reinforcement needed. Your Lock Change 91755 technician will provide a final quote after diagnosing the situation, and no work begins without your approval.
Lock Change 91755 has built a reputation as one of the most trusted locksmith services in the area. We maintain strong ratings on Google Maps, BBB, Yelp, Home Advisor, and other platforms. Customers appreciate our fast response, honest communication, and detailed explanations before any work begins.
With over 10 years of experience, we handle everything from deadbolt changes to complex mortise systems and advanced smart lock installations. Our vans carry a wide inventory of locks so we can match your style, budget, and security needs on the spot. All technicians are licensed, bonded, and insured for your peace of mind.
We also offer upfront pricing, competitive rates, and same-day mobile service whenever scheduling allows. Every lock change or rekey includes a 6 months warranty on parts and labor to ensure lasting satisfaction.
Yes. You never know who still has old keys, so rekeying or replacing locks is strongly recommended for new residents or business owners.
If the lock is in good condition, rekeying is often enough. If it’s worn, loose, outdated, or low security, replacement is usually better.
We offer same-day mobile service in most cases, depending on your 91755 schedule and availability.
Often yes. If locks use compatible keyways, we can rekey them to the same key for convenience.
High-quality smart locks are designed with secure electronics and strong physical components. When installed properly, they are very reliable.
Yes. We service storefronts, offices, warehouses, apartment buildings, and other commercial properties.
It may need lubrication, re-alignment, or replacement depending on the extent of wear or damage.
Yes. We will check compatibility and install it professionally.
Yes. We provide urgent lock change 91755 services for break-ins or compromised security situations.
Yes. All lock change and rekey services come with a 6 months warranty on labor and parts.
Lock Change 91755 proudly serves customers in and around the greater Los Angeles region, including nearby communities like Pasadena, Glendale, Burbank, Santa Monica, Inglewood, and West Hollywood. We frequently handle lock services in zip codes such as 90001, 90011, 90026, 90036, 90064, and 91331.
Whether you need to secure a new home, change locks after losing keys, upgrade outdated hardware, or transition to smart locks, our skilled technicians provide high-quality, mobile service with transparent pricing and dependable results. Reach out today and let Lock Change 91755 help protect your property with confidence.
Upgrade or replace mortise locks on metal and wooden doors. Ideal for older properties and commercial doors needing strong, long-lasting hardware.
Single and double-cylinder deadbolts for front doors, back doors, and rental units. Perfect for improving home and office security in Monterey Park.
Lock changes and key services for file cabinets, storage cabinets, and mailboxes to help protect sensitive documents, packages, and personal mail.
We provide lock change services in Monterey Park and the surrounding neighborhoods. You can embed your Google map below to highlight your exact service area.