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.
Master Key System in Los Angeles, CA
A master key system in Los Angeles typically costs between $150 and $450 for the initial setup, plus the cost of cylinders, depending on the complexity of your building’s hierarchy and the brand of hardware involved. Novak Lock & Security Los Angeles designs these systems to grant specific access levels to different staff members or tenants while maintaining top-tier security for sensitive areas. If you are managing a commercial property in areas like Downtown LA, Hollywood, or the Arts District, we provide firm, written quotes before any work begins, ensuring you know exactly what the system costs before we turn a single key.
When you operate a business, managing who has access to which door shouldn’t require carrying a ring of twenty different keys. A master key system consolidates your security by allowing one master key to operate every lock in the building, while individual change keys operate only specific doors. We have installed and serviced over 60,000 locks, keys, and systems since 2002, and we apply that depth of experience to every master key design we create. Whether you are upgrading a retail space on Melrose Avenue or securing an office complex in Century City, our team ensures your system follows The Haven Standard. We invite you to call us at (213) 632-4875 for a free estimate on your system design. This service is a core component of our Commercial Locksmith in Los Angeles offerings, where we focus on delivering scalable security solutions for property managers and business owners.
When You Need a Master Key System
You likely need a master key system if your daily operations are being slowed down by key management issues or if your current security structure lacks accountability. In a city like Los Angeles, where commercial spaces range from historic buildings with legacy hardware to modern office suites, we see recurring issues that signal it is time for a professional system overhaul:
- Excessive Key Rings: When managers or maintenance staff are carrying bulky, unlabeled key rings that create confusion and slow down daily tasks.
- High Employee Turnover: If your business experiences frequent staff changes, a master key system allows you to re-key specific cylinders without needing to replace every lock on the property.
- Sensitive Area Protection: You need to restrict access to server rooms, inventory storage, or financial records while allowing general access to common areas like lobbies or restrooms.
- Property Management Efficiency: For apartment complex owners in neighborhoods like Koreatown or Silver Lake, a master key system allows maintenance teams to enter units for repairs without the tenant needing to be present, provided proper notice is given.
- Lost Key Exposure: If a standard key is lost, you often have to change the entire lock. With a master key system, we can re-key specific cylinders to void the lost key without disrupting the rest of the building’s access.
If you are noticing these symptoms, it is time to evaluate your hardware. We work with premium brands such as Medeco, Schlage, and Abloy to ensure the cylinders we install are resistant to picking, bumping, and unauthorized duplication.
Our Master Key System Process

We approach master key design as a security engineering project, not a simple hardware installation. Under The Haven Standard, we document every step of the process.
- Site Assessment: We visit your Los Angeles location to map out every door, identify current hardware brands, and understand your access hierarchy requirements.
- System Design: We create a master key chart that defines which keys open which doors, ensuring the logic of the system is secure and easy to manage.
- Quote and Approval: Per Haven Standard Clause 1, we provide a written price for the entire project before we start. The price we quote on the phone or in person is the price on the final invoice.
- Cylinder Installation or Rekeying: Our uniformed, background-checked technicians install the new cylinders or modify your existing ones to accept the new master key configuration.
- System Handover: We provide you with the master keys, a documented key schedule, and a photo record of the finished work, ensuring you have a clear, permanent record of your security assets.
Because we handle high-security hardware, we emphasize safety. Master key systems involve precise tolerances; if a lock is improperly pinned, it can jam or fail, potentially locking you out of critical areas. Always rely on trained professionals for this work to avoid damaging the internal components of your door hardware.
Master Key System Pricing in Los Angeles
We believe in transparency, which is why we provide firm, written pricing. You will never encounter hidden fees or on-site price hikes with Novak Lock & Security Los Angeles.
| Service Item | Estimated Cost Range |
|---|---|
| System Design & Consultation | $100 - $250 (varies by complexity) |
| Cylinder Rekeying (per cylinder) | $30 - $75 per cylinder |
| High-Security Cylinder Installation | $120 - $280 per door |
| Master Key Duplication | $25 - $60 per key |
Factors that influence the final cost include the total number of doors, the type of existing hardware (e.g., Kwikset versus high-security Medeco), and whether we need to replace existing cylinders or modify the current pinning. We offer a free second opinion on any written estimate you have received from another provider. If you have a quote, bring it to us, and we will review it at no charge. Call (213) 632-4875 to discuss your project.
FAQs - Master Key System

Can you create a master key system for my existing locks?
Yes, we can often design a master key system that utilizes your existing hardware, provided the locks are compatible with a master keying process. We will inspect your current Schlage or other lock brands during our site visit to confirm if they can be re-pinned to a master system or if the cylinders need to be replaced for security reasons.
How long does it take to design and install a master key system?
The design phase usually takes 1 to 3 days depending on the size of the building, and the physical installation is typically completed in a single visit for standard commercial properties. We prioritize efficiency to minimize disruption to your business operations. Call (213) 632-4875 to schedule your assessment today.
What happens if a master key is lost?
If a master key is lost, the entire security of the building is compromised, and we must re-key every cylinder in the system to ensure the lost key no longer functions. This is why we recommend maintaining a strict key control policy and documenting who holds each master key. If this happens, contact us immediately so we can secure your facility and issue new keys under our 365-Day Done Right Promise.
Is it cheaper to repair or replace my locks when implementing a master key system?
It depends on the age and condition of your current hardware; in many cases, we can re-key existing cylinders, which is more cost-effective than replacing the entire lockset. However, if your current locks are worn out or lack the required security features, we will advise you to replace them with more durable options like Abloy or Medeco to ensure the system remains reliable. Call (213) 632-4875 for an exact quote - estimates are free.
Every installation we perform is backed by our 365-Day Done Right Promise. If the system is not functioning correctly or if you encounter any issues with the keys or cylinders, we will make it right. We are committed to providing reliable, documented security services for all Los Angeles businesses.
Written by Daniel Novak, Owner at Novak Lock & Security Los Angeles, serving Los Angeles.






