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Expert Locksmith Services in Derby, CT
At Calvert Safe & Lock, we have been a family-owned and operated business since 1972, dedicated to providing high-security solutions across New England. Our commitment to personal service has remained unwavering even as we expanded to become a major supplier of advanced locks and safes. We maintain a vast inventory of products, including high-security locks, safes, and door hardware, supported by professionally trained and state-certified locksmiths and security technicians. Our team specializes in installation, maintenance, and customization of security systems tailored to residential and commercial needs. We prioritize customer satisfaction by offering unmatched product support and service, ensuring communities remain secure.

Our expertise spans electronic access systems, master-keyed systems, padlocks, and interchangeable cores, all available for immediate delivery or installation. With decades of experience, we combine technical proficiency with ethical practices to address diverse security challenges. Our mission emphasizes anticipating customer needs, delivering reliable solutions, and fostering trust through transparency and integrity. Located in Derby, CT, we serve Stamford, New Haven, Hartford, and surrounding regions with same-day delivery and after-hours service for corporate accounts. We stand by our principles of quality, dependability, and client-centric service, making us a trusted partner for security needs of all scales.
Services
Safes Electronic Access Padlocks Door Hardware Master Keyed Systems Interchangeable Cores
Details
  • Year established: 1972
Highlights and features
  • Over 50 years of experience in high-security solutions since 1972.
  • State-certified locksmiths and technicians ensure compliance and expertise.
  • Same-day delivery and installation available across Connecticut.
  • Custom-tailored security systems for residential and commercial needs.
  • Unmatched product support with a focus on customer satisfaction.
Associations and certifications
  • Medeco Service Center
What people say
Nice people Extremely knowledgeable Quick and honest Great small business Courteous and helpful
Services
Safes
Calvert Safe & Lock offers a selection of high-security safes from Gardall, designed for residential and commercial environments. Our specialists assist in choosing safes based on fire and burglary ratings, electronic or mechanical access, and bolt-down options. We provide delivery, installation, and customization for tailored security needs.
Electronic Access
Our electronic access systems include battery-powered locks programmable for time-based access and multiple users. Features like electromagnetic locks and weather-resistant designs suit commercial, institutional, and government applications. Systems scale from standalone units to networks of 500+ units with long battery life.
Master Keyed Systems
Master Keyed Systems allow individual keys for each lock plus a master key for universal access. Ideal for large facilities, they offer expandable security with millions of combinations. We install systems from brands like Medeco and Schlage, ensuring absolute access control and scalability.
Padlocks
We supply high-security padlocks from Master, Sargent, Schlage, and Medeco in various sizes and configurations. Options include weather-resistant, brass, stainless steel, and combination locks. Services cover single units to bulk orders with re-keying and master-keying capabilities.
Interchangeable Cores
Interchangeable Core Systems enable rapid re-keying without replacing hardware. Perfect for businesses with high turnover, these systems ensure key duplication only by registered owners. We provide small and large format cores for economical, secure updates to existing locks.
People
Alan Campanelli
Locksmith
Alan Campanelli is a licensed locksmith with extensive experience in high-security systems, ensuring precise installations and reliable service for residential and commercial clients.
Edward Calvert
Locksmith
Edward Calvert specializes in advanced lock solutions, leveraging years of expertise to deliver tailored security measures that meet industry standards and client expectations.
Lance Peters
Electrician
Lance Peters, a certified electrician, integrates electronic security systems with building infrastructure, ensuring seamless functionality and compliance with state electrical codes.
Questions
What products does Calvert Safe & Lock offer?
We provide safes, electronic access systems, padlocks, door hardware, master-keyed systems, and interchangeable cores for residential and commercial security needs.
Do you offer installation services?
Yes, we install all security products, including locks, safes, and electronic systems, with same-day delivery available in Connecticut.
Are your technicians certified?
Our locksmiths and electricians are state-certified, ensuring compliance with industry standards and professional expertise.
Do you provide after-hours service?
After-hours service is available for corporate accounts. Contact us for emergency security solutions.
Where do you deliver products?
We offer nationwide shipping and same-day delivery in Connecticut, New York, and Massachusetts.
Can you custom-build safes?
Yes, we design and install custom safes tailored to specific security and space requirements.
Reviews (4)
Alfred Anzalone
Jun 06, 2022 Report
What a pleasant experience working with Calvert Lock & Smith. The guys at the shop are extremely knowledgeable and friendly. I was lucky enough to work with Rocco today, who squeezed me into a tight time slot to make sure I'd be out the door within 10 minutes to be able to continue on with my day. They don't price gauge you, and they're very honest. This is how a business is supposed to be ran, it's good to know there's still good customer service in the local area. They're my go-to with anything lock/safe related.
Greg Herrmann
Jul 13, 2021 Report
A friendly technician came out and rekeyed my doors at my house in a timely manner. Highly recommend.
Super Luigi
Jun 27, 2021 Report
Great experience for me. I needed a key cut for my car and it works great. Always the place to go for me.
Shaherah Duval
Mar 28, 2021 Report
The staff was so helpful& knowledgeable, especially Kenny. He was the super hero in retrieving my possessions from the disaster of buying a cheap fire proof safe from Walmart. Services: Lock rekeying, Safe lock mechanism installation, opening & repairs