Services
Commercial Services
Modern businesses need access solutions that are flexible, secure, and easy to manage.
Commercial security is not one-size-fits-all. A medical office building, a multi-tenant commercial property, a school, and a warehouse all face different threats, different compliance requirements, and different day-to-day access needs. At 4S Lock and Safety, we design and install commercial security solutions from the ground up — understanding your operations first, then engineering the access strategy that protects your people, your assets, and your liability.
We install and service the full spectrum of commercial locksmithing and access control systems — from traditional master key hierarchies to fully integrated, cloud-managed physical access control systems (PACS). We specify hardware that meets NFPA 101 Life Safety Code and ADA accessibility standards, and we provide the documentation that complex institutional environments require. Our work is precise, our knowledge is current, and we stand behind every installation.
Contact Us For:
- Lock Installation, Service, and Repair
- Electronic Access Control Systems
- Master Key System Design and Implementation
- Key System Audits and Security Assessments
- High-Security Lock and Hardware Solutions
- Panic Bar and Exit Device Installation
- ADA-Compliant Hardware and Door Operators
- Physical Access Control Systems (PACS) Integration
Why 4S for Commercial?
Licensed & Credentialed
Our lead technician holds Maryland and Virginia Locksmith Licenses and professional certifications including CPC, EST, and ESS.
Compliance-Informed
We bring deep familiarity with NFPA 101 Life Safety Code, ADA accessibility standards, and Joint Commission Environment of Care requirements.
Woman-Owned & Minority-Owned
4S Lock and Safety is a Maryland minority-owned, woman-owned business positioned to serve institutional and government procurement requirements.
Fully Documented
We provide complete keying records, as-built hardware schedules, and access control documentation — the paper trail that institutional accounts require.
Proudly serving commercial and residential clients in Hagerstown, Frederick, Rockville, Silver Spring, Baltimore, and throughout Maryland and the Mid-Atlantic region.
Take control of your building access — reach out to explore solutions tailored to your business.