Business Details
Emergency
services
Your Trusted Locksmith in New England | Tri-State Lock & Safe
Tri-State Lock & Safe has been a trusted provider of comprehensive locksmith solutions since acquiring Seacoast Lock & Safe, a company with a legacy dating back to 1964. Our third-generation family-owned business specializes in residential, commercial, automotive, and safe locksmith services across New Hampshire, Massachusetts, and Maine. With immediate response times, factory-trained technicians, and over 25 years of experience, we prioritize affordability, technical expertise, and 100% customer satisfaction.Our team delivers on-site services including key duplication, smart lock installation, safe servicing, and emergency lockout assistance, backed by industry certifications and full insurance coverage.
Services
Residential Locksmith
Commercial Locksmith
Automotive Locksmith
Safe Locksmith
Keyless Smart Locks
Highlights and features
- We offer immediate response times for emergency lockout situations.
- Our pricing is transparent and competitively affordable for all clients.
- We have over 25 years of experience serving the Seacoast region.
- Our technicians are factory-trained and fully insured for your protection.
- We guarantee 100% satisfaction with every service we provide.
Associations and certifications
- ALOA
- SAVTA
What people say
Prompt service
Professional technicians
Reliable solutions
Fast and efficient
Great customer service
Services
Residential Locksmith
Our residential locksmith services include deadbolt installation, rekeying, key duplication, and emergency lockout assistance. We specialize in securing homes with modern solutions like smart locks and high-security systems. Customers benefit from rapid response times and durable, reliable hardware tailored to their specific needs.
Commercial Locksmith
We provide commercial door hardware installation, master key systems, panic devices, and alarm lock integration. Our solutions enhance security for offices, retail spaces, and institutions while ensuring compliance with safety regulations. Businesses gain scalable systems that adapt to evolving security demands.
Automotive Locksmith
Our automotive locksmiths cut and program car keys and fobs for all major brands at a fraction of dealership costs. Services include ignition repair, transponder key programming, and emergency vehicle unlock assistance. Customers receive fast, mobile-friendly solutions without dealership markup.
Safe Locksmith
We offer safe and vault servicing, combination changes, lockout recovery, and safe relocation. Our technicians handle residential and commercial safes, including fireproof and burglary-rated models. Clients gain secure storage solutions and expert maintenance for valuables.
Keyless Smart Locks
We install and program keyless entry systems with features like app control, PIN codes, and smart home integration. These locks offer convenience and enhanced security for homes and businesses. Customers enjoy remote access, user code management, and compatibility with devices like Alexa and Google Assistant.
Questions
What areas do you serve?
We provide locksmith services in New Hampshire, Massachusetts, and Maine, including Hampton, Portsmouth, Ipswich, and Portland.
Do you offer emergency lockout assistance?
Yes, we provide 24/7 emergency lockout services for homes, vehicles, and businesses with rapid response times.
Can you program car key fobs?
We program key fobs and transponder keys for all major vehicle brands at lower costs than dealerships.
Are your technicians certified?
Our locksmiths are factory-trained and meet ALOA and SAVTA industry standards for expertise and ethics.
Do you install smart locks?
Yes, we install keyless entry systems compatible with smartphones, voice assistants, and home automation platforms.
