Home Locksmith Services for New Hampshire & Southern Maine
Secure your home with trusted local locksmiths—lockouts, rekeys, keyless entry & more.
Home Security Starts at the Door
Whether you’ve just moved in, lost a key, or want to modernize your home’s locks, A&B Lock and Security is here to help. With over 30 years of trusted service, we offer fast, professional residential locksmith solutions throughout New Hampshire and Southern Maine.
From Portsmouth to the Lakes Region, our technicians are equipped for rekeys, deadbolt installs, smart lock upgrades, and emergency lockouts. We take pride in providing peace of mind for families, landlords, and property managers with same-day service, transparent pricing, and professional, respectful technicians who get the job done right.
You can count on us for honest advice, modern options, and dependable protection—no matter what kind of home you have.
“Richard changed 4 locks for us. He was on time, courteous, and efficient. Will definitely use A&B again.” — Mark Kowalski
Why Homeowners Trust A&B Lock
- Fast, Local Emergency Service
We’re ready when you need us—24/7 availability with real-time updates and direct communication.
- Professional, Friendly Technicians
Our team respects your home and your time. Expect clean, courteous, and qualified service.
- Up-to-Date Security Options
We stay current with mechanical and digital lock technologies for every type of door or setup.
- Family-Owned and Operated
Three generations of locksmithing, with deep roots in New Hampshire and Maine.
- Discounts for Veterans & First Responders
We’re proud to support those who serve.
“Sam did a great job. He was quick, efficient, and professional. Highly recommended.” — Alfred Thomas Catalfo
Our Process
Step 1:
Call or Request Service
For immediate needs, call us. For non-urgent work, submit our contact form online.
Step 2:
Get a Quote
We’ll provide a clear, upfront quote—often right over the phone.
Step 3:
Technician Dispatched
You’ll receive a call-ahead from your tech before they arrive.
Step 4:
Work Completed
We review everything with you on-site to make sure it’s done right.
Step 5:
Payment & Follow-Up
Pay by card, cash, or check. We’ll also ask if you’d consider leaving a review!
Serving Homes Across NH & Southern ME
We provide residential locksmith services to homeowners from Concord and Dover to the Lakes Region and all the way into Greater Portland, ME. If you’re in Southern Maine or anywhere in New Hampshire, we’re your go-to locksmith.
Locked Out or Need a Lock Changed? Call Today!
Call A&B Lock and Security at (603) 527-0192 for fast, affordable home locksmith services you can trust.
