We are Number #1 Locksmith Service in Washington, MD
Locksmith in Washington, DC
Locksmith Guarantee supports neighborhoods across the District—Capitol Hill, Shaw, Columbia Heights, Navy Yard, Petworth, and more—with dependable residential, commercial, automotive, and safe services. Our technicians arrive in equipped vans, explain options, and provide clear pricing before work begins. We operate Sunday through Friday, 8 AM–11 PM (Saturday closed). From keypad deadbolts for rowhomes to master-key systems for small retail spaces or a replacement proximity key for your vehicle, we handle the details professionally and courteously.
Residential Locksmith Services
- Re-keying & keyed-alike setups
- Grade-1 deadbolts
- Smart locks & keypads
- Door/strike alignment
- Mailbox & gate locks
- Safe opening & combo changes.
Commercial Locksmith Services
- Access control & keypad entry
- Master-key plans
- Restricted keyways
- Panic bars/closers/storefront hardware
- File/cabinet locks
- Maintenance plans for multi-tenant buildings.
Automotive Locksmith Services
- Cut & program transponder/remote/proximity keys
- Ignition repair/replacement
- Broken key extraction
- Door/trunk keys
- Motorcycle/RV (availability varies—share year/make/model).
Emergency During Open Hours
Locked out or misplaced keys? We’re on-call Sun–Fri, 8 AM–11 PM, with an ETA and quote before dispatch. Saturday is closed; schedule non-urgent work ahead.
Quality Professional Service
Lock Service in Washington
Key Cutting Service in Washington
Electronic Security Service in Washington
Master Key Systems in Washington
Automotive Locksmith Service in Washington
Commercial Locksmith Service in Washington
Committed!
Neighborhoods & Corridors We Cover in DC
Capitol Hill, Navy Yard, H St NE, Shaw/U St, Logan Circle, Dupont Circle, Adams Morgan, Columbia Heights, Petworth, Brookland, Brightwood, Southwest Waterfront, and corridors along Georgia Ave NW, 14th St NW, Wisconsin Ave NW, and Benning Rd NE.
Locksmith Guarantee
Residential Locksmith Service in Washington, MD
Your home’s security is our top priority. We offer a full range of residential locksmith services in Washington, MD to ensure that your home remains safe and secure. Whether you need new locks installed or keys replaced, our skilled locksmiths can handle it all.
Our residential services include:
Key Duplication and Replacement: Lost your house key? We can duplicate or replace your keys so you never have to worry about being locked out again.
Lock Installation and Repair: We install and repair a wide range of locks, including deadbolts, smart locks, and high-security systems. Whether you need a new lock or your current one needs a fix, we’re here to help.
Lockout Services: Locked out of your home? Our technicians can get you back inside without causing any damage to your locks or doors.
Why Choose Us
Local Job Snippets
Rowhome re-key near H St NE
Re-pinned 5 cylinders after tenant turnover; reinforced strikes; labeled new keys.
Storefront exit device in Shaw
Installed panic bar and adjusted door closer for smooth, code-compliant egress.
Car key programming in Navy Yard
Cut and programmed a proximity key; verified remote lock/unlock and immobilizer pairing.
Commercial Locksmith Services
For businesses in Washington, MD, security is critical. We offer comprehensive commercial locksmith services designed to protect your assets, employees, and property. Our commercial locksmiths specialize in installing and maintaining high-security locks and access systems that meet the unique needs of your business.
Automotive Locksmith Services
Automotive locksmith services in Washington, MD can save you from the stress of being locked out of your vehicle or dealing with a malfunctioning ignition. Whether you’ve lost your keys or broken them in the lock, our expert technicians are here to assist you. Frequently Ask Questions
Business rekey service involves changing the internal mechanism of locks so that they can be operated by new keys, enhancing security.
Rekeying is recommended when keys are lost, stolen, or unaccounted for, or when there is a change in personnel or ownership.
No, rekeying involves changing the internal pins of the lock, allowing it to work with a new key without replacing the entire lock.
Yes, locksmiths can rekey multiple locks to operate with a single master key for added convenience.
Yes, rekeying enhances security by preventing unauthorized access with old keys and providing control over who has access to your premises.
Clients Love
Testimonial
I was locked out of my house late at night, and Locksmith Guarantee came to the rescue within minutes! The locksmith was professional, friendly, and had me back inside in no time. I am very happy with their service. Highly recommend their services!
5442 Stream Bank Ln, Greenbelt, MD 20770
(240) 931-0762
locksmithguarantee1@gmail.com