The company
Capital Sentinel is a locksmith and security shop for homes, businesses, and buildings that need reliable locks, doors, and access control.
Come by the showroom to see the hardware, or call and we will come to the property. We work across Washington, DC, Maryland, and Virginia.
The showroom is not wheelchair accessible. If you need assistance, call or email before your visit and we will be glad to help. We can also come to you. Pets are welcome, and we keep treats and water for you and your pet.
Contact us
1664 Columbia Road NW, Unit A, Washington, DC 20009
Showroom hours: Tuesday–Friday 10:00–18:00, Saturday 10:00–16:00, Sunday 11:00–16:00. Monday by appointment. Emergency calls answered 24 hours.
Frequent questions
Can I see the hardware in person before I book?
Yes. Come by the showroom and look at the hardware in person before you book a planned visit.
Does the grand opening discount cover a planned visit?
For a planned visit, one tier applies, 20, 15, or 10 percent, only when the offer-terms page matches the scope. One offer per job. See the offer-terms page for the full list, valid through December 31, 2026.
How do I reach the shop?
For a planned visit, call (202) 900-5625 or email capitolsentinel@gmail.com. Directions and hours are on the contact page.
What should I bring?
For a planned visit, bring photos of the opening and a phone number that reaches you. Showroom hours and the 24-hour emergency line are different, and Monday visits are by appointment.
Is the Capital Sentinel showroom wheelchair accessible?
It is not. The showroom entrance is not wheelchair accessible. If you need assistance, call (202) 900-5625 or email capitolsentinel@gmail.com before the visit. We will be glad to help, and we can come to you.
Does the showroom allow pets?
Pets are welcome in the showroom. We keep treats and water for you and your pet.