Grand Opening: Up to 20% Off. Valid for the grand opening period through December 31, 2026. One offer per job. Offers cannot be combined. No discount on emergency, lockout, or after-hours service, car keys / automotive, or service calls.
How Capital Sentinel handles Best
Best is key control hardware we sell and service. Interchangeable core systems.
Bring the existing key, a photo of the lock edge, and the door thickness if you know it. A Best template fails when the door is thinner or thicker than the sheet assumes.
What to compare in the showroom
You can compare Best by finish, function, and how it fits the door.
Best is chosen with you in the showroom. For Best, the 10% tier applies only when the scope is lock replacement, a rekey, a master key system, a safe, or key duplication. Confirm it on the offer-terms page before you book.
Field notes
For Best, Best in University Park, Maryland is common on Baltimore Avenue. Formal front doors and side entries. Buildings on Baltimore Avenue are detached houses. For Best in University Park, Maryland, a typical opening is 48-inch, 1-3/8-inch, right-hand, 622 matte black on Baltimore Avenue. Best is the usual start for Best in University Park, Maryland, and the matching strike is the backup on Baltimore Avenue. The trouble with Best on Baltimore Avenue is “the wrong door thickness.” In University Park, Maryland, the technician will check the drilling guide. When it applies, the manufacturer's drilling guide guides Best in University Park, Maryland. Best in University Park, Maryland needs a photo of the door on Baltimore Avenue. The Baltimore Avenue opening in University Park, Maryland is measured before Best is priced. Call (202) 900-5625 about Best on Baltimore Avenue in University Park, Maryland.
For Best, Best in Rosslyn, Virginia is common on Wilson Boulevard. Lobby readers, stair closers, and exit devices. Buildings on Wilson Boulevard are office towers. For Best in Rosslyn, Virginia, a typical opening is 32-inch, 1-3/4-inch, left-hand, 613 bronze on Wilson Boulevard. the matching strike is the usual start for Best in Rosslyn, Virginia, and the correct hand is the backup on Wilson Boulevard. The trouble with Best on Wilson Boulevard is “the wrong hand.” In Rosslyn, Virginia, the technician will confirm the keyway. When it applies, key control rules guides Best in Rosslyn, Virginia. Best in Rosslyn, Virginia needs a photo of the door on Wilson Boulevard. Ask for Best in Rosslyn, Virginia with a photo of the door on Wilson Boulevard. Call (202) 900-5625 about Best on Wilson Boulevard in Rosslyn, Virginia.
For Best, Best in Chevy Chase, Washington, DC is common on Connecticut Avenue. On the District side, many houses have thick front doors and older brass hardware. Buildings on Connecticut Avenue are detached houses and low apartment buildings. For Best in Chevy Chase, Washington, DC, a typical opening is 42-inch, 1-3/4-inch, left-hand reverse, 613 bronze on Connecticut Avenue. the correct hand is the usual start for Best in Chevy Chase, Washington, DC, and the listed finish is the backup on Connecticut Avenue. The trouble with Best on Connecticut Avenue is “a mixed finish.” In Chevy Chase, Washington, DC, the technician will protect the finish. When it applies, the manufacturer's drilling guide guides Best in Chevy Chase, Washington, DC. Best in Chevy Chase, Washington, DC needs a photo of the door on Connecticut Avenue. A Chevy Chase, Washington, DC visit for Best starts with the door on Connecticut Avenue, not a guess from a catalog. Call (202) 900-5625 about Best on Connecticut Avenue in Chevy Chase, Washington, DC.
For Best, Best in Northwest One, Washington, DC is common on K Street. Replacement doors and existing frames often have to work together. Buildings on K Street are mixed residential and civic buildings. For Best in Northwest One, Washington, DC, a typical opening is 48-inch, 2-inch, left-hand reverse, 605 brass on K Street. the listed finish is the usual start for Best in Northwest One, Washington, DC, and Best is the backup on K Street. The trouble with Best on K Street is “a missing restricted blank.” In Northwest One, Washington, DC, the technician will test the key. When it applies, key control rules guides Best in Northwest One, Washington, DC. Best in Northwest One, Washington, DC needs a photo of the door on K Street. Ask for Best in Northwest One, Washington, DC with a photo of the door on K Street. Call (202) 900-5625 about Best on K Street in Northwest One, Washington, DC.
For Best, Best in Bladensburg, Maryland is common on Annapolis Road. Older frames need repair before new locks. Buildings on Annapolis Road are historic houses and commercial strips. For Best in Bladensburg, Maryland, a typical opening is 36-inch, 1-3/8-inch, right-hand, 605 brass on Annapolis Road. Best is the usual start for Best in Bladensburg, Maryland, and the matching strike is the backup on Annapolis Road. The trouble with Best on Annapolis Road is “the wrong door thickness.” In Bladensburg, Maryland, the technician will check the drilling guide. When it applies, the manufacturer's drilling guide guides Best in Bladensburg, Maryland. Best in Bladensburg, Maryland needs a photo of the door on Annapolis Road. The Annapolis Road opening in Bladensburg, Maryland is measured before Best is priced. Call (202) 900-5625 about Best on Annapolis Road in Bladensburg, Maryland.
For Best, Best in Kemp Mill, Maryland is common on Arcola Avenue. Residential locks and community-room doors. Buildings on Arcola Avenue are houses and small community buildings. For Best in Kemp Mill, Maryland, a typical opening is 36-inch, 1-3/4-inch, left-hand reverse, 619 nickel on Arcola Avenue. the matching strike is the usual start for Best in Kemp Mill, Maryland, and the correct hand is the backup on Arcola Avenue. The trouble with Best on Arcola Avenue is “the wrong hand.” In Kemp Mill, Maryland, the technician will confirm the keyway. When it applies, key control rules guides Best in Kemp Mill, Maryland. Best in Kemp Mill, Maryland needs a photo of the door on Arcola Avenue. Ask for Best in Kemp Mill, Maryland with a photo of the door on Arcola Avenue. Call (202) 900-5625 about Best on Arcola Avenue in Kemp Mill, Maryland.
For Best, Best in McLean, Virginia is common on Chain Bridge Road. Heavy decorative doors and multi-point locks appear in the same week. Buildings on Chain Bridge Road are estates and neighborhood retail. For Best in McLean, Virginia, a typical opening is 36-inch, 2-1/4-inch, right-hand, 626 satin chrome on Chain Bridge Road. the correct hand is the usual start for Best in McLean, Virginia, and the listed finish is the backup on Chain Bridge Road. The trouble with Best on Chain Bridge Road is “a mixed finish.” In McLean, Virginia, the technician will protect the finish. When it applies, the manufacturer's drilling guide guides Best in McLean, Virginia. Best in McLean, Virginia needs a photo of the door on Chain Bridge Road. Best on Chain Bridge Road in McLean, Virginia is scheduled after the door is seen. Call (202) 900-5625 about Best on Chain Bridge Road in McLean, Virginia.
For Best, Best in National Landing, Virginia is common on Potomac Avenue. New construction hardware that still needs adjustment after occupancy. Buildings on Potomac Avenue are new offices and apartments. For Best in National Landing, Virginia, a typical opening is 36-inch, 1-3/4-inch, right-hand reverse, 626 satin chrome on Potomac Avenue. the listed finish is the usual start for Best in National Landing, Virginia, and Best is the backup on Potomac Avenue. The trouble with Best on Potomac Avenue is “a missing restricted blank.” In National Landing, Virginia, the technician will test the key. When it applies, key control rules guides Best in National Landing, Virginia. Best in National Landing, Virginia needs a photo of the door on Potomac Avenue. Ask for Best in National Landing, Virginia with a photo of the door on Potomac Avenue. Call (202) 900-5625 about Best on Potomac Avenue in National Landing, Virginia.
For Best, Best in Walter Reed, Washington, DC is common on Georgia Avenue. New hardware and older institutional doors both appear. Buildings on Georgia Avenue are new townhouses and reused institutional buildings. For Best in Walter Reed, Washington, DC, a typical opening is 32-inch, 1-3/8-inch, left-hand, 626 satin chrome on Georgia Avenue. Best is the usual start for Best in Walter Reed, Washington, DC, and the matching strike is the backup on Georgia Avenue. The trouble with Best on Georgia Avenue is “the wrong door thickness.” In Walter Reed, Washington, DC, the technician will check the drilling guide. When it applies, the manufacturer's drilling guide guides Best in Walter Reed, Washington, DC. Best in Walter Reed, Washington, DC needs a photo of the door on Georgia Avenue. The Georgia Avenue opening in Walter Reed, Washington, DC is measured before Best is priced. Call (202) 900-5625 about Best on Georgia Avenue in Walter Reed, Washington, DC.
For Best, Best in Tenleytown, Washington, DC is common on Wisconsin Avenue. School doors and apartment lobbies are both nearby. Buildings on Wisconsin Avenue are apartments, schools, and neighborhood retail. For Best in Tenleytown, Washington, DC, a typical opening is 48-inch, 2-1/4-inch, left-hand, 605 brass on Wisconsin Avenue. the matching strike is the usual start for Best in Tenleytown, Washington, DC, and the correct hand is the backup on Wisconsin Avenue. The trouble with Best on Wisconsin Avenue is “the wrong hand.” In Tenleytown, Washington, DC, the technician will confirm the keyway. When it applies, key control rules guides Best in Tenleytown, Washington, DC. Best in Tenleytown, Washington, DC needs a photo of the door on Wisconsin Avenue. A Tenleytown, Washington, DC visit for Best starts with the door on Wisconsin Avenue, not a guess from a catalog. Call (202) 900-5625 about Best on Wisconsin Avenue in Tenleytown, Washington, DC.
For Best, Best in Colesville, Maryland is common on New Hampshire Avenue. Residential deadbolts and small-shop doors. Buildings on New Hampshire Avenue are houses and neighborhood retail. For Best in Colesville, Maryland, a typical opening is 32-inch, 2-1/4-inch, left-hand, 605 brass on New Hampshire Avenue. the correct hand is the usual start for Best in Colesville, Maryland, and the listed finish is the backup on New Hampshire Avenue. The trouble with Best on New Hampshire Avenue is “a mixed finish.” In Colesville, Maryland, the technician will protect the finish. When it applies, the manufacturer's drilling guide guides Best in Colesville, Maryland. Best in Colesville, Maryland needs a photo of the door on New Hampshire Avenue. Best on New Hampshire Avenue in Colesville, Maryland is scheduled after the door is seen. Call (202) 900-5625 about Best on New Hampshire Avenue in Colesville, Maryland.
For Best, Best in South Kensington, Maryland is common on Connecticut Avenue. A quiet residential hardware pattern. Buildings on Connecticut Avenue are houses and small institutions. For Best in South Kensington, Maryland, a typical opening is 30-inch, 1-3/8-inch, right-hand reverse, 619 nickel on Connecticut Avenue. the listed finish is the usual start for Best in South Kensington, Maryland, and Best is the backup on Connecticut Avenue. The trouble with Best on Connecticut Avenue is “a missing restricted blank.” In South Kensington, Maryland, the technician will test the key. When it applies, key control rules guides Best in South Kensington, Maryland. Best in South Kensington, Maryland needs a photo of the door on Connecticut Avenue. Best on Connecticut Avenue in South Kensington, Maryland is scheduled after the door is seen. Call (202) 900-5625 about Best on Connecticut Avenue in South Kensington, Maryland.
Frequent questions
Can I see Best hardware before I book?
Yes. Come by the showroom and look at Best hardware before you book Best.
Does the grand opening discount cover Best?
For Best, the 10% tier applies only to lock replacement, a rekey, a master key system, a safe, or key duplication. 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 Best, call (202) 900-5625 or email capitolsentinel@gmail.com. Directions and hours are on the contact page.
What should I bring?
For Best, bring the existing key, a photo of the lock edge, and the door thickness if you know it. Showroom hours and the 24-hour emergency line are different, and Monday visits are by appointment.
