Proudly serving Georgetown, Capitol Hill, Dupont Circle, Arlington, Alexandria, Silver Spring and the greater Washington area. Made for The Nation's Capital.

WashingtonTopRated / Home Security & Alarms / National Security, Inc.

National Security, Inc.

Name: National Security, Inc.
Telephone: (703) 273-5555
Rating: 4.7

★★★★½ 4.7 · 27 Google reviews · 10410 Main St

#21 in Home Security & Alarms

Rankings updated August 2026 from Google ratings and review volume

National Security, Inc. Is this your business? Claim it free

10410 Main St, Fairfax, VA 22030, USA

Call (703) 273-5555 Visit website

Why National Security, Inc. ranks here

National Security, Inc. holds a 4.7 star average across 27 Google reviews, which places it at #21 for home security & alarms in Washington on our rankings. Positions come from verified public ratings and review volume, refreshed monthly. See the full list on the Home Security & Alarms rankings page.

Are you a top-rated Washington pro?

Founding listings are free. We verify every business before it appears, so early businesses get the spotlight - your reviews, your services, and a direct line to customers searching in Washington right now.

Claim your free listing

Prefer to talk? Call or text (813) 454-0813.