Top 10 Home Security in Washington, DC
Quick Answer
Top: Ultra Guard Security Systems (4.9), N & D Security (4.9), Guardian Protection - Baltimore & Washington DC (4.5)
1
Ultra Guard Security Systems
7600 Lindbergh Dr A, Gaithersburg, MD 20879, USA
Licensed & InsuredTop Rated
Services: Home Security
2
N & D Security
4625 Old Dominion Dr # 101, Arlington, VA 22207, USA
Licensed & InsuredTop Rated
Services: Home Security
3
Guardian Protection - Baltimore & Washington DC
9125 Guilford Rd, Columbia, MD 21046, USA
Licensed & InsuredTop Rated
Services: Home Security
4
Poseidon Systems, Inc
7307 Macarthur Blvd #208, Bethesda, MD 20816, USA
Licensed & Insured
Services: Home Security
5
Security Camera Installation Service & IT Service DMV
675 H St NW, Washington, DC 20001, USA
Licensed & Insured
Services: Home Security
6
True Protection Home Security Systems Washington
1101 30th St NW STE 500, Washington, DC 20007, USA
Services: Home Security
7
National Security, Inc.
10410 Main St, Fairfax, VA 22030, USA
Services: Home Security
8
Splaine Security Systems, Inc.
3829 Plyers Mill Rd, Kensington, MD 20895, USA
Services: Home Security
9
Custom Security Systems, Inc.
690 Oak Villa Blvd, Baton Rouge, LA 70815, USA
Services: Home Security
10
Washington DC Security
305 Hamilton St NW #11, Washington, DC 20011, USA
Services: Home Security
How We Ranked These Washington Pros
Our rankings are based on a weighted evaluation of five key factors:
- Licensing & Insurance — All listed businesses hold active state licenses verified through official databases.
- Customer Reviews — We aggregate ratings from Google, Yelp, and the BBB, weighting recency and review volume.
- Response Time — Companies offering same-day or 24/7 emergency service score higher.
- Pricing Transparency — Businesses who offer flat-rate pricing or free estimates rank above those with opaque billing.
- Experience & Longevity — Years serving the Washington market and breadth of services factor into overall reliability.
Rankings are reviewed quarterly. Have a correction? Contact us.
Frequently Asked Questions
Best home security in Washington?
Top rated: Ultra Guard Security Systems (4.9), N & D Security (4.9), Guardian Protection - Baltimore & Washington DC (4.5).