SiteCity Business Directory

Security Systems

Los Angeles

55 businesses listed, showing 1–40. How we order them.

Looking for security systems in Los Angeles? This page lists 55 businesses, and every one has a phone number on file, so you can start calling right away. Twenty-six also list a website, giving you a way to check services before you dial. Zip 91311 has the heaviest concentration with 9 listings, while zips like 90015, 90045, and 90046 each hold just one.

More about security systems in Los Angeles ↓

None of these listings show a Sponsored tag right now, since paid placement for this category hasn't launched in Los Angeles, so the order reflects entry order, not a ranking of who to contact first. Call two or three that fit your area and budget, and lean on the website links to narrow things down. If you own one of these businesses and your listing is missing a website, you can claim it and fill in the gap yourself, which helps most in those single-entry zips where callers have fewer names to compare.

Security Systems in Los Angeles by the numbers

SiteCity lists 55 businesses under Security Systems in Los Angeles, CA, as of November 4, 2026. 55 list a phone number and 49 list a website.

Most-listed ZIP codes: 91311 (9), 90025 (3) and 91403 (3).

Listings come from Overture Maps Foundation places data (release 2026-08-19.0, which includes Foursquare OS Places) and from businesses added or updated through SiteCity. How we count.

Listings40

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