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# ASG Security | San Antonio - San Antonio Top Rated

[SanAntonioTopRated.com](/)

Proudly serving **Alamo Heights, Stone Oak, Helotes, Boerne, Schertz, New Braunfels** and the greater San Antonio area. **Made for The Lone Star State.**

[SanAntonioTopRated](/) / [Home Security & Alarms](/home-security/)

# ASG Security | San Antonio

★★★★½ 4.7 · [27 Google reviews](https://www.google.com/maps/place/?q=place_id:ChIJ3bGBuS6LXIYRIclsgINXCxo) · 3300 Nacogdoches Rd #250

[#20 in Home Security & Alarms](/home-security/)

Rankings updated October 2026 from Google ratings and review volume - not paid placement

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3300 Nacogdoches Rd #250, San Antonio, TX 78217, USA

[Call 210-564-2600](tel:+12105642600)

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## Why ASG Security | San Antonio ranks here

ASG Security | San Antonio holds a 4.7 star average across 27 Google reviews, which places it at #20 for home security and alarm companies in San Antonio on our rankings. Positions come from verified public ratings and review volume. See the full list on the [Home Security & Alarms rankings page](/home-security/).

★★★★½ 4.7 average from [27 Google reviews](https://www.google.com/maps/place/?q=place_id:ChIJ3bGBuS6LXIYRIclsgINXCxo). No individual customer quotes on file yet.

No photos on file yet.

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Prefer to talk? Call or text the Top Rated directory on [(813) 454-0813](tel:+18134540813). This is our number, not the number of any business listed here.