Contact Us
How Can We Help?
Are you interested in a new security system? Have questions? Need help with your current system? Just give us a call or email.
623 S Lyons Ave Ste 300
Sioux Falls, SD 57106
Phone: 605-339-0575
Email: info@fosssecurity.com
Office Hours:
| Monday | 8:00 am to 5:00 pm |
| Tuesday | 8:00 am to 5:00 pm |
| Wednesday | 8:00 am to 5:00 pm |
| Thursday | 8:00 am to 5:00 pm |
| Friday | 8:00 am to 3:00 pm |
* consultation by appointment only