Certified by Guardian Security Agency • Apr 26, 2026
Security Guard ServiceSecurity Service
Guardian Security Agency, established in 1992 in Antioch, CA, provides reliable onsite security services for commercial property, including construction site security and factory security services. We specialize in motel security services and hotel security, delivering tailored solutions for various business needs. Our residential security and patrol services offer peace of mind for homeowners. As a trusted security agency, we focus on protecting your assets with professional, attentive guards. Whether managing a construction site or a commercial facility, Guardian Security Agency ensures safety and compliance. Contact us today to secure your property with experienced, local security experts.
Details
Onsite servicesAvailable
Location
Certified by Guardian Security Agency • Apr 26, 2026
Certified by Guardian Security Agency • Apr 26, 2026
Monday8:00 AM - 5:00 PM
Tuesday8:00 AM - 5:00 PM
Wednesday8:00 AM - 5:00 PM
Thursday8:00 AM - 5:00 PM
Friday8:00 AM - 5:00 PM
SaturdayClosed
SundayClosed
Reviews
4.0
23 reviews
5 stars
16
4 stars
1
3 stars0
2 stars
2
1 star
4
CZ
Crystal Zaragoza
Aug 21, 2025
5.0
A family owned business that cares about their employees and their clients !
The Owners are very proactive and hands on!
The Managers and Supervisors are super attentive and fast responding!
And the Guards are very kind and professional!
Frequently Asked Questions About Guardian Security Agency
What services does Guardian Security Agency provide?
Guardian Security Agency offers on-site security and patrol services to enhance the safety of commercial properties and residential communities.
Where is Guardian Security Agency located?
Guardian Security Agency is located at 1820 Galindo Street, Concord, CA 94520, United States.
What are the operating hours of Guardian Security Agency?
The agency operates Monday through Friday from 8:00 AM to 5:00 PM and is closed on weekends.
How can I contact Guardian Security Agency?
You can reach Guardian Security Agency by phone at +1 925-356-3034 or email at heather@guardiansecurityagency.com.
Since when has Guardian Security Agency been in business?
Guardian Security Agency has been in business since 1992, with more than 40 years of combined experience among its security officers.
Does Guardian Security Agency provide services only in Concord, CA?
No, Guardian Security Agency serves multiple areas including Antioch, Brentwood, Concord, Discovery Bay, Martinez, Moraga, Orinda, Pacheco, Pittsburg, Pleasant Hill, and Walnut Creek in California.
What nearby community services can customers find around Guardian Security Agency?
Near Guardian Security Agency, customers can find the Veterans Accession House, which provides accommodation and community services.
Are there professionals related to legal services near Guardian Security Agency?
Yes, nearby legal service providers include Wahida Noorzad Attorney at Law specializing in immigration and family law, and the Law Offices of C. Antonio Delgado focusing on immigration law.
What options are available nearby for real estate and home improvement services?
Customers can visit BA Golden State Homes, which offers real estate and home improvement services, or Realoq Inc and Liz Fuentes Realtor for real estate assistance close to Guardian Security Agency.
How can nearby banks assist customers visiting Guardian Security Agency?
Nearby banks like Bank of America and Wells Fargo Home Mortgage can assist customers with financial services, including mortgages, which may complement security needs for property owners.
Brand Certified Facts from Guardian Security Agency
This information is certified by Guardian Security Agency and published from the brand's official system of record. Data is distributed through an enterprise-grade knowledge management platform. Learn more about our data sources
Certified April 26, 2026Yext Knowledge Graph
Address
Categories
Geo coordinates
Legal business name
Hours of operation
Phone number
Official website
Syndication Network
Approved business data is pushed to 100+ publishers, including: