Show me search results for:

You can change this selection at any time via the Accredited Business toggle on the search results page.

We use cookies to give users the best content and online experience. By clicking “Accept All Cookies”, you agree to allow us to use all cookies. Visit our Privacy Policy to learn more.

Cookie Preferences

Many websites use cookies or similar tools to store information on your browser or device. We use cookies on BBB websites to remember your preferences, improve website performance and enhance user experience, and to recommend content we believe will be most relevant to you. Most cookies collect anonymous information such as how users arrive at and use the website. Some cookies are necessary to allow the website to function properly, but you may choose to not allow other types of cookies below.

Necessary Cookies

What are necessary cookies?
These cookies are necessary for the site to function and cannot be switched off in our systems. They are usually only set in response to actions made by you that amount to a request for services, such as setting your privacy preferences, logging in or filling in forms. You can set your browser to block or alert you about these cookies, but some parts of the site will not work. These cookies do not store any personally identifiable information.

Necessary cookies must always be enabled.

Functional Cookies

What are functional cookies?
These cookies enable the site to provide enhanced functionality and personalization. They may be set by us or by third party providers whose services we have added to our pages. If you do not allow these cookies, some or all of these services may not function properly.

Performance Cookies

What are performance cookies?
These cookies allow us to count visits and traffic sources so we can measure and improve the performance of our site. They help us to know which pages are the most and least popular and see how visitors move around the site. All information these cookies collect is aggregated and therefore anonymous. If you do not allow these cookies we will not know when you have visited our site, and will not be able to monitor its performance.

Marketing Cookies

What are marketing cookies?
These cookies may be set through our site by our advertising partners. They may be used by those companies to build a profile of your interests and show you relevant content on other sites. They do not store personal information directly, but are based on uniquely identifying your browser or device. If you do not allow these cookies, you will experience less targeted advertising.
Better Business Bureau®
Resources for Businesses
Better Business Bureau
          Category: Security Guards

          Showing: 2,026 results for Security Guards
          near Castro Valley, CA

          Filter by

          Service Area

          Filter by

          Distance
          Categories
          BBB Rating
          State/Province
          Get Connected
          Sort By
          • Distance
          • Rating

          Onpatrol, Inc.

          Security Guards, Security Consultant, Personal Security Guard ...

          BBB Rating: A
          Service Area

          Serving the following areas:

          • Alameda County, CA
          • Contra Costa County, CA
          • San Francisco County, CA
          • San Mateo County, CA
          • Santa Clara County, CA
          • Sonoma County, CA
          Accredited BusinessAccredited Business
          (510) 999-5133

          PO Box 20573,
          Castro Valley, CA 94546-8573

          Golden Gate Security

          Security Guards

          Service Area

          Serving the following areas:

          • Hayward, CA
          not BBB accredited
          (510) 583-7543

          21565 Foothill Blvd,
          Hayward, CA 94541-2145

          Dove Security Services

          Security Guards, Personal Security Guard

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • San Leandro, CA
          not BBB accredited
          (510) 258-6933

          San Leandro, CA 94578

          CME Security Services

          Security, Security Guards, Security Consultant

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Alameda County, CA
          • Contra Costa County, CA
          Accredited BusinessAccredited Business
          (510) 992-0620

          14895 E 14th St Ste 330,
          San Leandro, CA 94578-2927

          Tactical Operations and Patrol

          Security Guards, Personal Security Guard

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Alameda County, CA
          • Contra Costa County, CA
          • Marin County, CA
          • Napa County, CA
          • San Francisco County, CA
          • San Mateo County, CA
          • Solano County, CA
          • Sonoma County, CA
          not BBB accredited
          (510) 200-4534

          Hayward, CA 94541-4841

          Garcia's Security Training

          Live Scan Fingerprinting, Notary Public Seals, Training Programs ...

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Alameda County, CA
          • Contra Costa County, CA
          • Marin County, CA
          • Napa County, CA
          • San Francisco County, CA
          • San Mateo County, CA
          • Solano County, CA
          • Sonoma County, CA
          not BBB accredited
          (510) 582-4200

          PO Box 910,
          San Lorenzo, CA 94580-0910

          American Guard Service, Inc.

          Security Guards

          Service Area

          Serving the following areas:

          • San Leandro, CA
          not BBB accredited
          (510) 895-9245

          2450 Washington Ave # 160,
          San Leandro, CA 94577

          ADT Security Services

          Burglar Alarm Systems, Smoke Alarm Systems, Security Systems ...

          BBB Rating: A+

          This rating reflects BBB's opinion about the entire organization's interactions with its customers, including interactions with local locations.

          View HQ Business Profile
          Service Area

          Serving the following areas:

          • Adjuntas, PR
          • Aguada, PR
          • Aguadilla, PR
          • Aguas Buenas, PR
          • Aguirre, PR
          • Aibonito, PR
          • Anasco, PR
          • Angeles, PR
          • Arecibo, PR
          • Arroyo, PR
          • Atlantis, FL
          • Aventura, FL
          • Avon Park, FL
          • Bajadero, PR
          • Bal Harbour, FL
          • Barceloneta, PR
          • Barefoot Bay, FL
          • Barranquitas, PR
          • Barrio Obrero, PR
          • Basinger, FL
          Accredited BusinessAccredited Business
          (888) 238-2727

          1660 & 1668 Factor Ave,
          San Leandro, CA 94577

          Crossland's Investigative & Security Services

          Investigator, Security Guards, Personal Security Guard

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Alameda County, CA
          • Contra Costa County, CA
          • Marin County, CA
          • Napa County, CA
          • San Francisco County, CA
          • San Mateo County, CA
          • Solano County, CA
          • Sonoma County, CA
          Accredited BusinessAccredited Business
          (510) 888-1124

          PO Box 1074,
          San Leandro, CA 94577-0123

          Security Systems Management, Inc.

          Security Guards

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Alameda County, CA
          • Contra Costa County, CA
          • Marin County, CA
          • Napa County, CA
          • San Francisco County, CA
          • San Mateo County, CA
          • Solano County, CA
          • Sonoma County, CA
          not BBB accredited
          (510) 754-2845

          249 W Jackson St STE 355,
          Hayward, CA 94544-1811

          Garcia's Security Training

          Live Scan Fingerprinting, Notary Public Seals, Training Programs ...

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Alameda County, CA
          • Contra Costa County, CA
          • Marin County, CA
          • Napa County, CA
          • San Francisco County, CA
          • San Mateo County, CA
          • Solano County, CA
          • Sonoma County, CA
          not BBB accredited
          (510) 582-4200

          777 Southland Dr 220,
          Hayward, CA 94545-1539

          All About Security Agency

          Security Guards, Personal Security Guard

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Alameda County, CA
          • Contra Costa County, CA
          • Marin County, CA
          • Napa County, CA
          • San Francisco County, CA
          • San Mateo County, CA
          • Solano County, CA
          • Sonoma County, CA
          not BBB accredited

          14731 Catalina St,
          San Leandro, CA 94577-6609

          San San Security

          Security Guards

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Alameda County, CA
          not BBB accredited
          (650) 636-7901

          Oakland, CA 94603-2911

          International Protective Service, Inc. (IPS)

          Security Guards, Burglar Alarm Systems, Security System Monitors ...

          BBB Rating: A+

          This rating reflects BBB's opinion about the entire organization's interactions with its customers, including interactions with local locations.

          View HQ Business Profile
          Service Area

          Serving the following areas:

          • AZ
          • CA
          • CO
          • DC
          • FL
          • NC
          • NM
          • NV
          • OR
          • TN
          • TX
          • UT
          • WA
          Accredited BusinessAccredited Business
          (505) 897-2420

          1475 Doolittle Drive,
          San Leandro, CA 94577

          Five Star Event Staffing and Security Services

          Security Guards, Security Consultant

          BBB Rating: A+
          Service Area

          Serving the following areas:

          • Alameda County, CA
          • Contra Costa County, CA
          • Marin County, CA
          • Napa County, CA
          • San Francisco County, CA
          • San Mateo County, CA
          • Solano County, CA
          • Sonoma County, CA
          not BBB accredited
          (510) 686-1117

          7922 International Blvd,
          Oakland, CA 94621-2616

          Related Categories

          Accreditation and Ratings Overview

          Accredited BusinessAccredited Business

          Select businesses earn BBB Accreditation by undergoing a thorough evaluation and upholding the BBB Accreditation Standards.

          A+

          BBB assigns ratings from A+ (highest) to F (lowest). In some cases, BBB will not rate the business (indicated by an NR, or "No Rating") for reasons that include insufficient information about a business or ongoing review/update of the business's file.

          Didn't find the business you were looking for?

          If the business you're looking for isn't in our directory, submit a request to have it added.