01 / On-siteOn-site officers
Uniformed standing and seated posts — lobbies, gates, front desks and access control, staffed to your hours.
Licensed private security · North County San Diego
Presence you can prove.
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Licensed officers and marked patrol, trained to the BSIS standard and verified on site every shift.
Our services →AboutTrusted protection for
Trusted protection for
North County San Diego.
One Shield is a licensed private security firm based in Carlsbad. Since 2018 we've combined carefully hired officers, marked patrol and accountability you can verify — protecting what matters, and keeping it that way.
2018Serving North County San Diego since
24/7Dispatch and verified on-site presence
BSISEvery officer trained & certified
#121263California PPO · licensed & insured
Services
Coverage built around your site.
On-site officers, marked patrol, fire watch and event security — staffed to your property and confirmed every hour.
Scroll →01 / On-site
02 / PatrolMarked patrol
Marked-vehicle patrol and after-hours alarm response across one property or many, on a randomized schedule.
03 / Fire watchFire watch
Overnight site protection, equipment and material loss prevention, and compliant fire-watch coverage.
04 / EventsEvent security
Crowd management, access control and a visible, professional deterrent for venues and events.
Coverage
Watching over
Watching over
North County.
Carlsbad-based and locally responsive. Marked units cover the coast and inland — from Oceanside to Del Mar, and everywhere between.
OceansideCarlsbadVistaSan MarcosEscondidoEncinitasRancho Santa FeDel Mar
Training
Vetted before the badge.
We hire for judgment, then train for the site. Presence you can prove starts with the person behind the badge.
- 01
Background & vetting
Every officer is screened and verified before a single shift is worked.
- 02
BSIS standard
Guard Card certified and trained to California BSIS requirements.
- 03
Site-specific briefing
Post orders, escalation paths and a full site walk before deployment.
- 04
Ongoing accountability
Supervisor spot-checks and time-stamped check-ins logged on every patrol.
Contact
Need eyes on
Need eyes on
your property?
Tell us about your site and we'll put together a straightforward quote. 24/7 dispatch — we respond within the hour.