Which Seattle areas do you patrol?

We patrol commercial and multifamily property across the city, including Downtown, SODO, Georgetown, Interbay, Ballard, the University District, and Northgate.

Can patrols handle lock-up and unlock services?

Yes. Scheduled lock and unlock, gate closures, and alarm set or disarm can be built into a Seattle patrol route.

Are your Seattle Patrol Officers unarmed?

Yes. Diligence Security fields unarmed, de-escalation-trained Officers. Our Officers document, deter, and coordinate with law enforcement rather than escalating.

Seattle, Washington skyline in the Diligence Security Mobile Patrol service area

Mobile Patrol — Seattle

Mobile Security Patrols in Seattle, WA

Marked-vehicle patrols with randomized timing for Seattle commercial, industrial, and multifamily property — verified by GPS on every pass.

Request Coverage (253) 227-3565

Seattle property owners rarely need a Officer standing in the lobby all night — they need the property to look watched and to actually be checked. Mobile Patrol is the most cost-efficient way to achieve both, provided the patrols are unpredictable and provably performed.

Why randomization matters in Seattle

The people who target commercial property here study routine. A patrol that arrives at 11:15 every night is a published schedule of when the property is safe to hit. We vary arrival times, entry points, and route order on every pass, and Supervisors audit the GPS record to make sure the randomization is real.

Built for Seattle's property mix

SODO and Georgetown warehouses, yards, and fleet parking
Downtown and Belltown parking structures and lobbies after hours
Multifamily communities with garage and mailroom exposure
Retail rows in Ballard, Fremont, and the U District
Construction sites needing overnight deterrence

Documented, defensible reporting

Every check produces a timestamped record with observations and photos. That documentation matters for insurance, for tenant communication, and for building the case history you need if a pattern of trespass turns into a legal matter — see our guide to Washington trespass law for property owners.

Explore Mobile Patrol, our Seattle service area, and 24/7 Emergency Response.

Proven in the field

Deployments Behind This Service

Non-profit Healthcare Network

Multi-site Healthcare Coverage That Lowered Use-of-Force Incidents

The Situation: A non-profit healthcare organization with five health centers and an administration building across Pierce County had inherited a security program from a previous provider that leaned on physical intervention. Staff were absorbing the stress of unpredictable encounters in patient areas, entryways, and parking structures.
Our Response: Diligence Security took over the program with a layered model: posted On-site Officers at the highest-traffic facilities, roaming Mobile Patrols connecting the remaining sites, and 24/7 emergency response for escalations after hours. Every Officer assigned to the account completes our Officer Integration Program, where verbal de-escalation and disciplined decision-making are trained well beyond the state minimum.
The Outcome: Use-of-force incidents dropped dramatically compared with the previous security company, and criminal activity on the properties was reduced. Just as importantly, the organization's employees report a markedly better sense of security while they work. This remains our longest-standing Client relationship.

“We have been very satisfied with Diligence Security's excellent service and rapid response. Their Officers are professional, provide a visible deterrent, and have been a proactive partner in improving communication, reporting, and security awareness across our locations.”
Letter of recommendation, Non-profit Healthcare partner — Pierce County, WA

Multifamily Apartment Community

Emergency Standby Coverage During a Serial Arson Threat

The Situation: An apartment community was targeted by an arsonist setting fires in rapid succession, leaving residents exposed and building systems compromised while ownership scrambled for contractors.
Our Response: Diligence Security deployed Officers on an emergency basis and held continuous coverage of the affected buildings — watching the vulnerable areas, documenting each round, and giving management and residents a visible presence during the highest-risk hours.
The Outcome: Coverage was sustained without interruption until the necessary repairs were completed and the property could stand on its own systems again. The deployment gave management a documented record of the response for its insurer and residents.

Protect your people with a Team you can trust and verify.

Request a professional site evaluation or immediate emergency deployment. Local Supervisors respond fast across the Puget Sound.

Request Coverage (253) 227-3565

Seattle Mobile Patrol Questions

Which Seattle areas do you patrol?: We patrol commercial and multifamily property across the city, including Downtown, SODO, Georgetown, Interbay, Ballard, the University District, and Northgate.
Can patrols handle lock-up and unlock services?: Yes. Scheduled lock and unlock, gate closures, and alarm set or disarm can be built into a Seattle patrol route.
Are your Seattle Patrol Officers unarmed?: Yes. Diligence Security fields unarmed, de-escalation-trained Officers. Our Officers document, deter, and coordinate with law enforcement rather than escalating.