Diligence Security logo – providing reliable On-site Security and Mobile Patrols across King, Pierce, Snohomish, Kitsap, and Thurston Counties.
Diligence Security
View of the Port of Tacoma and Commencement Bay with Mount Rainier in the background, representing the Diligence Security service area.

Where We Work

Serving the greater Puget Sound

Mobile Patrol Officers, dedicated On-site Security Officers, and certified Emergency Fire Watch Officers across King, Pierce, Snohomish, Kitsap, and Thurston Counties — and most of Western Washington.

Request Coverage(253) 227-3565

Cities We Serve

Local coverage across Western Washington

Diligence Security provides Mobile Patrol Officers, On-site Security Officers, and Emergency Fire Watch Officers throughout King, Pierce, Snohomish, Kitsap, and Thurston Counties — and across most of the greater Puget Sound.

Every city listed below has a dedicated local page — click any city to see how our Officers cover it.

Service Areas

Five counties, fifteen cities, one local team

Counties

Pierce County · King County · Snohomish County · Thurston County · Kitsap County

Cities

Puyallup · Tacoma · Seattle · Bellevue · Kent · Auburn · Everett · Lakewood · Renton · Federal Way · Olympia · Bremerton · Lynnwood · Lacey · Bonney Lake

Pierce County
Tacoma Puyallup Lakewood Sumner Bonney Lake Fife University Place Gig Harbor Spanaway Parkland Milton Edgewood Fircrest Steilacoom DuPont
King County
Seattle Bellevue Renton Federal Way Kent Auburn Shoreline Kirkland Redmond Tukwila SeaTac Burien Issaquah Sammamish Mercer Island Woodinville Bothell Des Moines White Center North Bend Snoqualmie
Snohomish County
Everett Snohomish Edmonds Lynnwood Marysville Mukilteo Monroe Arlington Granite Falls Lake Stevens Mill Creek Mountlake Terrace Smokey Point Stanwood Sultan Tulalip Bay
Thurston County
Olympia Lacey Tumwater Yelm North Yelm Rainier Rochester Grand Mound Nisqually Tanglewilde Tenino Bucoda Centralia
Kitsap County
Bremerton Bainbridge Island Poulsbo Silverdale Port Orchard Kingston Manchester Suquamish
Commercial & Industrial
Port of Tacoma SODO Kent Valley Fife Industrial JBLM Logistics Bremerton Shipyard Sumner Warehouse Auburn Distribution

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