Grate Detections Private Investigator Services

Grate Detections offers private investigations, process serving, private patrol, drug testing, fingerprinting and more under one roof, and is licensed in Nevada, California and Arizona. Our licenses cover private investigations, process serving and private patrol. We also offer mobile drug testing and mobile fingerprinting. We come to you and test for pre-hire, post-accident and reasonable-suspicion cases, using urine and hair tests along with 80-hour alcohol testing. We also offer LiveScan fingerprinting.

ThreeBestRated 2025 award badge: Best Private Investigation Service in Reno, Top 3 Choices
Grate Detections Reno: 2025 Best Private Investigation Services

Grate Detections Services Offered

Select a service to open its page:

About Reno Private Investigator Dustin Grate

Dustin Grate is the owner of Grate Detections, LLC. He is licensed for private investigations, process serving and private patrol, and holds Nevada PILB license 1782, California PI license 188095 and Arizona PI license 1766007.

Dustin’s training includes criminal justice classes, POST certificates and psychology classes. He has continued his education at the University of Nevada, Reno, Western Nevada College and Truckee Meadows Community College.

Read more about our private investigation services in Northern Nevada.

What our clients say

“Dustin and Grate Detections are our go-to for a multitude of tasks. We have utilized him for everything from process service, drug testing, and investigation to background checks. Always quick to respond and gets the job done in a timely fashion.”

Jen Salisbury, Google review

“I have used Dustin for years. He is always professional, responsive and a pleasure to work with. If you need anything from legal documents served, investigative work performed, or drug testing, look no further! Dustin and Grate Detections will take care of you.”

Amy Doster, Google review

“Grate Detections is the private investigator our law firm trusts for every case. Their investigators deliver professional, thorough work on everything we need, including background checks, witness locates, surveillance, and evidence gathering for litigation. Their reports are detailed, court-ready, and always delivered on time. I highly recommend Grate Detections.”

Marshall L., Yelp review

“The law firm I work for has used Grate Detections for a range of services from document service to investigations / interviews. He is very responsive and has done great work for us. His work for our firm has taken place across the state, including Washoe County, Clark County, and White Pine County as well. Very professional, very knowledgeable, and I would absolutely recommend his services.”

Teri D., Yelp review

Read all reviews on Google · Read reviews on Yelp

Call (775) 691-6527