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1st Class PI Process Service & Investigations

(720) 621-1479
1st Class PI Process Service & Investigations

1st Class PI is a top-notch process service firm located in Colorado. We pride ourselves in our attention to detail with each and every case. We are experienced in the state and understand the local laws so that your case can continue without delay. Give us a call today to discuss your investigation, we are here to help!


  • Process Service
  • Background Checks
  • Child Custody
  • Divorce
  • Infidelity Investigations
  • Insurance Investigations
  • Personal Investigations
  • Skip Trace
  • Surveillance

Service Guarantee

Confidential Services

Areas of Coverage

  • Statewide Colorado
  • Evergreen, CO
  • Aspen Park, CO
  • Wheat Ridge, CO
  • Golden, CO
  • Lakeside, CO
  • Edgewater, CO
  • Mountain View, CO
  • Morrison, CO
  • Conifer, CO
  • Lakewood, CO
  • Indian Hills, CO
  • Arvada, CO
  • Littleton, CO


  • PInow
  • Professional Private Investigators Association Of Colorado (PPIAC)

Member Info

1st Class PI
(720) 621-1479
10799 W Alameda Ave, Unit 150904
Lakewood, CO 80226

The Lawgical Promise The Lawgical Promise guarantees this member has been pre-screened to verify their qualifications.

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Service Guarantee

Office Location

10799 W Alameda Ave, Unit 150904
Lakewood, CO
(720) 621-1479