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1st Class PI

(720) 621-1479
1st Class PI

1st Class PI is a top-notch private investigation firm located in Colorado. We pride ourselves in our attention to detail with each and every case. Give us a call today to discuss your investigation, we are here to help!


  • Background Checks
  • Infidelity / Cheating Spouse
  • Missing Persons
  • Process Service
  • People Locate / Skip Trace
  • Social Media
  • Surveillance

Service Guarantee

Confidential Services

Areas of Coverage

  • Nationwide
  • 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)

Contact 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.

E&O Insured
Visa, MasterCard, Discover, American Express, Check
Service Guarantee
1 Recommendation

Office Location

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