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NorthStar Investigations Service Inc.

(914) 438-3116
NorthStar Investigations Service Inc.


Mention PInow to receive: New Client Offer: Retain 3 days surveillance at 8 hour minimum per day, received 6 hours free. Any new retained assignment will automatically received a $10 per hour discount on all hours conducted throughout the same investigation.

NorthStar Investigations Inc. works diligently to get to the bottom of each case. We strive to find the best solutions and provide the highest quality service available.
With 23 years experience, 17 of those years conducting full time investigations in New York City followed by throughout the state of Florida; and over 3500 investigations conducted total, Mike J. Calnan has gained an exceptional reputation in this business.
Working from a smaller scale/sized company, this allows 100% attention to the client, per case, and direct contact from the field throughout.

Surveillance is our specialty. And NSI Inc. has the right tools to get the job done. From daytime too night vision cams, a wide range of covert hidden video cams and the ability to adapt to any environment out there.

Domestic/cheater surveillance investigations produce the video evidence that is sought.

Insurance Fraud investigations we conduct produce the video evidence to close the claim.

As opposed to most Private Investigators out there who come from other fields or retire into this field, Mike J at NSI has been embedded full time for 23 years conducting surveillance and investigations; a Career P.I. that will get results.


  • Background Checks
  • Domestic
  • Due Diligence
  • Fraud
  • Infidelity / Cheating Spouse
  • Insurance
  • Missing Persons
  • People Locate / Skip Trace
  • Social Media
  • Surveillance
  • Workers Compensation

Service Guarantee

Communication with the client is of the utmost priority. Keeping the client in the loop with regard to budget awareness and daily progress keeps the investigation fresh throughout.

Our service guarantee promises that if the communication is not satisfactory, 10% will be reduced from the fee.

Areas of Coverage

  • Statewide Florida
  • Statewide New York


  • PInow

Contact Info

Mike J. Calnan
(914) 438-3116
712 SW Munjack Circle
Port St Lucie, FL 34986

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

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Special Offer

Office Location

712 SW Munjack Circle
Port St Lucie, FL
(914) 438-3116

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