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      • Property and Evidence Inquiry
      • Report Alcohol and Tobacco Sales to Minors
      • Report Illegal Drug Activity Anonymously
      • Report Suspicious Gambling, Massage Parlors, and Sexually Oriented Businesses
      • Report a Traffic Complaint
      • Trespass Affidavit
      • Vacation Watch Request
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​Accident Investigation Unit

Members of the Accident Investigation Unit are trained investigators in the forensics of vehicular accidents and respond to crash scenes involving fatalities or major injuries.  The members of this unit collect evidence at the scene, using the latest tools and equipment available in the market. They work diligently to reconstruct the accident and prepare court ready data-books and file any related criminal charges arising from the collision.  This unit is made up of patrol deputies that attend hundreds of hours of specialized training each year to qualify and stay informed of new equipment and techniques.  The unit was awarded the Constable’s Unit Citation in 2017 for their dedication and hard work in investigating major motor vehicle crashes and filing several murder and manslaughter charges.
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Harris County Precinct 4, Office of Constable Mark Herman
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Harris County Precinct 4
​Constable's Office
6831 Cypresswood Dr.
Spring, TX 77379

832-927-6200
The information contained in this site was valid at the time of posting. Harris County assumes no liability for damages incurred directly or indirectly as a result of errors, omissions or discrepancies. Moreover, Harris County is not responsible for the content nor endorses any site which has a link from this page. For additional information please review our Privacy Policy and our Accessibility Statement. Harris County Precinct 4 Constable's Office is an Equal Opportunity Employer.
Harris County Constable Precinct 4

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  • PCT4 HOME
    • About Precinct 4
    • In Memoriam
    • Office of the Constable >
      • Meet the Constable
      • Command Staff
      • Internal Affairs Unit
      • Budget & Procurement
    • Mission, Vision, Values, and Goals Statement
    • History of Texas Constables
    • Contact Us
  • DIVISIONS & UNITS
    • Patrol Bureau >
      • Patrol Division
      • Parks Division
      • Toll Road Division
      • K-9 Unit
      • Special Operations Unit
      • Accident Investigation Unit
      • High Water Rescue Unit
      • Reserve Division
    • Support Services Bureau >
      • Criminal Investigations Division >
        • Domestic Violence Unit
        • High Tech Crimes Unit
        • Regulatory Enforcement Unit
        • Environmental Crimes Unit
        • Special Contract Support Unit
      • Civil and Writs Division
      • Courthouse Operations
      • Training and Recruiting
      • Warrants Division
    • Administrative Command >
      • Technical Services
      • Communications Center
      • Property & Evidence
      • Records & Public Information
  • COMMUNITY INVOLVEMENT
    • National Night Out
    • Contract Deputy Program
    • Commend a Deputy
    • Get Involved >
      • Careers
      • Explorer Program
      • Citizen's Police Academy
      • Crime Stoppers
      • Stop Houston Gangs
    • Services Offered >
      • Business Security Check Request
      • Citizen Property Inventory System - Report It
      • Extra Patrol Request
      • Fingerprinting Services
      • Open Records Request
      • Property and Evidence Inquiry
      • Report Alcohol and Tobacco Sales to Minors
      • Report Illegal Drug Activity Anonymously
      • Report Suspicious Gambling, Massage Parlors, and Sexually Oriented Businesses
      • Report a Traffic Complaint
      • Trespass Affidavit
      • Vacation Watch Request
    • File a Complaint
  • HELPFUL INFORMATION
    • Open Records Request
    • Leanne (DWI) Report
    • Alarm Permits
    • Crime and Sex Offender Map
    • Crime Victim Information
    • Harris County Flood Warning System
    • Helpful Links
    • Scam Alert
    • Traffic & Roadways
    • Two Step One Sticker
    • Victim Information and Notification Everyday
    • Weather & Alerts
    • Business Security Check Request
  • Join Pct4
    • Careers
    • Training