Security Numbers Oak Tree Gatehouse Phone: 972-713-9951 Innovative Security Service (Security staffing and gate vendor) Ohlen Sapp, President Ohlen's Cell phone: 214-529-5848 Ohlen's E-mail: innovativesecurity@mac.com Police Reports Filed in the Area Click here to see City of Dallas Police Reports filed in this area. Oak Tree Security Alerts Click here for the latest security news. Safety Tips Do not park on the street Keep your car locked Do not leave valuables in your car Keep your garage doors closed Remove the emergency release cord on your garage door opener Keep your home's doors locked at all times Remember to turn on your home's alarm when you leave Notify a HOA Board member if you see anything suspicious Place a hold on your mail when you're on vacation Let your neighbors know when you're away