In most cases, it is not necessary to file a police report for a car accident that occurs on private property. However, there are a few factors to consider. If there are injuries or significant property damage, it is recommended to contact the police and file a report, regardless of where the accident took place. This is especially important if you plan to file an insurance claim. Having a police report can provide documentation of the incident and help determine fault. Additionally, some insurance companies may require a police report to process a claim. It's best to check with your insurance provider to understand their specific requirements. If there are no injuries and the damage is minor, you may not need to involve the police. In such cases, you can exchange information with the other party involved, take photos of the damage, and notify your insurance company about the accident. Remember to document the incident thoroughly by taking pictures, gathering witness statements, and obtaining the other party's contact and insurance information. This will help support your claim and protect your interests. Keep in mind that laws and regulations regarding police reports for car accidents may vary by jurisdiction, so it's always a good idea to consult with local authorities or legal professionals for specific guidance.