To my knowledge, police only have to have a valid warrant. They need not actually show it to you.
The response above is not intended as legal advice. This response is for educational purposes only. I have not met with you and I am not knowledgeable about the specific details of your case. Each case is unique and different. Therefore, it is highly recommended that you contact and meet with a licensed criminal defense attorney to discuss your specific circumstances. In addition, an attorney-client relationship is not created by virtue of this response.
They should have put a copy in your property or left a copy in your house.
The information provided in this answer does not create an attorney-client relationship and is not considered to be legal advice.