* "My house is yours" (meaning you can use it, it's available to you) would be: "Mi casa es tuya" (formal) or "Mi casa es tuya" (informal).
* "My house is like your house" (meaning they share some similarities) would be: "Mi casa es como la tuya."
* "My house is in your city" (meaning it's located in the same city as you) would be: "Mi casa está en tu ciudad."
Please provide more context, and I can give you a more accurate translation! 😊