Can a neighbor ask for a foundation wall removal on my house sitting on his lot for almost a century? In other words, is it a must for me to negotiate the encroachment with the neighbor or I can let it go and enjoy the ownership?

Can a neighbor ask for a foundation wall removal on my house sitting on his lot for almost a century? In other words, is it a must for me to negotiate the encroachment with the neighbor or I can let it go and enjoy the ownership?
Last edited by ozlaw; 05-26-2011 at 10:43 AM.