Finding Land to Build Your House On Deciding to build a custom home may seem like a dream come true, and it is! But finding land for sale isn’t as easy as finding a for sale sign in someone’s front yard is. Keeping an eye out on real-estate websites is one way that you can try and find available land to build your house on. However, the best plots usually aren’t advertised on sites like these. There are some real estate agents that specialize in this exact process and can help find land to build your house on with ease.