How to Choose a Residential Land Surveyor on the Central Coast Any time you build or extend, you will need a land surveyor. Your architect will use it to fit their design into, and you're builder will use it so they know where to build. This is the most common reason people come to us for a survey but other reasons might be that you're buying a property and your lender wants to confirm the boundaries of the land, or you might be installing a new fence and want to know where the boundary is, or you want to redefine…