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*The Angi rating for Land Surveying companies in Erin, TN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Land Surveying needs.

*The HomeAdvisor rating for Land Surveying companies in Erin, TN is a rating based on verified reviews from our community of homeowners who have used these pros to meet their Land Surveying needs.

Last update on November 15, 2025

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Land Surveying questions, answered by experts

A land survey includes the layout of a single property, including precise measurements and to-scale drawings of boundary lines, land improvements, and sometimes other features, like topography and drainage information. A plat map includes the layouts and boundary lines of several adjacent plots and basic structure measurements. Surveys are normally more valuable for homeowners and buyers, and plat maps are for governmental use.

There are a couple of ways you can determine the depth of your well. One method is to use a device called a well sounder. This tool has a long measuring tape containing a sensor to alert you once the end reaches the water. 

Or you can DIY it by using a long tape measure with a half-filled bottle of water attached to it. Lower the tape measure into your well. Once you feel tension on the tape, you’ll know the bottle has reached your static water level. This will give you an approximate idea of your well’s depth.

You should always calculate real estate development costs on a case-by-case basis, so there’s no specific formula to estimate your total. You should speak with a local construction manager to see what you’ll need to do in terms of clearing and leveling the land, connecting utilities, and pulling permits for construction. A professional will be able to get you an accurate estimate for land development.

Depending on the type of land survey, the report will mark the boundaries of your property, the topographical changes of the landscape, as well as major natural and added structures to the plot. A more detailed survey, like an as-built survey, will note the measurements of the structures and landscape following major construction. A topographic survey will also help your contractor determine the cost of land development projects.

Land surveys don’t technically expire. They do serve as a point of reference and a snapshot of your property, though, so as soon as you make changes to your property (and even if your neighbor makes certain changes to theirs), your existing land survey becomes inaccurate, and a new one must be done. Even if you don’t make any changes to your property, many states only guarantee the accuracy of a land survey for five to ten years.

The Erin, TN homeowners’ guide to land surveying services

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