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*The Angi rating for Land Surveying companies in Washington, NH 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 Washington, NH 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 December 07, 2025

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Land Surveying questions, answered by experts

If a buyer pays for a survey, the surveyor they hired will only provide results to them. It’s up to the buyer whether they share the survey results with the seller or not, even if they ultimately walk away from the deal. It’s considered good faith to share the results with the seller, though, especially if you back out of the deal, as the seller can then provide that survey to future interested parties.

Building a road on a slope requires careful planning and will normally require a drainage system underneath to prevent flooding and damage to the road over time. Your professional may lengthen your road to create switchbacks if the slope directly to your home is too steep, as there are regulations for maximum road slope. The drainage system will help prevent runoff from the higher side of the slope from damaging the asphalt or concrete. Keep in mind that building a road on a slope isn’t a good DIY project, as a lot can go wrong.

A few different types of land surveys can help determine certain features and boundaries of your property. These include:

  • Boundary surveys describe the actual borders of a property. These are generally required when trying to get construction permits issued. 

  • Location surveys provide much of the same information as a boundary survey but also include in-depth information about any improvements made to your property. 

  • Mortgage location surveys are usually required by lenders and title companies before financing or offering an insurance policy. 

  • Site-planning surveys are done before applying for building permits and can be issued before any major home improvements. 

  • Topographic surveys provide a formal map of land elevations. It can also describe the location and size of natural features and any land improvements.

If you can’t find any records online, you’ll need to contact your county clerk’s office to do further research. They should have property records on file, or can at least point you in the right direction of who to contact. You can also speak with your neighbors about when their houses were built because they were likely built around the same time.

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 Washington, NH homeowners’ guide to land surveying services

From average costs to expert advice, get all the answers you need to get your job done.

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