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*The Angi rating for Land Surveying companies in Troy, 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 Troy, 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 November 15, 2025

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Land Surveying questions, answered by experts

With proper training and experience, reading blueprints is fairly straightforward and not very difficult. If you don’t have the necessary knowledge to interpret the symbols, abbreviations, and other notations used, blueprints may not make sense. Learning to read blueprints can help you understand the construction process and keep you more involved and informed when you’re building a house.

Professional well contractors may use electromagnetic mapping to look for places with a high likelihood of water. Water access can vary significantly, even on the same property, so it can be difficult to know where to drill if you don’t have specialized tools to look for water.

ALTA/ACSM surveys are the most comprehensive type of land survey and, as such, tend to be the most expensive. These surveys have standardized guidelines and reports and are used in many kinds of real estate transactions to ensure consistent and accurate information is available for properties.

Professionals who complete perc tests can usually do them in a single day. Including excavating to expose the test site, filling the hole with water, and monitoring it while it drains, you can expect the test to take between four and eight hours total. It’s possible that you’ll get the results the same day, but some companies may take a few days to get official results.

A land survey provides precise property boundaries, reveals legal encroachments, and identifies rights-of-way, minimizing disputes. Understanding the exact dimensions and features of the property aids in informed decision-making and safeguards the buyer's investment.

The Troy, 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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