What Is a Boundary Survey? Everything You Need to Know Before Buying or Building

sam julander
Nov 20
3 min read

If you’re planning to buy land, build a home, install a fence, or settle a property line dispute, a Boundary Survey is one of the most important steps you can take. Yet most property owners don’t fully understand what a boundary survey is—or why skipping it can cost thousands later.

This guide breaks down what a boundary survey includes, why it matters, how much it costs, and how to choose the right surveying company.

What Is a Boundary Survey?

A boundary survey is a professional land survey that identifies the exact property lines of a parcel of land. During the process, a licensed land surveyor gathers historical records, measures your property with precision instruments, marks the corners, and creates a detailed map (called a “plat”).

Homeowners use boundary surveys to confirm where their legal property begins and ends, ensuring that any improvements—like fences, additions, or sheds—are built in the right location.

Why Boundary Surveys Matter

1. Prevent Property Line Disputes

Encroachments happen more often than most people think. A fence, driveway, or even a landscaping feature can extend onto a neighbor’s property without anyone realizing it. A boundary survey provides clear, legal evidence of your property lines so disagreements can be resolved quickly.

2. Required for Real Estate Transactions

Many lenders and title companies require a boundary survey before closing, especially if you’re buying vacant land. It protects you from unexpected issues after you’ve already purchased the property.

3. Avoid Expensive Construction Mistakes

Building too close to—or over—your property line can force you to tear down a structure or face costly legal issues. A boundary survey ensures your construction complies with zoning setbacks.

4. Protect Your Investment

Accurate boundaries equal confidence. A boundary survey gives you peace of mind and protects your property’s long-term value.

What Does a Boundary Survey Include?

A professional boundary survey typically includes:

Research of deeds, plats, and historical records
On-site measurements using advanced GPS and total station equipment
Location of property corners and placement of physical markers
Identification of encroachments (fences, driveways, sheds, etc.)
A certified survey map showing property lines, dimensions, and relevant findings

This document becomes part of your permanent records and can be used for permits, legal disputes, new construction, or selling the property.

How Much Does a Boundary Survey Cost?

The cost of a boundary survey depends on several factors:

Property size and shape
Terrain difficulty
Amount of research required
Presence of existing markers
Location and accessibility

On average, most residential boundary surveys range from $400 to $1,500, while large or complex properties may cost more.

When Should You Get a Boundary Survey?

Consider scheduling a boundary survey if you are:

Buying or selling property
Installing a fence, pool, or retaining wall
Adding a home extension or detached structure
Splitting land or combining parcels
Resolving a disagreement with a neighbor
Unsure of old or missing property markers

How to Choose a Qualified Boundary Surveyor

Not all surveyors are created equal. Here’s what to look for:

Licensed and insured in your state
Experience with boundary and land surveys
Positive reviews and references
Clear pricing and turnaround times
Modern, accurate surveying equipment

A reputable surveyor will explain the process, answer your questions, and deliver a detailed, easy-to-understand plat.

Final Thoughts

A boundary survey is one of the smartest investments you can make before buying property or starting a project. It protects you from costly mistakes, legal disputes, and construction delays—while giving you confidence in your property’s true limits.

If you need a professional boundary survey or want a quote, reach out to a licensed surveyor in your area and get started today.