Illinois Survey Guide

Find a Land Surveyor in DuPage County, IL

Updated for 2026 · 4 min read · Find a Surveyor

Key takeaway

Find licensed land surveyors in DuPage County, IL. Serving Naperville, Wheaton, Downers Grove, Elmhurst, and nearby suburbs. Verify PLS licenses via IDFPR.

Finding a Land Surveyor in DuPage County, IL

DuPage County's 20-plus active surveying firms serve a dense suburban market spanning Naperville, Wheaton, Downers Grove, Elmhurst, Glen Ellyn, Lombard, Woodridge, and Lisle. Whether you need a simple boundary survey for a fence line or a full ALTA survey for a commercial acquisition, the right firm depends on their local experience, licensing, and specialization.

Illinois Licensing Requirements

All land surveys in Illinois must be performed by or under the direct supervision of a licensed Professional Land Surveyor (PLS). The Illinois Department of Financial and Professional Regulation (IDFPR) issues these licenses and maintains an online lookup at idfpr.illinois.gov. Always verify a surveyor's license before signing a contract.

A lapsed or inactive license voids the legal validity of any survey the firm produces. Title companies and lenders will reject work from unlicensed surveyors.

What to Expect from a DuPage County Surveyor

Local Record Knowledge

DuPage County's recorded plats, easements, and subdivision histories are stored at the DuPage County Recorder and accessible through dupagecounty.gov. Firms that regularly work in DuPage know the system, can pull relevant records efficiently, and are familiar with the county's GIS infrastructure. This local knowledge shortens the research phase and reduces cost.

Flood Zone Expertise

Salt Creek winds through Elmhurst, Villa Park, and Lombard. The West Branch Du Page River runs through Glen Ellyn, Wheaton, and Lisle. Many properties along these corridors fall in FEMA Special Flood Hazard Areas. A surveyor with experience preparing elevation certificates for DuPage properties is valuable if your parcel is near any of these waterways.

Commercial Survey Capacity

Naperville and Downers Grove are major commercial corridors. If you need an ALTA/NSPS survey for a commercial acquisition, choose a firm with a track record of commercial work and the equipment to handle larger sites with multiple structures and complex easement networks.

Types of Surveys in DuPage County

  • Boundary survey: Defines legal property lines and locates or sets corner monuments. Required for fences, additions, and many real estate closings.
  • ALTA/NSPS survey: Comprehensive survey for commercial transactions meeting lender and title insurer requirements.
  • Topographic survey: Maps existing ground elevations across a site. Used for drainage, grading, and engineering design.
  • Elevation certificate: Documents building elevation relative to FEMA Base Flood Elevation for insurance and permit purposes.
  • Subdivision plat: Required when dividing one parcel into multiple lots. Must be reviewed and approved before recording.
  • Construction staking: Sets physical reference stakes to guide contractors.

Using DuPage County GIS

Before contacting surveyors, look up your parcel at the DuPage County GIS portal on dupagecounty.gov. Knowing your parcel identification number, approximate lot dimensions, and the name of your subdivision speeds up the quoting process and helps surveyors identify whether prior plats are on file.

The Illinois Association of Professional Land Surveyors at iapls.org maintains a member directory with a regional filter you can use to find firms serving DuPage County specifically.

Questions to Ask Before Hiring

  • Is your Illinois PLS license current? (Verify at idfpr.illinois.gov)
  • Do you have experience surveying in this municipality or subdivision?
  • What is included in the quoted price, and what could add cost?
  • How long will field work and final plat delivery take?
  • Do you provide digital CAD or PDF files of the final survey?
  • Will you record the plat with DuPage County, or is that my responsibility?

Find DuPage County Surveyors

Our directory lists licensed land surveyors serving Naperville, Wheaton, Downers Grove, Elmhurst, Glen Ellyn, Lombard, Woodridge, Lisle, and all of DuPage County. All firms are verified against IDFPR licensing records. Browse DuPage County surveyors here.

Find a Surveyor

Browse Dupage County Surveyors

Find licensed land surveyors serving Dupage County, Illinois. Compare firms, check specialties, and contact directly.

20 licensed surveyors listed
Browse Dupage County Surveyors →

Frequently Asked Questions

How do I check if a surveyor is licensed in Illinois?

Visit the IDFPR license lookup at idfpr.illinois.gov and search by name or license number to confirm an active Illinois PLS license.

What is the difference between a boundary survey and an ALTA survey?

A boundary survey locates and marks the legal property lines. An ALTA/NSPS survey goes further, mapping easements, encroachments, utilities, and improvements, and meets lender and title insurer standards for commercial transactions.

Can a DuPage County surveyor help me with a LOMA application?

Yes. If your property was incorrectly included in a FEMA flood zone, a licensed PLS can prepare the elevation data and site documents needed for a Letter of Map Amendment or Letter of Map Revision application.

How do I find the most recent survey for my DuPage property?

Search the DuPage County Recorder's records at dupagecounty.gov by address or PIN. Recorded plats and surveys are often available there. Your title company from a prior purchase may also have a copy.