Licensed Illinois land surveyors mapping elevations, contours and site features for design and construction across Chicago and Cook County.
Licensed Illinois land surveyors · Sealed & recorded to Illinois professional standards
Home › Services › Topographical Land Surveys › Chicago, IL
As Illinois’s largest city, Chicago packs high-rise redevelopment, dense residential blocks and industrial corridors onto a footprint where nearly every parcel has been built before. A topographic survey captures the existing grades, structures, pavement and utilities on a lot so architects and engineers can design an addition, teardown-rebuild or mixed-use project that meets city review. On tight urban sites where a few inches of elevation govern drainage between buildings, that measured picture is what keeps a permit set from stalling.
A topographic survey maps the elevations, contours and natural and man-made features of a site — grades, structures, utilities, trees and drainage — giving architects and engineers the data they need to design accurately and secure permits.
The Pi Surveying process — clear, sealed, and ready for your project.
Chicago is home to roughly 2.75 million residents and, uniquely for Cook County, is governed as a city with no township layer. It anchors the county along the Lake Michigan shoreline, and its land records are filed with the Cook County Clerk’s Recordings Division. Because the Chicago River and its channels thread the city and feed the wider Illinois waterway system, many parcels sit within or near mapped FEMA Special Flood Hazard Areas, so a topographic survey documenting existing grades and drainage flow is often central to how a site is designed. On established city lots, that elevation and contour data also guides how a new structure ties into existing sidewalks, alleys and neighboring buildings.
Official resources for Chicago property owners
It maps the site’s elevations and contours along with visible features such as buildings, pavement, walks, trees, retaining walls and surface utility structures, delivered in CAD so your design team can plan grading, drainage and building placement accurately.
Many additions, new-construction and site-work projects require existing-conditions elevation data for the plan review, and a topographic survey is the standard way to provide it; your architect or engineer can confirm what the specific project scope demands.
A boundary survey establishes where your property lines fall, while a topographic survey focuses on elevations, contours and physical features across the site; the two are often ordered together for design work.
Pi Surveying provides the full range of land surveying services for Chicago property owners and builders:
We also serve nearby Cook County communities:
Get started on your next project with Pi Surveying’s expert land surveying services. Contact us today to schedule your survey and get accurate and reliable results.
Send us your property address and a licensed Illinois land surveyor will prepare a quote for your project.
Pi Surveying, located in Oak Brook, a suburb of Chicago, Illinois, is a professional land surveying design firm that provides land surveys for both the private and commercial sector.