Licensed Illinois land surveyors documenting as-built conditions versus approved plans for project closeout across Chicago and Cook County.
Licensed Illinois land surveyors · Sealed & recorded to Illinois professional standards
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As the third-largest city in the country, Chicago runs a nonstop pipeline of high-rise towers, transit and utility projects, industrial redevelopment, and neighborhood infill that all pass through the city’s own permitting and inspection machinery. A final as-built survey closes the loop on that work by recording exactly where the finished improvements landed and at what elevation, then measuring those results against the plans the city approved. On dense downtown and lakefront parcels, where a foundation or utility line can sit inches from a property line or easement, that verified record is what lets a project reach acceptance.
A final as-built survey documents the actual location and elevation of completed improvements and compares them to the approved plans. Municipalities, engineers and owners rely on it to close out projects and confirm compliance.
The Pi Surveying process — clear, sealed, and ready for your project.
Chicago is home to roughly 2.75 million residents and, uniquely for the state, operates without a township layer beneath it. It anchors Cook County and effectively defines the region’s development economy, from the Loop to the far bounds of its 77 community areas. Deeds, plats, and recorded survey documents for Chicago parcels are filed with the Cook County Clerk’s Recordings Division, which absorbed the Recorder of Deeds function in December 2020. For a completed project here, the final as-built is the engineering verification the city and its reviewing agencies lean on when they confirm that constructed grades, structures, and connections match the approved design before closeout.
Official resources for Chicago property owners
It documents the actual constructed location and elevation of the completed improvements on a Chicago site and compares them against the approved plans, so the city and reviewing agencies can confirm the work was built as designed.
It is usually needed at the end of construction, during project closeout and the municipal acceptance process, once the improvements are finished and ready to be verified against the design.
Engineers, the municipality, the contractor, and the owner all use it — engineers to verify the build, the city for acceptance, and the owner as a permanent record of what was actually constructed.
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.