Blog · October 14, 2026 · Illinois
Using the Chester Zoning Map
A parcel's zoning district shapes building, splitting and business use near Ellis Grove.
Main page: Randolph County, IL GIS & Parcel Viewer (official map link, county facts and neighboring maps).
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Ahead of any building plan near Rockwood, pull up the Chester zoning map early: a district label decides setbacks, lot size and uses. What this Chester guide covers: which office sets the rules for a lot, matching a lot to its zoning district, and what to ask the planning staff.
Reading the Chester zoning map for one lot
Within municipal limits, the town or city normally writes the zoning code, so property inside Chester follows that code. Past the city line, around Rockwood, the county's ordinance, if any, takes over; confirm with the county office. The quickest way to tell which applies: look for a city limits layer in the Randolph County ArcGIS parcel map.
The free map to start with
Begin with the Randolph County ArcGIS parcel map; it includes every tax parcel from Rockwood to Evansville. For acreage around Evansville, type a street address, an owner's name or a parcel number, then pick the result to center the map on it. If the land is near Steeleville, the parcel card usually lists the owner of record, acreage on the tax roll, a parcel ID and in many cases the last transfer.
Who handles what
If the acreage or value on a parcel near Steeleville looks off go to the Supervisor of Assessments, working with township assessors, the office behind the parcel record. Questions about what you can build around Kaskaskia need the planning or permitting office, and the answer depends on jurisdiction.
A quick look at the area
Chester holds the county offices, where most land records are kept. You'll also find Kaskaskia, Ellis Grove, Rockwood, and Steeleville, each with its own cluster of lots. About 29,815 people live in Randolph County (Census estimate, 2023) across about 575 square miles. Randolph County dates to 1795, so old deeds can run back a long way.
Backing up the map with records
Before you sign anything, request the recorded deed from the county Recorder of Deeds (in many counties the County Clerk and Recorder); the parcel map near Rockwood only summarizes it. Older tracts near Percy may sit on several deeds, so a title company earns its fee on a real sale.
Chester and the county around it
Chester is part of Randolph County, Illinois, which means parcel data comes from the county. Chester is also the county seat, so deeds and plats are filed in town. If you're looking near Rockwood, the municipality handles matters such as zoning, permits and utilities for lots inside the boundary, but the county runs assessment and recording. Acreage past the city limits out by Rockwood often follows county rules rather than the town's.
Neighboring parcel maps
Randolph County touches Jackson County, Monroe County, Perry County, St. Clair County, and Washington County; every one of them runs a separate parcel map. Acreage along the edge near Kaskaskia may be split across two assessors' files, so look at the neighboring map as well. With a lot near Percy, our state page links each bordering county map across Illinois.
Reading the district label
Look up the lot on the Randolph County ArcGIS parcel map first, note the parcel number, and match it to the adopted zoning map. With a lot near Steeleville, short codes on the map point to a table of rules in the ordinance; don't assume a code means the same thing everywhere.
Permits after zoning
Even when zoning allows a use near Rockwood, a building permit is a separate step; health and road departments may weigh in on land near Steeleville.
Reading the legal description
Illinois uses the Public Land Survey System, so deeds around Rockwood reference sections and townships. A standard section is about one square mile, roughly 640 acres, and a township holds 36 of them, though real sections near Rockwood vary in size. Keep the legal description for land near Percy for any title or survey request.
What the district controls
If you're looking near Steeleville, the ordinance spells out uses allowed by right, uses needing a permit, and uses not allowed. For a parcel near Kaskaskia, overlay districts, whether historic, floodplain or corridor, can add rules on top of the base district.
What to ask before you buy
Have the parcel ID ready and describe the plan for the lot near Percy; ask what's allowed by right and what needs a permit. Also ask whether the lot near Evansville is a legal lot of record, because nonconforming lots can carry limits.
Variances and rezoning
For land near Ellis Grove, most of these involve time, so budget weeks or months before you close.
Chester: common questions
Can covenants be stricter than zoning near Evansville?
It depends, but HOA rules and zoning are separate systems near Kaskaskia, so follow whichever is stricter.
How long does rezoning take in Chester?
Good question; rezoning in Chester usually takes weeks to months; ask about fees and timelines early.
Does the county zone rural land near Evansville?
Land beyond Chester limits usually follows county rules, if any.
Are home businesses allowed near Ellis Grove?
It depends, but rules near Steeleville usually cover signs, traffic and employees, so check before you start.
Who do I call about a parcel near Evansville?
For land near Evansville, assessment goes to the Supervisor of Assessments, working with township assessors and deeds to the county Recorder of Deeds (in many counties the County Clerk and Recorder).
Open the official Randolph County, IL parcel map See it in the Platbookmapper directory
Not a survey. County GIS and tax parcel maps are assessment and planning layers. They are not a substitute for a recorded plat, deed, or licensed survey, especially for fences, setbacks, or boundary disputes.