Zoning, building permits and septic rules in Village of Barrington Hills, Illinois
Village of Barrington Hills is a village in Cook County, Illinois. Village of Barrington Hills adopts its own zoning, so inside its limits Village of Barrington Hills’s rules apply, not the county’s. 8 rules below are quoted from official sources and independently re-checked, most recently on October 22, 2026. Rules for unincorporated land are on the Cook County page.
Answers from the rulebook for Village of Barrington Hills
Village of Barrington Hills’s own rules
Local zoningPresent (with conditions)
Land inside Barrington Hills village limits. Village zoning Title 5 (Zoning Regulations) is adopted and administered by the village; county zoning does not govern land inside village limits.
Zoning districts R1 to R4 (residential), plus business, light industrial and planned development chapters, per the Title 5 table of contents.
Code current through ord. 25-14 (passed 11-17-2025) per the American Legal Publishing overview; the publisher disclaims that the posted code may not reflect the latest legislation.
“(a) permitted uses, r1 district: the following uses are permitted in the r1 district:”
Minimum lot sizeSpecified
Single-family detached dwelling zoning lot in the R1 district inside Barrington Hills village limits
Applies to each principal permitted use in Section 5-5-2 located in districts R1 to R4 inclusive, per Section 5-5-4-1.
Section 5-5-4 states lot area requirements are set forth under each zoning district.
Section 5-5-4(d) allows voluntary enlargement of a non-conforming lot of record; Section 5-5-4(e) bars conversion of existing buildings that further conflict with lot area requirements.
Gross lot area definition in Section 5-2-1 (not opened) may further limit land below base flood elevation.
minimum lot area, single-family detached dwelling, R1: >= 5 acres
Detached living quarters for employees on a single-family detached dwelling lot in the R1 district inside Barrington Hills village limits
Occupancy limited to persons employed on the premises and their immediate family.
Permitted only as accessory to a single-family detached dwelling.
“living quarters, detached, for persons employed on the premises if occupied only by such persons and their immediate family, as accessory only to single- family detached dwellings.”
One more reviewed finding on this topic
Limited — Private guesthouse on a single-family detached dwelling lot in the R1 district inside Barrington Hills village limits; R2 to R4 allow any use permitted in R1 under Section 5-5-2(b)-(d)
“guesthouses, private, as accessory only to single- family detached dwellings.”
Still unanswered
We looked and could not find an official answer yet. Silence is not permission; ask Village of Barrington Hills or Cook County directly.
Building permit — New dwellings and alterations inside Barrington Hills village limits
Owner-builder exemption — Owner-builder construction inside Barrington Hills village limits
Building code adopted — New construction inside Barrington Hills village limits
Inspections — Construction inspections inside Barrington Hills village limits
Certificate of occupancy — Occupancy of new dwellings inside Barrington Hills village limits
20 more unanswered
Minimum dwelling size
Setbacks
Lot coverage
Building height
Living in an RV
Camping on your land
Tiny homes
Manufactured homes
Who permits septic
Septic permit
Septic inspection
Off-grid sanitation
Well permit
Mandatory utility hookup
Agricultural exemption
Driveway access
Building in a floodplain
Short-term rentals
Permit fees
Permit process
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Unanswered questions are usually a sign that Village of Barrington Hills publishes no rule on the point, not that none exists. Cook County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Village of Barrington Hills means bringing your own water and power. The kit we’d start with:
