Brookport, Illinois rules

Brookport, Illinois (Massac County) has adopted the 2018 International Building Code for buildings inside the city¹, and living in a recreational vehicle is unlawful there². Septic permits inside the city are issued through the city clerk for a $300 fee³. We could not confirm Brookport's zoning rules or who issues its building permits, so ask city hall before you buy.

At a glance

Building code: 2018 International Building Code adopted inside the city¹
Building permit: Not confirmed for Brookport; the state leaves permits to local government⁴
Zoning: Not confirmed; ask city hall⁵
Septic permit: City permit from the city clerk, $300 permit and inspection fee³⁶
Living in an RV: Unlawful inside the city²
Manufactured homes: Allowed with conditions: one per lot, city inspections, minimum width and floor area⁷⁸
Floodplain: Development permit rules apply in special flood hazard areas⁹

Who to call

Septic permits

Southern Seven Health Department Environmental Health

Private sewage disposal applications, septic permits and inspections, plus private well permits and inspections for Massac County

(618) 634-2297 ext: 973114

madams@s7hd.org

37 Rustic Campus Dr. Building C, Ullin, IL 62992

Contact details are copied from each office’s official page and were checked against it on October 16, 2026.

Off-grid gear

Going off-grid in Brookport means bringing your own water and power. The kit we’d start with:

These are affiliate links — we may earn a commission, at no cost to you. As an Amazon Associate, Bolthole Index earns from qualifying purchases.

Do you need a building permit in Brookport, Illinois?

Brookport has adopted the International Building Code, 2018 edition, as its building code for buildings inside the city¹. The city also adopts the International Property Maintenance Code, 2006 edition¹. We could not confirm the city's building permit procedure or fee schedule, so call city hall before you pour a footing or frame a wall.

The state does not fill that gap. Illinois does not issue building permits for privately funded construction; any permit requirement is handled by the local government⁴. Illinois also now requires statewide baseline building codes, effective 2025¹⁰. Manufactured homes have a clearer rule: the city's administrative official must inspect and approve the installation before the piers or footings are poured and again before the skirting goes on¹¹.

Does Brookport have zoning, and what does it mean for lot size and setbacks?

We could not confirm whether Brookport has a zoning ordinance or what its districts are. What the city's code does state are dimensional rules for manufactured homes. A lot where a manufactured home is placed must be at least 5000 square feet, and at least 50 feet wide and 100 feet deep⁵. A manufactured home may not sit within 15 feet of a lot line, and must be at least 25 feet from any existing building or accessory building¹².

We found no site-built minimum dwelling size in the city's code. The 980 square foot minimum for a single-wide and 1280 square feet for a double-wide apply to manufactured homes only⁸. For a site-built house, ask city hall which district a lot is in and what it requires.

How do septic permits work inside Brookport?

Inside Brookport, the owner must get a written permit signed by the city clerk before construction of a private sewage disposal system begins⁶. The permit and inspection fee is $300, paid to the city clerk when the application is filed³. The system must also comply with the Illinois Private Sewage Disposal Licensing Act and state EPA rules⁶.

Lot size and sewer access matter. The city issues no permit for a subsurface soil absorption system on a lot under 5,000 square feet¹³. Where a public sewer lies within 100 feet of the property line, an occupied property must connect within 90 days after official notice, and existing septic systems must be abandoned once sewer is available¹⁴.

On the state side, Illinois plan approval is required before any new private sewage system is built¹⁵. The Southern Seven Health Department serves Massac County, reviews sewage system applications and issues septic permits¹⁶. Ask the health department and the city clerk which of them handles a given address.

Can you live in an RV or tiny home in Brookport?

Living in an RV is not an option inside Brookport. The city makes it unlawful to occupy a recreational vehicle as a dwelling or residence, and also unlawful to connect an RV to the city water supply or sewer system². Illinois's campground rules do not change that for a private lot in the city¹⁷.

Manufactured homes are allowed with conditions. Only one manufactured home is allowed per lot, towing devices, wheels, axles and hitches must be removed, and a single-wide must be at least 14 feet wide and a double-wide at least 30 feet wide⁷. Installation must be done by an Illinois licensed installer or the homeowner, with city inspections⁷. We found no Brookport rule on tiny homes, so ask city hall before planning one.

Building a home in Brookport: the steps, in order

Call Brookport city hall to confirm the zoning district, the building permit process and any fees; we could not confirm these.
Check whether the lot touches a special flood hazard area. Development there needs a city permit, and some floodway work also needs a state permit⁹.
Find out whether a public sewer is within 100 feet of the lot¹⁴. If it is, plan to connect instead of installing a septic system.
If you need a septic system, apply to the city clerk with the $300 fee³, and ask the Southern Seven Health Department about state plan approval¹⁶.
For a well, a state-law permit is required from the Illinois Department of Public Health or an approved local health department¹⁸; Southern Seven says to contact its Environmental Health staff to apply¹⁶.
Build to the adopted 2018 International Building Code¹.

What stays with Massac County, and what to check before you buy

The county's rules cover unincorporated land, not Brookport. For land outside city limits, see the Massac County page. Septic and well permits are the main overlap: Illinois statewide rules apply everywhere, and Southern Seven Health Department serves Massac County¹⁹.

County-level figures help with the bigger picture. Massac County's effective property tax rate is 1.5%²⁰, and the typical home value is about $112,844²¹. Conventional septic drain fields are a poor fit for most soils in the county: about 4.2% of soils rate as not limited, so expect a site evaluation and possibly an engineered system²². The county is also rainy, at about 50 inches a year²³, which makes the floodplain check worth the call.

Watch-outs

We could not confirm Brookport's zoning ordinance, building permit process or permit fees, and Illinois leaves building permits to local government⁴; ask city hall before you buy or build.
Brookport's RV ban covers occupying an RV as a dwelling and also bars connecting an RV to city water or sewer².
Building in a mapped flood hazard area inside Brookport triggers a development permit, and the city's flood map is dated July 5, 1983⁹.
Septic rules differ by lot size: no subsurface absorption permit is issued on a lot under 5,000 square feet¹³.

Sources

Written October 16, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.

Unanswered questions are usually a sign that Brookport publishes no rule on the point, not that none exists. Massac County’s page lists the county offices to call.

Building permits, zoning and septic rules in Brookport, Illinois