Hilly pasture opened out of oak-hickory forest in the Shawnee Hills, with wooded ridges, a sandstone ledge and a farm pond.
Williamson County, Illinois Municipal building code & permit

Barndominium Builders in Marion, Illinois

Looking for pole barn builders in Marion, IL? We plan and build pole barn homes, barndominiums and shop houses for owners in Marion, Illinois (Williamson County) and the Southern Illinois countryside around it, from kit packages to turnkey builds.

Marion at a glance

County
Williamson County
Residential permits
City of Marion Building and Code Services

Barndominium services in Marion

We supply barndominium kits, draw custom plans and run turnkey pole barn home builds for owners in and around Marion, Illinois. Inside the city, Marion's Building and Code Services issues the residential permit; on acreage in unincorporated Williamson County, the permit application is filed with the county Supervisor of Assessments instead. Tell us where your land is and we will map the permit path and a price range for your parcel.

Barndominium Kits in Marion

Barndominium kits for Illinois land: shell kits or fuller packages, sized to your county's snow load and frost line, delivered and put up by our crew.

Custom Plans in Marion

Custom and modified barndominium plans drawn for your Illinois lot, your county's code and the kit or build we quote — sealed where your county requires.

Turnkey Builds in Marion

One contract from land to keys. We coordinate permits, septic, well, site work, shell and finish for your barndominium anywhere in Illinois.

Pole Barn Homes (Post-Frame) in Marion

Pole barn homes built post-frame for Illinois acreage: wide clear spans, fewer footings, and posts and footings set to your county's rules.

Steel Construction in Marion

Red-iron clear-span steel frames for homes, shops and commercial barndominiums in Illinois, with sealed drawings wherever your county requires them.

Shouses in Marion

Shouse and shop house builds in Illinois: a heated shop and a finished home under one roof, planned around your doors, your county and your land.

Metal Homes in Marion

Metal building homes for Illinois winters: steel or wood frame, metal skin, and an insulation plan that stops condensation before it starts.

Site Preparation in Marion

Barndominium site preparation in Illinois: pad, footings, driveway, septic and well coordination, planned around your county's rules and your soil.

Permitting & Approvals in Marion

Barndominium permits in Illinois, handled: we find out who has authority over your parcel and take the zoning, building, septic and well approvals through.

Before you build in Marion

Building in Marion: the local facts

Municipal building code & permit

Inside the city limits, Marion's Building and Code Services issues residential building permits; in unincorporated Williamson County the permit application is filed with the county Supervisor of Assessments.

Residential permits
City of Marion Building and Code Services

Source: Building and Code Services – Marion

Septic permits
Franklin-Williamson Bi-County Health Department, Environmental Health

Source: Environmental Health – Franklin- Williamson Bicounty Health Department

  1. 01

    Inside Marion, the city's Building and Code Services issues a residential building permit for any new construction, including a new home, storage building or garage, and performs the inspections.

    Source: Building and Code Services – Marion

  2. 02

    Outside cities and villages, a Williamson County ordinance requires a Building Permit Application filed with the Supervisor of Assessments before construction. The county highway office reviews it and the Treasurer issues the permit.

    Source: Williamson County Building Permit Ordinance 21-05-11-05

  3. 03

    The Williamson County ordinance covers structures of 100 square feet or more and excludes buildings for agricultural purposes on farms, including farm residences. It names no building code or inspection program.

    Source: Williamson County Building Permit Ordinance 21-05-11-05

  4. 04

    The Franklin-Williamson Bi-County Health Department reviews and approves new private sewage systems before construction and issues the permit, and runs the private water program for wells and cisterns.

    Source: Environmental Health – Franklin- Williamson Bicounty Health Department

  • Inside Marion, a new building that needs a water or sewer connection also needs a city excavation permit when a curb, sidewalk or street will be cut. Building and Code Services – Marion
Finding land

Acreage near Marion

Most barndominium and pole barn home owners around Marion build on acreage outside the city limits in unincorporated Williamson County. A rural parcel usually means a private septic system and often a well, both handled by the Franklin-Williamson Bi-County Health Department.

Tell us what you want to build in Marion and we will price it against your land.

Building in Marion: common questions

Who are the pole barn builders in Marion, IL?
We build pole barn homes, barndominiums and shop houses for owners in Marion, Illinois and across Williamson County. We supply kits for owner-builders or run the whole turnkey build. Start with the free land survey.
Do I need a building permit for a barndominium in Marion, Illinois?
Inside the city limits, yes: Marion's Building and Code Services issues a residential building permit for any new home. On land in unincorporated Williamson County, a county ordinance requires a Building Permit Application filed with the Supervisor of Assessments.
Is Marion, Illinois the same as Marion County?
No. Marion, Illinois is a city in Williamson County in Southern Illinois. Marion County, Illinois is a separate county further north, with its own offices. This page covers the city of Marion and the Williamson County land around it.
Who approves the septic system for a rural lot near Marion?
The Franklin-Williamson Bi-County Health Department reviews and approves new private sewage systems before construction and issues the permit.
How much does a pole barn home cost near Marion?
It depends on the size, the finish level and the site work your parcel needs, such as a septic system, well or driveway. We price each build against your land after the survey instead of quoting a flat figure.

Ready to build in Marion?

Answer a few questions about your land, size and budget. We will come back with a plan, a price range for your parcel, and the permit path for where you are building.