Unincorporated Menard County, Illinois requires building permits for construction or placement of structures, with limited agricultural exceptions1. County zoning also covers villages without their own ordinances, but the county does not administer ordinances in Athens, Greenview or Petersburg23. Septic and well permits come through the Sangamon County public health program serving Menard County4. Occupancy requires completed construction and final well, septic and site-development approvals5.
At a glance
- Building permit
- Required for construction or placement of structures, with limited agricultural exceptions1
- Zoning
- County zoning covers unincorporated land and villages without their own ordinances2
- Septic permit
- Required when applicable; Sangamon County public health provides the program for Menard County67
- RV living
- Not allowed as a dwelling except in lawfully established commercial campgrounds; temporary exceptions need Board approval89
- Tiny home
- At least 400 square feet of habitable floor area as a dwelling; a tiny home classed as an RV cannot be a home108
- Agricultural buildings
- Limited agricultural exemptions; owner affidavit, site plan and setback compliance still matter1112
- Private well
- A permit is required before construction, modification or sealing13
Who to call
Zoning
Building and zoning applications, subdivision review, and county flood-prevention questions
101 East Jefferson, Menard County Courthouse Annex, Petersburg, Illinois 62675
Septic permits
Menard County Health Department
Local contact for private sewage disposal and potable-water services
One Centre Drive, Petersburg, Illinois 62675
Roads & driveways
Menard County Highway Department
County-highway questions and entrance-culvert permits; road-district contacts for district roads
15620 Chautauqua Road, Petersburg, Illinois 62675
Contact details are copied from each office’s official page and were checked against it on October 12, 2026.
Off-grid gear
Going off-grid in Menard County means bringing your own water and power. The kit we’d start with:
- Water Crystal Quest Filter any source — well, rain, or creek — to drinking-clean.
- Power Bluetti Solar generators and home battery backup for living off the grid.
- Septic Soil percolation test kit Run your own perc test before paying an engineer — the first thing a septic office asks about.
- Water Well water test kit Bacteria, nitrates, hardness — know what the well on a parcel is really pumping.
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 Menard County, Illinois?
In county-administered areas of Menard County, a building permit is required before a house, manufactured or modular home, portable building, pole barn, garage, carport, shed or container is built, moved or placed on land, subject to limited agricultural exceptions1. Menard County adopts the International Building Code with county amendments, alongside applicable state plumbing, energy and accessibility codes; where adopted codes conflict, the most stringent requirement applies1415. New-construction inspections are generally required, must be requested 48 hours ahead and require approved plans on site16. Occupancy approval requires completed construction and final well, septic and site-development approvals5. Agricultural exemptions require an owner affidavit and site plan for setbacks and floodplain compliance; agricultural land use and structures are separately exempt from the Development Code’s Development Permit, but other applicable requirements remain1117. Solely agricultural structures must meet district setbacks, and a change to non-agricultural use brings the other zoning provisions into play12.
Who handles building permits and zoning in Menard County?
The Menard County Zoning Office administers county zoning and subdivision ordinances and publishes the building-permit application18. Call (217)632-5123 or email jcrowe@menardcountyil.gov; the office is at 101 East Jefferson, Menard County Courthouse Annex, Petersburg, Illinois 6267518. The county application requires consultation about zoning, floodplain, subdivision, road access and applicable well and septic requirements, and the office may require proof of consultation19. The published 2024 fee schedule lists a $200 dwelling base fee plus a per-square-foot charge, and $500 for a manufactured home including a tiny home; confirm the total with the Zoning Office2018. Inside Athens, the city zoning administrator issues building permits for erection or structural alteration; Greenview controls building-permit issuance for improvements in approved subdivisions2122. Private sewage and potable-water services remain with the Sangamon County public health program serving Menard County4.
Does Menard County have zoning?
Menard County zoning covers unincorporated areas and villages without their own ordinances; the county does not administer ordinances inside Athens, Greenview or Petersburg23. County districts include agricultural, rural-residential, single-family, multiple-family, business, manufacturing and public lands23. Minimum lot size, setbacks and height depend on district and use242526. The district summary lists 30 acres for Agriculture, 3 acres for Rural Residential and 7,500 square feet for Single-Family Residential, subject to detailed exceptions2427. Single-Family Residential setbacks include 5 feet at the side and 10 feet at the rear; the front standard uses the road centerline, required right-of-way and an additional 30 feet25. Ask the Zoning Office to establish the parcel’s district and buildable area before choosing a house site or splitting land, because subdivision and development review may apply182829.
How do septic permits work in Menard County?
Sangamon County public health provides private-sewage-disposal services for Menard County through the counties' public-health arrangement4. The local contact is the Menard County Health Department at One Centre Drive, Petersburg, Illinois 62675 and (217)535-310230. When a septic permit applies, Menard County will not issue its building permit until the Zoning Office receives a copy of the septic permit7. Final inspection of a new installation or repair is required before backfilling, and an initial inspection may be required when circumstances warrant31. Resolve feasibility early because only about 22.4% of Menard County soils are rated without severe limitations for a conventional drain field32. The countywide soil rating does not decide an individual homesite, so get the required site review before fixing the house location7.
Can you live in an RV or tiny home on your land in Menard County?
In unincorporated Menard County, an RV—including a tiny home classified as an RV—cannot be occupied as a dwelling except in a lawfully established commercial campground or under an approved temporary-use exception8. County-defined campgrounds are for non-permanent RV or tent placement, and RVs there cannot be permanent abodes3334. Temporary dwelling use requires Board of Appeals recommendation and County Board approval; recreational use also requires adequate water, sewage disposal and Health Department approval8. A tiny home built as a dwelling must meet the 400-square-foot minimum habitable floor area35. Manufactured homes must meet title, code-compliance, serial-number and state-law requirements; permanent placement requires at least 7,200 square feet, subject to the applicable district minimum36. Pre-owned manufactured or mobile homes more than 12 years old cannot be brought into unincorporated Menard County37. An owner installing a manufactured home on their own land outside a mobile-home park need not acquire an installer’s license, but waives rights under the Act from not using a licensed installer; county fees, inspections and occupancy approval remain required38.
What are the steps to build a home in Menard County?
- Confirm jurisdiction: Menard County administers zoning in unincorporated areas and villages without their own ordinances, but not in Athens, Greenview or Petersburg3.
- Ask the Zoning Office to verify the zoning district, use, lot size, setbacks, building height, floodplain status and any subdivision review3940412629.
- Obtain applicable well and septic approvals before the county permit; private-well work requires a permit before construction, deepening, modification or sealing4213.
- For a newly addressed parcel, obtain an entrance permit from the road district or Menard County Highway Department with authority over the entrance43.
- Submit the building-permit application and required fees before construction144.
- Schedule required inspections 48 hours ahead and keep approved plans on site16.
- Complete required hookups and approvals, then return the Certificate of Completion & Conformance before occupancy45519.
What should you check before buying land in Menard County?
Confirm zoning jurisdiction and ask the Menard County Zoning Office about the district, floodplain and any subdivision review before buying or splitting a parcel32818. Only about 22.4% of county soils are rated without severe limitations for conventional septic drain fields, so resolve the actual homesite with the health authority early3230. Verify driveway siting and culvert requirements with the road authority; county-highway questions go to the Highway Department and road-district questions to the appropriate commissioner4647. If rental income is part of the plan, Menard County requires short-term rental registration, a guest registry and a local contact within 50 miles who can respond within 60 minutes; occupancy is capped at 10 people and is also subject to bedroom-based limits48. For carrying costs, the countywide effective property-tax rate is about 1.6% and the median annual property-tax bill is about $2,9364950.
Watch-outs
- Menard County requires applicable well and septic permit copies before issuing its building permit, so resolve water and wastewater early42.
- Only about 22.4% of Menard County soils are rated without severe limits for a conventional septic drain field; confirm the actual homesite with the health authority3230.
- A floodplain development permit is required before development begins in a Menard County floodplain; ask the Zoning Office about the proposed site5118.
- We could not confirm rules for off-grid sanitation or accessory dwellings in Menard County; ask the Health Department about wastewater and the Zoning Office about an additional dwelling3018.
Sources
- Menard County IL :: Zoning, quoted and re-checked
- Menard County Zoning, quoted and re-checked
- Menard County Zoning, quoted and re-checked
- Menard County Health Department, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Menard County Health Department, quoted and re-checked
- Menard County Health Department, quoted and re-checked
- Menard County Zoning, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Menard County Zoning, quoted and re-checked
- Illinois Water Well Construction Code, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Menard County Development Code, quoted and re-checked
- Menard County Zoning Office (menardcountyil.gov)
- Menard County Zoning Permit Application, quoted and re-checked
- Zoning Fee Schedule Table (Updated 2024), quoted and re-checked
- Athens: 8-3-2: Permits and Certificates (Menard County), quoted and re-checked
- Village of Greenview: § 150.08 Building and Occupancy Permits; Issuance (Menard County), quoted and re-checked
- Menard County Zoning, quoted and re-checked
- New Menard County Zoning Ordinance, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Menard County Zoning, quoted and re-checked
- Menard County Zoning, quoted and re-checked
- Menard County Health Department (menardcountyil.gov)
- Application for Permit for Private Sewage Disposal Installation, quoted and re-checked
- Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
- Zoning Ordinance of Menard County, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- New Menard County Zoning Ordinance, quoted and re-checked
- Menard County IL :: Zoning, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Permit Application 2026, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Menard County Zoning, quoted and re-checked
- Zoning Ordinance of Menard County, quoted and re-checked
- Permit Application 2026, quoted and re-checked
- Menard County Highway Department (menardcountyil.gov)
- Zoning Ordinance of Menard County, quoted and re-checked
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
- Menard County Flood Damage Prevention Ordinance, quoted and re-checked
Written October 12, 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.