Saline County, IL Building Permits, Zoning & Septic Rules

Unincorporated Saline County, Illinois has no building-permit or zoning office among its county departments, so there is no county building permit or zoning review for rural land here¹². Septic is different: the multi-county Egyptian Health Department permits and inspects every private sewage system in the county under Saline County's own sewage ordinance³. A new or substantially improved commercial building still needs a certified inspection under state law, but a single-family home or duplex is specifically exempt from that requirement⁴.

At a glance

Building permit: Not required; Saline County has no building-permit office¹
Zoning: None; Saline County has no planning or zoning department²
Septic permit: Required through the multi-county Egyptian Health Department³⁵
Manufactured home occupancy: Allowed statewide as a dwelling⁶
Off-grid toilets (privies, composting): Approved statewide for human waste; other domestic wastewater still needs a private sewage system⁷
New commercial building inspection: Required if 50%+ of pre-improvement value; single-family homes and duplexes are exempt⁸⁴
Driveway on a state highway: IDOT permit required before work begins in the right-of-way⁹

Who to call

Septic permits

Egyptian Health Department (serving Gallatin, Saline and White counties)

Private sewage (septic) system permits and inspections for Saline County under the county's private sewage ordinance

(618) 273-3326

1412 U.S. 45 North, Eldorado, IL 62930

Roads & driveways

Saline County Highway Engineer

Saline County has no separate building or zoning department; the Highway Engineer's office is the county contact for road and driveway questions on county roads

618-253-4027

Saline County Courthouse, 10 E Poplar St., Harrisburg, IL 62946

Contact details are copied from each office’s official page and were checked against it on September 24, 2026.

Do you need a building permit in Saline County, Illinois?

Saline County's own list of county departments has no building, permit or inspection office, and there's no county building permit for rural residential or commercial construction in unincorporated Saline County¹. Illinois itself doesn't issue building permits either — that's always a local-government function, and Saline County hasn't taken it on¹⁰. There is one exception worth knowing: a newly constructed or substantially improved commercial building (work costing 50% or more of the structure's pre-improvement value) in a jurisdiction without a building code, which Saline County appears to be, needs a certified inspection filed with the county before anyone occupies it⁸. That certification requirement specifically excludes a single-family home or a dwelling with two or fewer apartments, condos or townhouses, so an ordinary house is exempt⁴.

Who handles septic and other permits in Saline County?

For septic, the office to call is the Egyptian Health Department, which administers Saline County's private sewage ordinance and permits and inspects every new or renovated system in the county¹¹. Reach them at 1412 U.S. 45 North, Eldorado, IL 62930, phone (618) 273-3326¹¹. For roads and driveway questions, Saline County's Highway Engineer is the office to call, at the Saline County Courthouse, 10 E Poplar St., Harrisburg, IL 62946, phone 618-253-4027¹². There's no separate building or zoning office to route a general land-use question to, since the county doesn't run either program¹².

Does Saline County have zoning?

Saline County has no planning or zoning department listed among its county offices, and no county zoning ordinance was found on its official pages². Illinois law does let a county with zoning authority set building and setback lines and height limits by district, but that only applies where a county has actually adopted zoning districts, and no such Saline County district was located¹³¹⁴. In practice that means unincorporated Saline County has no confirmed county-set minimum lot size, setback or building-height rule — but that's an absence of a county rule, not a guarantee that nothing applies, since an incorporated town within the county (the county lists seven municipalities) could have its own separate zoning.

How do septic permits work in Saline County?

Every new private sewage system in Saline County needs plan approval before construction, whether that comes through the Illinois Department of Public Health or, as in Saline County's case, the local authorized agency¹⁵⁵. The installer or homeowner has to notify the Department or local authority at least 48 hours before work begins, and replacing a tank, adding or removing a major component, or expanding the absorption field by 25% or more all count as a new system needing that same approval⁵. Soil is a real constraint here: only about 2.6% of Saline County's soils carry no severe limits for a conventional septic drain field, even though 90.7% of the county's land is gentle, 15% slope or less — flat ground doesn't mean easy septic siting in this county¹⁶¹⁷. If you're planning something more off-grid, Illinois approves privies, portable toilets, recirculating toilets, incinerator toilets and compost toilets for human waste disposal statewide, though any other domestic wastewater still has to go through a conventional private sewage system⁷.

Can you live in an RV or tiny home on your land in Saline County?

No official Saline County page states a rule for a single RV or tiny home parked on your own unincorporated land, so don't assume the absence of a zoning department settles the question. The one Illinois rule on the books addresses manufactured home communities, not a lone landowner: a non-motorized RV with toilet and bathing facilities can be sited in a manufactured home community if the community owner approves it, it's permanently connected to utilities, and it's occupied by the same people for at least two consecutive months, while motorized RVs aren't allowed as residences there at all¹⁸. A manufactured home itself is recognized statewide as a lawful dwelling, subject to installation and tie-down standards⁶. Call the Saline County Highway Engineer's office or the County Board to ask how your specific parcel is treated before you buy¹².

Building a home in Saline County: the steps, in order

Confirm your parcel is truly unincorporated; Saline County itself has no zoning or building-permit process, but one of its municipalities could have its own²¹.
Apply for your septic permit through the Egyptian Health Department, including a construction plan from your contractor or, if you're installing it yourself, from you as the homeowner¹¹.
Wait for plan approval and permit issuance, and give the Health Department at least 48 hours' notice before work begins⁵.
If your driveway will connect to a state highway, get an IDOT permit before starting any work in the right-of-way, and keep a copy of the approved permit at the worksite⁹.
Build to Illinois's statewide baseline residential code, which took effect January 1, 2025, even though Saline County issues no separate local building permit¹⁹.
Schedule your septic inspection with the Health Department once the system is installed³.

What to check before you buy land in Saline County

Check the soil first: only about 2.6% of Saline County's soils have no severe limits for a conventional septic drain field, the tightest constraint in the numbers here, so budget for a site evaluation before you count on a standard system¹⁶. The county is about 31.7% wooded with roughly 6.3% federal land — Saline County borders the Shawnee National Forest, so check whether a tract sits near forest boundaries and what access that gives or limits²⁰²¹. Severe drought is rare here, about 2.8% of years, against 48.4 inches of average annual precipitation²²²³. A typical home insurance premium runs about $1,816 a year, and the county's effective property tax rate is about 1.6%, with a median annual property tax bill around $1,445²⁴²⁵²⁶. Saline County sits about 58 miles from the nearest metro area²⁷.

Watch-outs

Only about 2.6% of Saline County's soils carry no severe limits for a conventional septic drain field, so get a site evaluation from the Egyptian Health Department before you count on a standard system, even on gently sloping ground¹⁶.
Saline County has no zoning department, so there's no confirmed county rule for a single RV or tiny home on your own land; the one written rule covers manufactured home communities, not a lone parcel — confirm with the county before you buy¹⁸.
A new or substantially improved commercial building (50%+ of its pre-improvement value) still needs a certified inspection under state law even though Saline County issues no building permit; only single-family homes and duplexes are exempt⁸⁴.

Sources

Written September 24, 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.

How Saline County scores

Seclusion53100% ev.

Self-Sufficiency63100% ev.

Admin Boringness8090% ev.

Durability54100% ev.

Property Autonomy42100% ev.

Carry Cost67100% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$88kTypical home

1.6%Property tax

$4,910Land / acre

48.4"Annual rain

2.8% of yrsSevere drought

16.4 / yr (+14.6)Mid-century 100°F days

15.5 daysMid-century dry spell

2.07" (+10.1%)Mid-century 1-day rain

1.8×Wildfire change factor

100%Forward climate coverage

$1,816Home insurance / yr

3.7% / yrInsurance growth

0.67%Nonrenewal rate

county median (2+ published ZIPs)Insurance basis

31,404People within 30 min

1,522,284People within 2 hr

26,337Radius comparison (15 mi)

60.2People / sq mi

6.3%Federal land

90.7%Land at 15% slope or less

2.6%Septic soil without severe limits

6,151 acWorkable land screen

31.7%Wooded land

35.4 tonsBiomass / forest ac

56.6°FAvg temp

Answers from the rulebook for Saline County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Saline County rules

County-wide zoningAbsent
No county planning or zoning department or ordinance is listed; land use in unincorporated areas is not county-zoned.
Saline County IL - Official Website ↗Scouted from the county site, not yet independently re-checked

Illinois rules that apply here

Building permitLimited
Privately funded construction in Illinois; the State does not itself issue building permits, while any required permit is addressed by the applicable local government.
- Permit requirements may be imposed and administered by the municipality, village, city, or county having jurisdiction.
- The Illinois Capital Development Board states that statewide building codes became effective 1/1/2025, while local code officials remain the best source for project-specific answers.
statewide building-code effective date: 2025-01-01
“No. If any of these are required, they would be addressed by the unit of local government.”
Illinois Codes FAQ ↗Re-checked Sep 26, 2026
One more reviewed finding on this topic
- Not required — Issuance of building permits by the State of Illinois for privately funded construction.
  “No. If any of these are required, they would be addressed by the unit of local government.”
  Illinois Codes FAQ ↗Re-checked Sep 9, 2026
Building code adoptedPartial
Building-code requirements statewide in Illinois, including residential and commercial construction subject to the Capital Development Board Act baseline requirements.
- Effective 2025-01-01, Illinois requires statewide baseline building-code requirements.
- Local governments may adopt building codes, but they are not required to adopt codes; jurisdictions that do not adopt a code are treated as non-building-code jurisdictions and must follow the applicable state-law baseline requirements.
- For jurisdictions with adopted codes, local codes must regulate structural design at least as stringently as the applicable IRC, IBC, or IEBC baseline.
- Commercial buildings in non-building-code jurisdictions and state-funded buildings are subject to the state-listed codes and qualified-inspection requirements.
- Residential requirements differ depending on whether the jurisdiction has adopted a compliant building code and whether the home purchaser and builder agree to an alternative code.
statewide baseline effective date: 2025-01-01 · local code structural minimum for residential buildings: IRC minimum structural requirements · local code structural minimum for commercial new buildings: IBC minimum structural requirements · local code structural minimum for existing commercial buildings: IEBC minimum structural requirements
“The State of Illinois recently passed legislation (Public Act 103-0510) changing the Capital Development Board Act to require statewide building codes effective 1/1/2025. [...] Commercial buildings in jurisdictions that have not adopted a building code AND state funded buildings. [...] Starting 1/1/25 local codes must regulate the structural design in a manner that is at least as stringent as the IBC© for new buildings or IEBC© for existing buildings. [...] Residential buildings in jurisdictions that have not adopted a building code where agreed to by the home purchaser and home builder. [...] Residential buildings in jurisdictions that have adopted a building code. [...] Starting 1/1/25 local codes must regulate the structural design in a manner that is at least as stringent as the IRC©.”
Illinois Codes ↗Re-checked Sep 9, 2026
2 more reviewed findings on this topic
- Adopted (with conditions) — Statewide Illinois building-code framework applicable in Saline County, including jurisdictions with and without locally adopted building codes.
  “The State of Illinois recently passed legislation (Public Act 103-0510) changing the Capital Development Board Act to require statewide building codes effective 1/1/2025. Until then, units of local government such as cities and counties can adopt codes of their choice.”
  Building Codes and Regulations ↗Re-checked Sep 11, 2026
- Adopted — Statewide baseline building-code requirements for residential construction in Illinois, including jurisdictions with and without locally adopted building codes.
  “Please be advised that the State of Illinois recently passed legislation (Public Act 103-0510) changing the Capital Development Board Act to require statewide baseline building codes effective 1/1/2025. Locally adopted building codes must comply with the requirements of the Act.”
  Building Codes and Regulations ↗Re-checked Sep 26, 2026
InspectionsLimited
Newly constructed or substantially improved commercial buildings in Illinois non-building-code jurisdictions, including any such property under Saline County jurisdiction if the county is a non-building-code jurisdiction.
- The property owner or owner's agent must first contract for inspection by a qualified inspector.
- The qualified inspector must file a certification of inspection with the municipality or county having jurisdiction.
- The rule applies to newly constructed commercial buildings and substantially improved commercial buildings in a non-building-code jurisdiction.
- A substantially improved commercial building is generally one where work commenced on or after January 1, 2025 and the cost equals or exceeds 50% of the structure's pre-improvement market value.
- The statutory definition excludes single-family homes, dwellings containing 2 or fewer apartments, condominiums, townhouses, and qualifying farm buildings.
- The changes made by Public Act 103-0510 apply beginning January 1, 2025.
substantial improvement threshold: >= 50 percent of pre-improvement structure market value (Does not include specified health, sanitary, or safety-code corrections or qualifying historic-structure alterations.)
“No person may occupy a newly constructed commercial building or a substantially improved commercial building in a non-building code jurisdiction until:”
Public Act 103-0510 ↗Re-checked Sep 11, 2026
3 more reviewed findings on this topic
- Not required — The certification-of-inspection requirement under 20 ILCS 3105/10.09-1 for original construction of a single-family home or a dwelling containing 2 or fewer apartments, condominiums, or townhouses.
  “Except as provided in Section 15 of the Illinois Residential Building Code Act, new residential construction is exempt from this Section and is defined as any original construction of a single-family home or a dwelling containing 2 or fewer apartments, condominiums, or townhouses.”
  Public Act 103-0510 ↗Re-checked Sep 11, 2026
- Not required — Building-code-compliance inspections performed by the State of Illinois for privately funded construction.
  “No. If any of these are required, they would be addressed by the unit of local government.”
  Illinois Codes FAQ ↗Re-checked Sep 9, 2026
- Limited — Privately funded construction statewide in Illinois, as to inspections performed by the State rather than by a local authority having jurisdiction.
  “No. If any of these are required, they would be addressed by the unit of local government.”
  Illinois Codes FAQ ↗Re-checked Sep 26, 2026
Certificate of occupancyLimited
Occupancy permits or certificates for privately funded construction in Illinois.
- The State does not issue occupancy permits for privately funded construction.
- If an occupancy permit is required, it is addressed by the applicable unit of local government.
“No. If any of these are required, they would be addressed by the unit of local government.”
Illinois Codes FAQ ↗Re-checked Sep 26, 2026
One more reviewed finding on this topic
- Not required — Issuance of occupancy permits or certificates by the State of Illinois for privately funded construction.
  “No. If any of these are required, they would be addressed by the unit of local government.”
  Illinois Codes FAQ ↗Re-checked Sep 9, 2026
SetbacksDistrict specific (with conditions)
County zoning regulations for building or setback lines outside municipalities with municipal zoning ordinances.
- The actual setback distances are established by applicable county zoning districts or other local ordinances.
- Agricultural buildings may be required to conform to building or setback lines.
“to establish building or setback lines”
55 ILCS 5/5-12001 — Authority to regulate and restrict location and use of structures ↗Re-checked Sep 9, 2026
Building heightDistrict specific (with conditions)
County zoning districts outside municipalities with municipal zoning ordinances.
- The applicable county zoning ordinance determines the actual height limit by district or use.
- No single statewide height measurement was identified.
“including height of buildings and structures”
55 ILCS 5/5-12001 — Authority to regulate and restrict location and use of structures ↗Re-checked Sep 9, 2026
Manufactured homesAllowed (with conditions)
Occupancy of manufactured homes as dwellings, including occupancy in manufactured home communities regulated by IDPH.
- Manufactured home communities with 5 or more sites must be licensed by IDPH, except communities located in home rule units.
- IDPH annually inspects licensed communities for renewal, including water, sewage disposal, electrical systems, lighting, roads, spacing of homes, and garbage disposal.
- Manufactured homes moved since January 1, 1980 must be secured using equipment meeting IDPH standards.
- Effective December 31, 2001, manufactured homes must be installed by an Illinois licensed manufactured home installer or the homeowner and installed according to manufacturer instructions; if unavailable, the IDPH Manufactured Home Installation Code applies.
- Local zoning, building, floodplain, and utility requirements may also apply.
manufactured home community license threshold: >= 5 sites (Communities located in home rule units are excepted from this IDPH licensing statement.) · moved-home tiedown requirement effective date: >= 1980-01-01 · installation requirement effective date: >= 2001-12-31
“designed and situated so as to permit its occupancy as a dwelling place for one or more persons”
Manufactured & Modular Homes/Mobile Structures ↗Re-checked Sep 9, 2026
Who permits septicMixed (with conditions)
Private sewage disposal systems in Saline County, including systems in unincorporated areas unless a more specific local rule applies.
- IDPH regulates installation statewide.
- Local health agencies may review and approve construction plans under a local ordinance or as agents of IDPH.
- The cited statewide page does not identify the specific local agency administering the program in Saline County.
“The Illinois Department of Public Health (IDPH) regulates the installation of all private sewage disposal systems that have no surface discharge (such as septic tanks and seepage fields) as well as those that discharge treated effluent up to 1,500 gallons per day to the ground surface (such as sand filters and aerobic treatment systems). Staff also review and approve plans for private sewage disposal systems and alternative private sewage disposal systems before construction. There are about 90 local health agencies in Illinois that also review sewage disposal system construction plans, either by authority of a local ordinance or as an "agent" of the Department.”
Private Sewage Disposal ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Mixed — Installation and plan approval for private sewage disposal systems statewide in Illinois.
  “There are about 90 local health agencies in Illinois that also review sewage disposal system construction plans”
  Private Sewage Disposal ↗Re-checked Sep 9, 2026
Septic permitRequired
Construction of a new private sewage disposal system in Saline County, including qualifying septic replacement, major-component changes, or absorption-field changes.
- Plan approval must be obtained from IDPH or the applicable local authority before construction.
- A new system includes replacement of a septic tank, removal or addition of a major component, or an absorption-field increase of 25% or more or replacement of 25% or more of the existing field.
- Applications must use Department or local-authority forms.
- Persons constructing, installing, repairing, or modifying a system must notify IDPH or the local authority at least 48 hours before work begins.
- The cited rule states plan approval rather than naming a separate permit in every case.
absorption-field change threshold: >= 25 percent (Applies to an increase or removal and replacement of the existing absorption field as described in Section 905.190(a)(2).) · pre-work notice: >= 48 hours (Notification to the Department or local authority before commencement of work.)
“Plan approval shall be obtained from the Department or local authority prior to beginning any construction of a new private sewage disposal system.”
77 Ill. Adm. Code 905.190 Installation Approval ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Required — Construction of a new private sewage disposal system statewide, including systems where a septic tank is replaced, a major component is added or removed, or the absorption field changes by at least 25 percent.
  “Plan approval shall be obtained from the Department or local authority prior to beginning any construction of a new private sewage disposal system.”
  77 Ill. Adm. Code 905.190 Installation Approval ↗Re-checked Sep 9, 2026
Septic inspectionLimited
New and replacement surface-discharging private sewage disposal systems covered by Illinois EPA general NPDES Permit ILG62.
- Coverage under the general permit is limited to eligible dischargers.
- Systems not eligible for general-permit coverage may require an individual NPDES permit.
- Periodic inspection, monitoring, and reporting are required under the permit.
“The permit sets discharge limits and requires periodic inspection, monitoring and reporting.”
Illinois Surface Discharge Permit (ILG62) ↗Re-checked Sep 9, 2026
Off-grid sanitationAllowed (with conditions)
Off-grid disposal of human wastes through privies, portable toilets, recirculation toilets, incinerator toilets, and compost toilets statewide in Illinois.
- Other domestic wastes must be disposed of in a conventional private sewage disposal system.
- Compost toilets may also be used for other organic domestic wastes.
- Privies have construction, capacity, venting, maintenance, and abandonment requirements.
- A privy pit must have a minimum capacity of 50 cubic feet per seat.
- A privy must be pumped when filled to within 18 inches of the bottom of the riser.
- Vault privies are required where groundwater or limestone formations are within 4 feet of the bottom of the pit.
- Recirculating toilets must meet NSF International/ANSI Standard 41 and residuals must go to an approved public or private sewage disposal system.
- Incinerator and compost toilets have separate maintenance and disposal requirements; compost toilets must meet NSF International/ANSI Standard 41.
privy pit minimum capacity: >= 50 cubic feet per seat · privy pumping trigger: <= 18 inches from bottom of riser (Pump when filled to within this distance.) · vault-privy groundwater or limestone separation: < 4 feet from bottom of pit (Watertight, non-metal vaults are required where the condition applies.)
“Privies, portable toilets, recirculation toilets, incinerator toilets and compost toilets are approved for private sewage disposal of human wastes.”
77 Ill. Adm. Code 905.130 Human Waste Disposal ↗Re-checked Sep 9, 2026
Well permitRequired
Construction of a new water well, modification of an existing water well, or sealing of an abandoned water well in Illinois.
- A permit must be obtained from the Illinois Department of Public Health or an approved local health department before work begins.
- The application must use Department or approved local health department forms and include a plan and drawing of the proposed construction.
- The plan must include the lot size, slope, property lines, distances to septic tanks, abandoned wells, property lines, seepage fields, sewers, and other contamination sources; driller license number and name; estimated daily pumping capacity if greater than 100,000 gallons per day; well location; owner name and address; well type; estimated depth; well-use type; and proposed aquifer.
- The permit is void if construction has not commenced within one year after issuance.
- The permit fee for constructing, deepening, modifying, or sealing a water well may not exceed $100.
- The Department will deny a permit request when available information indicates groundwater contamination exceeds Class I groundwater standards, subject to the treatment approval provision in subsection (f)(2).
- The permittee must notify the Department, approved local health department, or approved unit of local government by telephone or in writing at least two days before work begins.
maximum water well permit fee: <= 100 USD · permit commencement deadline: 1 year after issuance (Permit is void if construction has not commenced within that period.) · pre-work notification: >= 2 days (Notification may be by telephone or in writing.)
“A permit to construct a new water well, modify an existing water well or seal an abandoned water well shall be obtained from the Department or approved local health department prior to start of work.”
77 Ill. Admin. Code 920.130, Water Well Permit Requirements ↗Re-checked Sep 26, 2026
Driveway accessRequired
New or revised access driveways within the right-of-way along Interstate, U.S. state route, Illinois state route, or state-maintained roadways in Saline County.
- The permit must be obtained before work begins.
- A copy of the approved permit must remain at the worksite.
- District-specific requirements may vary.
- The application process may require a request letter, location map, detailed drawings, traffic studies, traffic control plan, and other information.
- IDOT may require a bond after review.
“IDOT requires a permit when working within the right-of-way of an Interstate, U.S. state route, Illinois state route, or state maintained roadway. A permit must be obtained prior to the start of any work and a copy of the approved permit must be at the worksite at all times.”
Highway Permits ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Required — Work within the right-of-way of an Interstate, U.S. state route, Illinois state route, or state-maintained roadway, including access-driveway requests to State highways.
  “Per 605 ILCS 5/4 209, IDOT requires a permit when working within the right-of-way of an Interstate, U.S. state route, Illinois state route, or state maintained roadway. A permit must be obtained prior to the start of any work and a copy of the approved permit must be at the worksite at all times.”
  Highway Permits ↗Re-checked Sep 9, 2026
Building in a floodplainRequired
Construction activities in regulated Illinois floodways and, where a floodway has not been delineated, generally work anywhere in the floodplain.
- For downstate streams, IDNR Division permitting applies to floodways of streams draining at least one square mile in urban areas or ten square miles in rural areas.
- In northeastern Illinois, Part 3708 applies to identified floodways in Cook County excluding Chicago, DuPage, Kane, Lake, McHenry, and Will Counties.
- Some minor activities are automatically authorized by statewide or regional permits if their terms and conditions are met.
- For State-owned property, Part 3710 requires a permit for all development activity in FEMA-mapped floodplains.
urban stream drainage area threshold: >= 1 square mile (regulated floodways under Part 3700) · rural stream drainage area threshold: >= 10 square miles (regulated floodways under Part 3700)
“All construction activities in the floodways of streams (the channel and the adjacent portion of the floodplain that is needed to safely convey and store flood waters) in urban areas where the stream drainage area is one square mile or more or in rural areas where the stream drainage area is ten square miles or more must be permitted by the Division prior to construction.”
Permit Program ↗Re-checked Sep 9, 2026
One more reviewed finding on this topic
- Required — Construction and other activities in floodways in Saline County, including rural streams meeting the state drainage-area threshold.
  “All construction activities in the floodways of streams (the channel and the adjacent portion of the floodplain that is needed to safely convey and store flood waters) in urban areas where the stream drainage area is one square mile or more or in rural areas where the stream drainage area is ten square miles or more must be permitted by the Division prior to construction.”
  Permit Program ↗Re-checked Sep 11, 2026
Short-term rentalsLimited
Short-term rentals in Illinois where at least one room is rented for fewer than 30 consecutive days and accommodations are reserved in advance, when the hosting platform meets the statutory definition of a re-renter.
- Beginning July 1, 2025, qualifying hosting platforms are subject to Hotel Operators’ Occupation Tax.
- The source establishes tax and registration obligations, not statewide land-use permission; local zoning and licensing may separately apply.
rental period: < 30 consecutive days
“Beginning July 1, 2025, hosting platforms for short-term rentals that meet the definition of “re-renter” are subject to Hotel Operators’ Occupation Tax.”
FY 2025-28, Hotel Operators’ Occupation Tax Updates for Hosting Platforms for Short-Term Rentals ↗Re-checked Sep 9, 2026
Permit feesVariable (with conditions)
IDNR Office of Water Resources permit application review fees for applicable floodway or public-water activities in Saline County.
- The FY2027 fee schedule is effective July 1, 2026 through June 30, 2027.
- Permit-required determinations are reviewed free of charge when sufficient information is provided.
- If a permit is required and no Statewide Permit authorization applies, a non-refundable review fee is required.
- Applications are deemed withdrawn if the review fee is not received within 90 days after notification.
- Fees vary by activity and review level; multiple applicable authorizations can add fees, subject to a $5,000 total cap.
permit-required determination fee: 0 USD (Initial determination only) · review fee: 290-5000 USD (Amounts vary by activity; total review fee capped at $5,000)
“July 1, 2026 thru June 30, 2027 [...] 1) PERMIT REQUIRED DETERMINATION: $0 [...] 2) REVIEW FEE: $ varies [...] $290 for Department documentation of construction activities that occur within the floodway boundaries of an approved delegated community. [...] The total review fee shall continue to be capped at $5,000.”
Fiscal Year 2027 Fee Notice ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Variable (with conditions) — Applications and written inquiries for Illinois Department of Natural Resources public-water, dam, and floodway work requiring authorization.
  “January 15, 2014, a new Permit Application Fee went into effect. All applications and written inquiries received will be reviewed free of charge to determine whether the Public Water, dam and/or floodway work proposed requires authorization by the Department, so long as sufficient information is provided for the Department to make that determination.”
  Permit Program ↗Re-checked Sep 9, 2026
Permit processPublished (with conditions)
IDNR Office of Water Resources permitting for floodway construction and related regulated activities in Saline County.
- In rural areas, the state floodway permit threshold is a stream drainage area of ten square miles or more.
- If the floodway has not been delineated, IDNR generally requires permits for work anywhere in the floodplain.
- Minor activities may be automatically authorized by Statewide Permits, subject to their terms and conditions.
rural stream drainage area threshold: >= 10 square miles (Floodway construction activities)
“All construction activities in the floodways of streams (the channel and the adjacent portion of the floodplain that is needed to safely convey and store flood waters) in urban areas where the stream drainage area is one square mile or more or in rural areas where the stream drainage area is ten square miles or more must be permitted by the Division prior to construction. [...] If a floodway has not been previously delineated, the Division generally requires permits for work anywhere in the floodplain. A number of common minor construction activities regulated under the Part 3700 rules are automatically authorized by statewide permits.”
Permit Program ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Published (with conditions) — Construction projects in Illinois waterways, floodplains, and wetlands seeking State and Federal authorizations through the joint permit application process.
  “Construction projects in Illinois' waterways, floodplains and wetlands often require both State and Federal authorization. This joint application is designed to simplify the approval process for the applicant seeking project authorizations from the U. S. Army Corps of Engineers, the Illinois Department of Natural Resources, the Office of Water Resources and the Illinois Environmental Protection Agency.”
  Permit Application and Instructions ↗Re-checked Sep 9, 2026
Campground & park staysLimited
Residential occupancy by a non-motorized recreational vehicle in an Illinois manufactured home community, including any such community in Saline County.
- The manufactured home community owner must approve the vehicle.
- The vehicle must contain toilet and bathing facilities.
- The vehicle must be connected to the required utilities in a permanent fashion as prescribed in the Manufactured Home Community Code.
- The vehicle must be intended to be occupied by the same person or persons for at least two consecutive months at one location.
- If larger than 8 feet by 32 feet, the vehicle must be secured as specified in the Mobile Home Tiedown Code.
- Motorized recreational vehicles shall not be located in a manufactured home community as a residence.
- This rule addresses manufactured home communities and does not establish a general countywide authorization for RV occupancy on private land.
minimum continuous occupancy at one location: >= 2 months · vehicle size threshold: > 8 feet by 32 feet (If larger, tiedown requirements apply)
“If approved by the manufactured home community owner, a non-motorized recreational vehicle that meets the following criteria may be located in a manufactured home community”
Manufactured Home Community Code ↗Re-checked Sep 11, 2026
One more reviewed finding on this topic
- Allowed (with conditions) — Overnight camping in Illinois campgrounds subject to the Campground Licensing and Recreational Area Act.
  ““Camping Day” means any 24 hour period or portion thereof during which the participants remain overnight at the site.”
  Youth Camps and Campgrounds ↗Re-checked Sep 9, 2026
county building authorityGeneral
Illinois counties adopting and enforcing building codes and issuing building permits for residential construction in unincorporated areas, subject to the statewide baseline framework.
- A municipality or county is not required to adopt a building code.
- A county that does not adopt a building code is treated as a non-building-code jurisdiction, and section 10.09-1 of the Capital Development Board Act applies.
- A county that adopts a building code must comply with section 10.18 of the Capital Development Board Act.
- Locally adopted codes must regulate residential structural design at least as stringently as the baseline International Residential Code.
- For privately funded projects, the local code official is the authority having jurisdiction; the State does not issue private-project building permits, perform plan reviews, or perform inspections.
“A municipality or county is not required to adopt building codes. If they do NOT adopt a building code then they are considered a non-building code jurisdiction and section 10.09-1 of the Capital Development Board Act (20 ILCS 3105) applies. If they do adopt a building code(s) then it must comply with section 10.18 of the Capital Development Board Act (20 ILCS 3105).”
Illinois Codes FAQ ↗Re-checked Sep 26, 2026

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

Owner-builder exemption — Owner-builder exemptions from building permits or building inspections in Saline County.
Local zoning — Local zoning in Saline County, including incorporated municipalities and unincorporated areas.
Zoning districts — Whether Saline County publishes zoning districts or a zoning-district map for unincorporated areas.
Minimum dwelling size — Minimum dwelling size for residential structures in unincorporated Saline County.
Minimum lot size — Minimum lot size requirements under Saline County land-use, subdivision, or platting rules, including unincorporated areas.

5 more unanswered

Lot coverage
Camping on your land
Tiny homes
Accessory dwellings
Mandatory utility hookup

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.

Living off-grid in Saline County, Illinois

Is Saline County a good place to live off-grid or homestead?

Saline County scores 70/100 on the Bolthole Index, a strong county profile. Its strengths: low administrative friction for a quiet rural property and manageable long-term carry cost.

Do you need a building permit in Saline County, Illinois?

Saline County does not require a county building permit for a home in unincorporated areas, and it has no county-wide zoning. Onsite septic is permitted by Egyptian Health Department (serving Gallatin, Saline, and White counties). These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Saline County, Illinois?

Land in Saline County runs about $4,910 per acre, based on the latest county data.

What is the water situation in Saline County?

Saline County gets about 48.4" of rain a year, with severe drought in roughly 2.8% of years.

How remote is Saline County?

A representative private-land location has about 31,404 people within a 30-minute drive and 1,522,284 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

Building permits, zoning and land rules in Saline County, Illinois

At a glance

Who to call

Do you need a building permit in Saline County, Illinois?

Who handles septic and other permits in Saline County?

Does Saline County have zoning?

How do septic permits work in Saline County?

Can you live in an RV or tiny home on your land in Saline County?

Building a home in Saline County: the steps, in order

What to check before you buy land in Saline County

Watch-outs

Sources

Saline County in Illinois

How Saline County scores

Find land. Bring the promising ones back.

Parcel due diligence

Answers from the rulebook for Saline County

Saline County rules

Illinois rules that apply here

Still unanswered

Living off-grid in Saline County, Illinois

Is Saline County a good place to live off-grid or homestead?

Do you need a building permit in Saline County, Illinois?

How much does land cost in Saline County, Illinois?

What is the water situation in Saline County?

How remote is Saline County?

How Saline compares in Illinois