Zoning, building permits and septic rules in Newport Township, Illinois

Newport Township’s own rules

• Building code adoptedAdopted (with conditions)

  Construction on unincorporated land within Newport Township.

  • Lake County's listed codes and amendments apply to unincorporated areas only.
  • The 2024 International Existing Building Code, local amendments to the 2024 International Building Code and International Residential Code, and the 2023 National Electrical Code took effect July 12, 2026.

  “The Lake County Board has adopted the following building codes with amendments.”

• Local zoningPresent (with conditions)

  Unincorporated land within Newport Township, where Lake County administers Chapter 151 rather than Newport Township.

  • The cited ordinance applies only to unincorporated Lake County; incorporated land within Newport Township is subject to its municipality's rules.

  “The unincorporated areas of Lake County are regulated by the provisions of Chapter 151:Unified Development Ordinance (UDO) of the Lake County Code of Ordinances.”

• Zoning districtsPublished (with conditions)

  Unincorporated land within Newport Township.

  • Lake County's districts and zoning maps apply only to unincorporated Lake County; incorporated property is governed by municipal regulations.

  “Under Chapter 151 (UDO) and accompanying Zoning Maps, the unincorporated areas of Lake County are divided into Zoning Districts.”

• Who permits septicCounty (with conditions)

  Onsite wastewater systems on land within Newport Township where public sewers do not exist.

  • The Lake County Health Department reviews plans and approves septic installation; other project permits depend on whether property is incorporated or unincorporated.

  “Lake County Code Chapter 171 provides the rules and regulations for onsite wastewater treatment (OWTS) in the county.”

• Septic permitRequired

  Installation of an onsite wastewater system on land within Newport Township where public sewers do not exist.

  • A soil evaluation, system design, Health Department plan review, and application by a licensed septic contractor are required.
  • The construction permit is valid for 120 days.
  • For a single-family or two-family home in unincorporated Lake County, a Site Development Permit and Health Department approval are also required.

  construction permit validity: 120 days

  “To receive approval to construct an OWTS (septic system), the following steps must be accomplished: A soil evaluation must be completed by a licensed soil classifier from either the Health Department or by an independent soil classifier.”

• Well permitRequired

  New private, semi-private, and non-community water wells within Newport Township.

  • The Water Well Program inspects each well after completion and requires a satisfactory water sample before final approval.
  • Permits are also issued for sealing abandoned wells.

  “The Water Well Program issues permits for construction of all new private, semi-private and non-community water wells, and inspects each after its completion to assure it is constructed properly.”

• Driveway accessRequired

  New single-family or two-family dwelling projects on unincorporated land within Newport Township.

  • Approval must come from the appropriate road authority, which may be the Township Highway Commission, Lake County Division of Transportation, Illinois Department of Transportation, or a private-road governing authority.

  “Driveway access approval from the appropriate highway authority such as: Township Highway Commission (PDF), Lake County Division of Transportation (LCDOT), Illinois Department of Transportation (IDOT), or private road governing authority.”

• Building in a floodplainRequired

  Development in floodplains or wetlands on unincorporated land within Newport Township.

  • The Lake County Site Development Permit is required for any floodplain or wetland development.
  • The permit may issue with or independently of a building permit depending on activity.

  “A Site Development Permit is required for projects that involve grading and/or filling activities. A Site Development Permit is also required for any development in the floodplains and wetlands and for projects that may result in soil erosion and/or drainage concerns.”

• Permit processPartial

  Site-development permit applications for unincorporated land within Newport Township.

  • Application must be made in person by the owner or authorized agent.
  • Application extensions are required if no permit issues within six months or work does not start within six months after issuance.
  • An extension may be available up to one year if construction exceeds two years; a new permit and fees are required if an extension is not granted or the permit expires.

  application extension threshold: 6 months (if permit has not been issued) · work-start extension threshold: 6 months (after permit issuance)

  “An application (PDF) for a Site Development Permit must be made in person, by either the property owner or authorized agent.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Newport Township or Lake County directly.

• Owner-builder exemption — Owner-builder work on land inside Newport Township.
• Inspections — Building inspections for land inside Newport Township.
• Certificate of occupancy — Certificates of occupancy for land inside Newport Township.
• Minimum dwelling size — Minimum dwelling size inside Newport Township.
• Minimum lot size — Minimum lot size inside Newport Township.

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.