Bolthole Index

Grundy County, Illinois

Building permits, zoning and septic in Village of Gardner, Illinois

Village of Gardner, Illinois requires Village approval before construction, additions, accessory structures, fences or in-ground pools; start with Village Hall for building permits and inspections.1 Gardner administers its own zoning, while Grundy County Environmental Health issues septic permits.23 Gardner generally prohibits trailer and mobile-home lodging on private lots, so an RV is not an assumed place to live while building.4

At a glance

Building permits
Village approval before construction; confirm the project requirements with Village Hall1
Zoning
Village zoning applies inside Gardner village limits2
Septic permits
Grundy County Environmental Health reviews plans and issues septic permits3
RV living
Trailer lodging generally prohibited; construction-office and storage exceptions do not authorize dwelling use45
Minimum home size
R-1: a one-story dwelling needs at least 1,500 square feet of ground-floor living area6
Private wells
County Environmental Health processes well permits; Village sanitation standards also apply37
Owner-builder
Illinois allows qualifying occupants to do plumbing, subject to code and inspection requirements; local plumbing permits can still apply89

Who to call

Building permits

Village of Gardner Village Hall — Building & Zoning

Building permits, inspections and zoning inquiries inside Gardner village limits; ask Village Hall to confirm the parcel zoning and current project requirements.

(815) 237-2592

[email protected]

302 N. Center St., Gardner, IL 60424

Septic permits

Grundy County Health Department, Environmental Health Division

Private sewage disposal plan review, septic permits and installation inspections; private-well location review and well permit processing.

(815) 941-3115

[email protected]

1320 Union St. Morris, IL 60450

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 Village of Gardner means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Village of Gardner, IL?

Gardner requires Village approval before construction, additions, accessory structures, fences or in-ground pools, and Village Hall asks applicants to confirm whether their specific project requires a building permit before starting.1 Gardner has adopted building codes, including residential, electrical and energy codes, as amended.10 Illinois also has statewide baseline building-code requirements effective in 2025, so ask Village Hall which current editions and amendments govern your plans.11

Doing the work yourself does not establish a general exemption from local requirements: the Illinois owner-occupant exemption concerns qualifying plumbing work, which remains subject to code and inspection requirements, and local plumbing permits may still be required.89

Who handles building permits and zoning in Village of Gardner?

For building permits and inspections inside Gardner village limits, contact Village Hall at (815) 237-2592 or [email protected].1 Village Hall can also look up a property’s zoning classification.1 Bring the parcel address and a description of the proposed house, addition or accessory building, and ask for the application, current fee schedule, required drawings and inspection stages.

Gardner’s land-use code identifies zoning certificates, filing plans and certificates of occupancy, but the complete project-specific sequence needs confirmation with Village Hall.12 Septic approval is a separate county responsibility: Grundy County Environmental Health reviews private sewage disposal plans and issues septic permits.3

Does Village of Gardner have zoning, lot-size rules and setbacks?

Gardner has its own zoning ordinance, with Agriculture and multiple residential, business and manufacturing districts; the parcel’s district determines which standards to use.213 In Gardner’s R-1 Single-Family Residence District, detached houses require at least 15,000 square feet of lot area and 100 feet of width, with 150 feet of width on corner lots.14 R-1 yards must be at least 50 feet front and rear and 10 feet on each side; a corner side yard adjoining a street must be at least 50 feet.15

In Gardner’s Agriculture District, a single-family detached dwelling requires at least 3 acres and 198 feet of lot width.16 For a lot not of record on the sewerage chapter’s effective date, a detached house using individual sewage disposal requires at least 40,000 square feet and 150 feet of width, or more if applicable standards require it.17 Ask Village Hall which district and sanitation provisions apply together before judging a lot buildable.

How do septic permits and private wells work in Village of Gardner?

Grundy County Environmental Health reviews septic plans, issues septic permits and inspects installation work; reach the division at (815) 941-3115.3 Illinois requires plan approval before constructing a new private sewage disposal system and at least 48 hours’ notice before work begins.18 Gardner additionally requires individual sewage systems and private wells to meet applicable county, state and Village standards.7

Grundy County Environmental Health also reviews proposed private-well locations and processes well permits.3 Illinois requires a permit before constructing, modifying or sealing a water well.19 A compost toilet alone does not remove the wastewater question: Illinois allows specified human-waste alternatives but requires other domestic wastes to go into a conventional private sewage disposal system.20 Ask the Village about utility availability and the county about the proposed private-system layout before choosing an off-grid design.

Can you live in an RV or tiny home in Village of Gardner?

Gardner generally prohibits trailers and mobile homes from being occupied for lodging or dwelling purposes on any lot, except where otherwise authorized by the zoning chapter.4 Gardner’s active-construction exception permits temporary offices or storage on the development lot or a contiguous lot; that exception does not grant residential occupancy.5 Trailer parking or storage beside an existing detached house also does not authorize lodging.4

We could not confirm a separate tiny-home occupancy rule for Gardner; ask Village Hall how the proposed structure would be classified. Gardner’s R-1 minimum ground-floor living area is 1,500 square feet for a one-story dwelling, 1,100 square feet for a one-and-one-half-story dwelling, and 900 square feet for a two-story or two-and-one-half-story dwelling.6 Those are R-1 requirements, rather than a villagewide tiny-home standard.6

What are the steps before building a home in Village of Gardner?

  1. Ask Village Hall to confirm the parcel’s zoning classification, then compare the proposed house and site plan with the applicable district requirements.113
  2. Resolve water and sewage service: if proposing private systems, contact Grundy County Environmental Health for septic plan review and well permit processing.3
  3. Ask Village Hall for the building-permit application, required inspections, current fees and occupancy requirements; Gardner’s code identifies zoning certificates, filing plans and occupancy certificates.112
  4. Check floodplain status before site work: Gardner requires a Village development permit before development in designated floodplain areas.21
  5. For an access driveway involving state-highway right-of-way, contact the appropriate IDOT district and obtain the required authorization before work begins.22

For land outside Gardner village limits, read the Grundy County guide: the county’s zoning ordinance applies to unincorporated Grundy County.23

Watch-outs

  • Gardner’s Village Hall says ordinances passed or amended since the code’s full codification in 2010 are available by request; ask for amendments affecting your project.1
  • Grundy County’s temporary construction-trailer residential allowance applies to unincorporated land; Gardner’s own trailer-lodging restriction governs inside village limits.244
  • Grundy County Environmental Health says an approved water and sewage system permit is needed to obtain a building permit; coordinate private-system approvals before submitting the building project.3

Sources

  1. Village of Gardner Village Hall — Building & Zoning (villageofgardner.org)
  2. codelibrary.amlegal.com (Village of Gardner), quoted and re-checked
  3. Grundy County Health Department, Environmental Health Division (grundycountyil.gov)
  4. § 15.15.065 Trailers, Mobile Homes and Boats (Village of Gardner), quoted and re-checked
  5. § 15.15.065 Trailers, Mobile Homes and Boats (Village of Gardner), quoted and re-checked
  6. § 15.15.180 R-1 Single-Family Residence District (Village of Gardner), quoted and re-checked
  7. § 15.15.075 Sewerage and Water Systems (Village of Gardner), quoted and re-checked
  8. HB5913 Enrolled — Illinois Plumbing License Law amendment (Illinois statewide rule), quoted and re-checked
  9. 225 ILCS 320/18 — Local regulation; Department standards (Illinois statewide rule), quoted and re-checked
  10. § 15.20.015 Codes Adopted (Village of Gardner), quoted and re-checked
  11. Illinois Codes (Illinois statewide rule), quoted and re-checked
  12. Title XV Land Usage (Village of Gardner), quoted and re-checked
  13. codelibrary.amlegal.com (Village of Gardner), quoted and re-checked
  14. § 15.15.180 R-1 Single-Family Residence District (Village of Gardner), quoted and re-checked
  15. § 15.15.180 R-1 Single-Family Residence District (Village of Gardner), quoted and re-checked
  16. § 15.15.150 Agriculture District Provisions (Village of Gardner), quoted and re-checked
  17. § 15.15.075 Sewerage and Water Systems (Village of Gardner), quoted and re-checked
  18. 77 Ill. Adm. Code 905.190 Installation Approval (Illinois statewide rule), quoted and re-checked
  19. 77 Ill. Admin. Code 920.130, Water Well Permit Requirements (Illinois statewide rule), quoted and re-checked
  20. 77 Ill. Adm. Code 905.130 Human Waste Disposal (Illinois statewide rule), quoted and re-checked
  21. Title XV Land Usage (Village of Gardner), quoted and re-checked
  22. Highway Permits (Illinois statewide rule), quoted and re-checked
  23. codelibrary.amlegal.com, quoted and re-checked
  24. 8-2-3-12: Residential Storage of Trailers and Boats, 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.

Answers from the rulebook for Village of Gardner

Village of Gardner’s own rules

  • Building code adoptedAdopted

    Building construction inside Gardner village limits.

    • The listed model codes are adopted as amended.
    • The adopted editions are 2003 for the International Building, Mechanical, Fuel Gas, Fire, Property Maintenance, and Residential Codes; 2005 NFPA 70; and 2006 International Energy Conservation Code.
    “The model codes hereinafter set forth are hereby adopted by reference and made a part of this Village Code, as amended:”
  • Local zoningPresent

    Land inside Gardner village limits; Gardner adopts and administers a zoning ordinance.

    “This chapter shall be known, cited and referred to as the “Village of Gardner Zoning Ordinance of 1975”.”
  • Zoning districtsPublished

    Zoning districts inside Gardner village limits.

    • The code publishes Agriculture, R-1, R-2, R-2A, R-3, R-4, business, and manufacturing district chapters.
    • The zoning map and boundaries are separately identified in the code.
    “Zoning Districts Establishment of districts Zoning district map and boundaries of districts”
  • Minimum dwelling sizeSpecified

    Single-family detached dwellings in the R-1 Single-Family Residence District.

    • One-story dwellings have a 1,500-square-foot minimum.
    • One-and-one-half-story dwellings have a 1,100-square-foot minimum.
    • Two-story or two-and-one-half-story dwellings have a 900-square-foot minimum.

    ground-floor living area, one-story dwelling: >= 1500 square feet · ground-floor living area, one-and-one-half-story dwelling: >= 1100 square feet · ground-floor living area, two-story or two-and-one-half-story dwelling: >= 900 square feet

    “One-story dwellings not less than 1,500 square feet; and Dwellings having more than one story: (a) Not less than 1,100 square feet for one and one-half story dwelling; and (b) Not less than 900 square feet for a two story or two and one-half story dwelling.”
  • Minimum lot sizeSpecified

    Single-family detached dwellings in the Agriculture District.

    • The Agriculture District provision requires a lot of at least three acres and 198 feet width.

    lot area: >= 3 acres · lot width: >= 198 feet

    “Single-family detached dwelling on a lot not less than three acres in area and 198 feet (12 rods) in width;”
    One more reviewed finding on this topic
    • Specified — Single-family detached dwellings in the R-1 Single-Family Residence District.
      “Single-family detached dwellings not less than 15,000 square feet. [...] Single-family detached dwellings not less than 100 feet, except corner lots, which shall be not less than 150 feet;”
  • SetbacksSpecified

    Single-family detached dwellings in the R-1 Single-Family Residence District.

    • Corner lots require a side yard adjoining a street of at least 50 feet.

    front yard: >= 50 feet · side yard: >= 10 feet (each of two side yards; corner side yard adjoining a street is 50 feet) · rear yard: >= 50 feet

    “Front yard. Not less than 50 feet. Side yards. Two side yards, each side yard shall have a width of not less than ten feet, except on corner lots, the side yard adjoining a street shall be not less than 50 feet in width. Rear yard. Not less than 50 feet.”
  • Building heightSpecified

    Single-family detached dwellings in the R-1 Single-Family Residence District.

    • The limit is two and one-half stories or 35 feet, whichever is lower.
    • Certain rooftop structures may exceed the limit when recommended and approved by the Village Council.

    height: <= 35 feet (or two and one-half stories, whichever is lower)

    “Single-family detached dwellings not more than two and one-half stories or 35 feet whichever is lower;”
  • Living in an RVProhibited

    Trailer, travel-trailer, camping-trailer, or mobile-home occupancy on lots inside Gardner village limits.

    • Temporary offices or storage space incidental to active construction are excepted when located on the same lot as the development or a contiguous lot.
    • One travel trailer or camping trailer may be stored or parked in the rear or side yard of a lot containing a single-family detached dwelling, but the provision does not authorize lodging occupancy.
    “Except as may otherwise be authorized or permitted herein, trailers and mobile homes shall not be occupied for lodging or dwelling purposes on any lot.”
  • Manufactured homesLimited

    Manufactured/mobile-home occupancy inside Gardner village limits.

    • Mobile homes are generally excluded as principal or accessory buildings and from lodging or dwelling use unless otherwise authorized or permitted by the zoning chapter.
    • The chapter index separately lists R-4 Mobile Home standards, but those standards were not opened within the research budget.
    “Except as may otherwise be authorized or permitted herein, trailers and mobile homes shall not be permitted in any district as a principal or accessory building, except when used as temporary offices or storage space incidental to construction of a building development for the period of times the construction is actively undertaken, and provided trailers and mobile homes used for the purposes are located on the same lot as the building development, or a lot contiguous thereto.”
  • Off-grid sanitationAllowed (with conditions)

    Individual sewage disposal systems and private wells serving property inside Gardner village limits.

    • Installation must comply with applicable county, state, and village standards.
    • The ordinance contains lot-area and lot-width requirements for certain lots and allows the Village Council to require public or community systems in specific cases where practical.
    “Installation of individual sewage disposal systems and private wells or community sewerage and water systems shall be in accordance with standards and specifications set forth in applicable laws of the county, state and the village.”
  • Mandatory utility hookupConditional

    New development and building lots inside Gardner village limits.

    • A lot not of record on the chapter's effective date used for a single-family detached dwelling with an individual sewage disposal system must meet 40,000 square feet and 150 feet width, or more if required by applicable standards.
    • Individual sewage disposal systems, private wells, or community sewerage and water systems must comply with county, state, and village standards.
    • For certain nonresidential uses, the Village Council may require public or community sewerage and/or water connections when practical.

    minimum lot area for specified individual sewage system lots: >= 40000 square feet (or a greater area if required) · minimum lot width for specified individual sewage system lots: >= 150 feet (or greater width if required)

    “The Village Council may require, in specific cases, that the uses shall be served with public or community sewerage systems and/or water systems when it is found practical to make connections with nearby public or community sewerage and/or water systems or to install the systems.”
  • Subdividing landRegulated (with conditions)

    Subdivision of land inside Gardner village limits.

    • The Village Code contains a dedicated Subdivisions chapter with procedures for preliminary and final plats, subdivision design standards, required improvements, agreements, and fees.
    “Procedure Preliminary plat Plans and specifications for land improvements Final plat Agreements Subdivision design standards”
  • Building in a floodplainRequired

    Development in designated floodplain areas inside Gardner village limits.

    • The floodplain chapter identifies a development-permit requirement and related standards, but the operative permit text was not opened within the research budget.
    “No person, firm, corporation or governmental body not exempted by law shall commence any development in the floodplain without first obtaining a development permit from the village.”
  • Permit processPartial

    Land-use and subdivision approvals inside Gardner village limits.

    • The code index identifies zoning-request requirements, zoning certificates, filing plans, subdivision procedures, preliminary and final plats, and occupancy permits.
    • The complete building-permit process was not established.
    “Administration and Enforcement Zoning certificates Filing plans Certificate of occupancy”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Village of Gardner or Grundy County directly.

  • Building permit — Building permits for construction inside Gardner village limits.
  • Owner-builder exemption — Owner-builder exemptions inside Gardner village limits.
  • Inspections — Building inspections inside Gardner village limits.
  • Certificate of occupancy — Certificates of occupancy for buildings inside Gardner village limits.
  • Lot coverage — Lot coverage inside Gardner village limits.
10 more unanswered
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Septic permit
  • Septic inspection
  • Well permit
  • Agricultural exemption
  • Driveway access
  • Short-term rentals
  • Permit fees

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.

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

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