Bolthole Index

Rock Island County, Illinois

Building permits, zoning and septic in Moline Township, Illinois

Moline Township, Illinois requires a boundary check: inside Moline city limits, the City requires building permits for new homes and remodeling and administers city zoning.12 Unincorporated township properties outside Moline’s municipal boundaries fall under Rock Island County zoning.3 Septic systems where municipal sewer is unavailable go through the Rock Island County Health Department.4

At a glance

Building permits
City permits required for new buildings and remodeling inside Moline city limits1
Zoning
City districts inside Moline; county zoning on unincorporated township land23
Septic approval
Rock Island County Health Department for private sewage installation or repair5
Accessory dwellings
Allowed only in the city’s R-2 district, subject to conditions6
Move-in approval
City certificate of occupancy required for covered projects before use7
Owner-builder plumbing
Qualifying owner occupants may do plumbing; local permits and inspections can still apply89

Who to call

Building permits

City of Moline Building / Inspections Division

City of Moline Building / Inspections Division

309.524.2370

[email protected]

Zoning

City of Moline Residential Zoning

City of Moline Residential Zoning

309.524.2033

Roads & driveways

City of Moline Engineering

City of Moline Engineering

309.524.2350

Septic permits

Rock Island County Health Department

Rock Island County Health Department

309-793-1955

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 Moline Township means bringing your own water and power. The kit we’d start with:

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Do you need a building permit in Moline Township, IL?

Inside the incorporated City of Moline portion of Moline Township, building permits are required for new buildings, additions, renovations, electrical work, plumbing and HVAC work.1 City building permits also cover sheds over 120 square feet and retaining walls over 4 feet.1 Moline requires permit payment and issuance before construction begins.10

For residential construction inside Moline city limits, the City has adopted the 2021 International Residential Code and its appendices unless deleted.11 Ask the City Building / Inspections Division to identify the building application and trade approvals needed for your proposed work.12

Who issues building permits in Moline Township?

For a Moline Township parcel inside city limits, start with the City of Moline Building / Inspections Division for building permits.1 The City reviews drawings, specifications and the permit application before issuing a building permit, and attempts to review plans within 10 working days of receipt.10 Submit the plans early rather than treating that target as a guaranteed construction start date.10

Ask Building / Inspections for the applicable building fees and certificate-of-occupancy deposit before budgeting the project.12 For covered city projects, the occupancy deposit is 1% of construction valuation or $250, whichever is greater, capped at $10,000; an equal or greater performance bond can replace cash.13

Does Moline Township have zoning, lot-size and setback rules?

Moline city zoning applies to the incorporated City portion of Moline Township, with standards that vary by district.2 Unincorporated properties outside Moline’s municipal boundaries are under Rock Island County zoning jurisdiction.3 For land outside the city, use the Rock Island County guide for the county’s unincorporated-area zoning answer.3

Inside city limits, ask City Residential Zoning to identify the parcel’s district before choosing a house footprint or accessory dwelling.14 Moline allows accessory dwelling units only in R-2, requires the owner to permanently reside in the main dwelling or ADU, and prohibits a separate driveway or curb cut for the ADU.6 A coach house requires a lot of at least 6,500 square feet.6

How do septic permits work in Moline Township?

For Moline Township properties without current access to municipal sewer service, the Rock Island County Health Department provides private sewage services under Illinois sewage codes.4 Installation or repair of a private sewage disposal system requires health-department approval through the county application.5 Illinois requires plan approval before septic construction and notification to the Department or local authority at least 48 hours before installation, repair or modification begins.15

Rock Island County’s soils figure is countywide: 40.6% of soils are rated not limited for conventional septic drain fields, so the figure cannot establish whether a particular township lot will support a conventional system; a site evaluation or engineered system may still be needed.16 The health department offers inspections and consultations for existing and new septic systems.4

Can you live in an RV or tiny home in Moline Township?

We could not confirm a complete temporary-camping, tiny-home or manufactured-home occupancy rule for every Moline Township parcel; ask City Residential Zoning about the proposed use inside Moline city limits.14 Moline’s city district standards vary, so approval for an accessory dwelling should be checked against the actual district rather than assumed from the township name.26

For an accessory dwelling inside Moline city limits, only one ADU is allowed per lot and the owner must permanently reside in either the principal dwelling or ADU.6 A Moline ADU cannot be used as a short-term rental or Vacation Rental Unit.17 Ask City Residential Zoning specifically about dwelling floor area, setbacks and the intended occupancy before purchasing a small house or trailer.14

Building a home in Moline Township: what are the steps?

  1. Confirm whether the Moline Township parcel is inside Moline city limits; unincorporated land outside the municipal boundary is under county zoning.3
  2. For a city parcel, ask City Residential Zoning to identify the applicable district standards.14
  3. If municipal sewer is unavailable, obtain Rock Island County Health Department approval for the private sewage system before installation.45
  4. Submit city building drawings, specifications and the application; wait for building permit approval, payment and issuance before construction.10
  5. Arrange the inspections required by the city permit card, giving at least 24 hours’ notice.18
  6. For a covered city residential project, obtain the certificate of occupancy before moving in and request it before the building permit expires.7

What should you check before buying in Moline Township?

The Rock Island County Health Department’s Environmental Health contact handles well water testing and septic inspections for Moline Township buyers.19 Ask the health department about the proposed water supply alongside sewage disposal, rather than treating a building permit as approval of both systems.195

Ask Moline Engineering about sidewalk and driveway-approach approvals for a city parcel.20 We could not confirm a complete floodplain development process for every township parcel; ask City Building / Inspections which flood-hazard review applies before committing to a design.12 Rock Island County’s effective property tax rate is 2.3%, a county-level figure rather than a quote for a particular Moline Township property.21

Watch-outs

  • City building permits and zoning apply to the incorporated City portion of Moline Township; unincorporated township land outside Moline’s municipal boundaries has county zoning.13
  • We could not confirm a general owner-builder exemption for Moline Township; ask City Building / Inspections about required building and trade approvals inside city limits.12
  • The city occupancy deposit is refundable only when the required final inspections are complete and the certificate request is received before permit expiration.13

Sources

  1. Permit Process (Moline Township), quoted and re-checked
  2. Zoning Standards & Zoning Map (Moline Township), quoted and re-checked
  3. Zoning Standards & Zoning Map (Moline Township), quoted and re-checked
  4. Water and Sewage, quoted and re-checked
  5. Application to Install or Repair Private Sewage Disposal System, quoted and re-checked
  6. Sec. 35-3411. Accessory residential land uses (Moline Township), quoted and re-checked
  7. Sec. 8-1500. Certificates of Occupancy (Moline Township), 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. Permit Process (Moline Township), quoted and re-checked
  11. Sec. 8-2200. International Residential Code adopted (Moline Township), quoted and re-checked
  12. City of Moline Building / Inspections Division (moline.il.us)
  13. Sec. 8-1500. Certificates of Occupancy (Moline Township), quoted and re-checked
  14. City of Moline Residential Zoning (moline.il.us)
  15. 77 Ill. Adm. Code 905.190 Installation Approval (Illinois statewide rule), quoted and re-checked
  16. 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
  17. Sec. 35-3411. Accessory residential land uses (Moline Township), quoted and re-checked
  18. Permits & Inspections (Moline Township), quoted and re-checked
  19. Rock Island County Health Department (rockislandcountyil.gov)
  20. City of Moline Engineering (moline.il.us)
  21. Effective property tax rate: Bolthole Index county data

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 Moline Township

Moline Township’s own rules

  • Building permitRequired

    New buildings, additions, renovations/remodels, plumbing, electrical, HVAC, residential work, and listed structures in the incorporated City of Moline portion of Moline township.

    • The City lists permits for additions, demolitions, electrical systems, HVAC, new buildings, plumbing systems, renovations/remodels, residential work, sheds over 120 square feet, retaining walls over four feet, solar installations, and city sidewalks and approaches.
    • No work may begin until the permit is issued and paid.

    shed threshold: > 120 sq ft · retaining wall threshold: > 4 feet

    “Permits are required for the following: [...] New buildings [...] Renovations/Remodels (garage conversions, basement finishing, kitchen expansions, re-roofing, etc.)”
  • Building code adoptedAdopted

    One- and two-family residential construction in the incorporated City of Moline portion of Moline township.

    • The cited ordinance adopts the 2021 International Residential Code and its appendices unless deleted.

    code edition: International Residential Code, 2021 Edition (all appendices unless deleted)

    “The International Residential Code, 2021 Edition, and all appendices, unless deleted, published therewith, as published by the International Code Council, is hereby adopted by reference as the “Moline Residential Code,” and is incorporated herein by reference thereto as if it were set out in haec verba.”
  • InspectionsRequired

    Permitted construction in the incorporated City of Moline portion of Moline township.

    • Required inspections depend on the building-code scope and permit card.
    • The City requires at least 24 hours' notice to schedule inspections.

    notice: >= 24 hours

    “Required Inspections means mandatory inspections as outlined (in the building and residential codes) on the permit card and based on the scope of the project.”
  • Certificate of occupancyRequired

    New commercial and residential buildings, additions, remodels, and occupancy changes in the incorporated City of Moline portion of Moline township.

    • No building or structure may be used or occupied before issuance unless exempted.
    • Exemptions include detached accessory structures, retaining walls, pools/hot tubs/spas, fences, decks, staircases, open porches, signs, windows, doors, roofs, siding, and demolition.
    • A certificate request must be made before permit expiration and before occupancy.

    deposit: 1% of construction valuation or $250, whichever is greater, capped at $10,000 USD (A performance bond of equal or greater value may replace cash.)

    “No building or structure shall be used or occupied, and no change in the existing occupancy classification of a building or structure or portion thereof shall be made until the code manager has issued a certificate of occupancy therefor as provided in the International Residential Code and International Building Code unless exempted as set forth in subsection (e) below.”
  • Zoning districtsPublished

    The incorporated City of Moline portion of Moline township.

    • The City identifies 15 districts: four residential, two resource, two office, five business, and two industrial.
    • District standards and regulations vary by district.

    zoning districts: 15 districts

    “The zoning code and map divides the City into 15 zoning districts to promote compatibility of land uses, including: [...] 4 residential districts (R-2, R-4, R-6, R-7) [...] 2 resource districts (AG-2, C-2) [...] 2 office districts (O-1, ORT) [...] 5 business districts (B-1, B-2, B-3, B-4, NC) [...] 2 industrial districts (I-1, I-2)”
  • Accessory dwellingsAllowed (with conditions)

    Accessory dwelling units in the incorporated City of Moline portion of Moline township.

    • ADUs are permitted only in R-2.
    • The owner must permanently reside in either the principal dwelling or ADU.
    • Only one ADU is allowed per lot.
    • ADUs cannot be used as short-term rentals and cannot have a separate driveway or curb cut.
    • Coach houses require a minimum 6,500-square-foot lot.

    coach-house minimum lot area: >= 6500 sq ft · ADUs per lot: 1 unit

    “Accessory Dwelling Units (ADUs) are permitted only in the “R-2” One-Family Residence District, and subject to the applicable development standards, building codes, and other requirements of this section.”
  • Short-term rentalsLimited

    Accessory dwelling units in the incorporated City portion of Moline township.

    • The ADU provision expressly prohibits use as a short-term rental or Vacation Rental Unit.
    • This claim does not establish the City's complete short-term-rental rules for principal dwellings.
    “An Accessory Dwelling Unit cannot be used as a short-term rental or “Vacation Rental Unit” as defined by Chapter 8 of the Moline Code of Ordinances.”
  • Permit feesPublished (with conditions)

    Certificate-of-occupancy deposits for covered building permits in the incorporated City portion of Moline township.

    • The deposit is refundable if required final inspections are complete and the certificate request is received before permit expiration.
    • A performance bond of equal or greater value may replace cash.

    certificate-of-occupancy deposit: 1% of construction valuation or $250, whichever is greater, maximum $10,000 USD (Exemptions in Sec. 8-1500(e) and development-agreement projects)

    “The certificate of occupancy deposit amount shall be equal to one percent (1%) of the total valuation of the construction cost of the project or two hundred fifty dollars ($250.00), whichever is greater, up to a maximum of ten thousand dollars ($10,000.00).”
  • Permit processPublished (with conditions)

    Building permit applications in the incorporated City portion of Moline township.

    • Plans, specifications, and the permit application are reviewed before issuance.
    • The City attempts to review plans within 10 working days of receipt.
    • Permit payment and issuance are required before construction begins.

    target review period: 10 working days (The page says the city attempts to review within this period.)

    “Once your drawings, specifications, and permit application have been reviewed and approved, you will be issued a building permit. The review process can take time so submit your application and plans as soon as possible. The city attempts to review all plans within 10 working days of receipt.”

Rules another office applies inside Moline Township

Moline Township does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Local zoningVaries (with conditions)

    Any unincorporated land within Moline township and outside Moline municipal boundaries.

    • This is a county rule applying only to the unincorporated portion of the township; it is not Moline township's own ordinance.
    • The City page does not state that all Moline township land is incorporated.
    “Unincorporated properties located outside Moline's municipal boundaries are subject to Rock Island County zoning jurisdiction.”

Still unanswered

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

  • Owner-builder exemption — Owner-builder exemption from building, plumbing, electrical, or other permits inside Moline township.
  • Minimum dwelling size — Single-family residential districts in the incorporated City portion of Moline township.
  • Camping on your land — Temporary camping on land inside Moline township.
  • Tiny homes — Tiny-home occupancy inside Moline township.
  • Manufactured homes — Manufactured-home occupancy inside Moline township.
3 more unanswered
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain

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 Moline Township publishes no rule on the point, not that none exists. Rock Island County’s page lists the county offices to call.

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