Bolthole Index

Winnebago County, Illinois

Zoning, building permits and septic rules in the Village of Roscoe, Illinois

The Village of Roscoe, Winnebago County, Illinois, adopts its own zoning and requires village zoning permits for certain building projects1. The Winnebago County Building Division services the village for building permits2. Septic and well permits come from the Winnebago County Health Department3. Village hall, (815) 623-2829, answers permit questions4.

At a glance

Zoning
Village of Roscoe's own ordinance, with districts from rural estate to industrial15
Village permits
Zoning permits for decks, pools, garages, sheds, driveways and signs; apply at village hall or permits@roscoeil.gov6
Building permits and inspections
Winnebago County Building Division services the village2
Septic and wells
Winnebago County Health Department3
R1 minimum lot
9,500 sq ft, 75 ft wide, 125 ft deep7
R1 yards
30 ft front, 10 ft side, 30 ft rear8
Mobile and manufactured homes
Only in a mobile home park9
Driveways
Village driveway permit required10

Who to call

Zoning

Village of Roscoe Village Hall (zoning and permits)

Village zoning permits (decks, pools, garages, sheds, accessory buildings), driveway and right-of-way permits, and signs inside Roscoe village limits

(815) 623-2829

permits@roscoeil.gov

10631 Main Street, Roscoe, IL 61073

Building permits

Winnebago County Community Development - Building Division

Building permits, inspections and fee schedules for unincorporated Winnebago County and, under service agreements, several villages including Roscoe

(815) 319-4350

404 Elm Street, Rockford, IL 61101

Online permits →

Septic permits

Winnebago County Health Department - Center for Environmental Health (Wells and Septic Program)

Private well and septic system site verifications, questions on Winnebago County's private sewage disposal rules, and referrals for licensed well and septic contractors

815-720-4000

555 North Court Street, Rockford, IL 61103

Contact details are copied from each office’s official page and were checked against it on October 16, 2026.

Off-grid gear

Going off-grid in Village of Roscoe means bringing your own water and power. The kit we’d start with:

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Does Roscoe, Illinois have zoning, and what does it mean for lot size and setbacks?

The Village of Roscoe has its own zoning ordinance, and the village requires zoning permits for certain building and construction projects1. The ordinance establishes these districts: UT, RE, R1, R2, RM, CO, CR, CH, CG, IL, IG, IH, P/C and HC, plus a PUD overlay5. Winnebago County's own zoning covers only unincorporated land, so county zoning does not apply inside village limits11.

Dimensions depend on the district. In the R1 one-family district, a lot needs at least 9,500 square feet, 75 feet of width and 125 feet of depth7. R1 yards are 30 feet in front, 10 feet on the side and 30 feet in the rear, with a smaller front yard on parts of Main Street and Elevator Street8. R1 lots may be covered up to 30 percent12, and R1 buildings may be up to 35 feet tall13. In the RE rural estate district, a lot needs at least 22,000 square feet, 110 feet of width and 150 feet of depth14.

Do you need a building permit in Roscoe, and who issues it?

Inside Roscoe, two offices matter. The village requires zoning permits for projects such as decks, pools, garages, sheds and accessory buildings, and applications go to village hall or permits@roscoeil.gov6. The Winnebago County Building Division lists the Village of Roscoe among the municipalities it services, so building permits and inspections run through the county division2.

We could not confirm which building code the village has adopted or how its inspections work, so ask village hall before you plan a project. Illinois itself does not issue building permits for privately funded construction; any permit requirement is handled by the local government15. Statewide baseline building-code requirements took effect in 2025, and locally adopted residential codes must meet the International Residential Code structural minimums16.

How do septic and well permits work for a Roscoe address?

Septic and well permits are not a village function. The Winnebago County Health Department permits, inspects and regulates private water wells and sewage systems in Winnebago County3, and permits and inspections are required to build a new system or modify an existing one17. Contact the Wells and Septic Program at18.

We could not confirm whether a particular Roscoe lot is served by public sewer or water, or whether the village limits private systems. Ask village hall before you buy. When a property later connects to public sewer, the county code requires the old septic tank or seepage pit to be properly eliminated19. Illinois requires plan approval from the state health department or the local authority before construction of a new private sewage system begins20. Conventional drain fields suit only part of the county: about 28.8 percent of Winnebago County soils rate as not limited for a conventional drain field21.

Can you live in an RV, mobile home or tiny home in Roscoe?

In Roscoe, a manufactured or mobile home may not be lived in unless it sits in a mobile home park9. Mobile home parks are allowed only in the UT district by special use permit, on parcels of at least 5 acres9.

We could not confirm the village's rule on living in an RV or camper, or how it treats tiny homes. Ask village hall at4 before you park an RV on a lot to live in. The county's RV rule applies only to unincorporated Winnebago County, where living in an RV outside a lawfully established campground is prohibited22; the village may differ.

Building a home in Roscoe: the steps, in order

  1. Confirm the lot is inside the village. Check the tax bill: a bill that lists the Village of Roscoe means village rules apply, and a bill without it points to Winnebago County Planning and Zoning at (815) 319-43502.
  2. Check the lot's zoning district and its lot size, width and yard rules with village hall5.
  3. Check whether the lot lies in a FEMA-designated floodplain, where the village ordinance limits what can be built23.
  4. Ask the village and the county Building Division which building permits and inspections apply2.
  5. Get septic and well permits from the Winnebago County Health Department unless the lot connects to public utilities17.
  6. Apply for the village driveway permit10; a driveway onto a state or U.S. route also needs a state permit24.
  7. Submit the village zoning permit application and allow up to 2 weeks for review in peak construction season6.

What stays with Winnebago County, and what should you check before buying in Roscoe?

The county's zoning, setbacks and RV rules apply to unincorporated land, not to Roscoe11. For land outside village limits, see the Winnebago County page. Septic and wells stay with the county Health Department3, and driveways onto county-maintained highways need a county permit25.

Before buying, confirm the floodplain status, since Roscoe limits building in FEMA-designated floodplains23. Winnebago County's effective property tax rate is 2.5 percent, with a median bill of $3,850 a year2627.

Watch-outs

  • The Village of Roscoe's zoning ordinance is being amended in 2026, so confirm current district standards with village hall before relying on lot sizes and yards1.
  • Village zoning permits and county building permits are separate steps, so a village zoning approval does not replace county building permit review2.
  • We could not confirm Roscoe's building code, permit fees or RV and tiny-home rules, so ask village hall at4.

Sources

  1. Village of Roscoe Zoning Ordinance (adopted 2021-03-02 per file name; Chapter 155) (Village of Roscoe), quoted and re-checked
  2. Winnebago County Community Development - Building Division (wincoil.gov)
  3. Center for Environmental Health Improvement, quoted and re-checked
  4. Village of Roscoe Village Hall (zoning and permits) (roscoeil.gov)
  5. Village of Roscoe Zoning Ordinance (adopted 2021-03-02 per file name; Chapter 155) (Village of Roscoe), quoted and re-checked
  6. Village of Roscoe License and Permits (Village of Roscoe), quoted and re-checked
  7. Village of Roscoe Zoning Ordinance (adopted 2021-03-02 per file name; Chapter 155) (Village of Roscoe), quoted and re-checked
  8. Village of Roscoe Zoning Ordinance (adopted 2021-03-02 per file name; Chapter 155) (Village of Roscoe), quoted and re-checked
  9. Village of Roscoe Zoning Ordinance (adopted 2021-03-02 per file name; Chapter 155) (Village of Roscoe), quoted and re-checked
  10. Village of Roscoe License and Permits (Village of Roscoe), quoted and re-checked
  11. Planning & Zoning Divisions, quoted and re-checked
  12. Village of Roscoe Zoning Ordinance (adopted 2021-03-02 per file name; Chapter 155) (Village of Roscoe), quoted and re-checked
  13. Village of Roscoe Zoning Ordinance (adopted 2021-03-02 per file name; Chapter 155) (Village of Roscoe), quoted and re-checked
  14. Village of Roscoe Zoning Ordinance (adopted 2021-03-02 per file name; Chapter 155) (Village of Roscoe), quoted and re-checked
  15. Illinois Codes FAQ (Illinois statewide rule), quoted and re-checked
  16. Building Codes and Regulations (Illinois statewide rule), quoted and re-checked
  17. Center for Environmental Health Improvement, quoted and re-checked
  18. Winnebago County Health Department - Center for Environmental Health (Wells and Septic Program) (publichealth.wincoil.gov)
  19. Wells and Septic Program, quoted and re-checked
  20. 77 Ill. Adm. Code 905.190 Installation Approval (Illinois statewide rule), quoted and re-checked
  21. 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
  22. Code of Ordinances: Chapter 90, Article 23, Sec. 23.11 Commercial, Recreational & Derelict Vehicle Storage, quoted and re-checked
  23. Village of Roscoe Zoning Ordinance (adopted 2021-03-02 per file name; Chapter 155) (Village of Roscoe), quoted and re-checked
  24. Highway Permits (Illinois statewide rule), quoted and re-checked
  25. Permits & Forms, quoted and re-checked
  26. Effective property tax rate: Bolthole Index county data
  27. Median property tax bill: Bolthole Index county data

Written October 16, 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 Roscoe

Village of Roscoe’s own rules

  • Local zoningPresent

    Land inside Roscoe village limits

    • Zoning ordinance PDF is hosted on a news-site file host linked from the village page; village notice indicates ongoing Chapter 155 amendments (2026) not reviewed.
    “the village of roscoe requires zoning permits for certain building and construction projects, as well as other registration and licenses.”
  • Zoning districtsPublished

    Zoning districts inside Roscoe village

    • Districts: UT, RE, R1, R2, RM, CO, CR, CH, CG, IL, IG, IH, P/C, HC, PUD overlay.
    “in order to carry out the purposes of this chapter, the following districts are established: abbreviation ut re r1 r2 rm co cr ch cg il ig ih p/c hc pud”
  • Minimum lot sizeSpecified

    R1 one-family residential district inside Roscoe village

    • Table 155.3(a) bulk standards.

    R1 minimum site area: >= 9500 sq ft · R1 minimum lot width: >= 75 ft · R1 minimum lot depth: >= 125 ft

    “r1 9,500sf 75 ft 125 ft 35 ft 30% 9,500sf 30 ft 10 ft 30 ft”
    One more reviewed finding on this topic
  • SetbacksSpecified

    R1 one-family residential district inside Roscoe village

    • Front yard on Main Street (Grove to Elevator) and Elevator Street (Hwy 251 to Pearl) is 10-20 ft per footnote.

    R1 front yard: >= 30 ft (10-20 ft on Main/Elevator Street segments) · R1 side yard: >= 10 ft · R1 rear yard: >= 30 ft

    “r1 9,500sf 75 ft 125 ft 35 ft 30% 9,500sf 30 ft 10 ft 30 ft”
  • Lot coverageSpecified

    R1 one-family residential district inside Roscoe village (RE district is 25% per same table)

    • Table 155.3(a).

    R1 maximum lot coverage: <= 30 percent

    “r1 9,500sf 75 ft 125 ft 35 ft 30% 9,500sf 30 ft 10 ft 30 ft”
  • Building heightSpecified

    R1 one-family residential district inside Roscoe village (RE also 35 ft per same table)

    • Table 155.3(a).

    R1 maximum height: <= 35 ft

    “r1 9,500sf 75 ft 125 ft 35 ft 30% 9,500sf 30 ft 10 ft 30 ft”
  • Manufactured homesLimited

    Manufactured or mobile homes used as dwellings inside Roscoe village

    • Mobile home parks only in UT district by special use permit on parcels of at least 5 acres.
    • Exceptions: construction-project office, one watchman residence on a construction site, circus/carnival personnel by ZBA special permit.

    mobile home park minimum parcel: >= 5 acres

    “no manufactured or mobile home shall be occupied or used for living or sleeping purposes unless it is located in a mobile home park”
  • Driveway accessRequired

    Driveway construction and repair inside Roscoe village

    • Permit application listed on village permits page; criteria not reviewed.
    “row construction and repair driveway construction and repair outdoor advertising sign”
  • Building in a floodplainLimited

    Lots in FEMA-designated floodplains inside Roscoe village

    • Only uses permitted in an adjoining district; no building or structure other than agricultural fences; natural drainage grade not substantially altered.
    “zoning lots, or portions of zoning lots, located in areas designated as floodplains on fema’s flood insurance rate maps are subject to the following requirements”
  • Permit processPartial

    Zoning permits inside Roscoe village

    • Apply to village hall or permits@roscoeil.gov; up to two weeks review in peak season.
    • Applications for decks, pools, garages, sheds, accessory buildings, driveways, ROW work, signs, etc.

    peak-season review time: <= 2 weeks (may vary with volume)

    “please allow up to two (2) weeks for permit review during peak construction season.”

Still unanswered

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

  • Owner-builder exemption — Owner-builder inside Roscoe village
  • Building code adopted — Building code inside Roscoe village
  • Inspections — Building inspections inside Roscoe village
  • Minimum dwelling size — Minimum dwelling size inside Roscoe village
  • Living in an RV — RV occupancy inside Roscoe village
13 more unanswered
  • Camping on your land
  • Tiny homes
  • Accessory dwellings
  • Who permits septic
  • Septic permit
  • Septic inspection
  • Off-grid sanitation
  • Well permit
  • Mandatory utility hookup
  • Agricultural exemption
  • Subdividing land
  • 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 Roscoe publishes no rule on the point, not that none exists. Winnebago County’s page lists the county offices to call.

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