Building permits, zoning and septic in Stockton Township, Illinois

At a glance

Building permits

Required before construction or excavation on unincorporated land¹

Zoning

County zoning applies to unincorporated Stockton Township; incorporated municipal rules may differ²

Septic permits

Jo Daviess County Environmental Health reviews plans, issues septic permits and inspects systems³

Private wells

Permit, licensed well driller and inspection required⁴

Building inspections

Owner or contractor must schedule required inspections with Planning & Development⁵

Occupancy

Final occupancy certificate required before moving into county-permitted buildings⁶

Agricultural structures

Ag Exemption Statement & Affidavit required; confirm the exemption’s scope⁷

Who to call

Contact details are copied from each office’s official page and were checked against it on October 12, 2026.

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

Unincorporated Stockton Township requires a county building permit before construction or excavation, including new homes, accessory buildings, decks, structural changes or repairs, and work involving electrical wiring, plumbing or life-safety codes.¹ Accessory structures smaller than 120 square feet without electrical or plumbing are exempt from the building permit, but must still meet zoning setbacks.¹ Agricultural-structure applications require an Ag Exemption Statement & Affidavit; ask Planning & Development what the exemption covers before treating a barn as exempt from the building permit process.⁷

Who issues building permits in Stockton Township, and what do they cost?

For unincorporated Stockton Township, contact Jo Daviess County Planning & Development at 815-591-3810 or [email protected].¹ The county office is at 1 Commercial Drive, Suite 1 Hanover, IL 61041.¹ The published building-permit schedule lists a $75 base application fee and $4 per $1,000 of project cost value, with separate zoning-certificate fees and $50 for additional inspections.⁸ County building-permit review takes approximately 15–20 working days after a complete application packet arrives, so obtain the septic sign-off and prepare the plans before relying on a construction start date.¹

Does Stockton Township have zoning, lot-size rules and setbacks?

County zoning applies to unincorporated Stockton Township, while the Village of Stockton and other incorporated municipalities may have different rules.² Ask Jo Daviess County Planning & Development to identify the parcel’s zoning district and confirm that the intended residence, accessory buildings and land use fit that district.¹ We could not confirm a complete district-specific minimum-lot-size, minimum-dwelling-size or setback schedule for Stockton Township; request those dimensions from Planning & Development before commissioning a site plan.² For land elsewhere outside incorporated municipalities, see the Jo Daviess County guide.²

How do septic permits and wells work in Stockton Township?

Jo Daviess County Environmental Health reviews plans, issues septic permits and inspects new and replacement private sewage systems in unincorporated Stockton Township.³ Obtain the septic permit or sign-off before the county building permit can be issued.⁹ Septic installation inspections check location, sizing and compliance with state code and county ordinance.¹⁰ Jo Daviess County’s soil data rates only 20.3% of soils not limited for conventional drain fields; use a site evaluation to determine suitability rather than assuming the remaining land cannot support septic.¹¹ Private wells in unincorporated Stockton Township require a permit, installation by a licensed well driller and inspection.⁴

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

We could not confirm permission for RV occupancy, temporary camping or tiny-home occupancy on private land in Stockton Township; ask Jo Daviess County Planning & Development about the proposed use on unincorporated land before buying an RV or ordering a tiny home.² County zoning and adopted building codes apply to unincorporated Stockton Township, so a small footprint alone does not establish permission to live there.²¹² County-permitted buildings require a final occupancy certificate before occupancy; a construction project does not itself authorize moving into the building early.⁶

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

For a home on unincorporated Stockton Township land, use the county building-permit process and its required inspections.¹⁵

1. Ask Planning & Development to confirm zoning and any approvals needed for the intended use.²
2. Confirm safe road access with the road authority before a new address is issued.¹
3. Obtain the Environmental Health septic permit or sign-off before building-permit issuance.⁹
4. Submit the building application with 2 sets of scaled building plans and 2 copies of the survey/site plan.¹
5. Schedule footing, framing, rough-in, post-insulation and final inspections with Planning & Development.⁵
6. Wait for the final occupancy certificate before occupying the building.⁶

What should you check before buying land in Stockton Township?

For unincorporated Stockton Township, ask Planning & Development about flood exposure and ask the relevant county highway, township road or state transportation authority about driveway permits and culverts.¹ Projects vulnerable to floodwaters are subject to the county flood ordinance, with elevation certificates required before the building permit and before the occupancy permit.¹ Existing septic systems deserve attention: real-estate septic evaluations are not required by the County Health Department, but lenders or contracts may require them.¹⁰ We could not confirm public-water or sewer connection requirements or every off-grid sanitation option for Stockton Township; ask Environmental Health about the proposed water supply and wastewater system before closing.³⁴

Watch-outs

• The Village of Stockton is a separate incorporated jurisdiction; county zoning answers here cover unincorporated Stockton Township.²
• We could not confirm a general owner-builder building-permit exemption in Stockton Township; ask Planning & Development, because Illinois’s qualifying owner-occupant plumbing exemption does not establish a general construction exemption.¹³
• Work started before building-permit issuance can incur increased fees; agricultural buildings also have a stated penalty for early work.⁸

Sources

1. Jo Daviess County Planning & Development (jodaviesscountyil.gov)
2. Planning & Development Department (Stockton Township), quoted and re-checked
3. Private Sewage Disposal (Stockton Township), quoted and re-checked
4. Potable Water Supply (Stockton Township), quoted and re-checked
5. Building Permit Requirements with Application (Stockton Township), quoted and re-checked
6. Building Permit Requirements with Application (Stockton Township), quoted and re-checked
7. Building Permit Requirements with Application (Stockton Township), quoted and re-checked
8. Building Permit Requirements with Application (Stockton Township), quoted and re-checked
9. Jo Daviess County Health Department (jodaviesscountyil.gov)
10. Private Sewage Disposal (Stockton Township), quoted and re-checked
11. 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
12. Planning & Development Department (Stockton Township), quoted and re-checked
13. HB5913 Enrolled — Illinois Plumbing License Law amendment (Illinois statewide rule), 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.