Building permits, zoning and land rules in LaGrange County, Indiana

At a glance

Building permit

Most projects require both zoning and building permits¹

Zoning

County zoning applies outside municipalities; local requirements vary inside them²

Septic

Health Department permit, soil evaluation, site plan and final inspection required³⁶

RV living

No private-land residential rule confirmed; ask Planning and Zoning⁷⁸

Tiny home

No special tiny-home rule confirmed; zoning and building approval still apply⁷⁹

Owner-builder

A homeowner may install a residential septic system after obtaining the county permit¹⁰

Private well

No county permit required for a residential well; state separation rules still apply⁵

Conventional septic soils

0% of mapped soils rate free of severe limits¹¹

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 LaGrange County, Indiana?

Most building projects in unincorporated LaGrange County require both zoning and building permits.¹ One- and two-family residential construction follows the 2020 Indiana Residential Code, which adopts the 2018 International Residential Code with Indiana amendments.¹² The county application requires scaled site and building plans plus applicable driveway, sewer-district, town and Health Department documents.¹³ A general owner-builder exemption, building-inspection schedule and certificate-of-occupancy requirement could not be confirmed; ask the Building Department which inspections and final approvals the proposed project needs.¹⁴

Who issues building permits in LaGrange County, Indiana, and how do you reach them?

The LaGrange County Building Department handles county building applications, while Planning and Zoning handles zoning review; the application lists mdewald@lagrangecounty.org and planning@lagrangecounty.org respectively.¹⁴⁸ Allow 3 to 5 business days for application review, with scaled site and building plans and applicable supporting documents attached.¹³ In the Town of Lagrange, the county administers building permits on the town’s behalf, with Town Council approval required.¹⁵ In Topeka, the County Building Department administers building permitting and the Town Council reviews applications before issuance.¹⁶ Residential septic permits remain with the LaGrange County Health Department.¹⁷ County building and zoning fee amounts could not be confirmed; request the current total from the Building Department.¹⁴

Does LaGrange County, Indiana have zoning?

LaGrange County administers zoning for unincorporated land; incorporated municipalities may adopt the county ordinance or apply municipal requirements.² Shipshewana adopts the county zoning ordinance into its town code.¹⁸ The county building application requires a construction erosion-control plan in L-1, S-1 and U-1 districts.¹⁹ A complete current district map and dimensional schedule could not be confirmed; ask Planning and Zoning for the parcel’s allowed uses, lot size, setbacks, height and lot-coverage standards before designing a home.¹⁹⁸ The cited 200-foot A-1 setback concerns a commercial event-center variance and does not establish a universal residential setback.²⁰

How do septic permits work in LaGrange County, Indiana?

The LaGrange County Health Department requires a soil evaluation, septic site plan and permit before residential septic installation.³ For a home without sanitary sewer, obtain the written septic construction permit before starting the residence or placing manufactured, modular or mobile housing.²¹ Residential septic permits cost $75 and commercial septic permits cost $150.²² A septic permit is valid for 1 year and may be renewed if the system has not been installed.³ A homeowner may install the system for the homeowner’s residence after obtaining the permit.¹⁰ The county reviews residential systems and performs final inspections; commercial soil reports go to the Indiana Department of Health for review.¹⁷ Call the Health Department in advance to arrange final inspection before covering any part of the system.⁶ Sewer availability within 500 feet of property lines bars a septic permit; obtain the applicable sewer authority’s release note before requesting soil evaluation.⁴ Septic feasibility deserves early attention because 0% of mapped soils rate without severe limitations for conventional drain fields.¹¹

Can you live in an RV or tiny home in LaGrange County, Indiana?

We could not confirm rules allowing long-term RV living or tiny-home occupancy on private land in LaGrange County; ask Planning and Zoning about the parcel’s district, intended use, temporary stays and minimum dwelling size before purchasing a unit.⁸ Indiana’s campground rule governs regulated campgrounds and does not answer residential occupancy on an individually deeded parcel.²³ A tiny home proposed as a dwelling must be reviewed through the applicable county zoning and building process; building approval alone does not establish permission to occupy the parcel.¹² LaGrange County prohibits sewage drywells, and alternative sanitation systems require Health Department review under applicable state rules.²⁴ Nearby sewer availability can prevent approval of an onsite septic system.⁴

How do you build a home in LaGrange County, step by step?

1. Ask Planning and Zoning to identify the parcel’s jurisdiction, district, allowed residential use and setbacks.²⁸

1. Resolve sewer availability before soil evaluation; obtain any required sewer release, then submit a soil scientist’s report and septic site plan to the Health Department if an onsite system is allowed.⁴²⁵

1. Obtain driveway approval for a new cut, surface change or change of use: County Highway handles county roads; INDOT handles SR 3, SR 5, SR 9, SR 120 and US 20.²⁶

1. Prepare scaled site and building plans, including any required erosion-control plan.¹³¹⁹

1. Submit zoning and building applications with applicable town, driveway, sewer-district and Health Department documents before construction.¹¹³

1. Arrange final septic inspection before covering the installed system.⁶

What should you check before buying land in LaGrange County?

Put septic feasibility near the top of due diligence because 0% of mapped LaGrange County soils rate free of severe limitations for a conventional drain field.¹¹ Check whether sanitary sewer lies within 500 feet of the property lines because that availability prevents the Health Department from issuing a septic permit.⁴ A residential water well does not require a LaGrange County permit, but the driller must follow state separation and contamination rules; commercial wells may involve IDEM.⁵ Confirm zoning jurisdiction, district, allowed use and setbacks with Planning and Zoning.²⁸ Property in a Special Flood Hazard Area requires a certificate of elevation before occupancy, and floodway work may also require Indiana DNR approval.²⁷ Confirm driveway jurisdiction and whether a new cut, surface change or change of use needs county or INDOT approval.²⁶ The median property-tax bill is about $1,352 per year and the effective rate is about 0.5%.²⁸²⁹

Watch-outs

• Do not assume an agricultural building is exempt: the county application treats agricultural requirements as project-specific, while Indiana's agricultural classification concerns state design-release requirements.¹³⁰
• Do not cover a newly installed septic system before the Health Department's final inspection.⁶
• A homeowner may install a residential septic system with a permit, but a general owner-builder exemption from building permits was not confirmed; ask the Building Department about the proposed work.¹⁰¹⁴
• Long-term RV living, tiny-home occupancy and general minimum home size remain unconfirmed; ask Planning and Zoning about the specific proposal.⁸

Sources

1. Improvement Location/Building Permit Application, quoted and re-checked
2. Town of Shipshewana Town Code, quoted and re-checked
3. Septic Information, quoted and re-checked
4. Improvement Location/Building Permit Application, quoted and re-checked
5. lagrangecountyhealth.com, quoted and re-checked
6. Septic Information, quoted and re-checked
7. Improvement Location/Building Permit Application (2026 county census)
8. LaGrange County Planning and Zoning (lagrangecounty.org)
9. Improvement Location/Building Permit Application (2026 county census)
10. Septic Information | LaGrange County Health Department, 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. Rules of the Indiana Fire Prevention and Building Safety Commission, quoted and re-checked
13. Improvement Location/Building Permit Application, quoted and re-checked
14. LaGrange County Building Department (lagrangecounty.org)
15. Town of Lagrange: § 150.05 Designation of a Single Agency for Building (LaGrange County), quoted and re-checked
16. Town of Topeka: § 150.02 Single Agency for Building Regulation (LaGrange County), quoted and re-checked
17. Septic Information, quoted and re-checked
18. Town of Shipshewana: Town Code, quoted and re-checked
19. Improvement Location/Building Permit Application, quoted and re-checked
20. LaGrange County Board of Zoning Appeals January 21, 2025, quoted and re-checked
21. 410 IAC 6-8.3 Residential On-site Sewage Systems, quoted and re-checked
22. Septic Information, quoted and re-checked
23. Environmental Public Health: 410 IAC 6-71 Campgrounds (Indiana statewide rule), quoted and re-checked
24. lagrangecountyhealth.com, quoted and re-checked
25. Septic Information | LaGrange County Health Department, quoted and re-checked
26. Improvement Location/Building Permit Application, quoted and re-checked
27. Improvement Location/Building Permit Application, quoted and re-checked
28. Median property tax bill: Bolthole Index county data
29. Effective property tax rate: Bolthole Index county data
30. Plan Review FAQs (Indiana 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.