Bolthole Index

DeKalb County, Indiana

Building permits, zoning and septic in the Town of Waterloo, Indiana

The Town of Waterloo, Indiana uses town Improvement Location Permits for zoning approval; some projects also require a DeKalb County building permit.1 Waterloo has adopted its own zoning and building codes.23 Private sewage systems where public sewer is unavailable need a written town permit, and additional DeKalb County Health Department requirements may apply.4

At a glance

Zoning approval
Town Zoning Administrator reviews Improvement Location Permit applications.1
Building permit
County building permit required for some projects after town approval; confirm the scope for your project.1
Zoning
Waterloo has its own zoning code.2
Private sewage
Written town permit before construction; county health requirements may also apply.4
Sewer connection
New structures must connect to the town sewerage system.5
Single-family ILP fee
Published schedule lists $50; schedule adopted in 2005, so confirm current charges.6

Who to call

Planning & zoning

Waterloo Town Hall / Zoning Administrator

Town zoning and Improvement Location Permit questions; routing for town sewer and private sewage approvals.

260-837-7428

[email protected]

280 S. Wayne St.

Septic permits

DeKalb County Health Department, Environmental Health

County residential septic review and additional health requirements to coordinate with Waterloo town private sewage approval.

(260) 925-2220

220 E Seventh St Auburn, IN 46706

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

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Do you need a building permit in the Town of Waterloo, IN?

Waterloo’s published process starts with an Improvement Location Permit reviewed by the town Zoning Administrator; when a DeKalb County building permit is required, the applicant takes the approved town permit to the county Building Department.1 Waterloo has also adopted a town building code by reference.3 We could not confirm the complete building-permit requirement, inspection schedule or certificate-of-occupancy rule for every project inside Waterloo; ask the Zoning Administrator to identify the county building review your project needs.1

Who handles Waterloo zoning approval and permit fees?

Waterloo’s Zoning Administrator reviews completed Improvement Location Permit applications and issues approval when the application complies with the ordinance.1 Contact Waterloo Town Hall at 260-837-7428 or [email protected] to reach the town office.7 The town’s published fee schedule lists $50 for a single-family dwelling Improvement Location Permit, but the schedule is labeled adopted in 2005; confirm the current charge before filing.6 Development plans also carry consulting fees incurred by the town, with payment a condition of approval.6

Does Waterloo have zoning, and can you live in an RV or tiny home?

Waterloo has its own zoning code, incorporated as an appendix to the town ordinances.2 Waterloo’s Board of Zoning Appeals hears variances, conditional uses and other petitions for exceptions related to the town zoning ordinance.7 We could not confirm Waterloo’s rules for residential RV occupancy, temporary camping, tiny homes, manufactured homes or accessory dwellings; ask the town Zoning Administrator about your proposed use before buying.7 Ask for the parcel’s zoning district and applicable lot size, setbacks, height and dwelling-size standards alongside the Improvement Location Permit review.1

How do septic permits and sewer connections work inside Waterloo?

Waterloo requires new structures to connect to the town sewerage system; the town code also requires connection after official notice when public sewer is within 300 feet of the property line.5 Where public sewer is unavailable, private sewage construction requires a written town permit with plans, specifications and required fees.4 Waterloo will not issue a subsurface soil-absorption permit for a lot smaller than 15,000 square feet.4 Additional DeKalb County Health Department requirements may apply, so coordinate town approval with Environmental Health rather than treating either approval as sufficient alone.8

Building a home in Waterloo: what are the steps in order?

Start with the Waterloo Improvement Location Permit application: provide the completed form, filing fees, legal description and a scaled site plan showing the proposed work, lot dimensions, setbacks, streets and utility lines.1 For new construction, the Zoning Administrator obtains comments from the town Street, Water and Sewer Departments before approval.1 Take the approved town permit to DeKalb County Building Department if a county building permit is required, and post the town permit and any required building permit visibly from a public street during construction.1 For private sewage work, notify Waterloo before covering underground portions so the town can perform final inspection.9

What should you check before buying land in Waterloo?

Confirm sewer availability with Waterloo before budgeting for a private sewage system: town private sewage approval is conditional on public sewer being unavailable, and outdoor toilets are prohibited inside the corporate limits.10 DeKalb County Environmental Health recommends requesting septic records or hiring a soil scientist before buying land without public sewer; the office warns that soil characteristics, topography or available space can make a parcel unsuitable.11 Waterloo Plan Commission approval must be entered on subdivision plats or replats before county filing or recording.12 For land outside Waterloo’s town jurisdiction, consult the DeKalb County guide for the county zoning rules, which exclude other towns’ legally established planning jurisdictions.13

Watch-outs

  • Waterloo’s 15,000-square-foot threshold concerns subsurface sewage absorption approval; it does not establish the minimum residential lot size for every zoning district.4
  • Waterloo private sewage applicants must notify the town for final inspection before underground portions are covered; the code requires inspection within 48 hours of notice.9
  • We could not confirm Waterloo’s owner-builder exemption or private-well approval rules; ask the town Zoning Administrator which offices must review the proposed home and water supply.7

Sources

  1. Improvement Location Permit Application Instructions and Fee Schedule (Town of Waterloo), quoted and re-checked
  2. § 153.01 Zoning Code Adopted (Town of Waterloo), quoted and re-checked
  3. § 150.01 Building Code Adopted by Reference (Town of Waterloo), quoted and re-checked
  4. § 51.101 Private Sewage Disposal (Town of Waterloo), quoted and re-checked
  5. § 51.100 Use of Public Sewer Required (Town of Waterloo), quoted and re-checked
  6. Improvement Location Permit Application Instructions and Fee Schedule (Town of Waterloo), quoted and re-checked
  7. Waterloo Town Hall / Zoning Administrator (waterlooin.gov)
  8. § 51.101 Private Sewage Disposal (Town of Waterloo), quoted and re-checked
  9. § 51.101 Private Sewage Disposal (Town of Waterloo), quoted and re-checked
  10. § 51.100 Use of Public Sewer Required (Town of Waterloo), quoted and re-checked
  11. DeKalb County Health Department, Environmental Health (co.dekalb.in.us)
  12. codelibrary.amlegal.com (Town of Waterloo), quoted and re-checked
  13. DeKalb County Unified Development Ordinance, 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 Town of Waterloo

Town of Waterloo’s own rules

  • Building code adoptedAdopted

    Town building code inside Waterloo town limits.

    • The adopted code is incorporated by reference; the underlying code text was not available in the opened section.
    “The town building code is hereby incorporated and adopted by reference as if set forth fully in this code of ordinances.”
  • Local zoningPresent

    Land inside Waterloo town limits; Waterloo's town zoning code.

    “The town zoning code is hereby incorporated as Appendix A of this chapter.”
  • Who permits septicMixed (with conditions)

    Private sewage disposal inside Waterloo town limits where public sewer is unavailable.

    • Waterloo issues the private sewage permit and performs inspections.
    • The DeKalb County Health Department may impose additional requirements.
    • Indiana State Board of Health recommendations apply to system type, capacity, location, and layout.
    “The type, capacities, location, and layout of a private sewage disposal system shall comply with all recommendations of the State Board of Health of the State of Indiana. [...] No statement contained in this chapter shall be construed to interfere with any additional requirements that may be imposed by the DeKalb County Health Department.”
  • Septic permitRequired

    Construction of a private sewage disposal system inside Waterloo town limits when public sewer is unavailable.

    • Written town permit required before construction.
    • Application must include plans, specifications, and other information required by the town.
    • Application, permit, and inspection fees are due when filed.
    • No subsurface soil-absorption permit if the lot is less than 15,000 square feet.
    • Additional DeKalb County Health Department requirements may apply.

    minimum lot area for subsurface soil absorption: >= 15000 square feet (No permit shall be issued below this area)

    “Before starting construction of a private sewage disposal system, the owner shall first obtain a written permit signed by the town.”
  • Septic inspectionRequired

    Private sewage disposal systems inside Waterloo town limits.

    • Town may inspect at any construction stage.
    • Applicant must notify the town for final inspection before underground portions are covered.
    • Inspection must be made within 48 hours after notice.
    • Permit is ineffective until installation is completed to the town's satisfaction.

    inspection deadline after notice: <= 48 hours

    “The town shall be allowed to inspect the work at any stage of construction and the permit applicant shall notify the town when the work is ready for final inspection, and before any underground portions are covered. The inspection shall be made within 48 hours of the receipt of notice by the town.”
  • Off-grid sanitationLimited

    Off-grid sewage disposal inside Waterloo town limits.

    • Private sewage disposal is available only where public sewer is unavailable and requires a written town permit.
    • Outdoor toilets are prohibited within the corporate limits.
    • Private systems must comply with state health recommendations and any additional DeKalb County Health Department requirements.
    “Where a public sanitary or combined sewer is not available under the provision of § 51.100 (G), the building sewer shall be connected to a private sewage disposal system complying with the provisions of this chapter.”
  • Mandatory utility hookupSewer (with conditions)

    Dwellings and places of abode inside Waterloo town limits.

    • Connection is required when the public sewer is within 300 feet of the property line and after official notice.
    • New structures must be connected to the town sewerage system.
    • A private system may be used where public sewer is unavailable, subject to town permit and inspection.

    public sewer availability distance: <= 300 feet from property line (Connection required after official notice)

    “The owner shall connect such facilities with the proper public sewer per this chapter within 90 days after date of official notice to do so; provided that the public sewer is within 300 feet of the property line.”
  • Subdividing landRegulated (with conditions)

    Subdivision plats and replats within the territorial jurisdiction of the Waterloo Plan Commission.

    • No plat or replat may be filed with the DeKalb County Auditor or recorded by the DeKalb County Recorder until Waterloo Plan Commission approval is entered in writing on the plat.
    “No plat or replat of a subdivision of land located within the territorial jurisdiction of the Waterloo Plan Commission shall be filed with the Auditor or recorded by the Recorder of DeKalb County until it shall have been approved by the Waterloo Plan Commission, and such approval shall have been entered in writing on the plat by the president and secretary of the Commission.”
  • Permit feesPublished (with conditions)

    Waterloo Improvement Location Permits and related zoning/development applications.

    • Fee schedule is labeled adopted August 3, 2005.
    • Development Plans and Planned Unit Developments also require payment of consulting fees incurred by the Town; payment is a condition of approval.
    • Fees may not reflect later revisions.

    single-family dwelling improvement location permit: 50 USD · two-family dwelling improvement location permit: 100 USD · agricultural structure improvement location permit: 50 USD · zoning use permit: 50 USD (Including home occupation) · temporary use permit: 50 USD (No charge for garage sales) · development plan: 200 USD (Plus consulting fees; payment is a condition of approval) · planned unit development: 400 USD (Plus consulting fees; payment is a condition of approval)

    “Single Family Dwellings $50.00 [...] Development Plans [...] $200.00 (plus any consulting fees incurred by the Town. Payment is a condition of approval.) [...] Planned Unit Developments $400.00 (plus any consulting fees incurred by the Town. Payment is a condition of approval.)”
  • Permit processPublished (with conditions)

    Improvement Location Permit applications for property inside Waterloo town limits.

    • Application requires a completed form, filing fees, legal description, and a scaled site plan.
    • New-construction ILPs require comments from the Waterloo Street, Water, and Sewer Departments before approval.
    • The Zoning Administrator reviews compliant applications and issues the ILP.
    • If a DeKalb County Building Department permit is required, the applicant takes the ILP to that department.
    • If no county building permit is required, the applicant may start after picking up the approved ILP.
    • ILP and any required building permit must be posted visibly from a public street during construction.
    • Indiana law requires two full working days' notice to affected utilities before excavation.

    utility notice before excavation: >= 2 full working days

    “Completed Improvement Location Permit applications shall be reviewed by the Zoning Administrator. If the application is in compliance with the provisions of this Ordinance, the Improvement Location Permit shall be issued.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Town of Waterloo or DeKalb County directly.

  • Building permit — Building permits for construction inside Waterloo town limits.
  • Owner-builder exemption — Owner-builders constructing inside Waterloo town limits.
  • Inspections — Building inspections for construction inside Waterloo town limits.
  • Certificate of occupancy — Certificates of occupancy for structures inside Waterloo town limits.
  • Zoning districts — Waterloo zoning districts inside town limits.
15 more unanswered
  • Minimum dwelling size
  • Minimum lot size
  • Setbacks
  • Lot coverage
  • Building height
  • Living in an RV
  • Camping on your land
  • Tiny homes
  • Manufactured homes
  • Accessory dwellings
  • Well permit
  • Agricultural exemption
  • Driveway access
  • Building in a floodplain
  • Short-term rentals

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 Town of Waterloo publishes no rule on the point, not that none exists. DeKalb County’s page lists the county offices to call.

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