Bolthole Index

Knox County, Nebraska

Building permits, zoning and septic rules in Crofton, Nebraska

Crofton, Nebraska requires a city building permit before excavation, construction, moving or alteration of buildings, including accessory buildings.1 Crofton sets its own zoning inside city limits in Knox County.2 Private sewage systems need a city Sewer Superintendent permit, while Nebraska’s statewide wastewater requirements apply separately.34

At a glance

Building permit
Required before covered building work; apply through the City Office15
Building permit fee
$40 for the city building permit6
Zoning
City zoning applies inside Crofton city limits2
Private sewage system
City written permit and $40 permit/inspection fee; state requirements also apply34
Driveways
Zoning permit required for new and replacement driveways7
Owner-builder
Own-property contractor-registration exemption does not waive building permits8

Who to call

Building permits

Crofton City Office — Building Permits and Inspections

City building and zoning applications, construction inspections and certificates of occupancy; ask the City Office for the Sewer Superintendent.

402-388-4766

[email protected]

1210 W. 2nd st

Building permits

Crofton City Council — building permit approval

Council approval of building permits before projects start

Septic permits

Nebraska Department of Water, Energy, and Environment Onsite Wastewater Program

State onsite-wastewater rules, certified professionals, system registration, subdivision review and site-specific permits

(402) 471-4285

[email protected]

245 Fallbrook Blvd. Suite 100 Lincoln, NE 68521

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

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Do you need a building permit in Crofton, NE?

Crofton requires the Zoning Administrative Officer to issue a building permit before excavation for buildings or accessory buildings, moving buildings, or altering buildings begins.1 Crofton’s posted building permit fee is $40; zoning ordinance fees may be set separately by city resolution.6

The city’s zoning-permit reminder also covers new and replacement driveways, fences, decks, concrete, patios and sidewalks, so a project need not be a house to require zoning approval.7 Read the city’s building permit process form, complete the application and return it to the City Office.5

Who issues building permits and inspections in Crofton?

Crofton’s Building Permits and Inspections Department issues building permits, reviews building plans and works with the Planning and Zoning Commission.9 The city conducts inspections of construction-related permits.10 Contact the City Office at 402-388-4766 or [email protected] for the application and help reaching the appropriate city official.9

Crofton’s council notice says building permits must come to the council for approval, and projects may not start before approval.11 Ask the City Office about the next review opportunity when planning your construction schedule.9

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

Crofton has adopted its own zoning regulations for land inside city limits.2 Ask the City Office to identify the parcel’s district and confirm the applicable lot size, setbacks, height and coverage before choosing a house footprint.9 We could not confirm Crofton’s private-land RV occupancy, temporary camping, tiny-home occupancy or minimum dwelling floor-area rules; ask the city about your proposed use before buying or moving a unit onto the lot.

Nebraska classifies tiny houses as manufactured homes, modular housing units or recreational vehicles, but state classification does not establish local occupancy approval.12 A building application in Crofton must show the proposed building’s dimensions and location and the existing and intended uses.1

How do septic permits work inside Crofton?

Before constructing a private sewage disposal system in Crofton, the owner must obtain a written permit signed by the city Sewer Superintendent and pay a $40 permit and inspection fee with the application.3 The Superintendent must be notified for final inspection before underground portions are covered, and the city code specifies inspection within 48 hours after notice.13

City approval is additional to Nebraska’s statewide wastewater requirements.4 New or changed onsite wastewater systems must be registered with the Nebraska Department of Water, Energy, and Environment; systems needing site-specific evaluation may also need state construction approval.14 A dwelling generating wastewater must have a compliant onsite system or connect to a public sewer or other wastewater works.15 Ask the City Office about sewer service and the Sewer Superintendent, and contact the state Onsite Wastewater Program for state requirements.916

Building a home in Crofton: what are the steps, in order?

  1. Ask the City Office to confirm the parcel’s zoning jurisdiction and review the proposed use; Crofton also reports limited land-use authority outside its boundary.9
  2. Read the permit process form and prepare the city application, including a dimensioned sketch or scale plan showing location, size, height and intended uses.51
  3. Resolve wastewater service: a public sewer connection or compliant onsite system is required, and private sewage construction needs the city’s written permit.153
  4. Return the building application to the City Office and wait for council approval before starting the project.511
  5. Arrange city construction inspections and, for private sewage systems, notify the Sewer Superintendent before covering underground work.1013

What should you check before buying land in Crofton?

For land outside Crofton, use the Knox County guide for the county’s unincorporated-area building and zoning requirements.1718 A nearby parcel still needs a jurisdiction check because Crofton reports limited authority within a one-mile distance from its boundary.9

We could not confirm Crofton-specific private-well or subdivision requirements; ask the City Office about the parcel before relying on a well or dividing the property. Nebraska’s own-property exemption concerns contractor registration and does not waive building permits, inspections or other approvals.8 Crofton’s plumbing code provision adopts portions of the Uniform Plumbing Code; ask the city which construction standards and inspections apply to your entire project.19

Watch-outs

  • Crofton’s council notice says fines will be enforced for projects started before the council issues the building permit.11
  • Crofton’s private-sewage permit is separate from statewide wastewater requirements; city approval alone does not complete state compliance.34
  • We could not confirm permission to occupy an RV or tiny home on private land in Crofton; ask the City Office before committing to that housing plan.9

Sources

  1. Crofton, Nebraska Zoning Regulations 2014 (Crofton), quoted and re-checked
  2. § 154.01 Zoning Regulations Adopted (Crofton), quoted and re-checked
  3. Chapter 53: Sewer (Crofton), quoted and re-checked
  4. Onsite Wastewater Program (Nebraska statewide rule), quoted and re-checked
  5. Building Permits & Inspections (Crofton), quoted and re-checked
  6. Building Permits & Inspections (Crofton), quoted and re-checked
  7. Building Permits & Inspections (Crofton), quoted and re-checked
  8. Nebraska Revised Statute 48-2104 — Registration required (Nebraska statewide rule), quoted and re-checked
  9. Crofton City Office — Building Permits and Inspections (cityofcrofton.com)
  10. Building Permits & Inspections (Crofton), quoted and re-checked
  11. Crofton City Council — building permit approval (cityofcrofton.com)
  12. Housing and Recreational Vehicle (Nebraska statewide rule), quoted and re-checked
  13. Chapter 53: Sewer (Crofton), quoted and re-checked
  14. Onsite Wastewater Program (Nebraska statewide rule), quoted and re-checked
  15. Onsite Wastewater Treatment Facilities: Just for Homeowners (Nebraska statewide rule), quoted and re-checked
  16. Nebraska Department of Water, Energy, and Environment Onsite Wastewater Program (dwee.nebraska.gov)
  17. Forms, Permits and Regulations, quoted and re-checked
  18. Forms, Permits and Regulations, quoted and re-checked
  19. § 53.011 Uniform Plumbing Code Adopted (Crofton), 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 Crofton

Crofton’s own rules

  • Building permitRequired

    New construction, applicable renovations and remodels, and accessory buildings within Crofton's zoning jurisdiction.

    • A permit must be issued before excavation, construction, moving, or alteration begins.
    • The application must include a dimensioned sketch or scale plan showing shape, size, height, and location, plus existing and intended uses.
    “It shall be unlawful to commence the excavation for the construction of any building, or any accessory buildings, or to commence the moving or alteration of any buildings, including accessory buildings, until the Zoning Administrative Officer has issued a building permit for such work.”
  • Building code adoptedPartial

    Plumbing construction inside Crofton city.

    • The located code provision adopts the 2018 Uniform Plumbing Code Chapters 10, 11 and 12; no broader building-code adoption was located in the reviewed material.

    code edition: 2018 Uniform Plumbing Code, Chapters 10, 11 and 12

    “There is hereby adopted by the city for the purpose of establishing rules and regulations for the construction and alteration of plumbing fixtures, that certain plumbing code known as the Uniform Plumbing Code, published by the International Conference of Building Officials, Chapters 10, 11 and 12, 2018 edition, of which not less than two copies have been and are now filed in the office of the City Building Inspector, and the same is hereby adopted and incorporated as fully as if set out at length herein. All of the provisions of said code shall be controlling in the construction of all plumbing contained within the city.”
  • InspectionsRequired

    Construction-related permits inside Crofton city.

    • The city department conducts inspections of construction-related permits.
    “conducting inspections of all construction-related permits”
  • Local zoningPresent

    Land inside Crofton city limits.

    • The city code adopts a standard zoning code by reference; the detailed zoning regulations are published by the city.
    “There is hereby established and adopted in the city the conditions, provisions, limitations and terms of a standard zoning code containing rules and regulations printed as a code in book or pamphlet form, by reference thereto to have the same force and effect as though it had been spread at large therein.”
  • Septic permitRequired

    Construction of a private sewage disposal system inside Crofton city.

    • A written permit signed by the Sewer Superintendent is required before construction.
    • The application uses a city form and may require plans, specifications, and other information.
    • A $40 permit and inspection fee is due when the application is filed.

    permit and inspection fee: 40 USD

    “Before commencement of construction of a private sewage disposal system, the owner shall first obtain a written permit signed by the Sewer Superintendent. The application for such permit shall be made on a form furnished by the city, which the applicant shall supplement by any plans, specifications and other information as is deemed necessary by the Superintendent. A permit and inspection fee of $40 shall be paid to the city at the time the application is filed.”
  • Septic inspectionRequired

    Private sewage disposal systems inside Crofton city.

    • The Sewer Superintendent may inspect at any stage.
    • The applicant must notify the Superintendent for final inspection before underground portions are covered.
    • Inspection is to be made within 48 hours after notice.

    inspection deadline: <= 48 hours (after receipt of notice)

    “A permit for a private sewage disposal system shall not become effective until the installation is completed to the satisfaction of the Sewer Superintendent. He or she shall be allowed to inspect the work at any stage of construction and, in any event, the applicant for the permit shall notify the Superintendent 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 Superintendent.”
  • Driveway accessRequired

    New and replacement driveways inside Crofton city limits.

    • A zoning permit is required for driveways and other listed man-made structures.
    “Zoning permits are required for new and replacement buildings and structures, concrete, decks, additions, fences, gazebos, driveways, patios, sidewalks, and other man-made structures obstructing the area between the earth and the sky on a property, lot, or parcel within the city limits.”
  • Permit feesPublished (with conditions)

    City building permits inside Crofton city.

    • The city webpage states that building permits are $40.00.
    • Zoning ordinance fees may be set separately by city resolution.

    building permit fee: 40 USD

    “Take a moment to read all required information provided in the building permit process form. Then print and fill out the building permit application form and return to city office. Building permits are $40.00.”
  • Permit processPublished (with conditions)

    Building permit applications inside Crofton city.

    • Applicants must read the required information in the building permit process form, print and complete the application, and return it to the city office.
    “Take a moment to read all required information provided in the building permit process form. Then print and fill out the building permit application form and return to city office.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission; ask Crofton or Knox County directly.

  • Owner-builder exemption — Owner-builder exemption for construction inside Crofton city.
  • Minimum dwelling size — Single-family dwellings inside Crofton's residential zoning districts.
  • Living in an RV — Occupancy of recreational vehicles on private land inside Crofton city.
  • Camping on your land — Temporary camping on private land inside Crofton city.
  • Tiny homes — Tiny-home occupancy inside Crofton city.
6 more unanswered
  • Manufactured homes
  • Accessory dwellings
  • Well permit
  • Agricultural exemption
  • Subdividing land
  • 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 Crofton publishes no rule on the point, not that none exists. Knox County’s page lists the county offices to call.

← All of Knox County: county rules, score and offices