Flat irrigated potato and grain fields on the Upper Snake River Plain with a lava outcrop and a jagged snow-streaked range on the horizon.
Jefferson County, Idaho Idaho Falls & Eastern Idaho

Barndominium Builders in Rigby, Idaho

Rigby is a small farm town in Jefferson County, north of Idaho Falls, and it offers more room than the bigger cities to the south: in-town lots with city water and sewer, and irrigated ground just past the limits. A barndominium inside the city is a house like any other, so it starts with the city's zoning certificate and then a building permit, which the county issues for Rigby. That split matters: you deal with Rigby's Planning and Zoning office on what can go where, and the Jefferson County building department on plan review and inspections. On an in-town lot a compact home with a tall garage bay fits best; on the edge of town a pole barn home with a real shop becomes realistic. Barndominium kits suit a buyer with a crew ready to raise the frame, while a custom plan fits the layout to the lot and to any canal setback. If the parcel is outside the limits, our Jefferson County page covers the county's zones. Send the parcel through the survey and we will confirm which side of the line it sits on before we price anything.

Rigby at a glance

Principal county
Jefferson County
Building permit
County building department
Land use
City planning and zoning
Wastewater
Public sewer

Pole Barn Homes near Rigby

A pole barn home sets its frame on posts and trusses (the engineering term is post-frame), which often suits a simple, wide layout with a shop bay under the same roof. Whether it fits your parcel comes down to the zoning and the site, set out below.

Permits, Zoning and Septic in Rigby

The building permit, the zoning and the septic permit can come from three different offices. Here is who decides each part in Rigby, taken from the office or document that publishes it. Rules change, so check them again against your parcel before anything is drawn.

Who issues the building permit County building department

Jefferson County Planning, Zoning & Building Department (for the City of Rigby)

The county issues building permits inside the city: Jefferson County's Planning, Zoning & Building Department says its building permit services extend to the cities of Rigby, Menan and Lewisville, applying the same codes it uses in the county. Applications go through the county's online portal, and for a Rigby house the file includes a City of Rigby zoning certificate.

Source: Planning, Zoning & Building, Jefferson County (jcgov.us)

Who decides the land use City planning and zoning

City of Rigby Planning & Zoning

Rigby requires a building permit for all construction, remodels and additions inside the city limits, and its city code allows no building or land use other than what the lot's zoning district permits. The Planning & Zoning Administrator at City Hall takes the zoning application and explains the next steps, and the city publishes its zone map.

Source: Building Department, City of Rigby (cityofrigby.gov)

Sewer or septic Public sewer

City of Rigby sanitary sewer

The City of Rigby provides culinary water, sanitary sewer and garbage service to residents inside its corporate limits, so an in-town house connects to city sewer rather than a septic system. Opening the utility account is done in person at City Hall.

Source: City Utility Information, City of Rigby (cityofrigby.gov)

Canal questions on the permit
The county's Rigby house application asks whether there are canals on the property, the canal's name and the distance from its high water mark, and the site plan must show canals and rivers along with setbacks and easements (help sheet dated 2 January 2024, read 27 Sep 2026).

Source: Rigby Single Family Dwelling, Townhouse and Additions Help Information, Jefferson County (jcgov.us)

Septic outside the city sewer
Past the city's sewer, Eastern Idaho Public Health handles the wastewater application, the onsite evaluation, the permit and the inspection for a septic system in Jefferson County (read 27 Sep 2026).

Source: Septic, Eastern Idaho Public Health (eiph.id.gov)

Building on land near Rigby

Rigby sits in irrigated farm country, so the first check on any lot is water on the ground: canals and laterals cut across town and the fields around it, and a ditch carries a right-of-way that a house, fence or shop cannot sit in without the owner's written permission. Inside the limits, confirm the zone on the city map and whether the lot has city water and sewer at the street. Just outside, you are on county land, with a septic permit from Eastern Idaho Public Health and a private well that needs an IDWR drilling permit and a licensed driller. Winters here are long and cold, so the snow load and footing depth for your site come from the building official, not a figure from elsewhere. Flat ground makes for simple slab and pole foundations, but check the flood zone question the county asks on every application.

Have land in or near Rigby? Tell us about the parcel and what you want on it, and we will check it against the local rules before anything is drawn.

Building in Rigby: questions

Start the survey
How much does it cost to build a barndominium in Rigby?
It depends on the lot more than the town. City water and sewer hookups, or a septic system and well just outside the limits, site work around any canal, and the finish level inside all move the total. We price against the actual parcel and plan. For third-party cost ranges and what pushes them up or down, see our barndominium cost guide.
Do I need a building permit for a barndominium in Rigby?
Yes. Rigby requires a permit for all construction inside the city, and the building permit itself is issued by Jefferson County's Planning, Zoning & Building Department, which serves the city. You start with the city's zoning certificate, then file the house application on the county portal. Licensed trade contractors handle the electrical, plumbing and HVAC permits.
Can I build a barndominium with a shop on a Rigby lot?
Usually, if the use is allowed in the lot's zoning district and the house and shop meet its setbacks. Rigby's Planning & Zoning Administrator confirms the district and issues the zoning certificate that the county permit needs. Send us the address through the survey and we will check the zone map and any canal on the lot first.
Where is the acreage around Rigby?
Outside the city limits, in unincorporated Jefferson County, where the county's agricultural and residential zones set how many homes a parcel can carry. Buy only after checking the parcel's building rights with the county, because a parcel split outside the rules can lose them.

Other places near Rigby

Nearby places with their own pages. Across a city limit or a county line the permit office, the zoning and the septic rules can change, so each is covered separately.

Building in Rigby?

Start with the survey. Tell us where the land is and what you want on it, and we will come back with which offices decide it, what the zoning allows, and a plan to fit.