Barndominium Builders in Post Falls, Idaho
Post Falls sits on the prairie west of Coeur d'Alene, and most of the city is now subdivided into platted neighbourhoods, so the typical barndominium project here is a single-family house with a big shop bay on a larger lot at the edge of town. The city does keep a suburban single-family zone meant for estate-sized lots, with or without accessory farm uses, and that is where a shop house fits most comfortably inside the limits. We build finished homes and also supply barndominium kits to owners with their own crew, and a pole barn home is often the most economical frame for a wide shop. On a subdivision lot a custom plan usually pays for itself, because setbacks and lot coverage decide how much shop you can fit. Buyers who need five acres or more for animals, equipment or privacy usually end up outside the city, where our Kootenai County page takes over and septic rules on the aquifer become the deciding factor. Start with the survey: give us the parcel and we will check the zone, the sewer connection and whether the city or the county issues your permit.
Post Falls at a glance
- Principal county
- Kootenai County
- Building permit
- City building department
- Land use
- City planning and zoning
- Wastewater
- Public sewer
Barndominium Kits and Plans for Post Falls
The parcel decides the budget more than the floor area does, so each option is priced against your land rather than a rate card.
Barndominium Kits
Barndominium kits for sale in Idaho: steel and pole barn shell kits sized to the snow load your building department sets, with honest help on kit prices.
Custom Plans
Custom barndominium plans for Idaho land, drawn around your site, snow load and zoning, and the Idaho residential code your building department enforces.
Pole Barn Homes near Post Falls
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.
Metal Building Homes and Shop Houses in Post Falls
A steel frame, or a shop with living quarters under the same roof: choose the structure first, then check it against the zoning below.
Metal Homes
Metal building homes in Idaho, finished as real houses: insulated for long winters, detailed against condensation, and clad for wildfire country.
Shouses
Shop houses in Idaho: a heated working shop and a home under one roof, planned around your zoning, snow load and the residential code.
Steel Construction
Steel and metal building construction in Idaho: red-iron frames and steel building kits for barndominiums, sized to your site's snow load.
Permits, Zoning and Septic in Post Falls
The building permit, the zoning and the septic permit can come from three different offices. Here is who decides each part in Post Falls, taken from the office or document that publishes it. Rules change, so check them again against your parcel before anything is drawn.
City of Post Falls Community Development, Building Division
Inside the city limits the Building Division reviews plans, issues permits and inspects new houses, with applications, uploads and inspection scheduling handled through the city's online Community Development Portal. The city also issues its own plumbing and electrical permits and inspections. A parcel past the city boundary is handled by the Kootenai County Building Division.
Source: Building, City of Post Falls (postfalls.gov)
City of Post Falls Community Development, Planning Division
Zoning sits in Title 18 of the city code. The Single-Family Residential Suburban zone recognises existing rural residential large-lot uses, is intended to provide estate-sized lots with or without accessory agricultural uses, and sets a one-acre minimum lot area per dwelling with 25 percent maximum lot coverage. Most other residential zones allow far smaller lots.
Source: Zoning Codes, City of Post Falls Planning Division (postfalls.gov)
City of Post Falls Public Works, Water Reclamation Division
The Water Reclamation Division collects wastewater from all city properties through 194 miles of gravity sewer and 29 lift stations, and treats it at the city's plant on the western side of town. A house inside the city connects to that system; ask for the connection route when the lot is chosen.
Source: Water Reclamation, City of Post Falls (postfalls.gov)
- Septic on the aquifer, just past the city line
- Panhandle Health District's septic guidelines say a septic system on the Rathdrum Aquifer needs a parcel of at least five acres, unless the parcel was created before 20 December 1977 or lies inside a municipal sewage management area approved by the district's Board of Health. Edge-of-town land without sewer is judged against that rule (guidelines revised June 2026, read 27 Sep 2026).
- Where the city's permit area stops
- Kootenai County's Building Division states that it has jurisdiction over structures erected within the county but not within city limits, and that state inspectors handle plumbing and electrical inspections on county land. A parcel just outside Post Falls therefore has a different permit office and different trade inspectors (read 27 Sep 2026).
Source: Sewage System Permit Application and Installation Guidelines, Panhandle Health District (panhandlehealthdistrict.org)
Source: Building, Kootenai County Community Development (kcgov.us)
Building on land near Post Falls
Start by confirming which side of the city line the parcel is on, because the permit office, the trade inspectors and the sewer question all flip at that line. Inside the city, check the zone: the suburban single-family zone gives the room a shop house needs, while the smaller-lot zones leave little space beside the driveway, and many subdivisions add covenants on outbuildings and materials. Outside the sewer the aquifer septic rule can make a small parcel unbuildable for a house. If an irrigation lateral or a drainage swale crosses the land, find out who holds the easement before you site the building.
Other places in this part of Idaho
Coeur d'Alene & the Idaho Panhandle
Have land in or near Post Falls? 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 Post Falls: questions
Start the surveyHow much does it cost to build a barndominium in Post Falls?
Do I need a building permit for a barndominium in Post Falls?
Which Post Falls zones suit a barndominium with acreage?
Keep reading
What usually comes next once you know what Post Falls allows.
Barndominium Cost Guide
Sourced per-square-foot ranges by tier and size, and what moves the number on your land.
Read itIs a Barndominium Legal in Idaho?
Zoning, septic and who issues the permit, before you buy the land.
Read itHow Long Does It Take?
From parcel to move-in, and which steps set the clock.
Read itSources for this page
The published pages behind the Post Falls facts above. Rules change, so check the current version with the office before you rely on it.
- Building, City of Post FallsBuilding permit authoritypostfalls.gov
- Zoning Codes, City of Post Falls Planning DivisionLand use and zoningpostfalls.gov
- Water Reclamation, City of Post FallsSewer or septicpostfalls.gov
- Sewage System Permit Application and Installation Guidelines, Panhandle Health DistrictSeptic on the aquifer, just past the city linepanhandlehealthdistrict.org
- Building, Kootenai County Community DevelopmentWhere the city's permit area stopskcgov.us
Other places near Post Falls
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 Post Falls?
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.