A flatbed truck delivering banded steel frame members and stacked metal roof panels to a building site beside a finished concrete slab.

Barndominium Kits in Iowa

Our barndominium kits in Iowa are the structural shell: primary frame, secondary framing, roof and wall panels, fasteners, trim and the drawing set that goes with them, delivered to your land. The part a catalogue kit gets wrong is the numbers. Iowa's state building code tells whoever enforces it that the Table R301.2 design values "are determined by the location of the project" — so snow load, wind speed and frost depth come from the county or city over your parcel, not from a national default. We get that sheet first and quote the kit against it.

Stamped drawings where your jurisdiction requires them
Drawn to your jurisdiction's snow, wind and frost values
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Barndominium Kits: how the work runs

Four stages, in this order. The sequence matters more than it looks: getting the design values, the septic answer and any permits settled before anything is fabricated is what keeps an Iowa build from stalling.

1

Size, layout and the basement question

We start from footprint, eave height, door and window openings, and how much of the building is living space versus shop. That split drives the frame more than square footage does. In Iowa there is a second early decision: slab or basement. A full basement under a kit changes the foundation, the column bases and the stair, so it is settled before anything is priced rather than after.

2

Get your jurisdiction's design sheet

Before a frame is sized we get the criteria your jurisdiction actually publishes. Pottawattamie County's county design criteria print a 30 psf ground snow load, a 115 mph wind speed and a 42-inch frost line. The City of Waterloo's building codes page prints 30 lb/sf, 107 mph and 42 inches. Those two wind figures come from different code editions, so they are not a statement that Waterloo is calmer — which is exactly why the kit is drawn to your sheet rather than to anyone else's.

3

Fabrication and delivery

The frame is fabricated and delivered on a date you confirm. We stage delivery so the slab has cured and the site can take a loaded truck, which on rural Iowa acreage usually means the driveway, the culvert and a firm staging pad go in first. A spring delivery on a field entrance that has not dried out is how a kit ends up unloaded in the wrong place.

4

Erection support, and who checks the work

You get erection drawings, the anchor bolt layout and phone support, and erection can be quoted as an add-on if you would rather not stand steel or set posts yourself. Where a city or county building department has jurisdiction, it inspects. Where none does, nobody schedules an inspection for you, and it is worth arranging an independent look at the frame and the connections before insulation and liner panels cover them.

A red oxide primed structural steel frame partly erected on a concrete slab, showing bolted knee joints and anchor bolts.
What the box does not contain

A kit engineered "for Iowa" has been engineered for nowhere in particular

Iowa's code is administered locally. Iowa Code 103A.19 makes plan review, permits and inspection the responsibility of each governmental subdivision, "in the manner prescribed by local law or ordinance", and the state code itself leaves the Table R301.2 design values to the location of the project. So two parcels an hour apart can be drawn to different snow, wind and frost figures, and a parcel in a county without a building code may have no published figures at all. Ask any kit vendor which jurisdiction's sheet their package was drawn to. If the answer is "Iowa", the work has not been done for your land.

Where we deliver barndominium kits

In Iowa the line that matters is often a city limit rather than a county line. Inside a city you usually have city zoning and a city building department; within two miles of one, its zoning can reach out to you; out in the county, some counties enforce a building code and many rural ones do not. Cross one of those lines and what changes is whether the build is inspected, who reviews the drawings, how the land is zoned, and whose snow, wind and frost values the drawings answer to. The septic permit from the county board of health and the state energy code go with you everywhere.

Barndominium builders across Iowa.

Every city and county we build in has its own answer on permits, septic and design values. The service area pages set out what each one publishes.

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Before you commit

What actually decides the price

Square footage is the number everyone leads with, and it is rarely the one that moves a barndominium budget. These four do.

  • Clear span width

    The distance between columns moves frame weight faster than anything else on the quote. Going from 40 to 60 feet of clear span costs more than adding 20 feet of length, because every pound of roof load on a wide span arrives at two column lines with no interior bearing wall to shorten the path. Wide spans are also where a kit moves out of any prescriptive table and into a design an Iowa-licensed professional engineer stamps.

  • Snow, drift and roof geometry

    A 30 psf ground snow load is what Pottawattamie County and the City of Waterloo both publish, but the flat number is only the start. A tall shop roof that sheds onto a lower living wing, or drifts against a high sidewall, puts far more load on part of the frame than the ground figure suggests. Roof pitch, step-downs and lean-tos change the steel more than most buyers expect.

  • Frost depth and the foundation under the kit

    Every post hole, pier and perimeter footing goes below the frost line your jurisdiction sets. Pottawattamie County and Waterloo both publish 42 inches, and Scott County's residential code amendment sets a 42-inch minimum foundation depth. The kit price does not include that concrete, and on a post-frame package the frost line sets the depth of every hole on the site.

  • The envelope, which no kit solves

    A shell is not a house. Insulation, air sealing, windows, doors and everything inside are separate work, priced separately. Iowa's residential energy code — the IECC 2012 residential provisions, adopted by the state for residential construction of three or fewer stories throughout Iowa — applies to the conditioned part of the building, and in a girt-wall kit there are no stud bays to fill, so the assembly has to be designed rather than assumed.

A flatbed truck delivering banded steel frame members and stacked metal roof panels to a building site beside a finished concrete slab.

Barndominium Kits in Iowa: common questions

8 questions we get asked most often about building in Iowa. If yours is not on the list, ask it directly.

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What is in a barndominium kit, and what do I still have to buy?
The kit is the structure and the skin: frame, secondary framing, roof and wall panels, fasteners, trim, closures and drawings. It is not the slab or basement, the windows and entry doors, the insulation, the interior, or any of the site work. On rural Iowa land that second list is often the larger half: driveway and culvert, pad and drainage, a private well, a septic system and the power run. Each quote comes with a written exclusions sheet so none of that is discovered a month in.
Do I need a permit to put up a barndominium kit in Iowa?
It depends on who has jurisdiction over the parcel. Iowa leaves building permits and inspection to local government, so inside a city with a building department you will pull a building permit, and many counties run their own. Some rural land has no building permit at all. What almost every rural build does need regardless is a septic construction permit from the county board of health and, for a new private well, a well construction permit. We establish the list for your parcel before the kit is ordered.
What snow load, wind speed and frost depth should an Iowa kit be designed to?
Whatever your jurisdiction publishes. Examples we have read: Pottawattamie County prints 30 psf ground snow, 115 mph wind and a 42-inch frost line; the City of Waterloo prints 30 lb/sf, 107 mph and 42 inches; Scott County's residential amendments set a 42-inch minimum foundation depth. The two wind figures come from different code editions, so read them as two answers to two different questions. If your county publishes nothing, the design criteria get chosen deliberately and written on the drawings, not left to the vendor.
Can I buy a kit as a farm building and finish it as a house later?
Not safely. Iowa's zoning and county building-code exemptions cover buildings primarily adapted for agricultural use while so used, and a kit bought, permitted and designed as a machine shed is a different building from a dwelling — different loads on the roof, a different foundation and a different energy requirement. Converting it later usually means a permit for a change of use and retrofitting the parts nobody designed for people to live in. Draw it as a home from the start.
Steel or post-frame — which kind of kit?
Both are common in Iowa. A red-iron steel kit gives the widest clear spans and a bolted frame on a concrete foundation. A post-frame kit uses laminated or treated columns and wood trusses, dries in quickly, and is the system most Iowa ag-building crews already know. The right choice depends on span, eave height, whether there is a basement, and whether you want to finish walls with conventional framing. Our post-frame and steel pages compare them in detail.
Can I put the kit up myself?
Many owners do, especially with farm equipment and family help on hand. We supply erection drawings, the anchor bolt or column layout and support by phone, and can quote erection only if you would rather hand off the frame and keep the finish work. The things to be honest about are lifting — a wide clear-span frame needs the right equipment — and weather, because an Iowa spring or late fall can shut a site for days at a time.
Does the kit come with stamped drawings?
Where your jurisdiction requires a stamp, the structural drawings are stamped by an Iowa-licensed professional engineer. Not every Iowa jurisdiction asks for one on a house, and some parcels have no plan review at all. We tell you which applies to your land and do not charge you for a stamp nobody asked for — or skip one somebody did.
How long from order to delivery?
It depends on the fabricator's schedule, the season and how quickly the drawings are approved where approval is needed. The practical sequence is drawings, any permits, site work and foundation, then delivery — and we would rather hold the kit at the fabricator than have it sit on wet ground waiting for a slab. We give you a date once the drawings are final, not before.

Keep reading

The pages that answer the next question this one raises.

Is a Barndominium Legal in Iowa?

Who issues the permit on your parcel — a city, a county or nobody — and why the design values on a kit change with it.

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Barndominium Cost Guide

What the shell is as a share of finished cost, so a kit price is read correctly.

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Custom Plans

What you need drawn before a kit can be quoted properly.

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Ready to put barndominium kits against a real plan? Start there and the rest follows.

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Tell us about the land

Tell us where the parcel is and what you want on it, and we will come back with who has jurisdiction, what the land needs before it can be built on, and a realistic budget range. Starting the survey costs nothing.

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