Madison County, Iowa Des Moines & Central Iowa

Barndominium Builders in Madison County, Iowa

Madison County, Iowa lies southwest of the metro, with its county offices in Winterset, and its rural roads are lined with the kind of acreage people picture when they think of a barndominium. Buyers come here from West Des Moines and the western suburbs for space, quiet and a shop big enough for real equipment. On unincorporated land the county Zoning Department is the office that matters: it enforces the zoning, subdivision and signage codes, reviews subdivisions and floodplain matters, and issues the zoning certificate the county treats as its building permit. The zoning ordinance says no building may be erected or altered until that certificate is issued, and it requires the Madison County Board of Health to certify that the sewage disposal and water supply for a new dwelling meet minimum requirements first. So the septic design and the well come before the frame, not after. We design and build steel and post-frame homes across the county, and we plan that sequence into the timeline from the first site visit. If you are comparing barndominium contractors near Madison County acreage, the survey is the place to start; send the parcel and we will tell you what the process looks like for it.

Madison County at a glance

County: Madison County
Building permit: County (unincorporated land)
Local facts on this page: 5, each linked to its source

Tell us about your land

Before you build in Madison County

The local answers that shape a build here, each taken from the office or document that publishes it. Rules change, so we confirm them again against your parcel before drawing.

County-issued permitWho issues the permit

Madison County Zoning Department, Winterset

For unincorporated Madison County, the Zoning Department issues zoning certificates, which the ordinance also calls building permits, after reviewing a scaled site plan. No certificate is needed for agricultural uses. Land inside a city falls outside the county zoning ordinance.

Source: Zoning | Madison County, Iowa - Madison County Iowa (madisoncounty.iowa.gov)

Zoning certificate: Section 15 of the Madison County zoning ordinance makes it unlawful to excavate, erect, construct or alter any building until the Zoning Administrator issues a zoning certificate, except that none is required for agricultural uses.
Board of Health sign-off: The application needs certification by the Madison County Board of Health that sewage disposal and water supply systems for the proposed dwelling meet minimum requirements.
Certificate time limits: A zoning certificate becomes void if construction has not started within six months of issue, and the work must be completed within eighteen months.
Septic and wells: The county Environmental Health Officer handles well and septic system permitting and inspection; well permits are completed in the Environmental Health office, which also links to an online GeoPermits application.
Site plan survey: Plans filed with the application must show lot dimensions based on an actual survey, and the lot and building location must be staked out on the ground before construction starts.

Building on land near Madison County

Rural parcels here vary a great deal in slope and cover, so a buildable pad and a workable driveway grade are worth checking before you settle on a price. The county wants the lot dimensions on the site plan drawn from an actual survey, which means an older parcel without a recent survey will need one. Septic suitability is the other early test, since the Board of Health has to sign off before the zoning certificate. Pole barn homes and metal building homes are both at home on this land, and the six-month start window means the frame order should be timed against the certificate.

Where we build in this part of Iowa

Des Moines & Central Iowa

What we build in Madison County

Kits, custom plans and turnkey builds. The parcel decides the budget more than the floor area does, so we price against your land rather than a rate card.

Custom Plans

Custom barndominium floor plans drawn for your Iowa parcel: slab or basement, septic sized to bedroom count, design values from your own jurisdiction.

Barndominium Kits

Barndominium kits for Iowa land: steel or post-frame shell packages drawn to the design criteria your own county or city publishes, delivered to your site.

Turnkey Builds

Barndominium builders in Iowa for the whole job: site work, foundation, shell and interior finish under one contract, with county permits handled in order.

See every service

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

Start your build survey

Building in Madison County: questions

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How much does it cost to build a barndominium in Madison County?

On sloping acreage the pad, driveway grade and septic design can move the budget more than the house does, and a boundary survey may be needed too. We do not post a flat rate. The barndominium cost guide gives sourced ranges, and after the survey we price your parcel.

Do I need a permit to build a barndominium in Madison County, Iowa?

Yes. On unincorporated land you need a zoning certificate, which the county also calls a building permit, before any excavation or construction. The Board of Health must first certify the sewage disposal and water supply for a new dwelling. Agricultural uses need no certificate, but a house is not automatically agricultural, so ask the Zoning Department.

Can post frame homes or barndominium kits be built in Madison County?

Yes, where the zoning district allows a dwelling. The county reviews the use, the lot and the location on the site plan. Post frame homes and barndominium kits still need a frame engineered for the site and a foundation below the frost line. Our steel construction and kit services cover both routes.

What if my land is closer to West Des Moines?

Check the corporate limits first; inside a city, the city permits it. Our West Des Moines and Dallas County pages cover the neighbouring rules.

Keep reading

What usually comes next once you know what Madison County allows.

Barndominium Cost Guide

Sourced per-square-foot ranges by tier and size, and what moves the number on your land.

Read it

Is a Barndominium Legal in Iowa?

Zoning, septic and who inspects, before you buy the land.

Read it

How Long Does It Take?

From parcel to move-in, and which steps set the clock.

Read it

Sources for this page

The published pages behind the Madison County facts above. Rules change, so check the current version with the office before you rely on it.

Barndominium builders near Madison County

Nearby places we also build in. Across a city limit or a county line the permit office, zoning and septic rules can change, so each has its own page.

Warren County

Iowa county

Dallas County

Iowa county

West Des Moines

Polk County, Iowa

Building in Madison County?

Start with the survey. Tell us where the land is and what you want on it, and we will come back with which office permits it, what it will allow, and a plan to fit.

Start the survey