A flat sandy plain in central Wisconsin with an irrigated field, a centre-pivot line and planted red pine in straight rows.
Portage County, Wisconsin Wausau, Stevens Point & Central Wisconsin

Barndominium Builders in Portage County, Wisconsin

Portage County, Wisconsin splits the paperwork for a new rural home between two levels of government, and knowing which is which saves weeks. The Uniform Dwelling Code building permit comes from the town, through a building inspector each town retains for itself. The county's Planning and Zoning Department issues the zoning permit and the sanitary permit for the septic system, and the sanitary permit has to come first. We build steel-framed and post-frame homes on farm parcels and wooded lots, turnkey or as barndominium kits for owners who plan to finish the interior themselves. The county describes itself as glacial lakes, trout streams and wide flowages, with cropland across the Central Sands, and the requests follow the land: a shouse with room for equipment, a compact house with a big insulated shop, or pole barn homes set back from the road on a few acres. Metal building homes suit many of these parcels too, where the zoning district allows a dwelling. Barndominium contractors who build here learn to line up three approvals in order: sanitary permit, county zoning permit, then the town's building permit. Put your parcel into the survey and we will tell you which town inspector covers it and what the county will want to see.

Portage County at a glance

County
Portage County
Building permit
Town building inspection
Local facts on this page
6, each linked to its source

Before you build in Portage 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.

Town-issued permitWho issues the permit

The town building inspector (each town in the county retains its own)

On town land, the Uniform Dwelling Code building permit for a new dwelling is issued by the town, through a building inspector the town retains; the county does not issue it. Fifteen towns also require a Portage County zoning permit before work starts, while the Towns of Grant and Pine Grove need one only for shoreland or floodplain sites. Cities and villages, including the City of Stevens Point, permit on their own.

Source: Zoning Permit Procedures for Portage County Zoning (co.portage.wi.gov)

County zoning permit
Residents of the Towns of Alban, Almond, Amherst, Belmont, Buena Vista, Carson, Dewey, Eau Pleine, Hull, Lanark, Linwood, New Hope, Plover, Sharon and Stockton need a Portage County zoning permit for a new home, applied for at least 2 weeks before construction starts, with a drawing showing setbacks and the distances to the road, water, well, septic tank and drainfield. The site must be staked.

Source: Zoning Permit Procedures for Portage County Zoning (co.portage.wi.gov)

Town inspectors on the state list
The state Department of Safety and Professional Services lists most Portage County towns, among them Alban, Amherst, Grant, Hull, Plover and Stockton, with their own delegated Uniform Dwelling Code authority, many naming a contracted inspector or inspection firm. It lists no county-level program for Portage County (list dated August 19, 2026).

Source: Wisconsin Municipalities with Delegated Authority for the Uniform Dwelling Code (UDC) and for Camping Units (dsps.wi.gov)

Septic permits
Portage County's On-Site Waste Section administers the county Private Sewage System Ordinance: it issues sanitary permits for new septic systems, inspects new installations and enforces the state-mandated maintenance of existing systems. A sanitary permit, submitted by a licensed plumber, is required before a zoning permit can be issued for a new home.

Source: On-Site Waste, Portage County (co.portage.wi.gov)

Shoreland setbacks
Portage County applies shoreland zoning within 300 feet of a navigable stream or 1,000 feet of a lake. Structures generally sit at least 75 feet from the ordinary high-water mark, are limited to 35 feet in height, and impervious surfaces are capped at 15 percent of the lot unless extra runoff is handled in a stormwater management plan.

Source: Waterfront Properties, Portage County (co.portage.wi.gov)

Nitrate in well water
The county names nitrate-N as one of the most common groundwater pollutants in Portage County and says the only way to know whether it is in a private well is a test by a state-certified laboratory, recommended at least once a year along with bacteria.

Source: Nitrate Information, Portage County (co.portage.wi.gov)

Central Sands groundwater
Portage County is part of the Central Sands Groundwater County Collaborative with Adams, Juneau, Marquette, Waushara and Wood Counties, working on safe, reliable and sustainable drinking water for the region.

Source: Central Sands Groundwater County Collaborative, Portage County (co.portage.wi.gov)

Building on land near Portage County

Rural lots in Portage County almost always mean a private well and septic system, so start with the county's On-Site Waste Section and a certified soil tester before settling on a house footprint. Water quality matters too: the county's own nitrate guidance is a good reason to test an existing well before buying. Next, check whether the town is under county zoning, and look up the parcel's zoning district on the county GIS site, since the list of permitted uses differs by district. Waterfront lots bring the shoreland setbacks and height limit. Finally, get the address number from the town clerk and call the town's building inspector. For a lot inside the city, see the [Stevens Point page](/areas/stevens-point-wi/).

Where we build in this part of Wisconsin

Wausau, Stevens Point & Central Wisconsin

Have land in or near Portage 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.

Building in Portage County: questions

Start the survey
How much does it cost to build a barndominium in Portage County?
Size, finish level, the foundation and the site work drive it, and on a rural parcel the well and septic system are a big share. We give no figure until we have seen your land and a draft plan. Our barndominium cost guide takes the budget apart category by category, with each range sourced from outside publications.
Do I need a building permit for a barndominium in Portage County?
Yes. The dwelling permit comes from the town where the parcel sits, through that town's building inspector, and many towns also need a county zoning permit first, which in turn needs an approved sanitary permit. The credentialed dwelling contractor on your build applies for the town permit; owner-occupants may apply for their own.
Where do septic permits come from?
From the county's Planning and Zoning Department, through its On-Site Waste Section. A licensed plumber submits the sanitary permit application, and the county inspects the new system once installed. After that, the county's maintenance program sends pumping notices on a regular schedule.

Barndominium builders near Portage County

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

Building in Portage 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.