Rolling farmland at the edge of the Twin Cities metro, with corn and hay fields, oak and maple woodlots and a small cattail-ringed lake.
Dakota County, Minnesota Minneapolis–St. Paul & the Twin Cities Metro

Barndominium Builders in Dakota County, Minnesota

For barndominium builders near Dakota County, the useful split is north and south. The northern half is Eagan, Burnsville, Apple Valley and the other built-out suburbs; the southern half, around Hastings, Farmington and the thirteen townships, is still working farmland along the Mississippi and the Cannon River, and that is where a house-and-shop build has room. What surprises most buyers is that the county does not issue building permits there. Every city and township in the county holds its own zoning authority and issues its own building permits, and each one enforces the State Building Code, so a parcel in Castle Rock Township answers to Castle Rock, not to the county. The county steps in near water, with its shoreland and floodplain ordinance, and runs the septic program for a handful of places. We sell barndominium kits, draw custom plans and build turnkey pole barn and steel-frame homes, and before you buy we will identify which township or city governs the parcel and what its zoning allows.

Dakota County at a glance

County
Dakota County
Building permit
Township building program
Land use
Township zoning
Wastewater
Septic (SSTS) via the township
Frost depth / snow load (state rule)
3-1/2 feet / 50 psf

Pole Barn Homes near Dakota County

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 & Septic in Dakota County

Who issues the permit, who zones the land and who handles septic can change at a city limit or a county line. Here is who decides each part in Dakota County, 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 Township building program

The township or city where the parcel lies

Dakota County states that all of its cities and townships have land use and zoning authority and that building permits are issued by the city or township, not the county. Cities permit separately inside their limits. For township land, the county also asks owners to check with its Water Resources Department whether the parcel falls under the county shoreland and floodplain ordinance, in which case county permits may be required.

Source: Building and Zoning Permits, Dakota County (dakotacountymn.gov)

Who decides the land use Township zoning

Township boards and city planning offices; Dakota County Water Resources for shoreland and floodplain

Townships zone their own land in Dakota County, each with its own districts and lot rules, and cities zone theirs. The county's role is overlay regulation: Ordinance 50 governs shoreland and floodplain areas in the 13 unincorporated townships and requires permits for construction, grading, filling or vegetation removal near public waters and in FEMA-designated floodplain.

Source: Building and Zoning Permits, Dakota County (dakotacountymn.gov)

Sewer or septic Septic (SSTS): township

Each township or city; Dakota County Environmental Resources for its own jurisdiction

Most townships and cities run their own septic (SSTS) permitting and inspection to MPCA rules and County Ordinance 113. The county issues septic permits itself in shoreland areas, in Hastings, Randolph and New Trier, and in Randolph and Waterford townships.

Source: Septic Systems, Dakota County (dakotacountymn.gov)

Is the State Building Code enforced here?

In Dakota County, 34 of the 34 cities and townships in DLI's State Building Code Jurisdiction Directory have adopted the State Building Code, including Apple Valley, Burnsville, Coates, Eagan, Empire, Farmington; elsewhere the county's zoning, shoreland and septic rules still apply.

Source: State Building Code Jurisdiction Directory (Local Code Lookup), Minnesota Department of Labor and Industry (secure.doli.state.mn.us), read 27 September 2026. Check it again for your parcel, then call that office.

Design figures the state sets for Dakota County
Frost footing depth
3-1/2 feet (frost Zone II), unless an engineer competent in soil mechanics determines otherwise.

Source: Minn. R. 1303.1600, Footing Depth for Frost Protection (revisor.mn.gov)

Ground snow load
50 pounds per square foot of ground snow load, the starting point for the structure's snow design.

Source: Minn. R. 1303.1700, Ground Snow Load (revisor.mn.gov)

County shoreland and floodplain ordinance
Dakota County Ordinance 50 applies to shoreland and floodplain areas in the county's 13 unincorporated townships, and its shoreland provisions include land inside the Cannon River Scenic and Recreational River district; the ordinance was first passed in 1973 and last amended on 6 September 2022.

Source: Dakota County Shoreland and Floodplain Management Ordinance 50 (dakotacountymn.gov)

New septic systems in the county's jurisdiction
Where Dakota County issues septic permits, a licensed septic designer prepares the design with two separate soil verifications and a site plan before the permit application; a final inspection is required before the system is covered, and the county needs the installer's signed as-built record before issuing a certificate of compliance (read 27 Sep 2026).

Source: Septic System Construction or Replacement, Dakota County (dakotacountymn.gov)

Township density example: Eureka Township
Eureka Township limits residential use in every zone to one single-family dwelling per quarter-quarter section, requires a housing right eligibility permit from its Zoning Administrator before a building permit, and sets a 2-acre minimum parcel with 250 feet of width at the house (Town Code ch. 240, Article III, read 27 Sep 2026).

Source: Article III: Residential Buildable Lots, Township of Eureka Code (ecode360.com)

Building on land near Dakota County

Township farmland in this county is zoned by each township, so lot sizes, density and whether a large accessory building is allowed differ from one town board to the next; ask for the township's zoning ordinance before you make an offer. Eureka Township, for example, allows one home per quarter-quarter section and requires a housing right before it will take a building application. Near public waters (shoreland generally reaches 1,000 feet from a lake and 300 feet from a river) or in mapped floodplain along the Mississippi or the Cannon, county Ordinance 50 adds a permit and setbacks, and the county handles floodplain determinations. Most rural parcels need a septic system, permitted by the township unless the land is in the county's septic jurisdiction. Buyers who want a city address instead can compare the Lakeville page, and the Scott County page covers the county-zoned townships to the west.

Have land in or near Dakota County? 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 Dakota County: questions

Start the survey
How much does it cost to build a barndominium near Dakota County?
Township land here usually means a septic system, a private well, a driveway and grading on top of the building itself, and a floodplain or shoreland parcel can add fill or elevation work. The barndominium cost guide sets out sourced ranges by size and finish, and the survey lets us price the parcel you have in mind.
Do I need a building permit for a barndominium in Dakota County?
Yes, from the township or city where the land lies; Dakota County itself does not issue building permits. Every city and township in the county has adopted the State Building Code, so plans are reviewed and the work inspected locally. Near lakes, rivers and floodplain, a county shoreland or floodplain permit may be needed as well. Our permitting service works through both layers.
Who decides whether I can build a pole barn home on Dakota County farmland?
The township board, through its own zoning ordinance, sets the district, lot size and density that decide whether a new home is allowed on a parcel. The county's Ordinance 50 applies only in shoreland and floodplain areas. A barndominium is a home in either case, so it is reviewed as a dwelling, not as a farm building. See our pole barn homes page for the building system.
Who permits a septic system for a new home in Dakota County?
Usually the township or city, which runs its own septic program to MPCA rules and County Ordinance 113. Dakota County issues the permit instead in shoreland areas, in Hastings, Randolph and New Trier, and in Randolph and Waterford townships. Either way the system is designed and installed by MPCA-licensed professionals; we coordinate the schedule but do not design or install septic systems.

Other places near Dakota County

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 Dakota County?

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.