Barndominium Builders in Ann Arbor, Michigan
Ann Arbor is a settled university city of sewered neighbourhoods, and very little land inside the limits has room for a house with a big shop bay beside it. A barndominium-style home can still work on a larger city lot if it meets the zone district's setbacks and height limits and reads as a house from the street, but most people asking about a barndo here are really asking about the townships around it. That is where parcels of several acres, private wells and septic fields are normal, and where the township, not the city, sets the zoning. Our Washtenaw County page covers who decides what out there. Barndominium kits suit an owner who plans to raise the shell with their own crew; a custom plan fits the living space and shop to an awkward or sloped lot; and a pole barn home is the usual frame on open ground outside town. Inside the city, one building department and one online permit system handle the process from plan review to final inspection. Send the address or parcel number through the survey and we will check the zone, the floodplain map and the sewer before any drawing starts.
Ann Arbor at a glance
- Principal county
- Washtenaw County
- Building permit
- City building department
- Zoning
- City zoning
- Wastewater
- Public sewer in town
Barndominium Kits and Plans for Ann Arbor
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 and shell kits for sale in Michigan, sized for lake-effect snow and your site, with an honest answer on modular and prefab options.
Custom Plans
Custom barndominium plans and floor plans for Michigan land, designed around your site, your shop and the permit set your building department needs.
Pole Barn Homes near Ann Arbor
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 and Septic in Ann Arbor
Four offices usually decide whether a barndominium can go on a given parcel. Here is who they are in Ann Arbor, taken from the office or document that publishes each rule. Rules change, so check them again against your parcel before anything is drawn.
City of Ann Arbor Building Department (Planning and Development Services)
Inside Ann Arbor, building and trade permits are applied for through STREAM, the city's online permitting system introduced in 2022, and all permits must go through it. Contractors first register their state licensing in the system; a homeowner applying for their own permit skips that step. Plans are reviewed before work starts and inspections are scheduled from the same dashboard.
Source: Permitting Process, City of Ann Arbor (a2gov.org)
City of Ann Arbor Planning, Zoning Administration
The Unified Development Code, Chapter 55 of the city code, divides Ann Arbor into zoning districts and sets permitted uses, setbacks, height limits, parking and the approval procedures for new construction. The current Eleventh Edition took effect August 10, 2025, and several later amendments are listed separately on the city's page, so check them against your lot.
Source: Codes and Guidelines, City of Ann Arbor (a2gov.org)
City sewer inside Ann Arbor; Washtenaw County Environmental Health beyond it
City lots connect to municipal sewer. Where no sewer is available, a Washtenaw County Environmental Health sanitarian must approve a soil evaluation before a sewage permit can be issued, and building departments across the county ask for that permit or proof of sewer before issuing a building permit. Wells there are drilled by state-registered contractors.
Source: Soil Evaluation, Washtenaw County Health Department (washtenaw.org)
City of Ann Arbor Building Division
The Washtenaw County Water Resources Commissioner lists the City of Ann Arbor Building Division as the soil erosion agency inside the city, one of several local programs in the county. Outside the city, the Commissioner's office or another local agency issues the permit, depending on the township.
Source: Soil Erosion Residential Projects, Washtenaw County Water Resources Commissioner (washtenaw.org)
- Building near the Huron River or a creek
- The city says new buildings of any kind are prohibited in the floodway, and the lowest floor of any new residential structure in the flood fringe must sit 1 foot above the 0.2% annual chance (500-year) flood elevation. Building inside a county drain easement also needs a Water Resources Commissioner permit (City of Ann Arbor, read 27 September 2026).
- Residential zone districts
- The city's zoning key lists an AG Agriculture-Open Space district and single-family districts R1A to R1E, alongside two-family, townhouse and multiple-family districts; its dynamic map finds any parcel's district by address (City of Ann Arbor General Zoning Information, read 27 September 2026).
Source: Building in the Floodplain, City of Ann Arbor (a2gov.org)
Source: General Zoning Information, City of Ann Arbor (a2gov.org)
Building on land near Ann Arbor
For a lot inside Ann Arbor, three checks come first: the zone district, whether the parcel touches a mapped floodplain along the Huron River or one of its creeks, and whether a county drain easement crosses it. The ground snow load the state table sets for the City of Ann Arbor is 20 psf, lower than most of the surrounding county, but a wide clear-span roof is still designed around it. Once the search moves into the townships, expect a private well, a septic field sized from a soil evaluation, and a longer driveway, with the township's zoning deciding lot size and setbacks.
Other places in this part of Michigan
Ann Arbor, Jackson & South-Central Michigan
Have land in or near Ann Arbor? 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 Ann Arbor: questions
Start the surveyHow much does it cost to build a barndominium in Ann Arbor?
Do I need a building permit for a barndominium in Ann Arbor?
Can I build a barndominium with a shop on an Ann Arbor city lot?
Where is acreage for a barndominium near Ann Arbor?
Keep reading
What usually comes next once you know what Ann Arbor 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 Michigan?
Zoning, permits, septic and wells, and who inspects, 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 Ann Arbor facts above. Rules change, so check the current version with the office before you rely on it.
- Permitting Process, City of Ann ArborBuilding permita2gov.org
- Codes and Guidelines, City of Ann ArborZoninga2gov.org
- Soil Evaluation, Washtenaw County Health DepartmentSewer, septic and wellwashtenaw.org
- Soil Erosion Residential Projects, Washtenaw County Water Resources CommissionerSoil erosion controlwashtenaw.org
- Building in the Floodplain, City of Ann ArborBuilding near the Huron River or a creeka2gov.org
- General Zoning Information, City of Ann ArborResidential zone districtsa2gov.org
Other places near Ann Arbor
Nearby places with their own pages. Across a city limit, a township line or a county line the permit office, the zoning and the septic rules can change, so each is covered separately.
Building in Ann Arbor?
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.