Zoning, building permits and septic rules in the Town of Barton, Wisconsin

At a glance

Zoning

Town of Barton enforces its own zoning chapter through the Town Zoning Administrator¹

Building permit

Required for a new one- or two-family home under Wisconsin's Uniform Dwelling Code²

Building permit office

The Town's building inspector page lists the applications³

Septic

Washington County sanitary permit required⁴

Owner-builder

An owner who occupies or will occupy the home may take out the construction and erosion-control permits⁵

RV or tiny home living

Not confirmed; ask the Town Zoning Administrator⁶

Driveway on a county road

County access permit from the Washington County Highway Department⁷

Who to call

Contact details are copied from each office’s official page and were checked against it on October 15, 2026.

Does the Town of Barton have zoning?

Yes. The Town of Barton, in Washington County, Wisconsin, has a zoning chapter of its own, and the Town Zoning Administrator is responsible for enforcing it¹. That matters because Washington County does not run general zoning at all; the county only administers shoreland, wetland and floodplain zoning in unincorporated areas⁸. For a lot in the Town, the Town's zoning chapter is the one that decides what you can build and where.

The Town's residential zoning article sets out district descriptions and dimensional requirements, and it includes conventional subdivisions, cluster or open-space subdivisions and open-space condominiums⁹. The Town's forms page also posts a zoning map and a zoning general application¹⁰.

We could not confirm the numbers that buyers usually ask about: minimum lot size, setbacks, minimum dwelling size and building height by district. Call the Zoning Administrator, who sees visitors by appointment only⁶.

Do you need a building permit in the Town of Barton, and who issues it?

Yes for a new house. Wisconsin's Uniform Dwelling Code requires a building permit for new one- and two-family dwellings, and construction begins only after plans are approved and the permit is issued and posted². Manufactured and modular homes are covered too¹¹.

In the Town of Barton, the Town's building inspector page lists the applications, including a New 1 & 2 Family Permit, and a "When is a permit needed?" guide³. Ask that office about decks, garages, sheds, additions and fences, which have their own requirements pages on the same site.

A second approval comes first or alongside: a zoning permit from the Town. The Town's zoning permit application is made in duplicate, must identify the property, structure, proposed use and district, and needs a site plan or plat of survey and, when required, a Washington County sanitary permit¹². Plan Commission review may come before the permit is issued¹².

Who handles what in the Town of Barton?

The Town sets zoning and takes zoning permit applications¹¹². The Town's building inspector handles building permit paperwork³. Septic sanitary permits for the Town of Barton come from Washington County, which issues them and inspects installations throughout the county¹³. Wells go through the state: a Well Construction Notification Number from the Wisconsin DNR is needed before drilling a new private well that is not high-capacity¹⁴.

The county's rules for unincorporated land outside the Town, including its subdivision review for townships, are covered on the Washington County page.

How do septic permits work in the Town of Barton?

A building permit for a new home on a private onsite system cannot be issued until a sanitary permit has been issued². In Washington County, the sanitary permit comes from the county Land Resources office, and the county notes that state approval is needed before applying for the county sanitary permit when the system requires it¹³. State sanitary permits cover installation and major modification; county sanitary permits cover reconnection, privies, minor repairs and components outside the state permit⁴. Sanitary permits expire two years after issuance⁴.

The county's private wastewater chapter generally prohibits holding tanks except in listed cases, such as documented absence of suitable soil¹⁵. Washington County's soil data is also a flag: only about 15 percent of soils are rated "not limited" for a conventional drain field, so plan for a site evaluation and possibly an engineered system¹⁶. Contact the¹⁷ office before you buy.

Can you live in an RV or tiny home on your land in the Town of Barton?

We could not confirm any Town rule on living in an RV, camping on private land, tiny homes or accessory dwellings in the Town of Barton. Do not assume that silence means permission: the Town has its own zoning chapter¹, and it, not the county, is the office that would decide. Ask the Town Zoning Administrator in writing before you move anything onto a lot⁶.

Two county rules can limit living on a lot that touches water or a floodplain. Washington County prohibits a tiny home used as a principal dwelling in mapped floodway areas of the unincorporated county¹⁸, and floodfringe areas have elevation and dry-access conditions¹⁹. Ask the county Land Resources office whether a particular parcel falls in one of those districts¹⁷.

Building a home in the Town of Barton: the steps, in order

1. Call the Town Zoning Administrator and confirm the zoning district, allowed use and dimensional rules for the lot⁶.
2. Get a soil evaluation and a Washington County sanitary permit if the lot has no public sewer; a new-home building permit cannot be issued without it²⁴.
3. File the Town's zoning permit application with a site plan or plat of survey; Plan Commission review may come first¹².
4. Apply for the New 1 & 2 Family building permit through the Town's building inspector, with at least two sets of plans³²⁰.
5. Call for an inspection of each phase before covering it up; the inspector has two business days to inspect²¹.
6. Take occupancy only after a final inspection finds no major health or safety violations²².

An owner who occupies or will occupy the home may take out the construction and erosion-control permits personally⁵.

What to check before you buy land in the Town of Barton

Start with zoning and septic, then access. A driveway onto a state highway needs a WisDOT connection permit²³, and a driveway, culvert or new road affecting a county trunk highway right-of-way needs a Washington County access permit⁷. We could not confirm the Town's own driveway rules for town roads; ask the Town.

Check water. Washington County administers shoreland, wetland and floodplain zoning in unincorporated areas, covering land within 300 feet of a river or navigable stream and within 1,000 feet of a lake or pond²⁴. Ask whether the parcel is covered.

For context, Washington County's typical home value is about $434,278²⁵ and its effective property tax rate is 1.2 percent²⁶. The nearest city of 100,000 or more is about 25 miles from the county's center²⁷.

Watch-outs

• We could not confirm the Town of Barton's minimum lot size, setbacks, minimum dwelling size, lot coverage or building height; ask the Town Zoning Administrator before you buy⁶.
• We could not confirm whether the Town allows RV living, temporary camping, tiny homes or accessory dwellings; get an answer in writing from the Town⁶.
• Permit fees for the Town are not confirmed here; the building inspector page links a fee schedule³.
• Sanitary permits expire two years after issuance, so time the permit with your build schedule⁴.
• A zoning permit expires if work or occupancy has not started within six months, with a possible extension of up to six months¹².

Sources

1. ecode360.com (Town of Barton), quoted and re-checked
2. Wisconsin’s Uniform Dwelling Code (Wisconsin statewide rule), quoted and re-checked
3. Town of Barton Building Inspector (townofbartonwi.gov)
4. Chapter 190: Private On-Site Wastewater Treatment Systems (POWTS), quoted and re-checked
5. Wisconsin’s Uniform Dwelling Code (Wisconsin statewide rule), quoted and re-checked
6. Town of Barton Plan Commission and Zoning Administrator (townofbartonwi.gov)
7. Permits, quoted and re-checked
8. County Land Information Plan 2024, quoted and re-checked
9. Article V: Residential Zoning Districts (Town of Barton), quoted and re-checked
10. Town of Barton Town Hall (townofbartonwi.gov)
11. UDC (Uniform Dwelling Code / One- and Two-Family Dwellings), quoted and re-checked
12. ecode360.com (Town of Barton), quoted and re-checked
13. Septic Systems/POWTS, quoted and re-checked
14. Well and heat exchange notification (Wisconsin statewide rule), quoted and re-checked
15. Chapter 190: Private On-Site Wastewater Treatment Systems (POWTS), quoted and re-checked
16. Share of soils USDA rates "not limited" for a conventional septic drain field (SSURGO). A strict rating: the median county is about 6% and a tenth of counties are 0%, so a low figure means most lots need a site evaluation or an engineered system, not that septic is impossible. Cite it only with that caveat: Bolthole Index county data
17. Washington County Natural Resources Department — Land Resources (permitapp.washcowisco.gov)
18. Article IV: Floodplain Zoning - Washington County, WI, quoted and re-checked
19. Article IV: Floodplain Zoning - Washington County, WI, quoted and re-checked
20. Wisconsin Administrative Code SPS 320.09 (Wisconsin statewide rule), quoted and re-checked
21. Wisconsin’s Uniform Dwelling Code (Wisconsin statewide rule), quoted and re-checked
22. Wisconsin’s Uniform Dwelling Code (Wisconsin statewide rule), quoted and re-checked
23. State highway connection permits (driveways & more) (Wisconsin statewide rule), quoted and re-checked
24. washcowisco.gov, quoted and re-checked
25. Typical home value (Zillow): Bolthole Index county data
26. Effective property tax rate: Bolthole Index county data
27. Straight-line distance from the county center to the nearest city of 100,000+ people: Bolthole Index county data

Written October 15, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.