Ozaukee County, Wisconsin
Town of Port Washington is a town in Ozaukee County, Wisconsin. Town of Port Washington adopts its own zoning, so inside its limits Town of Port Washington’s rules apply, not the county’s. Septic permits inside Town of Port Washington come from Ozaukee County (Ozaukee County Land & Water Management Department · 262-284-8313). 3 rules below are quoted from official sources and independently re-checked, most recently on November 9, 2026. Rules for unincorporated land are on the Ozaukee County page.
Buildings inside Port Washington town in all zoning districts.
decision timeframe: <= 60 days (Building Inspector grants or denies the building permit in writing.) · permit validity: 1 year (May be extended upon application and personal appearance before the Town Plan Commission.)
“In all zoning districts no building shall be erected or structurally altered, relocated, or used [...] until a building permit has been issued”
Land inside the Town of Port Washington, Ozaukee County, Wisconsin, governed by the Town's Chapter 340 Zoning and Subdivision Code.
“An Ordinance Amending Chapter 340 of the Municipal Code, Known as the Zoning and Subdivision Code, to Modify Regulations for Signs and Street Yard Setbacks”
Private onsite wastewater treatment systems and unsewered development inside Port Washington town, Ozaukee County, Wisconsin.
“The Land & Water Management Department administers the Sanitation and Health Ordinance (Chapter 9) [...] Sanitary regulations apply to all unsewered development within the county.”
Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.
Off-grid gear
Going off-grid in Town of Port Washington means bringing your own water and power. The kit we’d start with:
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