Bolthole Index

Dodge County, Wisconsin

Zoning, building permits and septic rules in Town of Trenton, Wisconsin

Town of Trenton is a town in Dodge County, Wisconsin. Septic permits inside Town of Trenton come from Dodge County (Dodge County Land Resources and Parks Department - Septic Systems · 920-386-3703). 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 Dodge County page.

Answers from the rulebook for Town of Trenton

Town of Trenton’s own rules

  • Building permitRequired

    Building work inside the Town of Trenton, Dodge County, Wisconsin, including the listed new homes, additions, remodels, electrical service, commercial or industrial work, and demolitions.

    • A permit must be obtained before work begins; otherwise fees will be doubled.
    • The Town lists new homes, home additions, home remodels, electrical service, commercial/industrial structures, additions, remodels, electrical service, and home or structure demolitions under Building Permit.
    • General Engineering Company conducts inspections on behalf of the Town of Trenton.
    • A Dodge County land-use permit is separate from a building permit and may also be required for a project.
    “A permit must be obtained before work can begin or fees will be doubled. [...] Building Permit: New Homes, Home Additions, Home Remodels, Electrical Service Commercial/Industrial Structures, Additions, Remodels, Electrical Service Home or Structure Demolitions”

Rules another office applies inside Town of Trenton

Town of Trenton does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.

  • Local zoningPresent (with conditions)

    Land inside the Town of Trenton, Dodge County, Wisconsin, which has adopted Dodge County zoning.

    • The Town of Trenton is under County Zoning Administration.
    • Dodge County's Land Use Code governs zoning for towns that adopted Dodge County zoning.
    “Dodge County has adopted the Land Use Code which oversees the zoning of the towns which adopted Dodge County zoning. [...] Town of Trenton”
  • Who permits septicCounty (with conditions)

    Private onsite wastewater treatment systems (septic systems) inside the Town of Trenton, which the Town identifies as being in Dodge County.

    • Dodge County Land Resources and Parks administers the sanitary provisions of the Dodge County Land Use Code and Wisconsin Administrative Code Chapter SPS 383.
    • All septic systems, regardless of installation date, must be serviced at least once every three years.
    • Septic systems must be inspected and pumped by a licensed service provider at least once every three years; holding tanks must be inspected and pumped as needed.
    • The County's monitoring of septic and holding-tank systems is required by state law and is not optional.
    • The County states a $15 maintenance fee per maintenance cycle for a typical septic system and a $10 annual maintenance fee for a holding tank.
    • Owners notified by Dodge County have 90 days from the date of the letter to complete required maintenance.

    septic maintenance interval: per 3 years (Applies regardless of installation date.) · septic system county maintenance fee: 15 USD per maintenance cycle (A typical septic-system maintenance cycle is once every three years.) · holding tank county maintenance fee: 10 USD per year (Applies to holding-tank owners.) · maintenance completion deadline: 90 days (Measured from the date of Dodge County's notice letter.)

    “This Department administers the sanitary provisions of the Dodge County Land Use Code and Chapter SPS. 383 of the Wisconsin Administrative Code, which regulate the installation and maintenance of Private Onsite Wastewater Treatment Systems (POWTS), better known as “septic systems”. [...] Dodge County residents will be notified by mail by the Dodge County Land Resources and Parks Department when it is time to have their system maintenance completed.”

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.

← All of Dodge County: county rules, score and offices