Bolthole Index

Columbia County, Wisconsin

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

Town of Hampden is a town in Columbia County, Wisconsin. Town of Hampden adopts its own zoning, so inside its limits Town of Hampden’s rules apply, not the county’s. Septic permits inside Town of Hampden come from Columbia County (Columbia County Planning & Zoning Department · (608) 742-9660). 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 Columbia County page.

Answers from the rulebook for Town of Hampden

Town of Hampden’s own rules

  • Building permitRequired

    Residential construction inside the Town of Hampden, Columbia County, Wisconsin, including new construction, additions, detached buildings, remodeling, fences, electrical, plumbing, HVAC, erosion control, and removal of structures.

    • Permit costs vary by project.
    • The Town directs applicants with permit questions to Kelly Green of General Engineering at 608-697-7771.
    “Permits are required for the following - Residential and Commercial construction new construction, additions, detached buildings, remodeling”
  • Local zoningPresent (with conditions)

    Land inside the Town of Hampden, Columbia County, Wisconsin. Hampden is within the county area served by Columbia County Planning and Zoning; the county administers the applicable county zoning code after town adoption rather than Hampden publishing a separate online zoning code.

    • The Columbia County Zoning Code applies only in portions of unincorporated Columbia County where the associated town board adopted the chapter.
    • The county map service states that the county department does not set zoning within cities and villages or within Courtland, Randolph, or Scott townships.
    • Other town, county, state, and federal regulations may apply; where another government regulation is more restrictive or imposes a higher standard, it prevails.
    “the applicant will also apply for and receive approval from the County and this could take an additional 1 – 2 months.”

Rules another office applies inside Town of Hampden

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

  • Who permits septicCounty (with conditions)

    Private sewage systems and non-plumbing sanitation systems on land inside the Town of Hampden, Columbia County, Wisconsin. The administering department is the Columbia County Planning & Zoning Department.

    • The ordinance applies to all lands within Columbia County, including lands within city and village corporate limits.
    • Every private sewage system requires a separate application and sanitary permit before it may be installed, replaced, reconnected, or modified.
    • A sanitary permit is not required for addition of manhole risers or replacement of manhole covers, manhole risers, filters, baffles, or pumps.
    • A state sanitary permit may also be required for installation or modification of a private sewage system.
    “Jurisdiction of this ordinance shall include all lands within Columbia County [...] DEPARTMENT. The Columbia County Planning & Zoning Department.”

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.

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