La Crosse County, Wisconsin
Town of Greenfield is a town in La Crosse County, Wisconsin. Septic permits inside Town of Greenfield come from La Crosse County (La Crosse County Zoning, Planning and Land Information Department · (608) 785-9722). 6 rules below are quoted from official sources and independently re-checked, most recently on October 29, 2026. Rules for unincorporated land are on the La Crosse County page.
Residential and commercial building codes adopted by the Town of Greenfield by ordinance 23, inside the town's limits
“23 adoption of residential & commercial building codes *updated ……………………. 06/12/2023”
Mobile homes inside the Town of Greenfield, under town ordinances 13 (mobile homes) and 2014-3 (mobile homes amendment)
“2014-3 mobile homes amendment inspection before occupancy ……………………………… 12/10/2014”
Land divisions (subdivisions) in the Town of Greenfield under town ordinance 15 and its amendment 15-a
“15-a land division (subdivision) amendment ……………………………………………………………… 10/08/2003”
Town of Greenfield does not set these itself; the county, a health district or the state does, and they apply to every address inside its limits.
Private septic systems on land inside the Town of Greenfield (La Crosse County Health Department sanitary permits; countywide program applying inside the town)
“all septic systems in la crosse county must be inspected and serviced on a regular basis to make sure they are working correctly.”
New, replaced, repaired, extended, reconnected or modified private septic systems on land inside the Town of Greenfield (countywide La Crosse County program)
“you need a sanitary permit to: install a new private septic system or replace a system repair, extend, or enlarge an existing private septic system reconnect to an existing private septic system modify an existing private septic system in some other way”
Private septic systems on land inside the Town of Greenfield (countywide La Crosse County program)
service interval: 3 years (some septic systems need service on a more frequent basis)
“most septic systems require service every three years. some septic systems need service on a more frequent basis.”
We looked and could not find an official answer yet. Silence is not permission; ask Town of Greenfield or La Crosse County directly.
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.
Unanswered questions are usually a sign that Town of Greenfield publishes no rule on the point, not that none exists. La Crosse County’s page lists the county offices to call.
Off-grid gear
Going off-grid in Town of Greenfield means bringing your own water and power. The kit we’d start with:
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