Off-grid site report

Allegan County, MI

42.5284, -85.8516 · 643 ft elevation

Read this before you act on anything below. This is my researched starting point for Allegan County, MI, not legal advice and not a guarantee. Rules change, and the deciding facts on any specific parcel (setbacks, perc results, overlay districts, deed restrictions, road frontage) live at the county or town office, not in any database. Before you buy land or build, confirm the current rules directly with the local zoning and health offices - the sources on this page tell you exactly who to call.

The local rulesAllegan County, MI

Zoning & raw-land occupancy

Varies locallyNo countywide zoning ordinance exists; each of the county's roughly 24 townships and cities sets its own zoning under the state Zoning Enabling Act. Check your specific township or city office. source

Dwellings, tiny homes & RVs

Varies locallyRules for tiny homes, manufactured housing, and RV occupancy are set locally by township/city zoning, not the county; not confirmed at the county level.

Building permits & codes

RestrictedAllegan County explicitly disclaims building permit authority, saying it's a home-rule state matter for each city or township; some townships contract this out to Michigan Township Services. source

Septic & composting toilets

RestrictedThe Allegan County Health Department administers septic permitting under its own Water and Sewage Regulations plus state criteria, including a raw-land soil evaluation option before you buy. source

Greywater reuse

Unclear - verifyNo Allegan County-specific greywater rule was found; this likely defaults to the state plumbing/residential code, but confirm with the county health department.

Rainwater harvesting

Unclear - verifyNo county-specific rainwater harvesting rule was found; this likely defaults to Michigan's state-level rainwater harvesting provisions, but not confirmed locally.

Private wells & water rights

Generally allowedThe Allegan County Health Department issues well permits and requires bacteria and nitrate testing on new wells, administering the state's Part 127 program locally, with EGLE handling driller certification. source

Living disconnected from utilities

Unclear - verifyThere's no countywide ban on disconnecting from utilities, but at least the City of Allegan's zoning code treats disconnected utilities as a sign a use has been abandoned, so check with your local municipality.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 4.3 hrs/day
Worst month (sizes an off-grid array): 1.8 hrs/day
Yearly output per 1 kW of panels: 1,247 kWh

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Weather1991-2020

Precipitation: 41 in/yr
Snowfall: 80 in/yr
Heating degree days: 7,072 (cold)
Frost-free season: May 10 to Oct 4

How far help isstraight-line

Hospital Beacon Allegan: 0.6 mi
Fire station Hopkins Fire Department: 8.0 mi
Hardware store The Home Depot: 10.9 mi
Grocery Village Market Food Center: 0.2 mi

From OpenStreetMap. Road miles will be longer, often much longer in hill country.

Plan this spot

These open with this location's real numbers already filled in (ZIP 49010).

Size a solar system Heat loss & insulation Firewood per winter Rainwater harvest Garden size Panel tilt

Sources: US Census Bureau geocoder; NLR PVWatts v8 (solar); NOAA NCEI 1991-2020 climate normals (nearest station) or Open-Meteo (ZIP-centroid) for weather; Open-Elevation; OpenStreetMap contributors. Public data retrieved Aug 22, 2026; agencies update their layers on their own schedules. Planning data, not a survey or legal advice.