Off-Grid Living in Windsor, Massachusetts

Windsor, Massachusetts is a small hilltown that does have an adopted Zoning Bylaw (most recently revised in 2025 according to the Town's own site), so this is not a "no zoning, do whatever you want" township. That said, I was not able to pull the actual district tables, minimum lot sizes, or specific dwelling/RV occupancy rules out of the bylaw document during this research pass. If you're eyeing raw land here, your first call should be to Windsor's Town Offices or Building Inspector to find out which zoning district your parcel sits in and what it allows.

On dwellings: I found nothing Windsor-specific about tiny homes, Appendix Q, or living in an RV/trailer long-term. That doesn't mean it's banned, it means I couldn't confirm a rule either way, so ask the Building Inspector directly before you commit to a structure type.

Building permits are handled locally, but under the umbrella of the Massachusetts state building code (780 CMR). Windsor's own Inspections office (Building, Electrical, Gas/Plumbing) enforces this, and there's a separate fire inspection process for things like smoke/CO compliance and fuel tank removal. Expect to pull permits and get inspected, that's a firm local requirement, administered per state code.

Septic is where Windsor is most explicit: the town follows Massachusetts Title 5 (310 CMR 15.000), the statewide septic standard, but the Windsor Board of Health has its own policy requiring that Title 5 inspections be witnessed by a Board of Health agent. You'll need permits from both the Board of Health and the Building Department, separately, for any new septic construction, including composting-toilet setups that intersect with wastewater rules.

Greywater and rainwater harvesting have no Windsor-specific bylaws that I could find. That means the state Title 5 baseline effectively governs greywater, and rainwater catchment appears to fall into a regulatory gap at the local level, I'd confirm directly with the Board of Health if you're planning either.

Private wells are permitted, and the Windsor Board of Health acts as the local arm of both the state Department of Public Health and the Department of Environmental Protection for well siting and sanitation oversight, but I didn't find a standalone written well ordinance for the town.

Living fully disconnected from grid utilities doesn't appear to be separately restricted by Windsor beyond the standard state building code and local permitting process, but there's also no local exemption easing that path. Bottom line: Windsor's rules exist and are enforced locally, but several of the details that matter most to an off-grid buyer (dwelling minimums, RV occupancy, greywater/rainwater specifics) just aren't published in a way I could verify, so plan on a few phone calls before you buy.