Off-Grid Living in Rockport, Massachusetts

I'll say this up front: Rockport, Massachusetts is not a place to go looking for a loophole-friendly off-grid setup. It's a fully zoned coastal town, and between the Zoning By-law, the state building code, and a Board of Health that's written its own supplemental septic and well regulations on top of the state minimums, you're working within a fairly tight regulatory frame here.

Zoning. The Town of Rockport has had a Zoning By-law since 1951, recently recodified as Chapter 400 of the Town Code (approved by Fall Town Meeting in September 2025). It divides the town into residential, commercial, and other districts with dimensional and use rules enforced by the Zoning Board of Appeals and the Inspectional Services Department. There's no "unzoned" corner to settle on here; raw land occupancy without going through the proper use and dimensional review isn't a recognized option.

Dwellings, tiny homes, RVs. The by-law has detailed definitions around gross floor area and accessory structures, with size and setback limits for accessory buildings. I did not find RVs addressed as a permanent dwelling category in what I reviewed, so whether you could legally live in one full-time is not confirmed, ask the Zoning Board of Appeals or Inspectional Services directly before you commit to that plan.

Building permits. All new construction needs a local building permit, administered by Rockport's Inspector of Buildings under the state building code (780 CMR). This is a state-level code with local enforcement, not something the town can waive.

Septic and greywater. The Board of Health enforces both the state's Title 5 septic standards (Massachusetts DEP, 310 CMR 15.000) and Rockport's own supplemental septic regulations. Local boards of health in Massachusetts are allowed to be stricter than the state minimum, and Rockport appears to be one that has done so. I found no separate town greywater ordinance; greywater handling would default to whatever Title 5 and the local supplemental rules require for approved systems.

Rainwater harvesting. I could not find a Rockport-specific bylaw on this either way. That doesn't mean go wild, it means confirm with the town before you build a serious catchment system, since the state baseline framework would otherwise apply by default.

Wells. The Board of Health keeps its own well regulations, including drinking water well rules and Zone I protections around public water supply wells. If you're near a public well's protection zone, expect extra siting restrictions beyond the state baseline.

Utility disconnection. There's no bylaw I found that bans off-grid living outright, but occupancy permits still require code compliance on things like potable water and sanitary waste disposal, and electrical work still needs a licensed electrician's sign-off under 780 CMR. So going off-grid on power is legal in principle, but your home still has to pass occupancy muster on water and waste.

Bottom line: Rockport isn't hostile to sustainable, self-sufficient living, but it wants it done through permits, not around them. Call the town before you invest real money.