Off-grid site report

Hunterdon County, NJ

40.6127, -74.7250 · 180 ft elevation

Read this before you act on anything below. This is my researched starting point for Hunterdon County, NJ, 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 rulesHunterdon County, NJ

Zoning & raw-land occupancy

Varies locallyHunterdon County has no countywide zoning ordinance; each of the 26 townships sets its own rules on raw land occupancy under NJ's Municipal Land Use Law. The County Planning Board's role is limited to master planning and subdivision/site-plan review referrals. source

Dwellings, tiny homes & RVs

Varies locallyNo county-level rule was found on tiny homes or RV occupancy; townships like Raritan handle Certificates of Occupancy/Continuing Occupancy through their own zoning, fire, and construction departments. source

Building permits & codes

Generally allowedBuilding permits are issued by each township's construction department under the statewide NJ Uniform Construction Code; the county has no unified building office but does review construction referrals for septic encroachment. source

Septic & composting toilets

Generally allowedThe Hunterdon County Department of Health, as the certified local health agency under CEHA, issues septic permits following NJDEP's statewide technical standards, and provides application checklists. source

Greywater reuse

Unclear - verifyNo Hunterdon County ordinance or health department guidance specifically addresses residential greywater reuse; ask the County Health Department and your township directly before setting up a system.

Rainwater harvesting

Unclear - verifyNo county-specific permit requirement or ordinance for rain barrels or cisterns was found on county planning, health, or environmental pages.

Private wells & water rights

Generally allowedThe county Health Department's Office of Environmental Health handles well installation, abandonment, and Private Well Testing Act compliance; Hunterdon is one of the NJ counties requiring an added uranium test. source

Living disconnected from utilities

Unclear - verifyNo county ordinance mandates utility hookup, but a municipal Certificate of Occupancy generally requires an approved water and sewage system, meaning a county-permitted well and septic system in place of public utilities. source

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 4.7 hrs/day
Worst month (sizes an off-grid array): 3.2 hrs/day
Yearly output per 1 kW of panels: 1,286 kWh

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Weather1991-2020

Precipitation: 48 in/yr
Snowfall: 28 in/yr
Heating degree days: 5,912 (cold)
Frost-free season: Apr 30 to Oct 14

How far help isstraight-line

Hospital VA New Jersey Health Care System - Lyons Campus: 9.6 mi
Fire station East Whitehouse Fire Company: 1.2 mi
Hardware store Overhead Door of Central NJ: 3.8 mi
Grocery Kings: 2.1 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 08888).

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.