Off-grid site report

Warren County, NJ

40.6931, -75.1803 · 358 ft elevation

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

Zoning & raw-land occupancy

Varies locallyWarren County has no countywide zoning code; zoning power rests with each of the 22 municipalities. The county Planning Department only reviews site plans/subdivisions affecting county roads or drainage. source

Dwellings, tiny homes & RVs

Varies locallyNo countywide ordinance on tiny homes or RV occupancy was found; this is set by each township's zoning code under the state baseline. Call your specific municipal zoning office.

Building permits & codes

Varies locallyBuilding permits are issued by each municipality under New Jersey's Uniform Construction Code; some Warren County towns even share a building department with a neighboring jurisdiction rather than running their own. source

Septic & composting toilets

Generally allowedThe Warren County Health Department is the primary permitting authority for septic systems, working alongside NJDEP technical standards. source

Greywater reuse

Unclear - verifyNo Warren County ordinance or Health Department guidance specifically addressing residential greywater reuse was found; ask the county Health Department directly.

Rainwater harvesting

Unclear - verifyNo Warren County rule on rain barrels or cisterns was found in official sources; not confirmed either way.

Private wells & water rights

Generally allowedThe Warren County Health Department processes well permits alongside septic permits, but Warren is also one of the counties where NJDEP's Private Well Testing Act requires additional uranium testing. source

Living disconnected from utilities

Unclear - verifyNo countywide rule requires grid hookup; Certificates of Occupancy are handled by each township under the state construction code and typically require an approved well and septic rather than public utility connection, but confirm locally.

Open the full county page with sources →

Sun30-year normals

Peak-sun hours, annual average: 4.6 hrs/day
Worst month (sizes an off-grid array): 3.0 hrs/day
Yearly output per 1 kW of panels: 1,272 kWh

JFMAMJJASOND

Weather1991-2020

Precipitation: 46 in/yr
Snowfall: 22 in/yr
Heating degree days: 5,803 (cold)
Frost-free season: Apr 25 to Oct 18

How far help isstraight-line

Hospital St Luke's Hospital - Lehighton Campus: 30.1 mi
Fire station Lincoln Engine Company: 0.2 mi
Hardware store Phillipsburg Hardware: 0.8 mi
Grocery Saylors & Co: 1.6 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 08865).

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.