What is the minimum lot size in Long Hill, NJ?

In Long Hill's single-family zones: R-45 requires 45,000 sq ft; R-30 requires 30,000 sq ft; R-20 requires 20,000 sq ft; R-10 requires 10,000 sq ft. Undersized existing lots may still be buildable under the ordinance, so check your specific lot.

How big a house can I build in Long Hill, NJ?

It depends on the zone, lot size, setbacks, building coverage, height and any floor area limit. Enter an address in our free lot check to get a rough maximum home size for that lot in Long Hill.

Long Hill, NJ Zoning: Minimum Lot Sizes, Setbacks & What You Can Build

Single-Family Zones

Long Hill zoning, zone by zone.

Zone	Min lot (sq ft)	Min width	Front	Side (each / total)	Rear	Height
R-45 R-45 Residence Zone (chart label R-2; single-family)	45,000	150 ft	75 ft	25 ft	50 ft	35 ft / 2.5 st
R-30 R-30 Residence Zone (chart label R-3; single-family)	30,000	150 ft	50 ft	25 ft	40 ft	35 ft / 2.5 st
R-20 R-20 Residence Zone (chart label R-4; single-family)	20,000	100 ft	50 ft	10 ft	25 ft	35 ft / 2.5 st
R-10 R-10 Residence Zone (chart label R-5; single-family)	10,000	100 ft	50 ft	10 ft	25 ft	35 ft / 2.5 st

Source: Land Use Ordinance of the Township of Long Hill, Section §131 Schedule of Bulk Requirements (town-hosted chart); FAR table from Zoning Permit Application, Chart cites Ord. Nos. 169-05, 208-07, 237-08, 308-13, 392-2016, 392-2017. Read 2026-09-28. Only zones we could confirm from the ordinance are shown. Rules change and have exceptions (corner lots, undersized lots, steep slopes, overlays), so confirm with the town zoning officer before you buy or design.

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