What is the minimum lot size in East Hanover, NJ?

In East Hanover's single-family zones: R-10 requires 10,000 sq ft; R-11 requires 11,250 sq ft; R-15 requires 15,000 sq ft; R-20 requires 20,000 sq ft; R-120 requires 120,000 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 East Hanover, 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 East Hanover.

East Hanover, NJ Zoning: Minimum Lot Sizes, Setbacks & What You Can Build

Single-Family Zones

East Hanover zoning, zone by zone.

Zone	Min lot (sq ft)	Min width	Front	Side (each / total)	Rear	Bldg coverage	Height
R-10 R-10 One-Family Residential	10,000	100 ft	40 ft	12 ft / 30 ft	30 ft	30%	35 ft / 2.5 st
R-11 R-11 One-Family Residential	11,250	75 ft	40 ft	10 ft / 25 ft	35 ft	30%	35 ft / 2.5 st
R-15 R-15 One-Family Residential	15,000	100 ft	40 ft	15 ft / 35 ft	40 ft	30%	35 ft / 2.5 st
R-20 R-20 One-Family Residential	20,000	100 ft	50 ft	15 ft / 35 ft	50 ft	30%	35 ft / 2.5 st
R-120 R-120 Residential	120,000	300 ft	100 ft	40 ft / 90 ft	100 ft	30%	35 ft / 2.5 st

Source: Chapter 95 Land Use and Zoning, 95 Attachment 3 - Schedule of Area Requirements (as amended by Ord. No. 07-2024), 2024-07-01. 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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