What is the minimum lot size in Morristown, NJ?

In Morristown's single-family zones: R (Narrow) requires 2,400 sq ft; R (Small) requires 3,200 sq ft; R (Medium) requires 4,000 sq ft; R (Large) requires 4,800 sq ft; R (Wide) requires 6,000 sq ft; R (XXL) requires 12,500 sq ft; R (Estate / E Overlay) requires 5,000 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 Morristown, 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 Morristown.

Morris County, New Jersey · For builders and owners

What can you build in Morristown?

The single-family zoning rules in Morristown, zone by zone, read from the town ordinance by our builder desk. Then check any address to see what fits on that lot.

Single-Family Zones

Morristown zoning, zone by zone.

Zone	Min lot (sq ft)	Min width	Side (each / total)	Rear	Bldg coverage	Height
R (Narrow) R Residential Detached - Narrow lot (lot width up to 39.9 ft)	2,400		2 ft / 10 ft	20 ft	35%	35 ft / 3 st
R (Small) R Residential Detached - Small lot (lot width 40-49.9 ft)	3,200	40 ft	3 ft / 13 ft	20 ft	30%	35 ft / 3 st
R (Medium) R Residential Detached - Medium lot (lot width 50-59.9 ft)	4,000	50 ft	5 ft / 18 ft	20 ft	25%	35 ft / 3 st
R (Large) R Residential Detached - Large lot (lot width 60-74.9 ft)	4,800	60 ft	5 ft / 18 ft	20 ft	20%	35 ft / 3 st
R (Wide) R Residential Detached - Wide lot (lot width 75-124.9 ft)	6,000	75 ft	5 ft / 18 ft	20 ft	20%	35 ft / 3 st
R (XXL) R Residential Detached - XXL lot (lot width 125 ft or more)	12,500	125 ft	20 ft / 45 ft	20 ft	20%	35 ft / 3 st
R (Estate / E Overlay) R Residential Detached - Estate (E Overlay)	5,000	50 ft	10 ft / 20 ft	30 ft	20%	35 ft / 3 st

Source: Chapter 30 Land Development Ordinance, Part 2 Article 2E Zoning Districts; Article 3B Building Standards (https://ecode360.com/43272855), 2024-02-13 (new LDO adopted; effective 2024-03-04). 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.

Check A Lot

Check any Morristown address.

Enter an address and we will show the lot size, its zone, roughly how big a new home could be, and how likely a builder is to want it.

Check a lot in MorristownFree, instant, from the state parcel map and this ordinance.Get our full read on a parcelZoning, density, subdivision, what it will sell for and how fast.Builder deal sheetMonthly: teardown and land opportunities in the towns you build in.

Written and reviewed by

Michelle C Nieves

REALTOR-Associate, New Development Advisor, Builders Resource Center at Corcoran Sawyer Smith. Advises builders and owners in Morristown. Numbers updated September 2026.

About Michelle · (646) 251-8176

What can you build in Morristown?

Morristown zoning, zone by zone.

Check any Morristown address.

More on Morristown.