What is the minimum lot size in Washington Township, NJ?

In Washington Township's single-family zones: AAA requires 43,560 sq ft; AA requires 21,780 sq ft; BB requires 18,000 sq ft; A requires 10,000 sq ft; B requires 7,500 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 Washington Township, 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 Washington Township.

Washington Township, NJ Zoning: Minimum Lot Sizes, Setbacks & What You Can Build

Single-Family Zones

Washington Township zoning, zone by zone.

Zone	Min lot (sq ft)	Min width	Front	Side (each / total)	Rear	Bldg coverage	Height
AAA Class AAA District (single-family)	43,560	100 ft	50 ft	15 ft	50 ft	20%	34 ft / 2.5 st
AA Class AA District (single-family)	21,780	100 ft	50 ft	15 ft	50 ft	20%	30 ft / 2.5 st
BB Class BB District (single-family)	18,000	100 ft	40 ft	15 ft	50 ft	20%	30 ft / 2.5 st
A Class A District (single-family)	10,000	100 ft	30 ft	15 ft	30 ft	20%	30 ft / 2.5 st
B Class B District (single-family)	7,500	75 ft	20 ft	10 ft	20 ft	20%	28 ft / 2.5 st

Source: Chapter 580 Zoning, Articles IV-VIII (Class A, B, BB, AA, AAA Districts) and Article XII Residential Building and Lot Requirements. 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 Washington Township 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 Washington TownshipFree, 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

Judy Penaherrera

Licensed Realtor-Associate, NJ & FL, Builders Resource Center at Corcoran Sawyer Smith. Advises builders and owners in Washington Township. Numbers updated September 2026.

About Judy · (201) 315-7045

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Washington Township market reportEvery home sold, median prices and the agent who knows the town.What can you build on your lot?Enter an address: zoning, lot size and roughly how big a new home could be.

What can you build in Washington Township?

Washington Township zoning, zone by zone.

Check any Washington Township address.

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