What is the minimum lot size in West Caldwell, NJ?

In West Caldwell's single-family zones: R-2 requires 17,500 sq ft; R-3 requires 14,000 sq ft; R-4 requires 10,500 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 West Caldwell, 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 West Caldwell.

West Caldwell, NJ Zoning: Minimum Lot Sizes, Setbacks & What You Can Build

Single-Family Zones

West Caldwell zoning, zone by zone.

Zone	Min lot (sq ft)	Min width	Front	Side (each / total)	Rear	Bldg coverage	Height
R-2 R-2 Single-Family Residence District	17,500	125 ft	40 ft	15 ft	50 ft	30%	35 ft / 2.5 st
R-3 R-3 / R-3A / R-3B Single-Family Residence (R-3A cluster; R-3B CCRC)	14,000	100 ft	40 ft	10 ft	50 ft	30%	35 ft / 2.5 st
R-4 R-4 Single-Family Residence District	10,500	75 ft	40 ft	10 ft	50 ft	30%	35 ft / 2.5 st

Source: Chapter 20 Zoning, Attachment 1 - Schedule of Height, Area, Bulk and Other Requirements (Subsection 20-5.4), Supp 2, Nov 2021 (through Ord. 1857). 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 West Caldwell 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 West CaldwellFree, 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

Diana Frankel

Broker Sales Associate, Builders Resource Center at Corcoran Sawyer Smith. Advises builders and owners in West Caldwell. Numbers updated September 2026.

About Diana · (973) 632-9299

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West Caldwell 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 West Caldwell?

West Caldwell zoning, zone by zone.

Check any West Caldwell address.

More on West Caldwell.