Somerset County, New Jersey · For builders and owners

What can you build in Watchung?

The single-family zoning rules in Watchung, 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

Watchung zoning, zone by zone.

ZoneMin lot (sq ft)Min widthFrontSide (each / total)RearBldg coverageHeightFAR
R-R
R-R Rural Single-Family Residential		60,000150 ft50 ft15 ft / 50 ft35 ft15%35 ft / 2.5 st
R-A
R-A Single-Family Residential		20,000100 ft50 ft12 ft / 36 ft35 ft15%35 ft / 2.5 st
R-B
R-B Single-Family Residential		15,00075 ft35 ft8 ft / 18 ft35 ft20%35 ft / 2.5 st

Source: Chapter 28 Land Development, Article 28-400 Zoning District Regulations. 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.

What Builders Build Here

What the market pays for new homes in Watchung.

Zoning tells you what you are allowed to build. These numbers tell you what sells.

11teardowns since 2019older homes and lots bought by builders
$350Kmedian builder paidfor the old house and lot
4,240median new home, sq ftnew homes sold, last 2 years
$1.94Mmedian new home price2 sold, last 2 years

Check A Lot

Check any Watchung 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 WatchungFree, 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.
Michael Bulwin

Written and reviewed by

Michael Bulwin

Licensed REALTOR-Associate, Builders Resource Center at Corcoran Sawyer Smith. Advises builders and owners in Watchung. Numbers updated September 2026.

About Michael · (908) 399-0780

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Selling a home in WatchungWhat homes sold for, what a builder might pay, and a free price estimate.Moving to WatchungWhat your budget buys, how old the homes are, and what is for sale now.
Watchung market reportEvery home sold, median prices and the agent who knows the town.Land and teardowns in WatchungWhat builders paid for older homes, and lots for sale now.What can you build on your lot?Enter an address: zoning, lot size and roughly how big a new home could be.