Essex County, New Jersey · For builders and owners

What can you build in Fairfield?

The single-family zoning rules in Fairfield, 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

Fairfield zoning, zone by zone.

ZoneMin lot (sq ft)Min widthFrontSide (each / total)RearBldg coverageHeightFAR
R-3 (detached lots)
R-3 detached single-family dwellings on individual lots		7,00040 ft20 ft10 ft50 ft35% / 2.5 st
R-5
R-5 Residential Zone		6,00075 ft20 ft10 ft / 20 ft15 ft35%35 ft / 2.5 st

Source: Chapter 45 Zoning, Article VII Zones and Zone Regulations (Schedule of Area, Yard and Building Regulations: https://ecode360.com/35315144). 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 Fairfield 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 FairfieldFree, 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.
Suzan Adedipe

Written and reviewed by

Suzan Adedipe

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

About Suzan · (973) 687-0662

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