What is the minimum lot size in River Vale, NJ?

In River Vale's single-family zones: A requires 18,000 sq ft; A-1 requires 40,000 sq ft; B requires 10,000 sq ft; B-1 requires 10,000 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 River Vale, 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 River Vale.

River Vale, NJ Zoning: Minimum Lot Sizes, Setbacks & What You Can Build

Single-Family Zones

River Vale zoning, zone by zone.

Zone	Min lot (sq ft)	Min width	Front	Side (each / total)	Rear	Bldg coverage	Height
A A Residence District	18,000	120 ft	35 ft	15 ft / 40 ft	30 ft	25%	32 ft / 2.5 st
A-1 A-1 Residence District	40,000	150 ft	35 ft	20 ft / 50 ft	50 ft	25%	35 ft / 2.5 st
B B Residence District	10,000	75 ft	25 ft	10 ft / 20 ft	30 ft	25%	30 ft / 2.5 st
B-1 B-1 Residence District	10,000	75 ft	25 ft	10 ft / 20 ft	30 ft	25%	30 ft / 2.5 st

Source: Chapter 142 Zoning, Article LVIII Limiting Schedule, Township of River Vale. 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 River Vale.

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

8teardowns since 2019older homes and lots bought by builders

$415Kmedian builder paidfor the old house and lot

3,102median new home, sq ftnew homes sold, last 2 years

$1.48Mmedian new home price10 sold, last 2 years

Check A Lot

Check any River Vale 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 River ValeFree, 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 River Vale. Numbers updated September 2026.

About Judy · (201) 315-7045

Keep Exploring

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Selling a home in River ValeWhat homes sold for, what a builder might pay, and a free price estimate.Moving to River ValeWhat your budget buys, how old the homes are, and what is for sale now.

River Vale market reportEvery home sold, median prices and the agent who knows the town.New construction in River ValeRecent new-home sales, sizes and price per square foot.Land and teardowns in River ValeWhat 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.

What can you build in River Vale?

River Vale zoning, zone by zone.

What the market pays for new homes in River Vale.

Check any River Vale address.

More on River Vale.