In parts of New Jersey, particularly across Hunterdon, Morris, and Somerset Counties, land use is shaped not only by local zoning, but also by broader environmental regulation.

One of the most significant of these is the Highlands Act.

For buyers and sellers in this region, it is not something that comes up in every transaction. But when it does, it can meaningfully influence what a property can and cannot be used for.

Understanding the Highlands Act is less about memorizing regulations and more about recognizing how it shapes land, value, and long-term potential.

What Is the Highlands Act?

The Highlands Act refers to the Highlands Water Protection and Planning Act, enacted in 2004.

Its purpose is to protect the water resources and natural environment of the New Jersey Highlands, a region that supplies drinking water to a significant portion of the state.

The Act established the New Jersey Highlands Water Protection and Planning Council, which oversees planning and regulation within the Highlands region.

At its core, the legislation is about managing development in environmentally sensitive areas.

Preservation Area vs. Planning Area

One of the most important distinctions within the Highlands Act is the division between:

• Preservation Area
• Planning Area

Preservation Area

This is the more tightly regulated portion of the Highlands.

In these areas:

• Development is significantly restricted
• Environmental standards are more stringent
• Septic density and water usage are closely controlled

From a real estate perspective, this can limit subdivision potential and future development options.

Planning Area

The Planning Area is less restrictive.

Municipalities in this area can choose to conform to Highlands guidelines, but they retain more flexibility in how land use is managed.

For buyers, this distinction is important because two properties that appear similar may fall under very different regulatory frameworks.

How the Highlands Act Affects Real Estate

The impact of the Highlands Act is not uniform. It depends on the specific property, its location, and how it is currently used.

That said, there are several consistent ways it influences real estate.

Development and Subdivision Potential

One of the most direct effects is on what can be built.

In Preservation Areas:

• Subdivision opportunities may be limited or eliminated
• New construction may require additional approvals
• Density is often reduced

For landowners, this can affect long-term planning and property value, particularly if development potential was previously assumed.

Septic Density and Environmental Constraints

In many rural parts of New Jersey, septic systems are a key factor in determining how land can be used.

The Highlands Act introduced stricter standards for:

• Septic system placement
• Density of development
• Environmental impact

This can influence:

• Whether a property can support additional structures
• How land can be subdivided
• The feasibility of certain improvements

Property Value: A More Nuanced Effect

The effect on value is not one-directional.

In some cases:

• Reduced development potential can limit speculative value

In others:

• Preservation of the surrounding land can enhance long-term desirability

For many buyers, the appeal of the Highlands region is tied directly to its protected landscape.

Open space, environmental stability, and limited overdevelopment can be part of what supports property values over time.

What Buyers Should Consider

When purchasing property in the Highlands region, it is worth understanding:

• Whether the property is in the Preservation or Planning Area
• What restrictions apply to future improvements
• How septic and environmental regulations may affect use
• Whether there are any approvals or limitations already in place

This is particularly important for buyers considering:

• Building new homes
• Expanding existing structures
• Purchasing land with plans in mind

What Sellers Should Understand

For sellers, the Highlands Act is often less about restriction and more about positioning.

Clear documentation and understanding of:

• What is permitted
• What has already been approved
• What limitations exist

can help set expectations and avoid confusion during the transaction.

In many cases, providing clarity upfront leads to a smoother process.

A Practical Perspective

The Highlands Act is best understood as a framework rather than a barrier.

It shapes how land is used, but it also helps preserve the character of the region.

For buyers and sellers, the key is not simply knowing that it exists, but understanding how it applies to a specific property.

As with many aspects of real estate in this part of New Jersey, context matters.

Two properties may sit a mile apart and operate under very different sets of rules.

Clarity at the outset allows for more confident decisions and fewer surprises later.

Frequently Asked Questions