How Much Does a Home Addition Cost in New Jersey?

Adding a room or addition to your home in New Jersey offers alternatives to building or buying a new home. On average, homeowners in New Jersey spend $48,000 adding additional living space to their existing homes. Of course, many variables affect this number. Material costs, labor costs, local building requirements, and your location all factor into the equation

The average cost for an addition in New Jersey is $48,000, and it costs $120 per square foot. Homeowners spend an average of $25,500 for a bedroom addition in New Jersey, $106,920 for a master suite addition, and $58,500 for a bathroom addition. You can expect to spend $25,800 for a garage addition in New Jersey and $20,610 for a front porch addition.

When making estimates on the cost of an addition to your home in New Jersey, it is important to understand that you are performing rough calculations. Such rough calculations don’t factor in many of the variables that can affect cost. It is always preferable to calculate a range of costs and wait for your contractor or builder to give you an exact cost estimate for the project.

In general, you can figure the range of costs to complete a home addition in New Jersey-based on these figures. We based these numbers on an average high and low cost of $86 and $208 per square foot.

The cost to add a room to your existing home can vary greatly depending on the function of the room and the quality of the materials and fixtures you choose. On average, a simple bedroom addition costs much less than the addition of a bathroom or a master bedroom with an ensuite bathroom.

Start with the cost of adding basic space to your home based on the square footage of the physical space. You can then add other costs based on the function, use, and style of the addition. We use $147 per square foot to calculate this construction cost.

Adding a new master suite to your home can be a game-changer for both you and the value of your home. Many older homes don’t include an ensuite bath in the original master bedroom. Creating a new private space with all the most modern amenities can create a completely new feel for your home.

Typically, a new master suite addition has more square footage than the original master bedroom and more closet space. Adding an ensuite bathroom creates an even more luxurious feel. Unfortunately, all these additions and amenities increase costs for the addition as well.

The average new master suite addition to existing homes in New Jersey is close to 500 square feet. This additional square footage of a larger bedroom, the ensuite bathroom and additional closet space can cost between $106,920 – $173,700.

Of course, the top end of this range is by no means the cap. The addition of expensive amenities such as saunas, a small kitchenette, or even a swim spa can drive the cost even higher.

Many homeowners consider the question of adding a new bathroom or remodeling an existing bathroom. Both are viable options but come at much different costs. Typically, a bathroom remodel is much less expensive than a bathroom addition to an existing home.

A bathroom remodel usually requires minimal plumbing expense and is more focused on finish and amenities than actual construction costs. A bathroom addition is a different matter. You incur the construction costs of adding space to your existing home. In addition, you must expect to spend much more on expanding your existing home’s plumbing system and electrical services. The cost of new fixtures adds more to the overall cost of a bathroom addition.

Adding a bathroom to an existing home in New Jersey can cost between $32,400 and $84,600. As with any bathroom addition, the quality of materials and finishes you choose is a major factor in the final cost. The upside of doing a bathroom addition is the increase in home value that generally accompanies the project. Some homeowners see a 50% return on costs in the home’s value almost immediately.

Sunroom additions are popular as a way to add additional living and entertainment space to an existing home. A well-designed and built sunroom becomes an all-season space that offers many new uses to existing homes.

The cost to add a sunroom to an existing home in New Jersey runs from $14,400 to $144,000. Like any other home addition, the quality of the construction and the amenities included contribute to the additional costs.

One other factor that can add additional costs to a sunroom addition is environmental conditions. In areas where extreme weather such as heavy snow loads or high winds require additional structural considerations, added costs are the norm.

Adding new space for your family to enjoy is a popular addition made to many existing homes. Many times, these additions include an additional bathroom, expanded access to patio areas, or even a small additional kitchen area.

A basic family room addition to an existing home in New Jersey can cost $61,920 to $149,760. Beyond the basic costs of doing a family room addition are the additional expenses for any amenities. Many people include home theater installations as part of a family room addition.

Unfortunately, many people find the kitchen of their existing home inadequate for their lifestyle and entertaining needs. Often the location, size and layout of an existing kitchen precludes a kitchen remodel as a solution. The addition of a new kitchen space frees the old kitchen area for more practical uses as well.

Kitchen additions are perhaps the most expensive home additions. Adding a basic kitchen with mid-range appliances and features can cost between $45,180 and $78,120. Creating a gourmet entertaining area with more floor space, higher-end appliances and specialized equipment can push the cost well above $100,000.

Several factors can force a home expansion upwards instead of outwards. Small lot sizes, zoning requirements, and deed restrictions may prevent home additions on the same level as the existing home. Any additional space added to the home requires going up instead of out.

Adding a second story to an existing home is not in the same category as adding an addition. You are, in reality, building a second home on top of your existing home. Building upon an existing structure requires more work when constructing the new space, such as