House Building Cost Per Square Foot


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Building a house is an expensive project to take on, especially when you start to estimate it by the price per square foot.


If you plan on building a home, this is something you will want to consider.

The price per square foot estimates most homes, this helps you to figure out the shell home cost of building. This will be very important as it will help you know how large your budget needs to be before construction begins.

You should never start construction on a home before you have estimated and prepared for these costs. Keep reading to find out how much it costs to build a house’s shell and more.

Table of Contents

What Is The Cost Per Square Foot to Build a House?

Most homeowners can expect to pay anywhere from $100 to $155 per square foot when building a home. This price can change year to year, so you will need to do your research to have an accurate idea of these numbers.

When calculating the cost to build a shell house, the price per square foot is very important.

These numbers will make up the foundation of your building estimate to give you an accurate idea of your budget.

If you are in the beginning stages of planning to have a house built, you can use a house shell cost calculator to create a rough estimate. This can help you to figure out what kind of budget you will end up needing to have.

Once you hire a contractor, they will create their own highly detailed estimate that will be more accurate and trustworthy. This estimate will include construction, labor, and material costs for building your home.

How Much Does It Cost to Build The Foundation of a Home?

The cost of building a home’s foundation will vary quite a bit. This is due to different sizes and the different kinds of lots being used.

The size of your home is especially going to determine how much the foundation costs.

Generally, most homes are around 2,000 square feet, which will usually cost around $13,000.

If you are planning on having a basement foundation built, you can expect this to cost more around $40,000.

You may be able to get your expenses for a basic foundation as low as $8,000 in some instances. But it will all depend on the kind of home you are building and the features added to it.

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Concrete alone costs around $4.25 to $6.25 per foot, which will be the necessary expense. Anything extra is just going to add to the price per foot for your foundation.

The cost of building a home is going to vary so greatly, which is why it is best to rely on your contractor’s estimate. Their estimate will be created according to your home’s plans, which will be the most accurate.

There is really no way to get an accurate foundation estimate until you have the plans in hand with your contractor.

How Much Does it Cost to Build Shell of House?

The cost to build a house’s shell can range from $20 to $30 per square foot. This is the shell-only construction cost, and the total cost will depend on the size of your home.

The shell home cost will not be much compared to other expenses as the shell is the most basic element of building a home that includes the framework, windows, doors, sheathing, roofing, and siding.

The building cost for shell only will usually be rather low as most contractors can quickly complete this construction. The cost of how much to build a shell house can usually be lowered, depending on your contractor and the construction team.

This is usually the easiest element of building a home to complete, so it is one of the more minimal expenses to keep in mind.

How Much Does Home Plumbing, Electrical, and HVAC Cost?

Adding plumbing to your home is something that generally costs around $8,000 to $12,000 to install. This is one of the most costly things that will come up during the building process.

To add electricity and wire your home, you can expect to pay anywhere from $4,000 to $10,000. This is another expensive project that must be done when your home is constructed.

To install an HVAC system into your new home, you can expect to pay around $5,820 to $9,350. This is one of those final details that will be made once the house shell has been constructed.

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So overall, you can expect to pay at least $17,820 to add plumbing, electricity, and HVAC to your home. These installations require professionals in that field which is part of the overall cost.

These are some of the most expensive things you will have to add to your home.

How Much Does Interior Finishes Cost When Building a House?

The average cost of interior home finishes per square foot is $29.01, which is a pretty large expense. This can add up fast depending on your interior design and the size of your home.

This is one of the last elements of the construction process and will be the final step before your home is complete. It will also be one of the most expensive parts of having a home constructed from the ground up.

This will often include hiring various people to do different jobs as construction works do not always handle interior work. This will vary a lot depending on the interior elements that you want to be added.

Now that your home is pretty much done, how much has this all come to? There are many expenses involved in having a home built, and you will want to have an idea of what all of them add up to in the end.

If you add up all of these different expenses, the foundation costs at least $4.25 per square foot to build. The shell costs $20 to $30 on average per square foot, and electrical wiring costs around $2 to $4 per square foot.

Plumbing costs about $4.50 per square foot, while installing HVAC will cost anywhere from $3 to $6 per square foot to install. With interior installation costing an average of $29.01 per square foot.

This brings your total cost per square foot to $62.75 for basic building expenses, this does not include a basement foundation, crawlspaces, or other home features.

Are Building Estimates Always Accurate?

Homebuilding estimates are not always entirely accurate, though they are usually very close. Sometimes materials change prices, things are damaged, or construction takes a new turn, all resulting in a more expensive build.

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Sometimes, unplanned or unavoidable events can affect the estimated price. You will want to be prepared for any overages that could occur during the construction process.

Some construction loans have an overage allowance to help you cover any unexpected expenses. You should discuss this with your loan provider to find out if your construction loan includes this helpful feature.

Overall, estimates always have room for error, and sometimes it just can’t be avoided, that is why, you want to be prepared.

How Much Does Building a House Cost Per Square Foot?

The average price per square foot to build a house is $100 to $150, though this can vary quite a lot depending on your home. Overall, the price to build a house is going to depend on many factors, which will determine your estimate.

Because of this, it is almost impossible to estimate accurately how much building a home will cost. You will need to hire a contractor and have plans drawn up so that they can create an estimate based on your home.

How much this costs will greatly depend on the size of your home and how you want it built. You can build a home for as cheap as possible or choose to have more details added, which will result in a much higher price.

It all depends on what you want in your new home. Some expenses can be spared, while others cannot.

You may also be able to bring down the price of building your home if you are able to do any of it yourself. This is a great way to lower the overall price so that building your home from the ground up is a bit more affordable.

Many homeowners are able to do this by building the house shell themselves, as this is the easiest part of the building process. Depending on your strengths, however, it may be best to pay the extra money to have it done by a professional.

You will also want to avoid cutting corners when hiring a contractor, as you want someone trustworthy and not just cheap. If you aren’t careful, trying to save money can ultimately cost you more.

1 thought on “House Building Cost Per Square Foot”

  1. Hi thank for your detailed article. Do you know Any contractor or subcontractor who can work with this numbers you have mentioned in Southern California?
    I wasn’t able to find any. But if you know Please let me know .

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