Knowledge Builders

how much will a basement cost

by Stefanie Mohr Published 2 years ago Updated 1 year ago
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Cost to Build a Basement Per Square Foot
Building a basement foundation averages $15 to $130 per square foot. Unfinished basements cost $20 to $37 per square foot. The price depends on land conditions and whether you opt for a finished or unfinished space.

Full Answer

What is the average cost to build a basement?

If you are starting from scratch, the cost ranges from $10 to $35 per square foot. If you are just finishing an existing basement, prepare to spend around $7 to $23 per square foot. If you are having a basement of 1, 000 square feet, prepare to spend around $10,000 to $35,000 in total.

How much would it cost to finish my basement?

Finishing a basement typically costs between $7 and $23 per square foot with an average of $25 per square foot. Most homeowners can expect to pay from $2,800 to $33,985, or $18,395 on average, for a 400 to 1,500 square foot space.

How to finish basement cheaply?

Wood paneling is the cheapest way to finish basement walls. Put strips of wood on your basement concrete walls with a strong adhesive, then use a matching wood screw to attach the paneling to the wood strips. With this, it’ll be easier to remove the paneling to access the pipes or wires when need be.

How much should basement waterproofing cost?

Waterproofing the basement is something to think about. How much does it cost to waterproof a basement? It ranges in price from $1000 to $6000 and more. It depends on the size of the basement, age of the home, and the foundation type to name a few.

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Is it cheaper to build up or a basement?

Generally speaking, building up tends to be less expensive than a basement. That said, not too long ago, lumber was at an all-time high and basements were the better option. Check with your builder and they can advise you on the pros, cons, and cost of each.

Is it worth it to build a basement?

Adding a basement or finishing one is great for a low-cost, extra bedroom, family room, or workout room. Adding a basement also creates peace of mind for homeowners as it adds a safe space for you and your family in the event of inclement weather.

How much value does a basement add?

The appraised value of finished basement space is generally 50% to 60% of the value of the main level square footage. To maximize the cost/value ratio, the market experts recommend keeping the basement budget below 10% of the existing home's value. Staying between 5-10% is a good plan.

How much does it cost to finish a basement in Ontario 2022?

As mentioned, the overall cost of your basement renovation will depend on what you put into it. On average, we've estimated that a basement renovation can cost anywhere between $25,000 and $60,000.

What are the disadvantages of a basement?

The ConsAdditional Construction Costs.Damp and Moisture Concerns.Dangers of Flooding.Inconvenient Access Routes for Furniture.High Noise Echo Levels.Risks of Pest Infestation.Requires Professionals for Construction.

Is it OK not to have a basement?

However, unless you live in an area with sandy or clay soil or where the water table is high, there is no reason why you should not have a basement.

Does bathroom in basement add value?

Adding a bathroom to your basement makes it livable space, which increases the overall market value of your home. A bathroom in your basement can also be a huge selling point for buyers if you are ever looking to sell. When a basement is unfinished with no bathroom, buyers look at the basement as wasted space.

What adds the most value when finishing a basement?

8 Ways a Finished Basement Adds Value to Your PropertyAdditional Bedroom. ... Additional Bathroom. ... Great Return on Investment. ... Way to Add Space if Zoning Codes Don't Allow Other Additions. ... Income Property. ... Add Recreation/Storage/Guest Space to Home. ... Sweat Equity. ... Don't Have to Use High End Materials.

Is a finished basement considered living space?

While a finished basement is considered living space where your property value is concerned, it's only in rare instances that this living space is counted towards the square footage. Even if your basement is not an exception to the rule, a finished basement is an asset to your property value.

Is it worth it to finish basement?

Finishing a basement can be a good investment. According to cost versus value surveys conducted annually by Remodeling magazine, nationally, the average return on investment for a basement project is around 75 cents on the dollar.

How much does it cost to drywall a 1000 sq ft basement?

Average Cost to Drywall a Basement by Basement SizeAverage Cost to Drywall a Basement By SizeCost to Drywall a 1,000 square foot BasementTotal CostLow Cost x 1,480 square feet$2,740Average Cost x 2,220 square feet$8,880High Cost x 2,960 square feet$17,0008 more rows

How long does it take to finish a basement?

4-8 weeksHow Long Does Finishing a Basement Take? The standard time it takes to finish a basement is 4-8 weeks. Keep in mind that this can vary by the project size, so give yourself as much time as you need.

What is the benefit of having a basement?

With this extra space, you can create an organized storage area where all of your precious items are easily located and accessed. Additionally, it is also a perfect place to store backup food storage and other canned goods that can become cluttered if kept in your normal living space.

Can you add a basement to an existing home?

Yes, you can build a basement under an existing house. The process of building, however, is long and arduous. Building your basement can take at least 9 months to finish. To begin, your contractors will have to move your existing home by raising it and bracing the foundations to keep your house from moving.

Is it cheaper to add on or build new?

It is typically cheaper to build an addition than to buy or build a new home that equals the space of your existing house plus an addition. At the very least, the closing costs involved with selling your old house and buying the new house would push this option over the top.

Is it cheaper to build up or out?

In most areas, building outwards is significantly cheaper than trying to build upward. This is because building upward requires more labor, more materials, several permits, as well as the help of a structural engineer.

How much does it cost to build a basement?

Including a basement as part of new house construction can increase the cost of the house by $10-$25 or more a square foot for an unfinished basement, or about $10,000-$50,000 or more for an average house; and $30-$100 or more a square foot for a finished basement, or about $35,000-$175,000 or more for an average house; with costs depending on location, soil conditions, the size and shape of the basement area (unique shapes with more than four corners cost more), the materials/finishes used and additional features like a bathroom or laundry hook-ups.

How much does it cost to add a basement to a house?

Adding a basement to an existing house can cost $30,000-$70,000 or more, depending on the size of the existing crawlspace or half-basement or if the house is on a slab foundation, and how much of the work is do-it-yourself and how much is done by contractors.

How deep should a house foundation be?

In colder parts of the country, a home's foundation must be below the frost line, which can require digging down several feet (typically about 2.5'-5', depending on location). In those areas, adding a basement during new house construction may require only a few more feet of digging to create a usable basement area.

Why is basement not feasible?

In some areas a basement is not feasible because of a high water table or unusual soil conditions (particularly in coastal or marshy areas, or in many parts of Texas, Oklahoma and Arkansas); the cost of excavating through solid rock; or because there is frequent earthquake activity.

What is included in a finished basement?

A finished basement typically includes all of that plus flooring, walls, ceilings, drywall, windows, and additional waterproofing and more in order to provide ...

Can you use a basement as a tornado shelter?

Although traditionally residents of tornado-prone areas have been told to take shelter in a basement if a storm shelter is not available, a basement does not necessarily function as a good tornado shelter unless the basement has been designed and reinforced for that purpose.

How much does a basement cost?

Most of our basements are in the $17,000 to $25,000 range without a bathroom, kitchenette, or bar.”

How much does it cost to remodel a basement?

The average cost to finish a basement is $32 to $47 per square foot or between $22,000 and $46,000. A 500 sq. ft. basement remodel costs $20,000, and a 1,000 sq. ft. basement renovation is $38,000 on average. Prices depend on if it's an open-plan or with rooms and a kitchen.

How much does it cost to install a basement ceiling?

An average basement ceiling installation cost is $3.50 to $4.30 per square foot when installing ceiling joists and adding R-11 insulation batts plus ceiling drywall. While the price of the drywall is the same, installing ceiling drywall is more complicated and usually requires additional equipment for the best working access. For example, ½” drywall on walls costs $1.13/SF, while ½” drywall on ceilings runs $1.35/SF.

What is the biggest expense of refinishing a basement?

Basement foundation costs could well account for the biggest expense of the basement refinishing project.

How much does it cost to paint a basement floor?

Scoring and polishing the existing basement concrete floor costs $2 per square foot while painting the basement floor with epoxy costs $3 per square foot or more. For other floorings, install wood flooring joists for $1.74 to $3 per linear foot installed and a plywood subfloor for $0.99 to $1.49/SF installed.

How much does foam insulation cost?

Spray-applied closed-cell foam insulation prices range from $700 to $4,000 or $32 – $80.50 per cubic square foot, per 1” of thickness sprayed. Foam is recommended for basement insulation because it is not air permeable—it won’t cause condensation to build up between the insulation and concrete walls.

How much does it cost to install an HVAC system in a basement?

The average cost to install an HVAC system in the basement is $4,000 to $6,400 with new ductwork costing an additional $1,500 to $3,000. You might not have to install a separate HVAC system for the basement if the existing unit upstairs can handle the extra workload. If it can’t, then either upgrade your existing unit or install a second unit downstairs. You’ll have to install new ductwork and ventilation either way, unless you install a mini-split system.

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