Front Porch
Average Square Footage Costs

Most folks want to know the average square footage cost of a new front porch as part of the planning process. It can vary from state to state and from region to region.

There are many different variables but it does help to get an approximate idea as to what your investment will be. Here's data I've compiled for 2018; however, your actual costs will depend on several factors discussed below.



custom built new front porch
Custom porch designed and built by The Porch Company
Latest figures indicate a 16 x 20 foot porch will have an average cost of approximately $60-$65 per square foot or approximately $20,800. It is also worthy to note the expected resale value of that porch may be about 70-85 percent depending on your geographical area.

Considering the resale value of other home improvements, building a porch may be well worth it by creating curb appeal, adding additional outdoor living space, and your return on investment.

We highly recommend contacting at least three local reputable porch building contractors to obtain estimates. Use the information below to compare both costs and expected tasks to ensure you find the most qualified contractor.

If you like, use our handy form to find contractors in your local area.

Mary and I believe it helps to understand the elements that make up that cost and how you might be able to reduce your overall costs if inclined to do so.

Porch Construction Cost Considerations

Tradesperson Costs

Generally, a contractor provides all the necessary trades required to build your porch and their costs are included in the overall estimate. However, if you were to hire them yourself, approximate average costs are listed below.


Electricians usually cost $65 to $85 per hour(source:; however, you may be able to use an apprentice electrician (who should be qualified to do typical porch electrical work) that will charges less.


General carpenters charge between $40-80 per hour (source: whereas trim carpenters will cost more.


Painters usually charge from $25-$100 (source: per hour depending on the size of the job, paint selected, etc.

General Construction Material Costs

new porch under construction
New porch under construction - The Porch Company
Although every facet of your porch is important, we recommend you pay particular attention to the roof and foundation construction. These are critical elements and if done improperly, can cost you considerable money down the road.

Foundation Work

pouring concrete footings

Concrete: Concrete is required for footings, the depth of which is dictated by your geographical area. Generally speaking, concrete costs approximately $90 per cubic yard (source: and can vary greatly due to geographical area. This does not include delivery charges. A 16 x 20 foot porch may require 6 to 9 footings which is equal to 2 cubic yards (depending on depth and type of footing).

Beams, Joists, Decking: Generally speaking, your porch foundation and flooring are similar to that of a deck. Average cost of a 16 x 20 foot pressure-treated deck is approximately $11,000. This of course, depends greatly on your flooring materials, i.e, treated, composite, hardwood, exotic woods, etc.


The project will require joists and beams, porch columns, as well as plywood 4. asphalt, and under-layment We show relative costs as it is totally dependent on the type of roof being installed, i.e, stick built; trusses, gable, hip, etc.

hanging rafter joists for new porch roof

Shingles: Approximately $8-100 per square.

Columns: 14' 6x6s approximately $33.00 each

Under-layment: $200-$300

Sheathing: 4x8 foot is approximately $13.00 each

2x4s:8 foot $3.70 each

2x10s: 8 foot 12.00 each


You have several options ranging from bead board panels to vinyl and exotic woods. 4x8 foot bead board panels cost approximately $23.00 each.

Balustrade (if required)

Pressure treated square balusters run about $1.00 each while metal can cost considerably more. You'll also need both top and bottom rails.


stair treads are cut and attached to stringers

Dependent on how many and how wide the steps will be. In addition, you will need at least a 4x4 foot landing (usually concrete, brick, etc.)

Electrical Fixtures

These include your outlets, fans, lights, etc., and should be priced locally.

Other Costs to Consider

You may have to remove and discard an existing porch or deck, update or add to electrical systems (add circuit to your electrical panel), transportation costs, etc.

new porch framed

Custom porches, screen porches or 3 season porches will obviously have other costs associated with it to include more labor costs.

Here's a great website that lists the average costs of many home additions, remodels, and replacements.

We recommend you contact a local contractor who specializes in the structure you'd like and they will be able to give you a fair estimate based on your local requirements, materials available, and labor costs.

new front porch under construction - estimating the costs
Take time to consider the costs before you get started
You can get a fairly good square footage cost estimate for your porch before you begin your project.

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/ / / Average Square Footage Cost of a New Porch


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