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Deck Cost


How Much Does a Deck Cost?


low cost Do-It-Yourself: $500-$1,000
low costMedium: $2,000-$10,000

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Typical costs:
  • Pressure-treated wood and other materials for a small, 10-x-12-foot do-it-yourself single-level rectangular deck average $500-$1,000; having someone do the work bumps the price range to $1,000-$1,900.
  • The type and quality of materials chosen determine the total price. Pressure-treated wood such as southern yellow pine (which might splinter or turn gray over the years) costs $10-$16 a square foot installed, or $4,000-$6,400 for a flat, 20x20-foot deck. Redwood or cedar, which can last up to 20 years, is $18-22 a square foot or $7,200-$8,800 for 20x20. Durable teak-like tropical hardwoods are $22-24 or more installed, or $8,800-$9,600 for 20x20.
  • Virtually indestructible plastic-wood composites are around $20 a square foot installed, or $8,000 for 20x20-feet. Low-maintenance vinyl deck systems, which include rails, range from $13-22 a square foot installed, or $5,200-$8,000 for 20x20.
  • Rails, steps, benches or overhead arbors all add to the price tag. Having a contractor install a 25x25-foot multi-level deck with railings and stairs averages $16,000-$25,000 or more, depending on the complexity of the design and the type of materials.
  • An annual cost survey by Remodeling Magazine estimates regional averages of $9,075-$12,838 for a 16x20-foot deck addition using pressure-treated wood, and $14,598-$16,956 for the same size deck using composite materials. Either would be installed in a simple linear pattern, with a built-in bench and planter, steps and railings, all supported by pressure-treated joists and 4x4 posts set into concrete footings.
What should be included:
Shopping for a deck:
Article updated February 2007
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What People Are Paying - Recent Comments


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460 sf PT deck
Amount: $0.00
Posted by: BobNJ in monmouth county, NJ.Posted: March 21st, 2011 01:03PM
Sq Ft of Deck: 460Material: Pt
Contractor: ???
How much does a 460 sf deck 8 feet off the ground attached to house made of PT decking with white vnyl rails cost?
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having azek deck built
Amount: $0.00
Posted by: mike k in elmwood park, NJ.Posted: March 21st, 2011 01:03PM
Sq Ft of Deck: 335Material: azek
i was just quoted $19000 for a new azek deck. the deck will be 335 sq feet, have two sets of stairs, and will be about 5 feet off the ground. is this a good price.
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20 year oldf deck
Amount: $0.00
Posted by: Paul C in stratford, CT.Posted: March 26th, 2011 06:03AM
Sq Ft of Deck: 450Material: pt
Contractor: Choate Builders
To Treated Southern Pine in Exton, PA.,

If you decide to use the existing frame (floor joists and beams) I highly recommend you cover the tops of the old lumber with vycor deck flashing (or equivalent) prior to installing the decking. If the framing lumber is in good shape and the construction methods were good then using the existing frame will likely be okay. If you expand the deck there are things you will have to be aware of though.
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16x20 trex accent deck with aluminum ballisters
Amount: $10,700.00
Posted by: jeff koller in downers grove, IL.Posted: March 26th, 2011 02:03PM
Sq Ft of Deck: 320Material: trex accent
Contractor: decks unlimited
Decks Unlimited was more reasonably priced than our other estimates.
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Estimate High?
Amount: $20,000.00
Posted by: Needs New Deck in Nothern KY, KY.Posted: March 27th, 2011 12:03PM
Sq Ft of Deck: 400Material: Wood
Contractor: TBD
We received a quote to come in and replace our old deck and build a new one. It would be 20x20 feet with stairs (and is approximately 9 feet off the ground). Does this seem high to anyone else?
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425 sq/ft transend composite deck
Amount: $14,500.00
Posted by: jjs3 in Middletown, DE.Posted: March 28th, 2011 05:03PM
Sq Ft of Deck: 425Material: trex transend
Contractor: TBD
I was just quoted $14,500 for 425 sq/ft of odd shaped transend deck (undermount) on a slope with highest point 7 ft off ground with 1 set of stairs including deluxe vinyl railing. Totally turn-key, permits and all. is this a good price?
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I just completed a10X20'. Deck
Amount: $960.00
Posted by: Pianoplayerjohn in McDonough, GA.Posted: March 30th, 2011 01:03PM
Sq Ft of Deck: 200Material: Wood
Contractor: myself
I bought my materials from both Lowe's and Home Depot. I used 12 2x12x10's for the base and joist,and used 1x10x10 for the decking,and used 9 4X$ posts with a gate. One thing I found helpful with my rails, Lowe's had pre-notched Rails that I attached to the posts, then all I had to do was cut my 2x2's to length and slide them in the notches then screw them tight. I did not use nails only screws. I actually had fun building it as I am a novice and had no idea how it would turn out, but I have to say it turned out very well. It cost me $960 and that includes the solar lights that fit over the top of the 9 4X4 posts. Before you hire some one to do it for you, check out doing it yourself if possible. My wife loves it, and that's the most important thing, Right Guys?
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16x16 deck treated lumber
Amount: $6,651.00
Posted by: Mami228 in Ann Arbor, MI.Posted: April 5th, 2011 07:04AM
Sq Ft of Deck: 288Material: Treated lumber
For a square 16X16 deck using treated lumber with steps all around the deck and no railing I was quoted $3787 for labor with material est $3,104. Is this a good deal?

The quote was for cedar deck with pressure treated framing and posts:
Cedar deck top facia and stairs
plastic and pea gravel ground cover
4X$ pressure treated posts 42" deep and 60# of ready mix
Pressure treated lumber for beams and joist all at 11.00 per sq. foot

100 square foot of wrap around stairs at 13.00 per sq. foot
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Estimate on a new deck
Amount: $8,500.00
Posted by: gg in santa fe in Cochiti Lake, NM.Posted: April 5th, 2011 02:04PM
Sq Ft of Deck: approx. 900 sq. ftMaterial: pressure treated pine
Contractor: n/a
This is a one level deck with a set of steps going down about 3 feet to the yard, and simple but custom railings. It won't be fancy but it will be big - does this price sound fair? About 4500 for materials and 4000 for labor.
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Deck Prices
Amount: $0.00
Posted by: Paul Choate in Stratford, CT.Posted: April 7th, 2011 04:04AM
Sq Ft of Deck: 0Material:
Contractor: Choate Builders
I've said this quite a few times on this blog and from all of the recent posts I think I should say it again: A deck price can not be given based on size and material alone. It is impossible to tell you whether or a not a price is reasonable based on just a small amount of information. There are way too many things to consider when pricing a project to just casually tell someone whether or not they are paying a fair price. Some things to consider are: Is there another deck that needs to be removed? What is the elevation of the deck? Do you want it built to the minum state/town building code or do you prefer a better built deck? Do we need to install new footings and if so what size and how many? What kind of railing do you want: simple, traditional, fancy? What kind of floor: low maint, pt wood, etc.? How do you want it fastened? Would you prefer an "economical" vinyl low maint. railing or a high end PVC railing? Do you want a contractor with a license, liabilty insurance, workers compensation and do you want all of his subs to have the same coverage as well...or do you simply want a carpenter witha hammer and a few friends of his working on and in your home? Do you need a design or do you already have plans? If you need a design are you willing to pay for them? Who is taking care of the permits? Who is disposing of the construction debris? What kind of framing lumber will be used: #1 or #2 grade? Will the deck be flashed...and will it be flashed correctly?

Only a viist to your jobsite along with a budget, plans, and detailed specs can a price be determined. Find a builder with at least five years under his belt of building decks AND running his/her own business who has at least 25 references. And if you find a builder who doesn't charge at least a small fee to provide all the details in writing then that builder doesn't place any value on his time and will likely not place much value on your project when he is building it.
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deck costs
Amount: $1,164.00
Posted by: Osprey Builders Inc in Lanexa, VA.Posted: April 13th, 2011 02:04PM
Sq Ft of Deck: 120Material: wood
You should be ashamed to have written such an false and misleading article. I am a deck contractor. Jurisdictional codes vary widely so as to make deck costs do the same. For a 10 x 12 wood deck in with moderate codes the cost of the material from Lowes for the deck only (no railing or stairs) is over $1100 (the lower grade of material at that). As a contractor, I must have at minimun 10% mark up on the material. There is also delivery unless you care to pick up the material yourself(still a cost associated). You most also over order on material so culling can be done, so there is another expense in returning boards.
On a wood deck a 12' board costs $8, you get $8 worth of installation.
On a PVC deck a 12' board costs around $36, if you pay for $8 worth of installation you will be severely diappointed. Make sure the installer is certified by the manufacturer.
In my area labor runs $5-8/sqft for deck framing, $1.00-3.50/sqft for deck surface, $6.00-9.00/lft on railing, $10.00-16.00/sqft on stairs
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Deck Costs
Amount: $0.00
Posted by: Paul Choate in Stratford, CT.Posted: April 15th, 2011 07:04PM
Sq Ft of Deck: 0Material:
To Osprey Builders: Who should be ashamed? What post do you find false and misleading?
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Deck Price
Amount: $10,000.00
Posted by: esk in Sherman Oaks CA in Los Angeles, CA.Posted: April 27th, 2011 12:04PM
Sq Ft of Deck: 208Material: Ipe w PT foundation
The estimate started in the $7K range, but I added some benches, a custom made garbage can bin and 16 foot long stairway (only 18 inches to ground). Is this reasonable?
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RE: Deck costs
Amount: $0.00
Posted by: clarification in Fairfax, VA.Posted: May 9th, 2011 12:05PM
Mr. Choate: I believe Osprey Builders was referring to the author of the article at the top of the page. One of the bullet points states that "Pressure-treated wood and other materials for a small, 10-x-12-foot do-it-yourself single-level rectangular deck average $500-$1,000".
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Replacing Wood Deck Floor with Composite
Amount: $1,300.00
Posted by: PennJ in Atlanta, GA.Posted: June 19th, 2011 05:06PM
Sq Ft of Deck: 120Material: Veranda from HD
Contractor: handyman service
Two handymen are replacing my 10x12 foot second floor deck floor with composite (veranda from HD) and installing a decorative gate at the top of the deck stairs. They quoted $500 fixed price for labor, and estimated $650 for supplies, which I bought based on their list (one of them goes along with me). They had already done the stair treads for me as a separate project, so I could split the cost over time. They do any additional repairs that are part of the project within that price, such as touch up painting, full clean up, putting all the patio furniture back, etc.

Notes: I buy them lunch while here but never tip unless they do extra repairs unrelated to the quote. They only do this on weekends as supplement to their full time work, and they fully clean up between weekends and at the end of projects so I am not living in any mess. (To be honest I help with clean up and taking out the trash if I am home.) They have satisfactorily done well over a dozen jobs for me (both indoor and outdoor), and one big basement remodel spread out over time.
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Top Off The Line
Amount: $38,000.00
Posted by: HitMyKnuckle in Poulsbo, WA.Posted: August 31st, 2011 01:08PM
Sq Ft of Deck: 720Material: Ipe/Glass
You get what you pay for. 650sf Ipe decking w/hidden fasteners, ele.9 ft. 2x10 framing w/6x10 beams 6x6 posts. Wrap around Staircase.150lf tempered shater resistant glass panels with aluminum posts and rails. 32sq ft Pergola for bbq. 2 privacy glass panels (6'x8'), Demo/Haul existing deck. All supported with 24"x24"x12" conc pads. All material carried in via hand 200'.
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Wood Decks
Amount: $0.00
Posted by: Carpenter Ken in Des Moines, IA.Posted: November 26th, 2011 09:11PM
Sq Ft of Deck: variesMaterial: Wood
Contractor: KFisher
In the late 80's I used to build custom homes and we usually built decks and privacy fences on those homes as well. Now I build decks on the side for people. Back then we figured decks at 3.60 sq. ft. and steps were 7.00 a step. So on a 10x12 deck it would run around $432 plus the steps. Back then this was roughly the cost of materials as well. I see some of these prices and I cant believe how high they are even in todays standards. Building codes are more strict, permits do cost more. Like any other buisness you have other laborers to pay, insurance, taxes and such. Some of the prices are reasonable for today, many are not.
I recently remodeled a 12x14 deck into a 14x35, 8' above grade with a wrap around stairway out of 2x6 treated wood, 300 aluminum spindles railing. Materials was about 1,700. I charged 1,400 labor. I built it on my own time by myself a couple days a week for 6 weeks. Its all extra $$ to me. The customer understands this, they buy the materials that I order to deliver and I build it. If I were licensed and insured and had a crew to pay it would be considerably more. I understand I am a rarity, using my skills on the side to suppliment my income. I can build any deck with any building codes with the highest of quality. Tight/flush joints, flush screws heads, deck is square, level and plumb. I am probably on the cheaper side for labor, but the customers are not getting a deck built in a few days either. A good average to me would be labor at 1 to 1.5 times cost of materials. If your installing more expensive material like cedar or composites than labor is figured the same way for me. Cedar is soft and delicate so more care is needed when working with it.
Builders usually get a 10% material discount from their suppliers but typically add that 10% back on to the customer. I dont do that either because my customers pay for the materials I order. The labor is my profit. It covers my time, fuel, and equipment depreciation.
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Carpenter Ken
Amount: $0.00
Posted by: Good Builder in anytown, MA.Posted: December 19th, 2011 02:12PM
Sq Ft of Deck: 0Material: wood
Contractor: Professional
Ken, just wondering: does you labor also cover your liabilty insurance, your health insurance, your worker's comp., your advertising, your vehicle maint., your annual equipment/tool purchases/repairs, your office expenses, your phone expenses, your self employment taxes, your building licenses, your EPA training and licensing, your marketing, etc. etc? Building a deck is not nearly as difficult as running a business and it seems to me that you know all there is to know about building a deck...but you could use a class or two about running a successful, long lasting and profitable company. ANyone can build a deck. But most can not do it day after day, year after year while keeping clients happy AND turning a profit.
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deck
Amount: $10,000.00
Posted by: jkiller in havana, IL.Posted: January 26th, 2012 11:01AM
Sq Ft of Deck: 1984Material: red wood
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replacing decking
Amount: $0.00
Posted by: mike in NOVA in falls church, VA.Posted: February 24th, 2012 01:02PM
Sq Ft of Deck: 200Material: 5/4 pine decking
Contractor: looking
I would like to replace the decking on an existing deck. 5-6 ft off ground, nailed. would like 5/4 pine screwed. no stairs, rails are fine. what should I be looking at for lumber cost and labor? ballpark it.
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Average price per square foot for deck build in northern virginia
Amount: $4,400.00
Posted by: John Basilone in loudoun, VA.Posted: March 5th, 2012 09:03AM
Sq Ft of Deck: 276Material: #1 grade pressure treated pine
Contractor: loudoun deck
The average price is about $18 per square foot. Some companies offer discounts for wounded warriors, etc,. However though, I heard through the grape vine the price of lumber will be rising summer 2012. So, that coupled with fuel cost may affect the price per square foot.
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Square Foot Prices
Amount: $0.00
Posted by: Deck Builder in Hartford, CT.Posted: March 18th, 2012 06:03PM
Sq Ft of Deck: 0Material: All
Asking what the square foot price of any major project is like asking what the square foot price of a car is. Square foot prices are just ball park prices. And ballparks are BIG.
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Trex deck with Vinyl Rails and one stairs
Amount: $16,500.00
Posted by: KJWick in Chesapeake, VA.Posted: May 16th, 2012 06:05PM
Sq Ft of Deck: 436Material:
Have a contractor qoute of $16500 for Trex with lights on all posts and riser lighting (4 risers). Also would have a gate put in place for the stairs to keep toddler in. Is this a reasonable price?
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