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Concrete Costs

Smoker

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I'm getting ready to build a 30x60 shop in the back of my property and as such am getting concrete quotes. They seem pretty steep - consistently. For a 30x60 thickened edge pad I'm getting quotes around $30k. Is this the new normal in 2023? I'm located in South West Texas between San Antonio and Austin.
 
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jcarapet

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Lots of stuff depending on how much dirt you have to bring in, slab thickness, prep work, vapor barrier and all that. A bit high but not out of the question. I saw prices between $10-$16/foot depending on the situation.

Prices when I was shopping concrete. September was $135-$187/yard for concrete


Source. North Austin area. Did a 45x60 shop pour at about 85 yards. Had to bring in 29 loads of dirt to bring up to grade. Cost was way more than 30k that but lots of drama associated with that. I can tell you which company not to use.
 

larry_g

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Just what does the quote include? Is it for just the pour or are you having the site go from raw unlevel brushy land to a finished pad?

lg
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Smoker

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Lots of stuff depending on how much dirt you have to bring in, slab thickness, prep work, vapor barrier and all that. A bit high but not out of the question. I saw prices between $10-$16/foot depending on the situation.

Prices when I was shopping concrete. September was $135-$187/yard for concrete


Source. North Austin area. Did a 45x60 shop pour at about 85 yards. Had to bring in 29 loads of dirt to bring up to grade. Cost was way more than 30k that but lots of drama associated with that. I can tell you which company not to use.
There is some land prep, its pretty flat, mainly scraping down a small hump and compact. No trees to remove. Contractor said no need for road base to bring it to level. 5" thickened edge slab with rebar and a cross shaped footing running through the middle due to the slab size. He threw in a 8x8 pad to be poured by the existing barn. Already flat area, 4" thick.
 

stevied916

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There is some land prep, its pretty flat, mainly scraping down a small hump and compact. No trees to remove. Contractor said no need for road base to bring it to level. 5" thickened edge slab with rebar and a cross shaped footing running through the middle due to the slab size. He threw in a 8x8 pad to be poured by the existing barn. Already flat area, 4" thick.
Well he should bring in some sort of aggregate as concrete should not be poured on native material. $16.67/sf seems reasonable if it includes the subgrade. If it is only form/pour/strip it seems high.
 
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Smoker

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Well he should bring in some sort of aggregate as concrete should not be poured on native material. $16.67/sf seems reasonable if it includes the subgrade. If it is only form/pour/strip it seems high.
I guess his point was significant loads of aggregate were not needed to bring it to level. But I will verify hes not planning on pouring on bare dirt. I would expect some kind of gravel sub base.
 

snakeeyes

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Concrete is getting many price increases. I know we got a $10 yard increase beginning of the year and just was told in a few months it was likely going up another $8. We are running a batch plant on a large job and get it for the low price of $150/yard on an industrial scale.

I would do a few inches of compacted aggregate. Plan on a little more than $2.15/sf to clear, stone, and compact.
 

WisJim

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In 2019 just as covid started my 24x40 4" slab with sitework was $10,000. It also included a 6' apron along the long side. In Wisconsin.
 

428PI

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An add came across FB for an outfit out of Little Rock and would put up a 30x40x10 (I believe) pole building with 4 inch concrete and some cheap insulation for 30k. Didn't include the garage door. But I would want thickened edge and perhaps some rebar too. 30k for just cement sounds high but what do I know. If that's the case I may just hire a few guys and pour my own in my existing shed.
 

Mike65

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Here in southwestern Virginia when we had our 24x25' detached garage built last February (2022) the 4" slab cost us $6,000.00 which included gravel base, rebar, & site prep which was not much since the spot was flat.
 

kwb

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You are going to need ~60yds of concrete. Not knowing your local market at $150/yd that is $9000 there. You will have some sort of Rebar or mesh - at least $1000 in that.
A couple of good finishers are going to be needed to do a floor that size each one of those is going to run you about $1000.
Excavation is going to run $1200/day bare minimum for the man and machine. They will probably have a helper that will cost you $500/day.
Before the Dirt guy shows up - someone has to set elevation and mark out the site.
You will need some crushed rock - Figure another $1500 or so for material plus the time/machine to spread and compact.

I am at ~$16k and haven't considered labor to setup forms, place & tie all that rebar and assuming that the dirt guy does it all in a day. Oh yeah and the contractor still has overhead and profit that needs to be accounted for. $30k doesn't sound like it is out of the ballpark.
 

kwb

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The guys I know who are concrete guys bring in independent finishers for jobs that want a really good smooth flat finish.
 

Hobby_Man22

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Lots of stuff depending on how much dirt you have to bring in, slab thickness, prep work, vapor barrier and all that. A bit high but not out of the question. I saw prices between $10-$16/foot depending on the situation.

Prices when I was shopping concrete. September was $135-$187/yard for concrete


Source. North Austin area. Did a 45x60 shop pour at about 85 yards. Had to bring in 29 loads of dirt to bring up to grade. Cost was way more than 30k that but lots of drama associated with that. I can tell you which company not to use.
Mine was a 50x60 and they used 8 concrete trucks. 80 yards Mine was a 5" slab with 2ft deep footers. $11/ sq ft. 3000 sq ft 3500psi with rebar. It was $1400/ load for the concrete truck. Personally I think the concrete guy made off like a bandit, but oh well atleast he did everything right and the process was painless. Atleast the slab portion was
 

Hobby_Man22

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I'm getting ready to build a 30x60 shop in the back of my property and as such am getting concrete quotes. They seem pretty steep - consistently. For a 30x60 thickened edge pad I'm getting quotes around $30k. Is this the new normal in 2023? I'm located in South West Texas between San Antonio and Austin.
I have 40k in my slab. 50x60 and that incudes 50 loads of fill to make a pad 2ft tall, that was $5700 plus $1500 for the guy to make it into a pad, then 33k for the concrete work. All the labor to make it into a slab is included into that price. Oh then the neighbors gave me about 15 loads of dirt and the contractor charged me another $500 to spread it around the perimeter of the slab to create a grade around it. Was going to do that part myself, but it seemed like a **** move since the concrete guy secured the free dirt, so I let him spread it and charge me for it. Oh well it was a win win I guess.
 

Hobby_Man22

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A $1000 a day per man and P and O are not covered? I think I'd postpone and wait until this recession sinks its teeth in. Give it a year.
Idk something is always up. If the cost of steel is down, concrete will be high etc. Personally i'd say if you want a shop just do it. It's not like you're throwing your money away, you'll get it back when you sell the place, or most of it.
 
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Hobby_Man22

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People were giving this advice on Garage Journal in 2020. How many years do you postpone before you realize that you are not enjoying your garage until it actually gets built?
Back then it was the prices are never going down and they did
 

AndrewMarek

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Bulverde, Texas
I’m north of San Antonio and priced out a 28 x 42 and got some pretty high prices. Checked with some guys I know in commercial construction and they said there were some VERY large commercial and government jobs going on that is sucking up a lot of the local capacity and driving local prices up. Perhaps you are being caught in that. I hit the pause button for now.
 

Hobby_Man22

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I’m north of San Antonio and priced out a 28 x 42 and got some pretty high prices. Checked with some guys I know in commercial construction and they said there were some VERY large commercial and government jobs going on that is sucking up a lot of the local capacity and driving local prices up. Perhaps you are being caught in that. I hit the pause button for now.
I heard there was a concrete shortage, never heard of any issues from my concrete guy. Also heard the concrete was super white in color, also not true.
 

AndrewMarek

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What I was told it wasn’t a shortage per se with the material but the locals were close to capacity and had plenty of work so they could name their price… if someone bit great if they didn’t… we’ll they still had plenty of work…
 

sjvicker

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You are going to need ~60yds of concrete. Not knowing your local market at $150/yd that is $9000 there. You will have some sort of Rebar or mesh - at least $1000 in that.
A couple of good finishers are going to be needed to do a floor that size each one of those is going to run you about $1000.
Excavation is going to run $1200/day bare minimum for the man and machine. They will probably have a helper that will cost you $500/day.
Before the Dirt guy shows up - someone has to set elevation and mark out the site.
You will need some crushed rock - Figure another $1500 or so for material plus the time/machine to spread and compact.

I am at ~$16k and haven't considered labor to setup forms, place & tie all that rebar and assuming that the dirt guy does it all in a day. Oh yeah and the contractor still has overhead and profit that needs to be accounted for. $30k doesn't sound like it is out of the ballpark.

How are you coming up with a 30x60 5" thick slab being 60 yards of concrete? The slab should be about 30 yards, are you expecting the thickened edge to be 30 as well?
 

kwb

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Based on my 36x42 on thickened edge slab using 44yds.

Theoretically the OP is going to be about 46yds is perfectly excavated to nominal shape and matching the profile of my slab.

I would rather overestimate a bit than start the overages on the first item.
 

stevied916

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I heard there was a concrete shortage, never heard of any issues from my concrete guy. Also heard the concrete was super white in color, also not true.
There was a massive cement shortage last year but that has cleared up. At my work, we were seeing prices up to $160/cy
 

Hobby_Man22

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There was a massive cement shortage last year but that has cleared up. At my work, we were seeing prices up to $160/cy
I just got $140/yard a couple months ago. Not sure if that was a discounted contractor price or not because the driver handed me the load ticket showing $1400 for 10 cubic yards. The contractor came over quick and snatched it away hoping I didn't see the cost lmao. I think he made about 50 percent profit on my slab if I had to guess.
 

stevied916

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I just got $140/yard a couple months ago. Not sure if that was a discounted contractor price or not because the driver handed me the load ticket showing $1400 for 10 cubic yards. The contractor came over quick and snatched it away hoping I didn't see the cost lmao. I think he made about 50 percent profit on my slab if I had to guess.
That seems in line with current price. I just got a quote recently for 2500psi @ $140/cy plus $12.78/cy in environmental fees and surcharges. Obviously you're not going to pay $140/cy for your slab though because that's just the cost for the mix delivered and doesn't include form/pour/strip labor.
 

Hobby_Man22

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That seems in line with current price. I just got a quote recently for 2500psi @ $140/cy plus $12.78/cy in environmental fees and surcharges. Obviously you're not going to pay $140/cy for your slab though because that's just the cost for the mix delivered and doesn't include form/pour/strip labor.
He just give a sq footage cost. I paid $11/ sq foot.
 

supratreo

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elk grove, CA
we just got a quote for our 36x40 shop. 15" footing and 2'x6" stemwall, floor will be 4" with 4" of gravel and 2" of sand. i was quoted 25k but one person and 15,500 by another. both included site work. the guy that quoted 15,500 has done work for us before and i know he does good work. the other guy did some work for a buddy and he does OK work and i know for sure his price is highly inflated. hope that helps in some way.
 

stevied916

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My local batch plant is just over $200 per yard with a $70 fuel surcharge.
Dang! What mix? Here in CA, if it is a public works project you have to pay an ab219 fee and some ready mix companies are charging $250/ld on top of the other surcharges. Seems like the fees end up being up to $40/cy
 

Josh the IH guy

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West fork, AR
Our concrete prices in NW Arkansas are crazy. Walmart is building a new "campus ", and hogging all the concrete. It's been hard on contractors. And impossible for joe homeowner.
 
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