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Wanting to build in Seacoast NH - Need Input

SAABseanSCANIA

New member
Joined
Jun 10, 2016
Messages
4
Location
MA/NH Line
Hey gang,

Just like the title says, I'm wanting to build in lower NH near the MA line. I have another real estate transaction hopefully (fingers crossed) nearing the end, so I'd like to settle the scores on some other ventures and finally put in the "his" set of garages. I currently have a 2 car standard under-house garage with the split entry, but with it being the standard "size" (builder), my pickup isn't very happy in there, and the other side is occupied by her vehicle. So currently the expensive pickup is sitting outside, and the cheap-o Mustang weekend/sunny day toy is inside - makes no sense.

I initially thought about 24X24, that grew to 24X30, and now I'm considering a 30X30 and everything in between that and the 24X30. I think I can get away with a monolithic slab up here with all the rock, but I'll get a professional opinion of course. It's a pretty level area.

Anybody up here care to chime in as to what I could expect to pay for such a thing? I'd like to be in at around $25K. I'm an engineer and I've done just about everything - I just finished my third floor of my house myself, so I know the basics, but time is worth writing the check for. I built a large shed in my free time and it took close to a month from framing to finish exterior carpentry; this is why I'm looking to have someone come in and knock it out - and I know that comes at a cost. So basically I'd be looking for an exterior-finished 2-bay (up to) 30X30 attic garage (with stairs), roofed and vinyl sided shell sitting on a monoslab or a footing foundation. Think that's a doable thing at 25K? I can finish it and I can wire it. I want to be able to get the shell done before winter then do it how I want in terms of electrical/lighting/insulation/walls with the months following.
 
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matt_i

Well-known member
Joined
Mar 14, 2008
Messages
10,797
Location
SE Michigan
Concrete and foundation is going to be everything in your timetable and price point. I would plan to start next week if you intend to be done by winter and hold down another job...there are only so many nights and weekends.

I think you are really pushing to buy materials for 30x30 for $25k. My opinion is no way it can be built (well) by a contractor for that much. With your free labor, it can be close but as I said the concrete and foundation are the unknowns and could drive extra expense.
 
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SAABseanSCANIA

New member
Joined
Jun 10, 2016
Messages
4
Location
MA/NH Line
Concrete and foundation is going to be everything in your timetable and price point. I would plan to start next week if you intend to be done by winter and hold down another job...there are only so many nights and weekends.

I think you are really pushing to buy materials for 30x30 for $25k. My opinion is no way it can be built (well) by a contractor for that much. With your free labor, it can be close but as I said the concrete and foundation are the unknowns and could drive extra expense.

What's your opinion on a monolithic slab since this is detached? I believe they do 24" trench and go 6" fiber reinforced.
 

Mr onetwo

Well-known member
Joined
Apr 6, 2011
Messages
2,021
Location
Coastal Maine
Welcome to the forum!:thumbup: I built a 24 x 32 garage 7 years ago and I have already added on to it. My biggest mistake was the width and height.IMHO you should not build anything narrower than 28ft. The extra width makes it so much easier to place a lift and make it a true 2 bay work/storage space. Also 12ft walls so you can put in a regular 2 post normal height lift. I really wish I had done these 2 things. Do not scimp on concrete and insulation.Min 4500 psi concrete with air entrainment...no fiber. Use rebar ...wire and fiber is a complete waste of money...do it right.I did this and I have not one single crack in the floor after 7 years with no control joints. This is how mil spec slabs are done. 2" blue board underneath and infloor tubing even if you don't plan on heat right away.Tubing is cheap and increases re-sale value substantially. Plan carefully where a lift would go and pour a 12" deep haunch there. Also 2" pvc conduit under slab going front to back and side to side makes wiring and future equipment adds much cleaner and easier.I went with a single 16'x8' door....wastes a lot of energy in the winter...2 10' wide doors would be better.In summary...plan,plan,plan! Think every possibility thru completely and don't skimp on the bones...do it right once!Good luck!:beer:
 
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TTA89

Well-known member
Joined
Feb 23, 2014
Messages
230
Location
New Hampshire
I was quoted almost double what you want to spend to build a 26x26 garage in Windham, NH. Granted, this was the contractor doing everything and we just write the checks. We needed some extra site work done to make it work but it's still outrageous.... In the end, we bought a huge garage up north that came with a free house. :thumbup: :lol:
 

kmacht

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Joined
Apr 12, 2010
Messages
2,776
Location
Connecticut
Consider going pre-fab. I had a 24x24 prefab 2 story garage in Connecticut built, installed, and painted for about 23k including expanding an existing monolithic slab. I did the concrete work myself but everything else was done by the pre-fab company. A number of years later and it is still holding up just as well as the day it was delivered. You can see an older thread of mine on the build here:

http://www.garagejournal.com/forum/showthread.php?t=70896&showall=1

The company (horizonstructures.com) out of PA has an online calculator where you can select the type and size of garage you want, enter your zip code, an they will provide you with a pretty accurate quote. When you are ready to move forward you have the opportunity to have them move doors, windows, stairs, etc at no additional cost. I highly recommend them.

Keith
 

BIG-BRO

Well-known member
Joined
Jul 1, 2014
Messages
88
Location
New Hampshire
Good first step might be to visit the town Building Dept and ask what the foundation/slab requirements are. They are going to issue permit so can tell you if monolithic slab is OK versus footing and stem wall.
I am also in southern NH and my detached garage is requiring footings and frost walls.
Don't be afraid to call a local foundation guy and ask for a quote - they'll know.
So far, About 60% of my budget estimate is in the concrete (excavation, fill, foundation and floor). The structure on top of that is the cheaper part !
 
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