(Closed) Cost of building a basement?

posted 5 years ago in Home
Post # 3
Member
5762 posts
Bee Keeper

We’ve been looking at homes and just asked about that too. For the smallest model (1400sf) we were told a rough estimate to have an unfinished basement was $10,000.+, and then to finish it an additional $10,000.+. Adding a bathroom or powder room would of course add more, and this was just with walls and carpeting…no bedrooms…a wide open space without partitions.

Post # 4
Member
10367 posts
Sugar Beekeeper
  • Wedding: September 2010

Why not just build a 3rd story? I’ve never heard of a basement that didn’t have drainage/moisture/temperature/lack of light issues. I’d much rather have either a larger floorplan above ground, or an additional story to the house up top.

Post # 5
Member
2808 posts
Sugar bee
  • Wedding: September 2014

well, you have to think- does the house plan include a basement? if not, then you have to add in the cost to add in a basement to the plans.

onto cost- based on research i’ve done for my parents (i desperately want their basement finished. it’s half finished and it looks like sh*t), ours would be between $25,000 and $40,000, depending on finishes and such, and depending on contractors and things.

Post # 7
Member
11234 posts
Sugar Beekeeper
  • Wedding: August 2013

@colorofmyheart:  A factory home would not include a basement. She’s asking what the cost of the basement would be.

OP, you have to consider the cost of excavating the site, marking the boundaries, pouring the walls, figuring drainage, materials (concrete, rebar, sand, etc.). I would start looking for basement contractors. Google or check the phone book and start calling people to see who can do them, and see if they can give you a ballpark over the phone. You’ll need to know the sq. footage of your house (or half, if it’s a two story), and probably what kind of soil (although they may come out and do a test). Finishing a basement is a whole different story, because that’s mostly just straight building. After the house is put on the foundation and the mechanicals put in, they can stud out the walls, put up drywall, etc.

However, why in the world would you want to put three bedrooms in a basement? 

Post # 9
Member
5762 posts
Bee Keeper

In NJ, so you can expect your costs to be regional. I’d also guess the bathroom would add an additonal $4-5,000. Rough estimates for the larger homes went up accordingly.

Post # 10
Member
2554 posts
Sugar bee
  • Wedding: June 2012

Don’t know if this helps, but we renovated our basement in our previous house. Pretty much gutted it. We did a laundry room, full bathroom, bedroom and recroom. We did all the work ourselves and it cost us around $10,000.

Post # 11
Member
436 posts
Helper bee
  • Wedding: August 2011

Unfortunately the price of concrete has SKYROCKETED in the past year. We had originally looked into something exactly like what you’re talking about–a factory-made home put on a basement. The basement cost will vary, of course, depending on the size of the house. The house we were looking at was BIG. The cost to dig, pour and set the house on the basement was just shy of $40,000. We were also doing this in the middle of the country, so it might be cheaper if you’re closer to where the concrete is being mixed and they don’t have to haul it as far. 

As far as what one of the PP’s said about just building another story, I’m not sure where you live, but usually having a basement is a GREAT idea! We live in Tornado Alley, so having a basement isn’t even a question for us. Plus, they’re great for storage! :o) 

Post # 12
Member
10367 posts
Sugar Beekeeper
  • Wedding: September 2010

@MrsCanoodle:  Gotcha! I grew up in Texas, where we really needed them for storm protection, but they could not be built because of the hard soil. Then I moved to New England, where everyone had a basement, and there was no shortage of the horror stories with $10,000+ repairs for leaks, drainage issues, mold etc. So then I just started to wonder “why basement?!”. Makes a lot of sense in your case, though!

Post # 13
Member
10453 posts
Sugar Beekeeper
  • Wedding: February 2014

My parents just did their basement and finished about 1200 square feet of it. I think it was around 75k for them? But it’s very high end. And they did most of the work themselves. 

Post # 14
Member
1762 posts
Buzzing bee
  • Wedding: August 2014

We finish our basement last summer and we paid about $30,000 we put in another bedroom, family room, bathroom and office.

Post # 15
Member
2808 posts
Sugar bee
  • Wedding: September 2014

@vorpalette:  i didn’t realize it was a factory home. some plans i’ve seen include basements. i apologize for the confusion. OP, i’m sorry.

Post # 16
Member
1477 posts
Bumble bee
  • Wedding: May 2012

We’re remodeling our unfinished basement and the best price we got was $15,000. It’s 1 bedroom, 3/4 bath, walk in closet and kitchenette.

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