Cost to turn basement into underground garage?

5 years ago

last modified: 5 years ago

My house is on too small of a lot to build a traditional attached garage and has on-street parking only. What would it cost to turn half the basement into underground parking? I have included a photo of the house with the area I think would work well for the pull-down driveway and two photos of examples that I found of other houses with similar underground garages. I have no idea where to begin with what’s required or estimated costs of this project. Any help is appreciate!

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Comments (4)

anj_p
5 years ago
OK I'll bite.
there are things underground, like gas lines water lines, and sewer lines, that tend TY get in the way of deep excavations around your house. moving them would be prohibitively expensive.
but let's assume you don't have anything in the way. you'll need to get down 8-10 feet from the street to your tuck under garage, with enough leveling space in front so you don't scrape your car on the top of the garage door. that slope on a small lot will be difficult if not impossible to achieve.
let's assume you can get the slope to work. then you'll need 10 foot high retaining walls built, but you have to excavate and construct them on your property only. that by itself will be really expensive.
then, you need to make your basement up to code for a garage, including reinforcing what used to be a load bearing wall that's now a garage door.
most houses with tuck under garages are built that way due to the slope of the lot. they're not usually built in flat lots.
I think you're better off buying a house with a garage, if that's what you need, instead of trying to retrofit one in your house.
PRO
GN Builders L.L.C
5 years ago
Having a porch on the left...most likely your water and sewer enters the house on the right.

By the time you excavate everything and do your curb cuts and the most likely city will want you to put up a bond, etc, not to mention the water table, etc it will cost you an arm and a leg by the time you be done and that if the city lets you do that.

In most cases the picture that you show, the underground garage would be part of the original home design.

With that said, if the city lets you do that and you have a few extra $$$ burn a hole in your pocket anything is doable.

Good luck
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worthy
5 years ago
last modified: 5 years ago
You can also price an elevator lift installation for the front yard, so you're not losing your basement space.

Underground Elevator Lift

But unless you're in a very high demand urban area, the cost of either alternative will likely be prohibitive.

Backing in or out of a high-slope basement garage is no fun!
roarah
5 years ago
Could you put a small parking pad adjacent to your neighbors drive way? Not as nice as a garage but at least would provide off street parking.