Minimum crawlspace clearance over slab
I’m thinking about a small addition to my house that would intersect with an existing laundry room. The laundry room is slab on grade though the rest of the house and the addition are/would be raised foundation. In order to get the floor at the same height, the part of the addition that overlaps the old laundry room would create a crawlspace roughly 12″ high over the slab. I’m wondering if this is okay or is something I can work around in some way. I would prefer not to have to remove the slab but I definitely want the floor of the addition to be at the same height as the rest of the house. Any thoughts, or advice?
I live in Sacramento, California and I do plan to get permits – but I will be attempting to build this myself.