What would your basement or foundation job cost?
Waterproofing, repair or the crawl space. That job, this house, your ZIP. Not a national average.
Do you own this house?
Yes, check my price & quoteOne question here, then your ZIP. Asking for a quote doesn't commit you to the job.
This price & quote is for the house's owner. If you don't own it yet, the owner is the one who can ask for it.
A few local companies may follow up with a quote.