My washer is newer and just had plumbing redone, now my cold water is not even flowing through the pipes to the washer, but there's no issue with the hot water at all. What can I do?

My washer is newer and just had plumbing redone, now my cold water is not even flowing through the pipes to the washer, but there's no issue with the hot water at all. What can I do?
Is it simply the washer that's affected or is it the entire house? Back to you, Toim