View source for After-Acquired Title in Pennsylvania

A state court judgment is a lien on real estate owned by the debtor at the time of the judgment and does not attach to after acquired property.  Note that if the judgment is revived after the purchase of property, it will attach upon revival. 

However, Federal judgments tax liens do attach to after acquired property. IRS liens are subordinate to a purchase money mortgage, but the lien must be shown on Schedule B. II. as a subordinate matter.  The lender must be notified and approve, and the closing instructions must be consistent and not require that the lien be removed.

Child support liens attach to after-acquired title.

Liens for student loans attach to after-acquired title.

Unemployment compensation liens attach to after-acquired title of the employer liable for the tax.

Sales and use taxes attach to after-acquired title, according to the PA Department of Revenue.