N.H. Rev. Stat. Ann. § 454-B:5
The fee for filing and indexing each notice of lien or certificate or notice affecting the lien shall be $30.
Source. 1988, 116:1. 2001, 102:41, eff. July 1, 2001. 2005, 219:5, eff. Jan. 1, 2006. 2017, 195:12, eff. Sept. 3, 2017.