Kentucky Mechanics Lien Form

There is nothing in Kentucky law that would prevent it, but it would depend on Ohio lien laws.

KRS 376.010(1) provides for a lien for work performed. Therefore, the lien should be filed for the 75% of the work you performed less the payment received by you. A limitation for "unpaid balance" would only come into effect for a subcontractor or material supplier who performed work on an owner-occupied home (the lien "shall not be applicable to the extent that an owner-occupant of a single or double family dwelling or owner of other property as described in this subsection has, prior to receipt of the notice provided for in this subsection, paid the contractor, subcontractor, architect, or authorized agent for work performed or
materials furnished prior to such payment. KRS 373.010(4)), or possibly a public project (the lien is for the full contract price, but attaches only to the remaining funds due the general contractor, rather than the property itself. KRS 376.210(1)).

Yes, subject to the other requirements for a mechanics lien and being able to prove the necessary items to support an oral contract.