You will need to file the Declaration with the Clerk and Recorder's Office in the county where the homestead is located. Need More Information?To the professionals at my local Clerk and Recorder's Office,. If you own and live in a house in Fulton County, you may qualify for homestead exemption. Montana has no standard homestead declaration form, although many county clerks and recorders have example forms. A homestead exemption is a legal provision that helps to reduce the amount of property taxes on owner-occupied homes. The home must be your primary residence.