MT SB337

Residential subdivision developers may receive a temporary property tax exemption for up to 5 years by prepaying property taxes equal to 5 times the most recent year's tax amount, plus a 5% fee

Exemption requires department approval and payment within 30 days of approval, before January 1 of the tax year sought

Exemption applies to all lots in the subdivision including new construction, regardless of ownership changes during development

Exemption terminates early on individual lots once a habitable residential structure is constructed, or for the entire subdivision when 95% of lots contain habitable structures

Applies to property tax years beginning after December 31, 2025