Historic Preservation in Portland, ME (2026)
1 verified historic preservation rules for Portland, Maine, sourced directly from the municipal code and official government pages.
Verified from official government sources
Historic-Cultural Monuments
Portland's Land Use Code designates individual buildings, structures, objects and sites of particular significance as historic "Landmarks" under Article 16, separate from historic districts. Landmark nomination goes through the Historic Preservation Board and City Council, and any exterior alteration, new construction or relocation on a designated Landmark triggers mandatory historic preservation approval before permitting, effective as revised 7/1/2026.
Portland Landmark (Cultural Monument) Designation
Significant RestrictionsPortland Code of Ordinances, Land Use Code Art. 16, §§ 16.2.1(A), 16.2.2(A)(1) (eff. 7/1/2026)
A. Landmark. A discrete building, structure, object, or site and any associated area found to have particular or individual significance or prominence. Landmarks may be in or outside of historic districts or historic landscape districts. ... Any building, structure, object, site, or area nominated for historic designation must be found to demonstrate significance to the City of Portland, State ...