Zoning Overlays & Bonuses in Portland, ME (2026)
1 verified zoning overlays & bonuses rules for Portland, Maine, sourced directly from the municipal code and official government pages.
Verified from official government sources
Density Bonus Law
Portland's Land Use Code lets eligible affordable-housing projects build more units than the base zoning allows. Under Section 17.2.2(D), density bonuses scale from 1.1x base at 10-19% low-income or workforce units up to 2.5x base once a project reaches 50% or more.
Portland Affordable Housing Density Bonus
Some RestrictionsPortland Code of Ordinances, Chapter 14, § 17.2.2(D) (Land Use Code, eff. 7/1/2026)
D. Density and height bonuses. Notwithstanding any other provision of this Land Use Code to the contrary, in order to encourage low-income and workforce units in areas prioritized for growth, eligible projects as defined under Subsection 17.2.2 may avail themselves of the following options: 1. Density bonuses. The maximum number of units that would otherwise be allowed under this Land Use Code ...