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Cumberland planners map out major zoning changes as LD 1829 prepares to take effect
Summary
Town planners and residents spent a joint workshop dissecting LD 1829the new state law increasing housing densityand its impacts on parking, ADUs, lot sizes and growth-area maps. Bridget Perry, the townplanner, urged mapping, ordinance updates and a pilot rezoning to adapt to the law before state rulemaking is finalized.
Bridget Perry, the Town of Cumberlanddirector of planning and sustainability, told a joint workshop of the planning board and comprehensive plan committee on Oct. 27 that LD 1829 "is an act to build housing for Maine families and attract workers to Maine businesses by amending laws governing housing density," and that the statute will require several updates to the town code.
Perry said the new law contains several provisions with different effective dates and that some pieces are already state law and must be followed now. She summarized several immediate changes: in designated growth areas municipalities may require only one off-street parking space per dwelling, the state has broadened the accessory dwelling unit (ADU) definition to include units on multiunit structures, and planning-board training requirements have been added.
Why it matters: LD 1829 changes the local tools towns use to control the pace and pattern of housing growth. For Cumberland, Perry said, the largest near-term implications are the prohibition of local rate-of-growth ordinances in designated growth areas (effective July 1, 2026), mandatory allowances for minimum dwelling units per lot (at least four units in many growth-area scenarios), and expanded density and height allowances for developments designated as affordable.
Key details from the workshop: Perry reviewed a town table that cross-referenced whether parcels are in a growth area, and whether they have public sewer and water. Among the points discussed: - In growth areas served by public sewer and water, LD 1829 allows 4 dwelling units on a 5,000-square-foot lot; affordable housing can trigger larger bonuses and height exceptions (one story or 14 feet beyond local limits). - Off sewer and water but inside a growth area, the law permits smaller maximum density than some existing assumptions; Perry noted some initial confusion in the draft rules and said the town will seek clarification from the Maine Office of Community Affairs (MOCA). - The state increases the subdivision review trigger from three to five dwelling units, changing which projects require planning-board review. - ADU changes: the state removed owner-occupancy requirements; the first ADU does not count toward the lotdensity cap in many cases, meaning a lot could effectively contain the allowed multifamily units plus an ADU.
Perry walked the group through mapped scenarios (15-acre and 1-acre examples) showing how the same parcel could produce from a few dozen to several hundred housing units depending on sewer access, growth-area designation, and whether affordable-housing bonuses apply. She stressed that conservation-subdivision requirements (the townpreferred subdivision form that typically preserves 50% of a parcel as open space) will change how those units are arranged on the ground.
Public questions and staff recommendations: Residents and councilors pressed staff on several operational questions, including: how the 5,000-square-foot lot allowance will be administered (subdivision versus condominium ownership), how far sewer service must extend to make a lot eligible (town ordinance currently requires new subdivisions within 500 feet of sewer to connect), and whether conservation-subdivision rules will make buildable lots smaller while retaining the same number of dwelling units.
Perry said she will file comments on MOCAdraft rulemaking (open for comment through the end of the week) and recommended the town take a pragmatic approach: update ordinances now for items already required by state law, map growth-area boundaries as part of the ongoing comprehensive-plan update, and pilot zone changes in a single district (she suggested Office Commercial South) to learn how the new rules operate locally.
Next steps: Perry advised that rulemaking from MOCA is expected in January, and she recommended that the planning board and council revisit the townzoning chapters (notably Chapter 118 on growth permits and Chapter 315-52 on height/density) and use the comprehensive-plan process to refine growth-area boundaries and transition zones. She also flagged that affordable housing must be deed-restricted for a long-term period (generally 30 years under the state definition) to qualify for density bonuses.
Quotation: "We're allowed to have an ADU on a multiunit structure," Perry said, describing the broader ADU definition, and she added that "we might as well look at our ordinances and just get them up to date" for provisions already set by the state.
Speakers quoted or cited in this account appear in the meeting transcript and are limited to workshop participants listed in the public record.
