Lyman, Maine

Lyman, ME Accessory Dwelling Unit (ADU) Rules

City Acceptance Rating: 9/10

Last Updated: 9.5.2024

Image Source: Town of Lyman

What You Need To Know

Lyman, Maine allows ADU’s on all single family home lots.

Type of ADU Permit Required

No permit needed if the following conditions are met.

ADU Rules

  • Only one ADU is permitted per lot.

  • The lot meets all the current dimensional requirements.

  • The ADU shall not exceed six hundred (600) square feet.

  • The ADU shall be located either in the same building or an accessory building to the principal structure. If the accessory dwelling unit is located in the basement of a single family dwelling it must meet egress standards of the NFPA Life Safety Code #101 as well as all other required codes and standards.

  • Must maintain the exterior appearance of a single family home.

  • The unit must comply with all applicable building codes and expansion criteria of the Maine State Subsurface Wastewater Rules.

  • Driveways longer than two hundred (200) feet must provide an adequate emergency vehicle turnaround.

  • On street parking will not be permitted. Additional parking and turnaround space must be provided if needed.

Resources:

https://lyman-me.gov/wp-content/uploads/2021/02/TOL-Zoning_Ord_-amended_-071420.pdf - page 47 of PDF

Attached ADU, Convert Existing Space, Detached ADUChris LeeMaine, Lyman, Friendliness Score: 9/10, Southern Maine