Portland Land Use Code

Citation: Portland Land Use Code
Parent Document: Portland Land Use Code
Jurisdiction: Portland (municipal)
Original Source: https://www.portlandmaine.gov/asset/a5dcd1dc-4117-40b3-b3da-74a56919e14b ↗
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TABLE 7-A (CONT.): RESIDENTIAL NEIGHBORHOOD ZONE DIMENSIONAL STANDARDS
                                     RN-1         RN-2     RN-3     RN-4                    RN-5      RN-6
                                                                    35 ft., except 45 ft.
                                                                    for buildings with 3
                                                                    or more dwelling                  65 ft., except
          Structure height (max.)                                   units. In all cases,              45 ft. within 15
(Unless otherwise governed by the                                   height shall be                   ft. of an RN-1,
                                     35 ft.       35 ft.   35 ft.                           55 ft.
City of Portland Height Map or the                                  limited to 35 ft.                 RN-2, RN-3,
 Fort Sumner Park Height Overlay)                                   within 15 ft. of a                RN-4, OS-R, or
                                                                    rear lot line when                OS-P zone
                                                                    abutting an RN-1,
                                                                    RN-2, or RN-3 zone
  Detached accessory structure
                                     18 ft.       18 ft.   18 ft.   18 ft.                  18 ft.    18 ft.
                 height (max.)
           Building length (max.)
    (Multi-family + Nonresidential   --           --       --       70 ft.                  180 ft.   --
                            uses)
                      Residential
                                     60%          60%      60%      60%                     60%       100%
 Lot coverage                uses
        (max.) Nonresidential
                                     35%          50%      50%      60%                     50%       100%
                             uses
  Landscaped          Residential
                                     30%          30%      30%      20%                     30%       --
   open space                uses
         ratio Nonresidential
                                     50%          30%      30%      20%                     30%       --
        (min.)               uses
                                                                                                      9 ft. or 30% of
                                                                    9 ft. or 30% of the               the front
                                                                    front façade,                     façade,
    Width of garage opening on                                      whichever is                      whichever is
                                                  --       --                               --
            front façade (max.)                                     greater, however                  greater,
                                                                    in no case more                   however in no
                                                                    than 20 ft.                       case more
                                                                                                      than 20 ft. 7-8 | CITY OF PORTLAND LAND USE CODE DIMENSIONAL STANDARDS
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