Portland City Code ch. 14

Citation: Portland City Code ch. 14
Parent Document: Portland City Code ch. 14
Jurisdiction: Portland (municipal)
Original Source: https://www.portlandmaine.gov/asset/ae8cabd1-66eb-4a1c-9224-92bbca5e792f ↗
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TABLE 7-E (CONT.): MIXED-USE ZONE DIMENSIONAL STANDARDS
                                                  B-1/B-1b                     B-2/B-2b/B-2c           B-3/B-3b/B-3c        B-4             B-5/B-5b           B-6                B-7
                                                                               45 ft., except
                                                  On-Peninsula:                50 ft. if first floor
                                                  45 ft., except 50 ft.        is in commercial
                                                  along Congress               use, 65 ft. in B-2                                           65 ft., except
                                                  Street if commercial         and B-2c on lots                                             in B-5b            65 ft. or as
                                                  first floor and              >5 ac. if required                                           along W.           otherwise
                                                                                                       See
                                                  residential above2           side and rear                                                Commercial         governed           See Bayside
                                                                                                       Downtown
                                                                               setbacks are                                                 St. south of       by the B-6         Height
                Structure height (max.)                                                                and Bayside          65 ft.
                                                                               increased by 1                                               Danforth St.5      Building           Overlay
                                                                                                       Height
                                                                               foot for each                                                and 120 ft.        Height             Map
                                                                                                       Overlay Maps
                                                                               foot of height                                               on                 Overlay
                                                                               over 45 ft., or as                                           Thompson's         Map
                                                  Off-Peninsula: 35 ft.        otherwise                                                    Point6
                                                                               governed by the
                                                                               Bayside Height
                                                                               Overlay Map
                                                                                                       25% of lot
                                                                                                       area for
                             Lot coverage                                                              portions of
                                    (max.)                                                             structures
                                                                                                       exceeding 125
                                                                                                       ft. in height4
                                                                               Residential: None
                                                                               Other uses in B-2
      Impervious surface ratio (max.)             90%                          and B-2c: 80%                                80%
                                                                               Other uses in B-2b:
                                                                               90%
  Uses in structures which existed prior to the date of enactment of the B-1/B-1b zones are exempt.
  The commercial first floor uses shall utilize at least 75 % of the first-floor frontage along Congress Street and shall have an average depth of at least 20 ft.
  A building will be determined to have an active street frontage upon meeting the following guidelines to the greatest extent practicable: the primary building façade shall be within 10
ft. feet of the front lot line; there shall be no parking on the lot within 35 ft. of the front lot line; no more than 25% of the first floor primary façade shall consist of access to garages,
unutilized space, service entrances, storage or mechanicals and the remaining minimum 75% shall have an average depth of a minimum of 20 ft. for residential or commercial uses; and
all primary ground floor entries to multi-family buildings must orient to street, not to interior blocks or parking lots.
  Except that no floor area shall be required to be less than 10,500 SF, gross.
  For parcels of land in the B-5b zone located along W. Commercial St. south of Danforth St.: West of the projection of the centerline of the Fletcher St. right-of-way, the maximum
building height shall be 45 ft.; and, east of the projection of the centerline of the Fletcher St. right-of-way and west of the projection of the centerline of the Emery St. right-of-way, the
maximum building height shall be 55 ft. A projection of the centerline of a street is defined by extending the centerline of the referenced street right-of-way along its most southerly
block to the centerline of W. Commercial St. Furthermore, notwithstanding Subsection 7.5.1, no rooftop structure located between the projections of the centerlines of Emery St. and
Fletcher St., as described above. shall exceed a height of 62 ft as measured from average grade of the building at its foundation.
  Applies only to parcels subject to an approved master development plan. Thompson’s Point is defined as the contiguous parcels of upland occupying the peninsula bounded on the
east by Route 295, on the north by the Mountain Division Rail right-of-way, and on the south and west by the Fore River and its associated wetlands. Nearby lands accessed from
Hobart and Osgood Streets are not included.
   Does not apply to parking garages and public transportation facilities. Notwithstanding required setbacks, new structures located in the blocks located south of Fore Street and
north of Commercial Street and its extension shall build to the key building envelopes shown on the B6 Building Height Overlay & Building Envelopes map. Buildings located in the area
east of the Fore Street Connector shall not have a maximum front setback and shall not be required to build to the key building envelope perimeter. Parking structures and the
buildings for public transportation facilities may, however, be set back beyond the key building envelopes (toward the interior of blocks), but may not occupy the land between the key
building envelope and the street right-of-way.
  For buildings fronting on two or more streets, the minimum building wall on one street may be decreased so long as the frontage is proportionally increased on other streets in so far
that the building wall on the secondary street is not reduced to less than 25 ft. Buildings in the area east of the Fore Street Connector shall not be subject to this requirement.
  Does not apply to additions to or relocations of designated historic structures or structures determined to be eligible by the Historic Preservation Board. CITY OF PORTLAND LAND USE CODE | 7-9 DIMENSIONAL STANDARDS
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