Portland Land Use Code

Citation: Portland Land Use Code 7.
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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7.4 ALTERNATIVE RESIDENTIAL frontage on a street, private way, or
DEVELOPMENT OPTIONS common open space within the
The following alternative residential development development.
options are available within certain zones as b. The maximum number of lots
indicated. These alternative residential development permitted within a conservation
options are intended to provide creative development shall be determined by
opportunities for residential development by the total acreage of the site divided by
modifying standards within certain zones to allow the applicable minimum residential lot
for a variety of densities and site designs. Alternative area requirement of the underlying
residential development options may not be zone.
combined. c. All lots within the conservation
residential development shall meet
7.4.1 Conservation residential development the dimensional requirements of the
A. A conservation residential development underlying zone with the exception of
permits a reduction in minimum lot area in the following:
exchange for provision of common open space, i. Minimum lot area and street
allowing for the efficient use of land and frontage may be reduced by no
preservation of Portland’s natural resources. more than 50%.
B. Conservation residential development is ii. Maximum lot coverage and
permitted in the RN-1, IR-1, and IR-2 zones. minimum landscaped open space
C. A conservation residential development shall be ratio requirements do not apply to
a minimum of two acres in area. lots of 5,000 square feet or less in
D. A conservation residential development shall be lot area.
designed to prioritize the preservation of iii. A minimum side setback of five
important natural features such as streams, feet applies to all lots within a
wetlands, stands of mature trees, and critical conservation residential
wildlife habitats. Development shall minimize development unless otherwise
impacts on the natural environment by specified below.
carefully laying out structures, streets, and iv. A minimum corner side setback of
other infrastructure, including buffer zones to ten feet applies to all corner lots
protect and connect existing natural areas on within a conservation residential
site. development unless otherwise
E. Development standards specified below.
1. Site layout v. Front and rear setbacks may be
a. All lots within a conservation reduced by 50% for all lots within
residential development shall have the conservation residential 7-14 | CITY OF PORTLAND LAND USE CODE DIMENSIONAL STANDARDS

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