Zoning District
|
Minimum Lot Size
(square feet)
|
Front Setback
(feet)
|
Rear Setback
(feet)
|
Side Setbacks
(feet)
|
Max. % Lot Coverage
| |
---|---|---|---|---|---|---|
R-20
|
17,000
|
30'
|
30'
|
15'
|
20%
| |
R-30
|
17,000
|
30'
|
30'
|
20'
|
20%
| |
R-40
|
17,000
|
30'
|
30'
|
20'
|
20%
| |
R-60
|
25,000
|
30'
|
50'
|
50'
|
10%
|
Note: All setbacks above are the same
as the base zoning district in which the parcel is located.
|
Zone
|
% of Developable Land which
must be Open Space
| |
---|---|---|
R-20
|
10%
| |
R-30
|
25%
| |
R-40
|
35%
| |
R-60
|
45%
|
The purpose of this section is to provide a
procedure for the evaluation and approval of integrated developments
focused on planned employment uses, including industrial, light industrial,
office and research and development uses, retail/service developments,
marina and resort-style development, and addressing the particular
needs of marine trade uses.
| |||
The regulations are intended to foster developments
which are compatible with surrounding areas and which incorporate
buffers or transition areas to reduce potential negative impacts on
single family residential areas. The regulations are intended to encourage
a mixture of compatible uses to create a sustainable and attractive
environment for a wide variety of trades and businesses. The regulations
are intended to be flexible, to allow for innovative design techniques,
accommodate unique land uses and encourage creative approaches to
development issues.
| |||
A coordinated design approach with an emphasis
on compatibility with the natural environment and surrounding land
uses and the allowance of a sufficient mix of uses and accessory uses
to create a self-contained or self-sustained development park is encouraged.
Planning of a project and calculation of densities over the entire
project rather than on an individual lot-by-lot basis is permitted.
A coordinated design approach should:
[Amended 2-4-2008[3]] | |||
•
|
Break up the apparent mass and scale of large
structures, as well as large paved areas, in order to ensure that
such development is compatible with and does not detract from Portsmouth's
character, scale, and sense of place;
| ||
•
|
Help integrate large-scale development with
its surroundings;
| ||
•
|
Promote and facilitate a safe and comfortable
pedestrian scale environment;
| ||
•
|
Encourage a mixture of uses and sizes of structures;
and
| ||
•
|
Reduce the visual impact of large areas of parking.
| ||
The regulations are intended to be flexible,
to allow for innovative design techniques, accommodate unique land
uses and encourage creative approaches to development issues. It is
anticipated that public officials will have considerable involvement
in determining the nature of the development through the development
plan review process which will include consideration and application
of aspects of both subdivision and zoning regulations.
[Added 2-4-2008] | |||
Where the requirements of any part of this section
may conflict with any other section, this section shall prevail.
[Added 2-4-2008] |
Min. lot size
|
Min. frontage*
|
Min. front setback
|
Min. side setback
|
Min. rear setback
|
Max. Lot/ Bldg coverage
|
Max. Bldg. height
| |
---|---|---|---|---|---|---|---|
PID
|
40,000
|
200
|
60
|
30
|
50
|
40%
|
40'**
|
PCD
|
40,000
|
200
|
50
|
30
|
50
|
40%
|
40'**
|
PMTD
|
30,000
|
110
|
30
|
20
|
30
|
40%
|
40'**
|
PMVD
|
20,000
|
110
|
30
|
15
|
20
|
50%
|
40'***
|
PRD
|
20,000
|
110
|
30
|
15
|
20
|
50%
|
40'
|
PRSD
|
20,000
|
110
|
30
|
25
|
30
|
25%
|
35'
|
PRSD in TC zone
[Added 2-4-2008] |
20,000
|
110'
|
5'
|
15'
|
20'
|
35%
|
35'
|
Maximum Building, parking and travelway
coverage: seventy percent (70%) eighty-five percent (85%) in the Town
Center District (same as Special Use Permit)
[Added 2-4-2008] |
*
|
Frontage may be on private streets approved
pursuant to section 6.B.1)(e) hereof. Frontage on any street may be
waived in its entirety in special circumstances in which provision
of such frontage would result in an inefficient use of land or development
resources without countervailing benefit to the public or development
and adequate vehicular and pedestrian circulation, off street parking
and loading and perpetual routine and emergency access are provided.
| |
**
|
In Planned Marine Trade Developments, if the
applicant demonstrates a functional need for additional height the
maximum height limit shall be sixty feet (60'). Notwithstanding that
provision however, in all districts the maximum height limit for any
structure containing a residential dwelling unit shall be thirty-five
feet (35').
| |
***
|
In Planned Marina Village Developments
[Added 9-19-2006] | |
In order to encourage smart growth and sustainable
development patterns integrating architectural and design interest
in Planned Marina Village Developments, the maximum height of residential
or mixed use structures may be increased to sixty feet (60') to include
a maximum of four (4) stories of residential and/or commercial use
plus one (1) story of parking, provided that the following objectives
as defined in the Portsmouth Comprehensive Community Plan, West Side
element are met:
| ||
•
|
Connectivity with transit and alternate transportation
modes;
| |
•
|
Mixed Use Development;
| |
•
|
Maximize preservation of coastal vistas and
open space areas;
| |
•
|
Maximize public recreation and coastal access
| |
•
|
At least ten percent (10%) affordable Low and
Moderate Income Housing is provided per the provisions of Section
D.4.f) above.
| |
•
|
Shared Use Parking;
| |
•
|
Public infrastructure improvements;
| |
•
|
Remediation and reuse/redevelopment of former
underutilized and/or environmentally challenged sites.
| |
In Planned Marine Trade Developments and Planned
Retail/Service Developments (amended 2003-07-14) the minimum developable
land area per unit for multi family housing shall be:
|
Served by onsite sewer system effluent discharged
into an on site absorption field
|
Served by sewer system plant or public sewer
system with effluent discharged into an off-site absorption field
| ||
---|---|---|---|
1 bedroom**
|
10,000 square feet
|
7,500 square feet
| |
2 bedroom**
|
16,000 square feet
|
11,000 square feet
| |
3 bedroom**
|
20,000 square feet
|
15,000 square feet
| |
Each additional bedroom**
|
6,000 square feet
|
4,000 square feet
|
**
|
Any room in excess of sixty-nine square feet
(69 ft.2), such as a den, playroom, study,
library, etc. is to be considered a bedroom for the purposes of this
section
| |
In Planned Marina Village Developments (PMVD)
the minimum developable land area per residential units shall be thirty
(30) units per acre.
[Added 9-19-2006] | ||
In Planned Resort Developments (PRD) the minimum
developable land area per residential unit shall be two (2) units
per acre.
[Added 9-19-2006] |
*Shown for reference purposes:
| |
PID = Planned Industrial Development
| |
PCD = Planned Corporate Development
| |
PMTD = Planned Marine Trade Development
| |
PMVD = Planned Marina Village Development
| |
PRD = Planned Resort Development
| |
PRSD = Planned Retail/Service Development
| |
PRSD in Town Center Zone corrects an
earlier omission.
|
•
|
Provide pervious parking stall surfaces
| |
•
|
Provide pervious overflow parking
| |
•
|
Provide pervious snow-storage space
| |
•
|
Conserve existing natural areas, including trees
on-site
| |
•
|
Minimize clearing to the extent practicable
while retaining access, sight distances, and safe vehicle flows.
|
Minimum side and rear building setbacks for
a Planned Retail/Service Development not in the Town Center Zone may
be increased by the Planning Board for developments that abut residential
zones and contain any building greater than twenty-five thousand SF
(25,000 ft.2) gross area. Increase in such
setbacks shall be intended to mitigate negative impacts on abutting
properties, and shall be based upon:
[Added 2-4-2008] | ||
1.
|
Size and intensity of proposed use;
| |
2.
|
Relative topography of the proposed development
to adjacent residential development;
| |
3.
|
Placement of parking, loading and service areas;
| |
4.
|
Landscaped and/or solid screening.
In no case may the minimum distance between any principal building in a PUD and the nearest lot line of an adjacent parcel outside the PUD and located in a residential district, be less than the rear yard setback required in Article IV. for the respective, adjacent residential district.
|
At the conclusion of said hearings, the Board
may approve said application, deny the application, approve the application
in part and deny the application in part or approve it with modifications
and/or subject to conditions and restrictions. In the course of granting
any approval, the Board shall have the power to restrict or limit
the potential uses of land within the development which the application
designates as reserved for future development.
|
The Board shall approve a planned unit development
as defined herein if, after the review provided for herein, it finds:
|
Within sixty (60) days of approval by the Planning
Board, or such further time as granted by the Planning Board, the
parties shall enter into a Development Agreement which shall include
agreements on phasing of the development and/or major portions of
the development, including any provisions, as applicable, whereby
Applicant agrees to provide certain benefits within the development
or off-site that contribute to public infrastructure beyond those
needed for the development, public capital facilities, land dedication
and/or preservation, affordable housing, community or recreational
facilities, or any other benefit intended to serve the proposed development
or the Town.
|
Development agreements shall be issued in a
form suitable for recording in the Portsmouth Land Evidence Records
and, upon approval of the Town Solicitor and the Planning Board, shall
record the development agreement therein. The applicant shall bear
the expense of recording.
|
Said Development Agreement may, at the option
of the Planning Board, grant to the Town the right of self-help for
the Town to complete public infrastructure and/or other agreed upon
improvements on or off-site that are designed to protect adjacent
properties, mitigate traffic, or provide other public benefit or protections,
together with lien rights as provided under RIGL Chapter 34-28 with
respect to all work or improvements performed by or on behalf of the
Town. The Planning Board may also require the Applicant to provide
the Town with a surety bond, irrevocable letter of credit, escrow
account or other security in the form and amount the Planning Board
deems necessary to guarantee the full performance of the Applicant's
obligations under the Development Agreement.
[Added 2-4-2008] |