Dimensional standards
Lot
Height & bulk
Housing
- Two-family
- by_right
- Three-family
- by_right
- Four-plus family
- by_right
Servicing
- Geographic extent
- Planned neighborhood development on large tracts of land (minimum 25 contiguous acresacre43,560 square feet — about the size of an American football field without the end zones.) with unified site design
Uses
Permitted by right21
- Detached single-family dwellings
- Two-family dwellings (duplex)
- Multifamily dwellings (multiplex)
- Townhouses with a maximum of eight units per structure
- Accessory buildings or uses as defined in the master plan and covenants
- Recreation or park facilities
- Retirement living facilities (handicapped accessible)
- Municipal buildings or uses
- Public utilities: poles, lines, booster and relay stations, distribution transformers, pipes, meters and other facilities
- Home occupations as set forth in appendix A, section 202
- Public libraries
- Schools
- Churches
- Electronic occupations
- Child care facility (with density bonus)
- Community halls (with density bonus)
- Neighborhood-oriented commercial businesses (for PNDs 25 acres or more)
- Personal services (for PNDs 25 acres or more)
- Business or professional offices (for PNDs 25 acres or more)
- Neighborhood restaurants (for PNDs 25 acres or more)
- Banks, branch banks and financial institutions (for PNDs 25 acres or more)
Conditional / special use1
- Assisted living facility or other nursing home (by special use permit if proposed subsequent to approval)
Extracted standards
29 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Accessory structures
- AccessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure location
Accessory structures shall not be located within any front yard, side yard or within five feet of any other structure.
Density
- Base density from underlying districts
Base residential density per acre: R-1 (3 units), R-2 (4), R-3 (5), R-4 (6), R-5 (6), B-1 (4).
Height
- Maximum building heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.45 ft
No buildings being more than 45 feet in height.
Other
- Buffer width for commercial/institutional uses20 ft
Commercial, institutional, and community uses shall be screened from residential uses by a bufferyard 20 feet in width containing a minimum of three canopy trees, six understory trees, and nine shrubs per 100 feet of length.
- Commercial certificate of occupancy requirement50 pct
Commercial uses shall not receive a certificate of occupancy until building permits have been issued for 50 percent of the residential units.
- Conservation land allowance for open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted.50 pct
Conservation lands may be used to fulfill the minimum open space requirement up to a maximum of 50 percent of the total dedicated natural open space.
- Maximum slope for development40 pct
Lands with natural slope in excess of 40 percent shall not be developed and shall be designated for conservation.
- FloodplainFloodplainLand expected to flood at a stated frequency, where building carries extra conditions. conservation
Land within the 100-year flood plain shall not be developed and shall be designated for conservation.
- Ground floor living space required
Each separate dwelling unit shall have living space located on the ground floor of the structure.
- ImperviousImpervious coverageThe share of a lot covered by anything water cannot soak through — roofs, drives, patios. surface limit in open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted.5 pct
Impervious surfaces shall be excluded from open space calculation; however, bike paths, landscaped grounds, etc. may count if impervious surfaces constitute no more than 5 percent of the total required open space.
- Maximum commercial acreage for >75 acresacre43,560 square feet — about the size of an American football field without the end zones.7 pct
PNDs containing more than 75 acres may include a commercial area that shall not exceed seven percent of the total land area.
- Maximum commercial acreage for 25-75 acresacre43,560 square feet — about the size of an American football field without the end zones.5 pct
For PNDs with total land area of 25-75 acres, land dedicated to commercial uses shall not exceed five percent of the total acreage.
- Maximum commercial floor area per residential unit35 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000./unit
The total gross floor area of any one commercial category shall not exceed 35 square feet for each residential unit.
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. for spires, belfries, etc.60 ft
Church spires, belfries, cupolas, monuments, municipal water towers, chimneys, flues, flagpoles, television antennas and radio aerials subject to town council approval up to a maximum of 60 feet.
- Maximum multiplex units per structure4 units
The maximum number of dwelling units permitted within a multiplex structure shall be four.
- Maximum townhouseTownhouseA single-family home sharing side walls with its neighbours, each on its own lot. units per structure8 units
The maximum number of dwelling units permitted within a townhouse structure shall be eight.
- Minimum building separation20 ft
No structure under 30 feet in height shall be located within 20 feet of any other structure. Buildings higher than 30 feet shall be separated by an additional one foot of separation for each foot of increased height over 30 feet.
- Minimum contiguous acresacre43,560 square feet — about the size of an American football field without the end zones.25 acresacre43,560 square feet — about the size of an American football field without the end zones.
Planned neighborhood developments shall contain not less than 25 contiguous acres.
- Minimum dedicated natural open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted.25 pct
Planned neighborhood developments shall reserve a minimum of 25 percent of the total project area, not developed as single-family detached dwelling units having a minimum lot size of 10,000 square feet, as dedicated natural open space.
- Minimum multiplex unit size600 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
The minimum size of each individual unit shall be no less than 600 net square feet.
- Open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted. water allowance25 pct
Up to 25 percent of the open space requirement may be satisfied with land covered by water or stormwater detention/retention basins.
- Parking lot landscape island requirement15 spaces
No more than 15 spaces shall be laid out without an intermediate landscape island. Islands shall be not less than 10 feet wide and 20 feet long.
- Parking lot tree requirement10 spaces/tree
Parking areas shall be planted with trees a minimum of two inches in caliper, at least one tree per ten parking spaces.
- Underground utilities required
Utilities, such as electric transmission cable television lines, and telephone lines, serving the planned neighborhood subdivision shall be installed underground.
- Walkway width4 ft
Walkways of four feet in width, constructed of concrete, stone, brick or similar masonry material, shall be installed from parking areas to units.
Parking
- Parking spaces per unit2.5 spaces/unit
There shall be a minimum of two and one-half parking spaces for each townhouse unit and for each multiplex unit.
Setback
- Front yardYardThe open space left between a building and its lot line — the space a setback creates. requirement from R-1
The minimum front yard requirement of the R-1 zoning district shall apply for a minimum of 200 feet from the border of a PND and adjoining property sharing frontage.
- Perimeter boundary setbackSetbackThe distance a building must be held back from a lot line.55 ft
No portion of a building, structure, or parking area shall be located within 55 feet of abutting property not part of the PND unless similar uses.
- Perimeter setbackSetbackThe distance a building must be held back from a lot line. for nonresidential/multifamilyMultifamily dwellingA building of four or more dwelling units. Where zoning is most restrictive.100 ft
No portion of a nonresidential use, multifamily residential use, community use, institutional use or active recreational use shall be located within 100 feet of abutting property not part of the PND, unless abutting PND or B-1 (can reduce to 20 ft with screening).
From the ordinance
Planned neighborhood development (PND) zoning ordinance to allow planned neighborhood development on large tracts of land characterized by unified site design for a variety of housing types and densities.
Parking requirements
{
"multiplex": "2.5 spaces per unit",
"townhouse": "2.5 spaces per unit"
}