Sec. 90-591 through 90-600
Dimensional standards
Uses
Permitted by right11
Conditional / special use4
Extracted standards
19 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- AccessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. buildings shall be less than main building heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first.
All accessory buildings shall be less than the main building on the lot in height.
- Maximum number of abutting townhousesTownhouseA single-family home sharing side walls with its neighbours, each on its own lot. with same front setbackSetbackThe distance a building must be held back from a lot line.3 units
Townhouses in a group shall have varied front setbacks so that no more than three abutting townhouses have the same front yard setback.
- Maximum accessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. on townhouseTownhouseA single-family home sharing side walls with its neighbours, each on its own lot. lots15 ft
Accessory buildings on townhouse lots shall not exceed 15 feet in height.
- Maximum accessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure size on townhouseTownhouseA single-family home sharing side walls with its neighbours, each on its own lot. lots100 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Accessory structures on townhouse lots shall be permitted only in rear yard areas and shall be no larger than ten feet by ten feet in area.
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. with increased side yards45 ft
The height limit for a group of townhouses may be increased up to a limit of 45 feet and three stories, provided that there are two side yards for each townhouse structure, with one foot or more of additional side yard added to each side yard for each additional foot of building height over 35 feet.
- Maximum parapet wall heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. above building4 ft
Parapet walls may be up to four feet above the height of the building on which the walls rest.
- Maximum heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. for public or semipublic buildings60 ft
A public or semipublic building such as a school, church, library or hospital may be erected to a height of 60 feet from grade, provided that the required front, side and rear yards shall be increased one foot for each foot in height over 35 feet.
- Maximum number of attached units in a group8 units
Townhouses shall be constructed in a group of at least three and no more than eight attached units.
- Minimum accessoryAccessory useA secondary activity customarily incidental to the main use of the lot — a garage, a home office. structure setbackSetbackThe distance a building must be held back from a lot line. from property line5 ft
No accessory structure may be closer than five feet to any property line
- Minimum separation between townhouseTownhouseA single-family home sharing side walls with its neighbours, each on its own lot. buildings30 ft
The minimum separation between any building containing a group of five or more townhouse units and any other townhouse building shall be 30 feet.
- Minimum common area as percentage of subdivision acreage30 pct
A common area shall be provided, equivalent to at least 30 percent of subdivision acreage.
- Minimum common area width5 ft
Common areas shall be at least five feet in width, with reasonable exceptions allowed by the subdivision agent.
- Minimum total acreage of development10 acresacre43,560 square feet — about the size of an American football field without the end zones.
Minimum total acreage of development zoned R-TH including lots for principal uses and common areas: ten acres.
- Minimum recreational area as percentage of subdivision acreage10 pct
Within required common areas, a minimum of ten percent of the subdivision acreage, but in no case less than one and one-half acres, shall be provided for recreational facilities
- Minimum number of townhouseTownhouseA single-family home sharing side walls with its neighbours, each on its own lot. units per development24 units
Developments shall consist of at least 24 townhouse units.
- Minimum number of attached units in a group3 units
Townhouses shall be constructed in a group of at least three and no more than eight attached units.
Parking
- Limit on imperviousImpervious coverageThe share of a lot covered by anything water cannot soak through — roofs, drives, patios. surface for parking1 yards
Only one yard, either the front yard or the rear yard, or in the case of an end unit, the side yard, may be improved with a driveway or other impermeable surface intended for parking
- Prohibition of common parking in front yardYardThe open space left between a building and its lot line — the space a setback creates.
No common parking area shall be permitted within the minimum required front yard setback area.
Signage
- Sign setbackSetbackThe distance a building must be held back from a lot line. from property line0 ft
Signs advertising the sale or rental of property may be erected up to the property line.
From the ordinance
R-TH residential townhouse district... minimum lot area shall be 1,500 square feet for an internal lot... Minimum frontage for a townhouse lot: 20 feet... Buildings... up to 35 feet in height...