Section X, R-N District
Dimensional standards
Height & bulk
Housing
- Two-family
- by_right
Servicing
- Applies near
- Forest Park, Druid Hills, Chatham Heights, Northside, West End
- Geographic extent
- Portions of Forest Park, Druid Hills, Chatham Heights, Northside, and West End neighborhoods; also subject to Entrance Corridor OverlayOverlay districtA second set of rules laid over the base district, adding requirements without replacing it. (EC-O) and Traditional Neighborhood Development OverlayOverlay districtA second set of rules laid over the base district, adding requirements without replacing it. (TND-O) where applicable.
Uses
Permitted by right10
- Accessory uses and structures
- Bed and breakfast home stay
- Churches and places of worship
- Community gardens
- Duplex residential unit (subject to residential lot development plan approval)
- Group homes (eight (8) or fewer residents)
- Home occupations
- Public parks, playgrounds, and open space
- Residential cluster development (limited to single family attached or detached dwellings)
- Single family detached dwellings
Conditional / special use20
- Accessory residential dwelling unit (ADU)
- Assisted living facilities
- Bed and breakfast inn
- Cemetery or mausoleum
- Commercial pool, tennis, or recreation facility
- Community recreation uses for subdivision residents
- Day care, for children
- Day care, for adults
- Golf course
- Group home (nine (9) or more residents)
- Library
- Multifamily dwelling in a cluster development or adaptive re-use
- Museums or historic site
- Nursing home
- Private club, lodge, or fraternal organization
- Public buildings, infrastructure, and other facilities
- Residential uses in accord with Table 10.1 (including multifamily and non-residential)
- Schools, colleges and academic institutions
- Temporary marketing offices for new residential development
- Waiver of minimum district size for cluster subdivisions
Accessory1
Extracted standards
20 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Density
- Maximum single-familySingle-family dwellingOne dwelling unit on its own lot, usually detached from its neighbours. dwellings per lot by rightBy rightPermitted outright: if the plans meet the written rules, permission cannot be withheld.1 dwelling
No more than one single family dwelling shall be permitted by-right per lot.
Design
- Maximum abutting dwellings with same facade3 dwellings
no more than three (3) abutting dwellings will have the same or essentially the same architectural treatment of facades and rooflines.
Height
- Institutional heightMaximum heightThe tallest a building may be, given in feet, in storeys, or both — whichever binds first. includes architectural features
The maximum allowable building height for institutional buildings in the R-N District shall include the height of cupolas, towers, and steeples.
Other
- ADUAccessory dwelling unit (ADU)A second, smaller home on a lot that already has one — a garage flat, basement flat or backyard cottage. maximum floor area1,000 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
The ground floor area of a freestanding accessory residential unit shall not exceed one thousand (1,000) square feet of lot coverage or thirty-three (33) percent of the lot coverage of the primary residential unit, whichever is less.
- Attached building minimum units2 units
A single-family attached buildings shall contain at least two (2) but no more than eight (8) side-by-side dwelling units.
- Cluster active recreation percentage25 pct
Twenty-five (25) percent of the required open space area shall be developed as active recreational space and active community open space
- Cluster minimum common open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted.20 pct
Twenty (20) percent of the gross site area of a cluster subdivision shall be common open space dedicated to common usage and ownership.
- Cluster open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted. contiguity
Required open space shall be contiguous and shall occupy a single parcel or lot within the subdivision
- Cluster open spaceOpen spaceLand a development must leave unbuilt, sometimes required to be usable or planted. floodplainFloodplainLand expected to flood at a stated frequency, where building carries extra conditions. maximum percentage33 pct
No more than thirty-three (33) percent of the required common open space in a cluster subdivision shall consist of land classified as one hundred-year floodplain, stream valleys, wetlands, water features, stormwater management and BMP facilities, adverse terrain and slopes greater than thirty (30) percent, and/or drainage easements.
- Cluster perimeter buffer required
A landscaped perimeter buffer shall be provided around a portion or all of the perimeter of a cluster development when the zoning administrator determines it is necessary
- Driveway separation60 ft
driveway entrances are separated by a horizontal distance equal to or greater than sixty (60) feet at the front property line
The outside edge of a driveway may be no closer than five (5) feet to any side yard property boundary.
- Equipment screening required
All exterior maintenance equipment, including HVAC equipment, electrical equipment, storage tanks, satellite dishes, and garbage dumpsters, shall be screened from off-site and on-site common area view
- Maximum restricted lot areaMinimum lot areaThe smallest parcel on which the district allows anything to be built. percentage20 pct
not greater than twenty (20) percent of the required minimum lot area for each lot is comprised of one or more of the following physical land units: slopes 30% or greater, stormwater facilities, wetlands, floodplains, transmission lines.
- Private well/septic prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance.
No private domestic well and septic systems shall be permitted on any lot approved after the date of adoption of this ordinance.
- Sidewalk design requirement
Sidewalks shall be designed to provide for interior circulation as well as access to existing external public rights-of-way.
Parking
- ADUAccessory dwelling unit (ADU)A second, smaller home on a lot that already has one — a garage flat, basement flat or backyard cottage. maximum additional parking spaces2 spaces
Parking for the accessory residential unit shall be in addition to the parking requirement for the primary residential unit, provided that parking shall be restricted to two (2) additional vehicles on a lot.
- RV parking prohibitedProhibitedNot allowed in the district at all, short of rezoning or a variance. in setbacksSetbackThe distance a building must be held back from a lot line.
Recreational vehicle parking shall not be permitted within front yard and side yard setbacks.
Setback
- Attached building setbackSetbackThe distance a building must be held back from a lot line. from parking/sidewalks10 ft
Single family attached dwellings shall maintain a minimum setback of ten (10) feet from on- or off-street parking areas, sidewalks, and pedestrian trails.
- Attached building setbackSetbackThe distance a building must be held back from a lot line. from private streets15 ft
Single-family attached buildings shall maintain a minimum setback of fifteen (15) feet of separation from private streets, alleys, travel aisles.
From the ordinance
The R-N, Neighborhood Residential District (formerly R-9) is intended to preserve and enhance existing medium density residential neighborhoods.
Parking requirements
{
"ADU": "2 additional vehicles (max)"
}