Summary of RS & RT Zones
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Residential Zone Comparison
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Maximum DwellingsFloor Space RatioExternal DesignIntentExample Neighbourhoods
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RS-13 0.60 (up to 0.70)ONE front facing entrysingle-family residential character. Neighbourly development by preserving outdoor space and views. Maintenance of healthy trees & planting.https://mountainmath.ca/map/assessment?filter=[zoneE_RS-1]&layer=14
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RS-1A30.6nasingle-family residential character.https://mountainmath.ca/map/assessment?filter=[zoneE_RS-1A]&layer=14
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RS-1B3 0.60 (up to 0.70)nasingle-family residential character. Permit a second one-family dwelling on some sites.https://mountainmath.ca/map/assessment?filter=[zoneE_RS-1B]&layer=14
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RS-23 0.60 (up to 0.75)nasingle-family residential character. Conversion of large homes to contain additional accommodation. Some two-family and multiple-family dwellings.https://mountainmath.ca/map/assessment?filter=[zoneE_RS-2]&layer=14
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RS-330.20 Plus 130 smONE front facing entrysingle-family residential character. Encourage new development that is similar in character to existing development. Neighbourly development by preserving outdoor space and views and by ensuring that the bulk and size of new development is similar to existing development.https://mountainmath.ca/map/assessment?filter=[zoneE_RS-3]&layer=14
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RS-3A30.20 Plus 130 smONE front facing entrysingle-family residential character. Encourage new development that is similar in character to existing development. Neighbourly development by preserving outdoor space and views and by ensuring that the bulk and size of new development is similar to existing development.https://mountainmath.ca/map/assessment?filter=[zoneE_RS-3A]&layer=14
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RS-43 67 upHa (27 upa) 0.60 (up to 0.75)nasingle-family residential character. Accommodate retention of an existing residential buildinghttps://mountainmath.ca/map/assessment?filter=[zoneE_RS-4]&layer=14
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RS-53 0.60 (up to 0.70)ONE front facing entrysingle-family residential character. Encouraging new development that is compatible with the form and design of existing development. Encouraging the retention and renovation of existing development. Design compatibility with the established streetscape. Maintenance of healthy trees & planting.https://mountainmath.ca/map/assessment?filter=[zoneE_RS-5]&layer=14
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RS-63 0.60 (up to 0.64)ONE front facing entrysingle-family residential character. Encourage a high standard of building design, materials, and landscape. Encourage retention of existing housing stock. Maintenance of healthy trees and planting which reflects the established landscape.https://mountainmath.ca/map/assessment?filter=[zoneE_RS-6]&layer=14
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RS-73 0.60 (up to 0.70)ONE front facing entry on lots less than 668sm (7190sf)single-family residential character. On larger lots, to conditionally permit multiple dwellings and infill. External design regulations.https://mountainmath.ca/map/assessment?filter=[zoneE_RS-7]&layer=14
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RT-12 side-by-side0.6napermit side-by-side two family dwellingshttps://mountainmath.ca/map/assessment?filter=[zoneE_RT-1]&layer=14
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RT-22 plus 0.60 (multi 0.75 )napermit 2 family & multifamily dwellinghttps://mountainmath.ca/map/assessment?filter=[zone_RT-2]&layer=14
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RT-32 plus0.60 (or up to 0.75 & 0.95)Severalretention of neighbourhood & streetscape character, redevelopment encouraged where existing style & form are inconsistent with pre-1920 architecture, encourage preservation of historic character, floor area incentives to achieve affordable housing & neighbourhood’s characterhttps://mountainmath.ca/map/assessment?filter=[zone_RT-3]&layer=14
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RT-42 plus0.6naencourage retention of existing residential, maintain a family emphasis, emphasis on external design being compatible with historical character of the area, and on being neighbourly in scale and placementhttps://mountainmath.ca/map/assessment?filter=[zone_RT-4]&layer=14
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RT-52 plus 0.60 (multi 0.75 )naencourage the retention of existing residential, emphasis on external design being compatible with historical character of the area, and on being neighbourly in scale and placementhttps://mountainmath.ca/map/assessment?filter=[zone_RT-5]&layer=14
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RT-62 plus0.60 (or up to 0.75)Severalencourage retention, renovation and restoration of existing residential with architectural style and building form consistent with the area, encourage redevelopment on sites with smaller buildings or buildings of architectural style and form which are inconsistent with the area, require external design to follow proportions, rhythm and details of architectural features of the areahttps://mountainmath.ca/map/assessment?filter=[zone_RT-6]&layer=14
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RT-72 plus0.40 (or up to 0.60 & more)light well permitted in front or rear yardencourage retention and renovation of existing which maintain an architectural style and building form consistent with historical character of the area, encourage redevelopment where existing buildings are smaller, or do not contribute to this character, emphasis is placed on maintaining existing external architectural character, on compatibility in external character, neighbourly building scale and placementhttps://mountainmath.ca/map/assessment?filter=[zone_RT-7]&layer=14
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RT-82 plus up to 62 units/hectare0.50 (or up to 0.75 & more)light well permitted in front or rear yardencourage retention and renovation of existing which maintain an architectural style and building form consistent with historical character of the area, encourage redevelopment on sites where existing buildings are smaller, or do not contribute to this character, emphasis is placed on compatibility of architectural character, neighbourly building scale and placementhttps://mountainmath.ca/map/assessment?filter=[zone_RT-8]&layer=14
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RT-92 plus up to 74 units/hectare0.60 (or up to 0.75 & more)naencourage diversity of character and neighbourly building scale and placement, retention and renovation of existing permitted if historical or architectural merithttps://mountainmath.ca/map/assessment?filter=[zone_RT-9]&layer=14
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RT-102 plus complicated0.40 (or up to 0.80)light well permittedencourage multiple small houses and duplexes on large lots and assembled sites, permit lower intensity development on smaller sites, siting and massing to be compatible with, but not same as, pre-existing single family, encourage retention of older character buildings, encourage high quality architectural designhttps://mountainmath.ca/map/assessment?filter=[zone_RT-10]&layer=14
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RT-115 up to 74 upHa on sites of 511sm (5500sf) & 18.3m (60') frontage plus complicated0.60 (or up to 0.75, 0.85, or 0.90) complicated2 front doors, porch, roof, windows encourage multiple small houses and duplexes on larger lots and assembled sites, permit lower intensity development on smaller sites, siting and massing to be compatible with, but not same as, pre-existing single family, laneway houses, secondary suites, and lock-off units are permitted, retention of character buildings and high quality architectural designhttps://mountainmath.ca/map/assessment?filter=[zone_RT-11]&layer=14
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RM-1up to 86 upHa for ≤1.0 FSR, up to 98 upHa for >1.0 FSR0.40 (or up to 0.60, 0.65, or 1.2)horizontal angle of daylight, light well permittedencourage development of courtyard rowhouses on larger sites, permit lower intensity development on smaller sites, siting and massing to be compatible with, but not the same as, pre-existing single family development, high quality architectural designhttps://mountainmath.ca/map/assessment?filter=[zoneE_RM-1]&layer=14
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RM-2na, rate of change0.60 (or up to 0.75 before it gets really complicated)horizontal angle of daylightpermit low to medium density residential, including low-rise apartments, secure a higher quality of parking, open space and daylight access, floor area bonus incentiveshttps://mountainmath.ca/map/assessment?filter=[zone_RM-2]&layer=14
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RM-3na0.60 (or up to 1.00 before it gets really complicated)horizontal angle of daylight, vertical angle of daylightpermit medium density residential, including high-rise apartments, secure a higher quality of parking, open space and daylight access, floor area bonus incentiveshttps://mountainmath.ca/map/assessment?filter=[zoneE_RM-3]&layer=14
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RM-3Ana0.60 (or up to 1.00 before it gets really complicated)horizontal angle of daylightpermit medium density residential, including low-rise apartments, secure higher quality of parking, open space and daylight access, floor area bonus incentiveshttps://mountainmath.ca/map/assessment?filter=[zoneE_RM-3A]&layer=14
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RM-4na0.60 (or up to 0.75 & 1.45)horizontal angle of daylightpermit medium density residential, variety of multiple dwelling types, retention of existing & good design, community and social objectives through floor area increaseshttps://mountainmath.ca/map/assessment?filter=[zone_RM-$]&layer=14
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RM-5na1.0 (or 1.5 RM-5, 2.20 RM-5A, 2.75 RM-5B, 2.20 RM-5C, 2.20 RM-5D) then complicatedhorizontal angle of daylightpermit variety of residential and some retail, office, service and institutional, compatible with neighbouring development streetscape character, open spaces, view retention, sunlight access and privacy. RM-5A, RM-5B, RM-5C and RM-5D = greater densities than RM-5.https://mountainmath.ca/map/assessment?filter=[zone_RM-5]&layer=14
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RM-6na1.00 (or up to 2.50)horizontal angle of daylight plus otherspermit high density residential and some retail, cultural, recreational, service and institutional uses, recognizes formal character of Georgia Street, compatible with West End residential character along Alberni Streethttps://mountainmath.ca/map/assessment?filter=[zone_RM-6]&layer=14
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RM-7up to 100 upHa for ≤0.9 FSR, up to 132 upHa for >0.9 FSR0.60 (or up to 0.75, 0.85, 0.90, or 1.20) complicatedhorizontal angle of daylight plus othersencourage ground-oriented stacked townhouses or rowhouses, permit lower intensity development, siting and intended to be compatible with, but not the same as, pre-existing single family, secondary suites and lock-off units are permitted, retention of character buildings, high quality design and livability standardshttps://mountainmath.ca/map/assessment?filter=[zone_RM-7]&layer=14
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RM-8up to 100 upHa for ≤0.9 FSR, up to 132 upHa for >0.9 FSR0.90 or 1.20 based on lot size & CACshorizontal angle of daylight plus othersencourage ground-oriented stacked townhouses or rowhouses, including courtyard rowhouses, while continuing to permit lower intensity development, siting and massing intended to be compatible with, but not the same as, pre-existing single family, secondary suites and lock-off units are permitted, within limits, retention of character buildings, high quality design and liveability standardshttps://mountainmath.ca/map/assessment?filter=[zone_RM-8]&layer=14
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RM-9permit medium density residential development, high standard of liveability, variety of dwelling unit sizes, including for families with children, secondary suites and lock-off units are permitted, high quality design and good neighbourhood fit, RM-9 includes low-rise apartments, ground-oriented stacked townhouses, and rowhouses, including courtyard and freehold rowhouses, RM-9A emphasis is on 4-storey low-rise apartments, with stacked townhouses limited to exceptionally deep lotshttps://mountainmath.ca/map/assessment?filter=[zone_RM-9]&layer=14
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FM-1https://mountainmath.ca/map/assessment?filter=[zone_FM-1]&layer=14
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Sheet 1 - Residential Zone Comp