Calgary Residential Zoning Codes - abbreviations for Low, Medium, and High Density Districts |
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| RR-1 | Restricted Residential Single-Detached District (for very low density residential development in areas where compatability with special environmental characteristics is essential) |
| R-1 | Residential Single-Detached District (for residential development in the form of single-detached housing) |
| RS-1 RS-2 | Residential Small Lot District (for comprehensively-designed residential development in the form of single-detached or semi-detached dwellings on small lots) |
| R-1A | Residential Narrow Lot Single-Detached District (for residential development in the form of narrow lot single-detached housing) |
| R-2 | Residential Low Density District (for low density residential development in the form of single-detached, semi-detached and duplex dwellings) |
| R-2A | Residential Low Density District (for townhouse developments at a similar density to single, duplex and semi-detached dwellings in order to increase the variety of dwelling types) |
| RM-1 | Residential Low Density Multi-Dwelling District (for comprehensive townhouse developments, primarily within outer city areas) |
| RM-2 | Residential Low Density Multi-Dwelling District (mixture of low density family-oriented dwelling units in the inner city) |
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Calgary Residential Medium to High Density Zoning Codes
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| RM-3 | Residential Medium Density Multi-Dwelling District |
| RM-4 | Residential Medium Density Multi-Dwelling Districts
(also includes: RM-4/125, RM-4/100, RM-4/75) |
| RM-5 | Residential Medium Density Multi-Dwelling District |
| RM-6 | Residential High Density Multi-Dwelling District |
| RM-7 | Residential High Density Multi-Dwelling District |
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