20 Walnut St Columbia, PA 17512-1198

C Conservation District: To provide for development at very low intensity in areas that are not naturally suited for development because of steep slopes, flood-proneness, limited road access or similar characteristics. (3) RR Rural Residential District: To primarily provide for development of single-family detached houses at low densities of approximately two homes per acre. To carefully control conversions of existing homes into additional numbers of units to promote neighborhood stability. To protect neighborhoods against incompatible nonresidential development. (4) LDR Low Density Residential District: To primarily provide for development of single-family detached houses at approximately four homes per acre. To carefully control conversions of existing homes into additional numbers of units to promote neighborhood stability. To protect neighborhoods against incompatible nonresidential development. (5) MDR Medium Density Residential District: To primarily provide for development of single-family detached, twin and townhouse dwellings in a traditional setting at medium densities. To offer opportunities for higher densities if an exceptionally high-quality design is proposed that would be highly compatible with nearby homes. To carefully control conversions of existing homes into additional numbers of units to promote neighborhood stability. To protect neighborhoods against incompatible nonresidential development. To extend the best features of older development into newer development. (6) HDR High Density Residential District: To primarily provide for single-family detached, twin and townhouse dwellings in a traditional setting at moderately high densities. To offer opportunities for higher densities if an exceptionally high-quality design is proposed that would be highly compatible with nearby homes. To carefully control conversions of existing homes into additional numbers of units to promote neighborhood stability. To protect neighborhoods against incompatible nonresidential development. To extend the best features of older development into newer development. (7) HDRM High Density Residential - Multifamily District: To provide for a range of housing types at moderately high densities, including contemporary apartment development. (8) MDRB Medium Density Residential - Light Business District: To provide for residential development similar to the Medium Density Residential District. In addition, to provide for offices and certain other light business uses that would be highly compatible with nearby dwellings and the historic character of the area.