What the Columbia zoning ordinance says about permitted uses, district by district. Section numbers link to the official ordinance.
CD-2 is the rural character district for large-lot single-family detached homes, open space, and legacy agricultural operations. Whether a specific use is permitted (P), permitted with limitations (PL), or conditional (CU) is set per district in Table 4.3.9.A-1 (principal uses), Table 4.3.9.A-2 (accessory uses), and Table 4.3.9.A-3 (temporary uses). Confirm the exact use row and any PL or CU footnote standards in Section 4.3.9 before relying on this answer.
CD-3L is the large-lot neighborhood character district, primarily single-family detached houses. Use permissions are assigned per district in Table 4.3.9.A-1 (principal), Table 4.3.9.A-2 (accessory), and Table 4.3.9.A-3 (temporary), with P, PL, and CU designations. Confirm the exact use row and any limitation standards in Section 4.3.9 before relying on this answer.
CD-3 is the neighborhood character district where the House is the predominant building type; duplexes appear in the lot standards as a recognized type. Use permissions are assigned per district in Table 4.3.9.A-1 (principal), Table 4.3.9.A-2 (accessory), and Table 4.3.9.A-3 (temporary). Confirm the exact use row and any PL or CU standards in Section 4.3.9 before relying on this answer.
CD-4 is the general urban character district with a broader housing mix (house, duplex, townhouse) and some non-residential uses. Use permissions are assigned per district in Table 4.3.9.A-1 (principal), Table 4.3.9.A-2 (accessory), and Table 4.3.9.A-3 (temporary), with P, PL, and CU designations. Confirm the exact use row and any limitation standards in Section 4.3.9.
CD-4C is the corridor version of the general urban district along major thoroughfares, with residential and commercial uses. Use permissions are assigned per district in Table 4.3.9.A-1 (principal), Table 4.3.9.A-2 (accessory), and Table 4.3.9.A-3 (temporary). Confirm the exact use row and any PL or CU standards in Section 4.3.9.
CD-5 is the urban center character district covering downtown-scale mixed use blocks. Use permissions are assigned per district in Table 4.3.9.A-1 (principal), Table 4.3.9.A-2 (accessory), and Table 4.3.9.A-3 (temporary). Ground-floor and upper-floor expectations follow the building form standards of the table; confirm the exact use row and any PL or CU standards in Section 4.3.9.
CD-5C is the corridor version of the urban center district. Use permissions are assigned per district in Table 4.3.9.A-1 (principal), Table 4.3.9.A-2 (accessory), and Table 4.3.9.A-3 (temporary). Confirm the exact use row and any PL or CU standards in Section 4.3.9.
SD-MHP is the special district for manufactured home parks, with standards applied per manufactured home site or building site. Use permissions are assigned in Tables 4.3.9.A-1 to A-3. Separate manufactured home placement and inspection requirements also exist in Title 14 Chapter 3 of the municipal code.
SD-INT is the interstate service special district for highway-serving commercial uses such as fuel, lodging, and food near the interchange. Use permissions are assigned in Tables 4.3.9.A-1 to A-3 with P, PL, and CU designations; confirm the exact use row and any limitation standards in Section 4.3.9.
SD-LI is the light industrial special district. Use permissions are assigned in Tables 4.3.9.A-1 to A-3; industrial use rows include PL and CU designations with standards in Section 4.3.9 (for example heavy manufacturing requires its own permit or conditional review). Confirm the exact use row before relying on this answer.
SD-HI is the heavy industrial special district. The most intensive uses carry PL or CU designations with standards in Section 4.3.9, including state and federal compliance conditions and conditional use review for heavy manufacturing. Confirm the exact use row in Table 4.3.9.A-1 before relying on this answer.
PUD-R is the current residential planned unit development district; uses and layout are fixed by the approved Master PUD Development Plan together with Table 4.3.1-L and the use tables of Section 4.3.9. Parcels zoned to a legacy PUD district before the 2022 effective date remain governed by the prior ordinance and their Master PUD Development Plan under Section 3.3.3. Always obtain the recorded plan and conditions from Development Services before relying on any district-level answer.
PUD-MU is the current mixed use planned unit development district; the permitted use mix is fixed by the approved Master PUD Development Plan together with Table 4.3.1-M and the use tables of Section 4.3.9. Obtain the recorded plan and its conditions from Development Services before relying on any district-level answer.
The Civic District covers civic buildings and civic spaces (parks, greens, squares, plazas and similar types described in Table 5.3.2-A). Civic buildings within Civic Districts must comply with the Civic District standards table plus any City Council requirements; civic-purpose buildings outside a Civic District follow the standards of the district they sit in (Section 4.3.1.B).
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