What matters for project planning
Columbia provides historic-preservation guidance and a municipal stormwater program. Local designation, flood and drainage conditions, easements, and permits should be verified before exterior, structural, or site work begins.
Official sources
The city level only goes so far
General context can't establish a parcel's flood zone, historic status, buffer, permit requirements, soil conditions, or concealed construction. Confirm those with the City of Columbia and your provider.
Timing of this review
Reviewed in 2026. Maps and requirements change, so confirm anything time-sensitive.