Columbia ADU Permit Fees & Cost Calculator
Columbia appears to charge standard residential plan review and building permit fees for accessory buildings/ADUs, but the exact total depends on project valuation and scope. The most directly supported city fee items found are plan review, permit fees by valuation, and a specific garage/accessory building permit fee; utility and impact fees were not clearly documented in the available official materials.
Free ADU fee calculator
Estimate local ADU fees
Step 1 of 5: Location
The calculator uses staged city data from the ADUFee database with visible confidence levels and dated source tracking.
Fee overview
The official fee schedule retrieved is not an ADU-specific fee sheet, so the final permit cost may differ based on valuation, scope, and classification.
Some fee lines in the city schedule are old or incomplete in the search results, so current amounts should be rechecked with the City of Columbia Planning & Development Services before budgeting.
No clear official Columbia ADU impact fee, school fee, or utility connection fee was confirmed in the available sources.
The relevant jurisdiction is the City of Columbia, South Carolina, not Columbia, another state.
The ADU would be processed under Columbia's residential permitting framework and may be classified as an accessory building or residential addition depending on the project details.
Only fees visible in the retrieved official city documents are included; utility connection, school, and impact fees were not confirmed from official sources in the search results.
FAQs
Are Columbia ADU fee estimates official?
No. ADUFee.com provides planning estimates only. Final fees are set by the city, utility providers, school district, and other agencies.
What sources are used for Columbia?
The database stores city, state, utility, school, county, and other source links where available. Each estimate should still be verified locally.
Can ADU fees vary within South Carolina?
Yes. Permit, utility, school, inspection, and impact fees can vary by jurisdiction, parcel, project size, utility provider, and local interpretation.