Zoning · Glossary
Nonconforming Use
Updated 2026-07-20
A nonconforming use or structure lawfully existed under older rules but no longer matches current zoning. Continuance, expansion, and rebuild rights are ordinance-specific.
What it means
A nonconforming use or structure lawfully existed under older rules but no longer matches current zoning. Continuance, expansion, and rebuild rights are ordinance-specific.
Why it matters for land decisions
Confirm how the concept applies to your specific parcel with the city or county planning department and the controlling agency map or ordinance.
- Treat online GIS as a first-pass screen.
- Verify before design, escrow, or lending decisions.
People also ask
What is Nonconforming Use?
A nonconforming use or structure lawfully existed under older rules but no longer matches current zoning. Continuance, expansion, and rebuild rights are ordinance-specific.
Is a GIS overlay enough to decide?
No. Public GIS is a screening tool. Official determinations come from the governing agency, recorded documents, and licensed professionals when required.
Official sources
Related terms
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