ADU Permits: Buffalo vs Clarence
How do adu permits rules compare between Buffalo, NY and Clarence, NY?
Buffalo, NY
Erie County
Buffalo permits accessory dwelling units (ADUs) under the Unified Development Ordinance (UDO), known as the Green Code, codified at Chapter 496 of the Buffalo City Code. Detached, attached, and internal ADUs are recognized configurations. Applicants must obtain building, plumbing, electrical, and zoning approvals through the Department of Permit and Inspection Services and comply with the New York State Uniform Code.
View full Buffalo rules →Clarence, NY
Erie County
No data available yet for Clarence.
Key Facts Comparison
| Fact | Buffalo | Clarence |
|---|---|---|
| Governing Ordinance | Buffalo UDO Chapter 496 (Green Code) | - |
| Permit Authority | Dept. of Permit and Inspection Services | - |
| ADU Configurations | Detached, attached, or internal | - |
| Height Limit | 15 ft single-story / 30 ft two-story | - |
| Building Code | NY State Uniform Code (19 NYCRR) | - |
| Typical Timeline | 60-90 days for permit issuance | - |
Highlighted rows indicate differences between cities.
Buffalo FAQ
Can I build an ADU in Buffalo?
Yes. Buffalo's Green Code UDO (Chapter 496) recognizes detached, attached, and internal ADU configurations. You must apply through the Department of Permit and Inspection Services and comply with the New York State Uniform Code for egress, ventilation, and life-safety.
How long does ADU permitting take in Buffalo?
Plan on 60 to 90 days from submission to permit issuance for a straightforward ADU project, with additional time for inspections during construction. Complex or non-conforming projects requiring zoning relief from the Zoning Board of Appeals take longer.
Clarence FAQ
No FAQs available.
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