Compare Regulations
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City of New York(3 more)
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| Field | Local City of New York NYC Department of Buildings (DOB) / NYC Department of Environmental Protection (DEP) |
|---|---|
| Permit | |
| Permit / Authorization | DOB Construction Permit with DEP Sewer Connection / Site Connection Proposal (SCP) |
| Submit To | NYC Department of Buildings (DOB) / NYC Department of Environmental Protection (DEP) |
| Lead Time | DOB plan exam 4–12 weeks depending on complexity; DEP SCP review 4–8 weeks; concurrent review possible |
| Application Method | DOB permits via NYC Buildings NOW portal (a]now.nyc.gov); DEP SCP submitted via NYC DEP portal |
| Fee | DOB permit fees based on project cost and type; DEP SCP review fee varies; combined fees can be substantial for large projects |
| Water Quality | |
| Impervious Cover Limit | No citywide cap; however, NYC stormwater management requirements trigger at ≥ 20,000 sq ft of disturbance within city boundaries (lower than state 1-acre threshold) |
| On-Site Treatment Required | Yes |
| Detention Required | Yes — Detain/retain the first 1 inch of rainfall on-site for new development; release rate limited to predevelopment conditions; green infrastructure (bioswales, green roofs, permeable pavement) strongly encouraged by DEP |
| Turbidity / Discharge Standard | Must comply with NYSDEC SPDES CGP; combined sewer areas have additional considerations per DEP's consent order with EPA |
| SWPPP | |
| SWPPP / Local Plan Required | Yes — Site Connection Proposal (SCP) for DEP review; SWPPP per NYSDEC SPDES CGP; NYC also requires Construction Site Stormwater Management per DEP rules |
| PE Stamp Required | Yes |
| Inspections | |
| Inspection Requirements | DOB inspects construction at key milestones. DEP may inspect stormwater facilities. Sites in combined sewer areas receive additional DEP scrutiny. NYC also has a separate Construction Site Compliance program. |
| Inspector Qualification | NYSDEC-approved QI for SPDES compliance; NYC DOB licensed professionals for construction supervision |
| Design & Zones | |
| Local Design Manual | NYC DEP Stormwater Management Rules / Site Connection Proposal Requirements |
| Special Overlay Zones | Combined Sewer Overflow (CSO) Area, Waterfront / Flood Zone, NYC East of Hudson Watershed (DEP Watershed), Special Natural Area District (SNAD) |