Leonia Borough

Bergen County

TextClient checklist

Certificate of Occupancy

Required
Certificate
Certificate of Resale/Rental Occupancy (CRO, also called CCO)
Issued by
Borough of Leonia Building Department (Public Officer / property maintenance inspection)
Requirements
  • Online CRO application with the new owner's details and the closing date
  • All open permits must have a final inspection before a CRO inspection can be scheduled (Building Department guidance)
  • Separate Certificate of Smoke Alarm, Carbon Monoxide Alarm and Secondary Power Supply Identification Label compliance with its own inspection and fee
  • Secondary power supply (generator, solar, battery) must be identified on the application; at least one option must be checked
  • Owner certifies the house meets zoning and that no rubbish, debris or bulk garbage will be left before the new occupancy
  • Resale-only certificates (buyer not occupying) need a notarized letter from the purchaser's attorney
Fees
CRO inspection scheduled within 7 days (current online form)$150
CRO inspection scheduled within 14 days (current online form)$125
CRO inspection scheduled 15 days or more ahead (current online form)$100
CRO reinspection (current online form)$50
Certificate of sale/rental occupancy, inspection fee three weeks before inspection date (Code Section 123-23F; lower than the current form)$50
Certificate of sale/rental occupancy, two weeks before (Code)$75
Certificate of sale/rental occupancy, one week before (Code)$100
Timing
Fees must be paid before the inspection to lock in the date; the fee is lower the further ahead the inspection is scheduled (15 days or more for the lowest fee).
Phone
201-592-5780 x 253
ApplicationOfficial page

Smoke and CO alarm certificate

Required
Requirements
  • Smoke alarms and carbon monoxide alarms per N.J.A.C. 5:70-4.19 (see the Borough's CSACMAC requirements sheet)
  • Secondary power supply identification label where a generator, solar or battery system exists (listed on the Borough form)
  • No fire extinguisher: the Borough says the fire extinguisher requirement has been removed

Leonia Fire Prevention Bureau

Fees
Smoke & CO certification inspection within 7 days (current online form)$150
Smoke & CO certification inspection within 14 days (current online form)$125
Smoke & CO certification inspection 15 days or more ahead (current online form)$100
Certificate of smoke alarm and CO alarm compliance, more than 10 business days before inspection (Code Section 136-13)$100
Four to 10 business days before inspection (Code)$125
Fewer than four business days before inspection (Code)$150
Reinspection per occurrence (Code)$50
Timing
Fee depends on how far ahead the inspection is scheduled (code: more than 10 business days for the lowest fee; current form: 15 days or more).
Phone
201-592-5780 x254
ApplicationOfficial page
Last checked October 4, 2026
Sources
  1. https://www.leonianj.gov/borough-government/borough-departments/building-department
  2. https://main.govpilot.com/web/public/2b087029-724_Residential-CCO-Application-leonia?uid=7020&ust=NJ&pu=1&id=0
  3. https://ecode360.com/9252039

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