Township of Mahwah, NJ
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Dan Mairella, Construction Official / Building Sub Code Official;
 Courtney Dowson, Principal Clerk; Sylvia Gerou, Principal Clerk;
Kathy Forkins, Technical Assistant; Tim Hetzel, Fire Sub-Code Official;
Russell Hall, Plumbing Sub-Code Official;  (Vacant) Construction Inspector;
John Lane, Assistant Construction Code Official & Electrical Sub-Code Official

Department of Inspections

Telephone:  201-529-5757 ext. 5

Fax:  201-512-0537 
Open 8:00 am to 4:00pm
Monday - Friday

Uniform Construction Code

The State of New Jersey has adopted the uniform construction code for the purpose of regulating the structural design, construction, maintenance and use of buildings and structures to be erected and alteration, renovation, rehabilitation, repair, maintenance, removal or demolition of buildings or structures already erected.  The use of this code is to ensure the health, safety and welfare of the general public.

The Permit 

A permit is required to construct, enlarge, repair, renovate, alter, reconstruct or demolish a structure, or change the use of a building or structure, or portion there of; or to install or alter any equipment.  All sub code permit applications may be obtained at the Building Department or on this website Permit applications can be downloaded from our website,(Building, Electrical, Plumbing, Fire, and Framing Checklist) but a manila jacket must be filed with the applications and this must be obtained from the Building Department.   A Construction Permit Chart (Permit Application Requirements List) shows what permits are needed for each project.  If you have a project and are not sure it needs a permit, call the Building Department .  Do not assume it does not need a permit even if it is not on the Permit Application Requirements list, or your neighbor or contractor says it does not. Doing work without permits and inspections can be a hazard to your health and safety of your family. In addition penalties can be issued.  
Permit Process

After the permit is submitted to the Building Department, if required, it is forwarded to the Zoning Department for review and the Soil permit is reviewed by the Town Engineer.  After the Zoning Department approves the permit, it is submitted to all building inspectors -- Building, Electric, Plumbing and Fire, for approval.  The building inspectors' approvals can take up to 20 days.  Not until all approvals are made can the permit be picked up and paid for.

The Inspections

Inspections will be conducted periodically during the process of construction to insure that the work performed conforms with the approved plans and requirements of the codes.  

The owner or responsible person in charge of the work must notify the Building Department when work is ready for inspection.  Final inspections are required prior to a Certificate of Occupancy or Approval can be issued.

NJ State Law 13:45A - 16. 2 provides protection for a homeowner to not pay final payment to any contractor prior to all final inspections have been approved.  

To arrange inspection please call 201-529-5757 Ext. 284, 235 or 233.

Certification of Occupancy

The Township of Mahwah does not require a Certificate of Occupancy (Application for CO) for a resale or tenant rental. However, the State of New Jersey requires by Section N.J. A.C. 5:70-2.3 of the New Jersey State Uniform Fire Safety Act a  Smoke Detector Certification.  This certification requires smoke detectors on every level, carbon monoxide detectors outside all bedrooms and a 2A:10B:C fire extinguisher.  (See Fire Prevention Bureau for Fire Code compliance)

This application must be filled out at the Building Department in the Municipal building at 475 Corporate Drive, Mahwah, N.J.  07430.  The fee is $80.00; an appointment for the inspection will be scheduled at that time. Inspections are between 7:30am to 9:00 am Monday thru Friday.

Certification of Continued Occupancy 

Certificates of Continued Occupancy are not required for houses for resale or rental of existing unity by the Building Department.

Certificates for resale or tenant rentals are required through Fire Presention at Ext. 275 or 240


Daniel Mairella - Construction Official/Building Sub Code Official
Ext. 241 Email: 

John Lane - Assistant Construction Official/Electric Sub Code Official
Ext. 239 Email: 

Tim Hetzel - 
Fire Sub Code Official
Ext 240 Email:  

Russell Hall -
 Plumbing Sub Code Official
Ext. 236 Email: 

Vacant - Building Inspector
Ext.237 Email:  

Support Staff
Kathy Forkins - Technical Assistant to the Construction Official
Ext. 233 Email:
Courtney Dowson - Principal Clerk
Ext. 235 Email: 

Sylvia Gerou, Principal Clerk
Ext. 284 Email: 





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Township of Mahwah, NJ

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