County Building Permits
Warren County Building Permit Guide (Unincorporated Area)
How to apply for a building permit in unincorporated Warren County, New Jersey. Permit authority, application steps, fees, and inspection requirements.
Permit Authority
Unincorporated areas of Warren County not covered by municipalities.
- Department
- State Office of Local Code Enforcement / County Zoning
- Address
- 171 Route 173, Suite 101, Asbury, NJ 08802
- Phone
- 908-713-0722
Online Permit Portal
Platform: • Account required: No • Submission: In-person only
Application Process
- Contact State Office of Local Code Enforcement at 908-713-0722 before beginning any work in unincorporated Warren County.
- Obtain any required zoning approvals from appropriate county authorities.
- Submit UCC construction permit application to State Office of Local Code Enforcement with all required documentation.
- Pay applicable construction permit fees.
- State Office conducts plan review: Up to 20 business days for complete applications.
- Request inspections at least 24 hours in advance.
- State Office performs inspections within three business days of request.
- Final inspection and Certificate of Occupancy issued after all applicable subcode inspections passed.
Typical processing time: 20 business days for initial plan review; inspections conducted within three business days of request.
Source: State Office of Local Code Enforcement / County Zoning
General Requirements
Building permit required for all construction in unincorporated Warren County except for work specifically exempted by N.J.A.C. 5:23-2.14.
Required Documents
- UCC construction permit application
- Applicable subcode technical sections
- Construction plans and documentation
- Plot plan or survey as appropriate
- Zoning approvals if required
- Permit validity
- 12 months from the date of the last inspection per N.J.A.C. 5:23-2.18.
- Building code
- New Jersey Uniform Construction Code (UCC)
- Owner-builder
- Owner-builders may prepare plans for their own single-family dwelling.
- Contractor requirements
- Contractors must be properly licensed. NJ-licensed architect or engineer required for commercial and multi-family projects.
Fees
- Payment note
- Contact State Office of Local Code Enforcement at 908-713-0722 for current UCC fee schedule.
Work That Does NOT Require a Permit
- Ordinary maintenance: Non-structural replacement-in-kind, painting, wallpapering, floor covering
- Sheds: Utility sheds 200 sq ft or less, 10 feet or less in height, no utility connections
- Fences: Six feet or less in height (except pool barriers)
- Temporary structures: Less than 120 sq ft, in place less than 180 days
- Retaining walls: Less than 4 feet in height (unless impacting foundation)
Important: Standard UCC exemptions apply. Additional zoning or environmental approvals may be required.
Inspections
How to Schedule
- 908-713-0722 (phone)
- Scheduling deadline
- 24-hour notice required.
- Inspection hours
- Monday-Friday, 8:00 AM - 4:00 PM
Typical inspection sequence: Inspections conducted by State Office of Local Code Enforcement. Final inspection required for each applicable subcode before Certificate of Occupancy.
Additional Resources
- Building code: New Jersey Uniform Construction Code (UCC)
- License lookup guide: New Jersey Contractor License Requirements
- Contract template: New Jersey Homeowner-Contractor Agreement
- New Jersey hub: New Jersey Contractor License & Permit Hub
Information on this page was last verified: March 2026. Permit rules and fees change — confirm current requirements directly with the State Office of Local Code Enforcement / County Zoning before applying.
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