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§ 02
When a permit is required
Permit triggers and exempt work for Northumberland County
No countywide general building permit program exists. Applicants must use the municipality-specific permit path for their project location.
Fences 6 feet or lower in height (common PA UCC exemption for one- and two-family dwellings)
Retaining walls 4 feet or lower that do not support a surcharge
Some sidewalks and driveways not over basements
Shallow prefabricated pools
Playground equipment and similar minor work
- Exempt Fences 6 feet or lower in height (common PA UCC exemption for one- and two-family dwellings)
- Exempt Retaining walls 4 feet or lower that do not support a surcharge
- Exempt Some sidewalks and driveways not over basements
- Exempt Shallow prefabricated pools
- Exempt Playground equipment and similar minor work
Note: These are common Pennsylvania UCC exemptions for one- and two-family dwellings. Zoning, floodplain, sewage, stormwater, and driveway approvals may still apply even where a UCC permit is not required. Confirm with the applicable municipality before proceeding.
Required documents
- Varies by municipality and by any separate county function such as planning, GIS, septic, or floodplain review
- Building code
- Pennsylvania Uniform Construction Code (UCC); 2021 ICC-based update took effect January 1, 2026, subject to Pennsylvania amendments
- Contractor requirements
- Pennsylvania Home Improvement Consumer Protection Act registration applies to home improvement contractors performing work over $5,000. Workers compensation documentation is required where applicable.
§ 03
Application process
Application → plan check → issuance → inspection → final
- 01 Determine the municipality (city, borough, or township) where the project site is located using the county municipality directory.
- 02 Apply through that municipality or its designated UCC third-party agency, not through a countywide general building department.
- 03 Use county planning, GIS, septic, floodplain, road, or related county resources only when a separate narrow county approval is expressly required for the project.
- 04 If the municipality is opt-out under the PA UCC, follow the PA L&I or certified third-party residential path identified for that municipality.
- 05 Do not rely on the county for a general building permit unless a separate county approval is expressly required.
§ 04
Frequently asked
Common questions about unincorporated Northumberland County permits
01 Do I need a building permit in unincorporated Northumberland County, PA? ▸
No countywide general building permit program exists. Applicants must use the municipality-specific permit path for their project location.
02 How do I apply for a building permit in unincorporated Northumberland County, PA? ▸
To apply for a building permit in unincorporated Northumberland County, PA, follow these steps: 1. Determine the municipality (city, borough, or township) where the project site is located using the county municipality directory. 2. Apply through that municipality or its designated UCC third-party agency, not through a countywide general building department. 3. Use county planning, GIS, septic, floodplain, road, or related county resources only when a separate narrow county approval is expressly required for the project. 4. If the municipality is opt-out under the PA UCC, follow the PA L&I or certified third-party residential path identified for that municipality. 5. Do not rely on the county for a general building permit unless a separate county approval is expressly required.
03 What work is exempt from building permits in unincorporated Northumberland County, PA? ▸
Not all construction work requires a permit in unincorporated Northumberland County, PA. The following work is generally exempt: Fences 6 feet or lower in height (common PA UCC exemption for one- and two-family dwellings); Retaining walls 4 feet or lower that do not support a surcharge; Some sidewalks and driveways not over basements; Shallow prefabricated pools; Playground equipment and similar minor work. Note: These are common Pennsylvania UCC exemptions for one- and two-family dwellings. Zoning, floodplain, sewage, stormwater, and driveway approvals may still apply even where a UCC permit is not required. Confirm with the applicable municipality before proceeding. When in doubt, confirm with the local building department before starting work.
last verified April 2026
source Northumberland County Planning Department ↗
entry id permits/pennsylvania/northumberland/northumberland-county
Educational reference. Permit rules and fees change — confirm current requirements directly with Northumberland County Planning Department before applying. Jaspector is not legal advice.