Building permits are required in Northampton County, Pennsylvania, but the county is not the permitting office: the township, borough or its certified agency administers the statewide construction code1. Zoning and on-lot septic approvals are also handled locally, so first identify the municipality containing the parcel23. Rules for RV living, tiny homes, setbacks and minimum dwelling size could not be confirmed countywide; ask that municipality's zoning office.
At a glance
- Building permit
- Required under Pennsylvania's statewide construction code; administered by the municipality or its certified agency14
- Zoning
- No single countywide answer; the parcel's township or borough controls zoning25
- Septic permit
- Required for most on-lot systems and issued through the local agency's Sewage Enforcement Officer36
- RV living
- Countywide private-land occupancy rules could not be confirmed; ask the municipal zoning office2
- Tiny home
- Countywide occupancy and dimensional rules could not be confirmed; ask the municipality2
- Owner-builder
- No explicit exemption was confirmed; ask the municipal code office7
- Private well
- Commercial drillers need state licensing and permits; homeowners drilling on owned or leased land are outside that licensing requirement8
Who to call
Codes & inspections
Lehigh Township Zoning & Codes Office (municipal example)
Zoning and code questions for parcels in Lehigh Township only; other municipalities have their own offices
1069 Municipal Road, Walnutport, PA 18088
Contact details are copied from each office’s official page and were checked against it on September 28, 2026.
Do you need a building permit in Northampton County, Pennsylvania?
Yes. Pennsylvania's Uniform Construction Code requires owners to obtain a construction or building permit before starting covered work9. In Northampton County, the parcel's township or borough administers and enforces that statewide code, either with municipal staff or a certified third-party agency14. A qualifying agricultural building can be excluded from the Construction Code Act when used for specified farm purposes and containing no habitable space, but zoning, electrical, health and environmental requirements may still apply10. Do not treat a barn exemption as permission to build a dwelling without approval. Before ordering plans or site work, identify the parcel's municipality and ask its code office which zoning approval, construction permit, plan set and inspections apply.
Who issues Northampton County building permits, and how do you reach them?
Northampton County does not provide one countywide residential permit counter; building-code administration is municipal1. Start with the township or borough named on the parcel record, then ask whether its code official or a certified third-party agency processes the application4. Lehigh Township illustrates the local setup: its Zoning & Codes Office is at 1069 Municipal Road, Walnutport, PA 18088, and the listed phone is 610-767-677111. Lehigh Township says zoning permits cover accessory work such as sheds, fences, driveways and patios when that work is not required under the building code11. That example applies only inside Lehigh Township. Owners elsewhere in Northampton County should obtain the correct building and zoning contacts from their own township or borough before filing.
Does Northampton County have zoning?
There is no single countywide zoning answer for a parcel in Northampton County; zoning is enacted and administered at the municipal level2. Pennsylvania law limits county zoning authority to land in municipalities that lack their own zoning ordinance, and a later municipal ordinance displaces county zoning within that municipality5. Consequently, no county zoning does not mean land is unrestricted. The township or borough may control uses, setbacks, lot coverage, height, RV occupancy, tiny-home placement and minimum dwelling or lot size. Those parcel-level standards could not be confirmed countywide, so request the current ordinance and zoning map from the municipal zoning office. Lehigh Township, for example, says a retaining wall over 4 feet or landscaping lighting requiring electricity may require a building permit11.
How do septic permits work in Northampton County?
On-lot sewage permitting in Northampton County is administered locally under Pennsylvania's Act 537 program, with municipalities or groups of municipalities employing Sewage Enforcement Officers3. The local agency issues permits for individual and community on-lot systems, including systems that treat effluent in a soil absorption area or spray field6. A narrow state exemption may cover an owner or immediate-family residence on a contiguous tract of at least 10 acres when ownership, notice and siting conditions are met; confirm eligibility with the local agency rather than assuming acreage alone is enough12. A new system may not be covered until the original permit issuer or authorized representative approves it, subject to the state's limited waiting rule after notice of completion13. Only 18.8% of county soils are rated without severe limits for a conventional drain field, so complete the site evaluation before committing to a house location14.
Can you live in an RV or tiny home on your land in Northampton County?
We could not confirm one Northampton County rule allowing residential RV or tiny-home occupancy on private land. Because zoning is municipal, ask the parcel's township or borough whether the proposed use is allowed and what setbacks, utilities, time limits and permits apply2. Pennsylvania's published RV limits in the available material govern state park campgrounds, not residential use of private land, so they do not answer this question15. A manufactured home follows a different code path: site work, utility connections, grading, additions, certain repairs and later relocation can remain subject to the Uniform Construction Code16. Composting or incinerating toilets do not eliminate wastewater review for a new residence; an approved method is still required for washwater or excess liquid17.
Building a home in Northampton County: the steps, in order
- Identify the parcel's township or borough, because local government controls zoning and building-code administration21.
- Ask the municipal zoning office to confirm the district, allowed dwelling type, setbacks and zoning approval.
- Apply through the municipality or its certified agency for the construction permit before covered work starts94.
- If access touches state highway land or a PennDOT drainage facility, obtain a Highway Occupancy Permit18.
- If development lies in a Special Flood Hazard Area, obtain the municipal floodplain development permit before work19.
- Schedule required inspections and obtain the certificate of occupancy before using the building9.
What should you check before buying land in Northampton County?
Confirm the municipality first, then obtain its zoning map, use table and dimensional standards because Northampton County does not supply one countywide parcel answer2. Test septic feasibility early: only 18.8% of county soils are rated without severe limitations for a conventional drain field14. Check grade and clearing costs as well; 82.7% of land is at 15% slope or less, and 60% is wooded2021. Determine whether access is from a state or local road because a driveway on state highway land requires PennDOT approval18. Review mapped flood hazards with the municipality because development in a Special Flood Hazard Area needs a municipal permit19. The effective property-tax rate is about 1.7%, and the median annual property-tax bill is about $4,7102223.
Watch-outs
- A Northampton County parcel can have township or borough zoning even though there is no single countywide zoning answer25.
- An owner-builder exemption could not be confirmed; ask the municipal code office who may apply and perform regulated work7.
- A septic permit exemption depends on ownership, notice and siting conditions, not acreage alone12.
Sources
- PA Dept. of Labor & Industry - Uniform Construction Code (2026 county census)
- Lehigh Township (Northampton County) - Zoning FAQ (2026 county census)
- Act 537 Sewage Facilities, quoted and re-checked
- Uniform Construction Code (UCC) (Pennsylvania statewide rule), quoted and re-checked
- Pennsylvania Municipalities Planning Code (Pennsylvania statewide rule), quoted and re-checked
- Municipal On Lot Sewage Service Areas, quoted and re-checked
- (2026 county census)
- Apply for a Water Well Drillers License and Rig Permit (Pennsylvania statewide rule), quoted and re-checked
- Apply for a Uniform Construction Code Building Permit (Pennsylvania statewide rule), quoted and re-checked
- Pennsylvania Construction Code Act — Chapter 1 (Pennsylvania statewide rule), quoted and re-checked
- Lehigh Township Zoning & Codes Office (municipal example) (lehightownship.com)
- 25 Pa. Code § 72.22. Permit issuance (Pennsylvania statewide rule), quoted and re-checked
- Pennsylvania Sewage Facilities Act (Pennsylvania statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- RV and Tent Campsites (Pennsylvania statewide rule), quoted and re-checked
- Pennsylvania Uniform Construction Code, Chapter 403 (Pennsylvania statewide rule), quoted and re-checked
- 25 Pa. Code § 73.65. Recycling toilet, incinerating toilet or composting toilet (Pennsylvania statewide rule), quoted and re-checked
- Apply for a PennDOT Highway Occupancy Permit, quoted and re-checked
- PennsylvaniA Floodplain Development Guide (Pennsylvania statewide rule), quoted and re-checked
- Share of land at 15% slope or less: Bolthole Index county data
- Wooded share of land: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
- Median property tax bill: Bolthole Index county data
Written September 28, 2026 from the rules quoted below, each taken from an official source and re-checked by an independent reviewer. This is research, not legal advice: rules change, so confirm with the office before you buy or build.