Bolthole Index

Johnston County, North Carolina

Building permits, zoning and septic rules in Johnston County, North Carolina

49Index Score / 100
#88 of 100 in North Carolina

Johnston County, North Carolina requires building permits for most construction and regulates every parcel through countywide zoning12. For a home using a private well and septic system, secure the zoning approval and Environmental Health permits before applying to Building Inspections3. Municipal limits and extraterritorial jurisdictions can change which planning office handles the zoning approval4.

At a glance

Building permit
Required for most construction; listed cosmetic and minor work is exempt1
Zoning
Every parcel has a zoning designation2
Septic permit
Required through Johnston County Environmental Health56
Private well
A county permit is required when a lot uses a private well7
Owner-builder
Allowed if the owner meets the ownership and occupancy conditions8
RV living
A countywide private-land rule could not be confirmed; ask Planning and Zoning9
Tiny home
State code recognizes qualifying tiny houses, but county zoning and permits still apply102

Who to call

Building permits

Johnston County Building Inspections

Building-permit applications, plan review and inspections in the county's jurisdiction

919-989-5060

[email protected]

309 E. Market Street, Smithfield, NC 27577

Planning & zoning

Johnston County Planning and Zoning

Land-use and zoning permits, zoning questions, and floodplain review

(919) 989-5150

[email protected]

309 E. Market Street, Smithfield, NC 27577

Septic permits

Johnston County Environmental Health Department

Septic-system and private-well permitting, site evaluation and inspections

(919) 989-5180

[email protected]

309 E. Market Street, Smithfield, NC 27577

Contact details are copied from each office’s official page and were checked against it on September 27, 2026.

Do you need a building permit in Johnston County, North Carolina?

Johnston County requires permits for additions and remodels, finished attic space, larger accessory structures, mobile homes, decks and porches, pools holding more than 24 inches of water, retaining walls, HVAC changes, electrical repairs, structural roof changes, county-water connections and demolition1. Cosmetic work, nonstructural replacement of existing doors and windows, fences, and limited plumbing or electrical repairs by licensed contractors without system changes are listed as work that does not require a permit1. Ask Building Inspections about any project that does not fit those examples1. North Carolina also has a narrow permit exception for qualifying work costing $40,000 or less, but structural, plumbing-design, HVAC, electrical, roofing-addition and Fire Code work remains outside that exception11.

Who issues building permits in Johnston County, and how do you reach them?

Johnston County Building Inspections handles building-permit applications, plan review and inspections in the county's jurisdiction112. The application package includes the permit application, digital construction drawings, a site plan, a septic permit, a county-water receipt when applicable, and a lien-agent document13. The county says a complete package generally takes about two and a half weeks for site-plan and construction-plan approval3. Contact Building Inspections at 919-989-5060 or [email protected], or visit 309 E. Market Street in Smithfield13. For zoning approval inside municipal limits or a town's extraterritorial jurisdiction, contact that town's planning office rather than Johnston County Planning and Zoning4.

Does Johnston County have zoning?

Johnston County has countywide zoning, and every parcel carries a zoning designation with its own allowed uses2. A proposed use that does not match the parcel's designation may require rezoning before development or construction2. Johnston County's Land Use Permit review addresses setbacks, floodplain, zoning, proposed use and the site address before the applicant proceeds to other permitting agencies9. Municipal limits and extraterritorial jurisdictions are different: the applicable town or city may issue the zoning approval there4. Bona fide farm uses have a conditional state-law exemption from county zoning, but nonfarm uses on the same property remain regulated14. Johnston County Planning and Zoning can confirm the parcel's jurisdiction and permitted use at (919) 989-5150 or [email protected]9.

How do septic and well permits work in Johnston County?

Johnston County Environmental Health administers septic and private-well permitting57. A septic application begins with a document from the appropriate planning and zoning authority, and the county evaluates whether the property is suitable for the proposed system15. New and existing residential lots using onsite wastewater need their well and septic approvals in the building-permit package6. Only about 38% of Johnston County soils are rated without severe limitations for a conventional drain field, so a parcel-specific evaluation is more useful than acreage alone16. State law requires an improvement permit and construction authorization before covered wastewater-system construction, relocation, installation or repair, while maintenance alone is excluded17. Contact Environmental Health at (919) 989-5180 or [email protected]15.

Can you live in an RV or tiny home on your land in Johnston County?

We could not confirm a current Johnston County rule that directly answers long-term RV occupancy or temporary camping on private land; ask Planning and Zoning about the proposed use before buying or moving an RV onto a parcel9. North Carolina's Residential Code recognizes a tiny house used as a single dwelling when it is no more than 400 square feet excluding lofts and complies with the code, but Johnston County zoning, septic and permit requirements still apply102. Johnston County has not published a confirmed countywide minimum dwelling size in the reviewed material, so Planning and Zoning should verify the parcel's district standards9. A manufactured home requires a building permit before installation or relocation, apart from the stated warranty-repair exception18.

Building a home in Johnston County: the steps, in order

  1. Confirm whether Johnston County or a municipality controls zoning for the parcel, then verify that the proposed home is allowed42.
  2. Obtain the Land Use or zoning approval because the county reviews setbacks, floodplain, zoning, proposed use and the site address before other permitting agencies9.
  3. Apply to Environmental Health for the private-well and septic approvals when the lot will not use the applicable public services76.
  4. Submit the building application, digital plans, site plan, septic approval, water receipt when applicable, and lien-agent document to Building Inspections13.
  5. Complete the required inspections as work progresses12.
  6. Do not occupy the finished home until the final approvals and certificate requirements are satisfied1920.

What should you check before buying land in Johnston County?

Confirm the parcel's zoning designation and whether county or municipal planning has jurisdiction before relying on a seller's description of permitted use24. Ask Environmental Health to assess septic feasibility because only about 38% of county soils are rated without severe limitations for a conventional drain field1615. Ask Planning and Zoning to check floodplain proximity; development in a Special Flood Hazard Area generally requires local floodplain review and a development permit921. Confirm whether public water or sewer is available and feasible because Johnston County's connection policy depends on the service classification, distance to the main and service area22. If future division matters, Johnston County regulates residential subdivisions and lists different land requirements depending on whether public water is available23. The median property-tax bill is about $1,840 per year, with an effective rate near 0.7%2425.

Watch-outs

  • Every Johnston County parcel has a zoning designation, so rural acreage is not automatically unrestricted2.
  • An owner-builder must own the property and occupy the completed building for at least 12 consecutive months after final inspection and issuance of the Certificate of Occupancy8.
  • We could not confirm a countywide rule for residential RV use on private land; ask Johnston County Planning and Zoning before treating an RV as temporary or permanent housing9.

Sources

  1. When and Why Building Permits are Required, quoted and re-checked
  2. Zoning and Rezoning Information, quoted and re-checked
  3. Building Permit Requirements, quoted and re-checked
  4. Zoning and Rezoning Information, quoted and re-checked
  5. Applications, Forms, and Rules, quoted and re-checked
  6. Building Permit Requirements, quoted and re-checked
  7. Applications, Forms, and Rules, quoted and re-checked
  8. Building Inspections Department FAQs, quoted and re-checked
  9. Johnston County Planning and Zoning (johnstonnc.gov)
  10. 2024 North Carolina Residential Code, Appendix AQ Tiny Houses (North Carolina statewide rule), quoted and re-checked
  11. G.S. 160D-1110. Building permits. (North Carolina statewide rule), quoted and re-checked
  12. G.S. 160D-1113. Inspections of work in progress. (North Carolina statewide rule), quoted and re-checked
  13. Johnston County Building Inspections (johnstonnc.gov)
  14. G.S. 160D-903. Agricultural uses (North Carolina statewide rule), quoted and re-checked
  15. Johnston County Environmental Health Department (johnstonnc.gov)
  16. Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
  17. G.S. 130A-336. Improvement permit and construction authorization required (North Carolina statewide rule), quoted and re-checked
  18. State of North Carolina Regulations for Manufactured Homes, 2019 Edition (North Carolina statewide rule), quoted and re-checked
  19. How to Call for an Inspection, quoted and re-checked
  20. G.S. 160D-1116. Certificates of compliance; temporary certificates of occupancy. (North Carolina statewide rule), quoted and re-checked
  21. North Carolina Quick Guide: Applying for a Floodplain Development Permit (North Carolina statewide rule), quoted and re-checked
  22. Water Connection Policy, quoted and re-checked
  23. Subdivision Approval Process, quoted and re-checked
  24. Median property tax bill: Bolthole Index county data
  25. Effective property tax rate: Bolthole Index county data

Written September 27, 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.

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County locator

Johnston County in North Carolina

49
County map
Johnston County highlighted among the North Carolina counties · colored by Index score

How Johnston County scores

Seclusion18100% ev.
Self-Sufficiency79100% ev.
Admin Boringness4290% ev.
Durability77100% ev.
Property Autonomy42100% ev.
Carry Cost72100% ev.

Evidence strength: 98%. This reports direct-source completeness and fallback use; it is separate from the score and is not a confidence interval. How it works →

$345kTypical home
0.7%Property tax
$6,813Land / acre
48.9"Annual rain
1.6% of yrsSevere drought
9.5 / yr (+8.5)Mid-century 100°F days
13.2 daysMid-century dry spell
2.09" (+5.3%)Mid-century 1-day rain
1.3×Wildfire change factor
100%Forward climate coverage
$1,330Home insurance / yr
1.8% / yrInsurance growth
2.21%Nonrenewal rate
county median (2+ published ZIPs)Insurance basis
266,415People within 30 min
6,011,004People within 2 hr
205,297Radius comparison (15 mi)
305.5People / sq mi
0%Federal land
97.5%Land at 15% slope or less
37.6%Septic soil without severe limits
188,980 acWorkable land screen
57.5%Wooded land
51.5 tonsBiomass / forest ac
61.1°FAvg temp

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Answers from the rulebook for Johnston County

What the ordinances and state agencies actually say — one answer per question, each quoted from the official source and independently re-checked.

Johnston County rules

  • Building permitRequired

    Examples include additions/remodels, finishing attic space, larger accessory structures, mobile homes, decks and porches, pools over 24 inches, retaining walls, HVAC changes, electrical repairs, structural roof changes, county-water hookups, and demolition.

    • Cosmetic work, certain nonstructural door/window replacements, minor plumbing/electrical repairs by licensed contractors without system changes, and fences are listed as not requiring permits.
    • Specific projects not listed require confirmation from Building Inspections.
    “The above listed projects are examples of required permits, you will need to contact our office for specific projects not listed.”
  • Owner-builder exemptionConditional

    An owner acting as the contractor for the owner's building project.

    • The owner must own the property and occupy the building for at least 12 consecutive months following the final inspection after the Certificate of Occupancy has been issued.

    required occupancy period: >= 12 consecutive months (following the final inspection after the Certificate of Occupancy has been issued)

    “An owner can act as their own contractor if they own the property and will be occupying the building for at least 12 consecutive months following the final inspection after the Certificate of Occupancy has been issued.”
  • Certificate of occupancyRequired

    Residential occupancy after permitted construction.

    • All inspections must be approved and final water and sewer approval from Environmental Health must be in the county file before a Certificate of Occupancy can be issued.
    “Final Inspections (before a Certificate of Occupancy can be given on any residence, all inspections must be approved and final water and sewer approval (Certification Form from Environmental Health Dept.) must be in our file)”
  • County-wide zoningPresent (with conditions)

    Johnston County zoning ordinance and parcel zoning designations.

    • A rezoning may be needed before development or construction when the property's zoning designation and permitted uses do not coincide with the desired use.
    “Johnston County adopted a county-wide zoning ordinance 1992. Every parcel of land has a specific zoning designation which carries certain allowable uses.”
  • Local zoningPresent (with conditions)

    County zoning regulation across Johnston County; incorporated municipalities may administer separate local zoning and land-use approvals.

    • Every parcel has a zoning designation; parcels in municipal limits or extraterritorial jurisdictions may require town or city planning approval.
    “If the property is located within the city limits or within the town's extraterritorial jurisdiction, then the zoning permit would need to be obtained from the Town's Planning Office.”
  • Who permits septicCounty

    On-site wastewater and well permitting in Johnston County.

    • Johnston County Environmental Health administers the county application process under listed North Carolina rules and forms.
    “Application for a Septic System or a Well (including repairs, upgrades, & well abandonment)”
  • Septic permitRequired

    New and existing residential lots using septic or on-site wastewater systems.

    • A copy of well and septic tank permits is required for new and existing lots when obtaining a building permit.
    • Environmental Health lists applications for septic systems, including repairs, upgrades, and well abandonment.
    “Copy of the Well and Septic Tank Permits for New and Existing Lots”
  • Well permitRequired

    Private wells serving new or existing lots where well water is used.

    • Environmental Health provides an application for a septic system or well, including repairs, upgrades, and well abandonment.
    • Building permit applications require a copy of well and septic tank permits for new and existing lots.
    “Permits: Well Private Well $400.00 Agricultural/Irrigation Well $325.00”
  • Mandatory utility hookupConditional

    New development and properties where public water or sewer is available and feasible under Johnston County policy.

    • Connection depends on user classification and distance to the public water or sewer main.
    • Residential sewer service is limited to specified districts/areas and existing residences with failed or failing septic systems.
    • A public-water or sewer connection may require county, special district, sanitary district, or public authority service.
    “Under the following conditions, connection to public water facilities is deemed available and feasible. In these cases, and subject to State law, connection shall be made to the public water facilities and service may be provided by the public utility.”
  • Subdividing landRegulated (with conditions)

    Residential subdivision and division of land in Johnston County.

    • Residential division requires minimum land areas and density limits.
    • Minor subdivisions creating three or fewer lots from a tract created before September 2000 follow the listed approval process.
    • Final plat review and recordation are required after reviewer endorsement.
    • A $250 fee is listed for minor-subdivision preliminary-plat submission, subject to change by annual fee schedule.

    minor subdivision fee: 250 USD (fees subject to change as set by annual fee schedule) · minor subdivision threshold: <= 3 lots (tract created prior to September 2000)

    “Minimum land required for division proposed for residential use is 1.33 acres with public water and 2 acres without a public water source.”
  • Permit processPartial

    Building permit applications and county planning/environmental-health approvals.

    • Building permit documentation includes zoning/land-use permit, well and septic permits or utility hookup approval, digital construction drawings, detailed site plan, and a lien waiver form for projects costing $40,000 or more.
    • Completed applications and documents generally take about two and a half weeks for site-plan and construction-plan approval; online building-permit applications were not available on the opened FAQ page.
    • Simple trade permits may be emailed; other applications must be brought to or mailed to the office.

    lien-waiver threshold: >= 40000 USD · plan approval time: 2.5 weeks (about)

    “Once we have received a completed permit application, and all the necessary documents, it takes about two and a half weeks for Site Plan and Construction Plan approval.”

North Carolina rules that apply here

  • InspectionsRequired

    Work performed under a North Carolina building permit, inspected by the applicable local inspection department.

    • As permitted work progresses, local inspectors must make as many inspections as may be necessary to determine compliance with applicable State and local laws and permit terms.
    • The inspection rule is subject to the limitation imposed by G.S. 160D-1104(d).
    • For a permit obtained by an owner exempt from licensure under G.S. 87-1(b)(2), no inspection may be conducted without the owner present unless the plans were drawn and sealed by a licensed architect under Chapter 83A.
    “as the work pursuant to a building permit progresses, local inspectors shall make as many inspections thereof as may be necessary”
  • Zoning districtsPartial

    North Carolina local governments that adopt zoning regulations under Chapter 160D; this claim does not establish that every jurisdiction has zoning or identify any jurisdiction's actual district map.

    • A local government may divide its territorial jurisdiction into zoning districts of any number, shape, and area.
    • The statute lists conventional, conditional, form-based, overlay, and charter-authorized districts as examples, not a mandatory statewide district scheme.
    • Conditional districts require a petition by all owners of the property to be included and written consent to incorporated conditions.
    • Regulations must be uniform within each district class or kind, although regulations may differ between districts.
    • A zoning regulation or unified development ordinance may also include standards that apply uniformly jurisdiction-wide rather than only within particular districts.
    “A local government may divide its territorial jurisdiction into zoning districts of any number, shape, and area deemed best suited to carry out the purposes of this Article. Within those districts, it may regulate and restrict the erection, construction, reconstruction, alteration, repair, or use of buildings, structures, or land.”
  • Tiny homesAllowed (with conditions)

    Tiny houses used as single dwelling units under the North Carolina Residential Code.

    • The tiny house must be used as a single dwelling unit.
    • The tiny house must comply with the North Carolina Residential Code except where Appendix AQ provides otherwise.
    • The code defines a tiny house as a dwelling of 400 square feet or less excluding lofts.
    • Local zoning, land-use, utility, septic, and permit requirements may also apply.

    maximum floor area excluding lofts: <= 400 square feet

    “The provisions contained in this appendix are adopted as part of this code. SECTION AQ101 GENERAL AQ101.1 Scope. This appendix shall be applicable to tiny houses used as single dwelling unit. Tiny houses shall comply with this code except as otherwise stated in this appendix.”
  • Manufactured homesAllowed (with conditions)

    Use and occupancy of manufactured homes installed in North Carolina.

    • A building permit from the Building Official is required before installing, constructing, enlarging, altering, repairing, locating, improving, converting, or demolishing a manufactured home.
    • Warranty repairs do not require a permit.
    • The set-up contractor generally obtains the permit; a homeowner may obtain it on behalf of the installer if the licensed set-up contractor's name and license number appear on the permit.
    • The setup contractor may not move the home to the site until the permit is in hand.
    • The regulations apply to installation, alteration, repair, use, and occupancy of every manufactured home.
    • New homes must be installed in accordance with the manufacturer's installation instructions, which must comply with 24 CFR Part 3285.
    • Used homes manufactured before January 1, 2009 must be installed under the State Code; used homes manufactured on or after January 1, 2009 use the manufacturer's instructions if available or the State Code.
    • Local zoning and land-use ordinances continue to apply, and local jurisdictions may not make the technical provisions more stringent without written consent of the Commissioner of Insurance.
    • Electrical connections or equipment installed in the field require contact with the local authority having jurisdiction.

    building permit before installation or other listed work: true (Warranty repairs do not require a permit.) · used-home manufacturing-date threshold: January 1, 2009 (Homes manufactured before this date follow the State Code; homes on or after this date follow manufacturer instructions if available or the State Code.)

    “The provisions of this Code shall apply to the installation, alteration, repair, use and occupancy of every manufactured home and the installation thereof.”
  • Accessory dwellingsLimited

    Accessory dwelling units in cities with a population of 50,000 or greater that are not in the coastal area, in areas zoned for residential use that allow single-family detached dwellings.

    • The requirement applies only to cities with a population of 50,000 or greater that are not in the coastal area.
    • The subsection requiring local governments to allow the ADU becomes effective January 15, 2027 and applies to applications for ADU permits on or after that date.
    • Local governments must adopt implementing development regulations by July 1, 2027; if they fail to do so, ADUs must be allowed without limitations.
    • The ADU must conform to the North Carolina Residential Code, including applicable fire-prevention-code provisions.
    • The primary dwelling and ADU may be used for long-term rentals by separate households.
    • A local government may not require conditional zoning, impose minimum parking requirements or other parking restrictions, prohibit connection to existing utility systems when the primary dwelling has capacity to serve both dwellings, charge fees exceeding those for a similar single-family dwelling permit, or set a maximum ADU size below 800 square feet or above 1,000 square feet.
    • A local government may impose a setback of 10 feet or the generally applicable setback for the same zoning classification, whichever is less; require side or rear placement; and require the ADU to be smaller than the primary dwelling.
    • The provision does not apply to private covenants or contractual dwelling-type restrictions, historic preservation districts, National Historic Landmarks, or ADUs not connected to water, well and septic, and sewer.
    • After permitting, the parcel may not be subdivided so that the ADU and primary dwelling are on different parcels.

    minimum maximum accessory dwelling unit size: 800-1000 square feet (A local government may not set a maximum size below 800 square feet or above 1,000 square feet.) · implementation deadline: July 1, 2027 (If the local government fails to adopt regulations by this date, ADUs must be allowed without limitations.)

    “This section applies only to cities with a population of 50,000 or greater, that are not in the coastal area, as that term is defined in G.S. 113A‑103.”
  • Septic inspectionRequired

    Wastewater systems before they are covered, placed into use, or used to authorize occupancy.

    • The local health department must inspect and determine installation or repair complies with the Improvement Permit, rules, and Article 11.
    • An applicant may contract with an Authorized On-Site Wastewater Evaluator for required verifications or inspections and may cover or operate the system after receiving written verification, which must be submitted to the local health department within two business days.
    • A certified Private Compliance Inspector may conduct qualifying compliance inspections when the statutory criteria are met.
    • An operation permit is required before occupancy or placing the wastewater system into use or reuse.
    “until an inspection by the local health department has determined that the system has been installed or repaired”
  • Off-grid sanitationLimited

    Chemical and portable toilets and other sanitation arrangements used instead of or alongside permanent wastewater treatment systems.

    • A chemical or portable toilet may be placed where it can be operated and maintained under sanitary conditions.
    • It may not replace or substitute for a water closet or urinal connected to a permanent wastewater treatment system where the North Carolina State Building Code requires that permanent connection.
    • It may supplement a water closet or urinal during periods of peak use.
    • It may not be used as an alternative to repair of a water closet, urinal, or wastewater treatment system.
    • Human waste may be discharged only into a wastewater system approved by the Department under Commission or Environmental Management Commission rules, or at a site permitted under G.S. 130A-291.1.
    “A chemical or portable toilet shall not be used as an alternative to the repair of a water closet, urinal, or wastewater treatment system.”
  • Agricultural exemptionAvailable (with conditions)

    Qualifying nonresidential farm buildings, primitive camps, and primitive farm buildings under North Carolina building rules.

    • Building rules do not apply to farm buildings outside the building-rules jurisdiction of any municipality.
    • Inside a municipality's building-rules jurisdiction, the exemption applies to greenhouses and therapeutic equine facilities.
    • The exemption also applies to primitive camps and primitive farm buildings.
    • A farm building means a nonresidential building or structure used for a bona fide farm purpose under G.S. 160D-903(a).
    • Qualifying farm buildings remain subject to specified annual safety inspections for grandstands, bleachers, or other spectator-seating structures.
    • A produce display and sale structure must be no more than 1,000 square feet, open to the public no more than 180 days per year, and certified as a Certified Roadside Farm Market.
    • Certain agricultural storage buildings must be surrounded and adjoined by public ways and yards at least 60 feet wide and must display the required Ag. Exempt placard.

    maximum produce-market area: <= 1000 square feet (Structure must also be open to the public no more than 180 days per year and certified by the Department of Agriculture and Consumer Services as a Certified Roadside Farm Market.) · minimum surrounding public ways and yards: >= 60 feet (Applies to qualifying agricultural storage buildings; required Ag. Exempt placard must also be posted.)

    “Building rules do not apply to (i) farm buildings that are located outside the building-rules jurisdiction of any municipality,”
    One more reviewed finding on this topic
    • Available (with conditions) — Bona fide farm property subject to county zoning, and qualifying bona fide farm property in a city's extraterritorial planning and development regulation jurisdiction.
      “County zoning regulations may not affect property used for bona fide farm purposes;”
  • Building in a floodplainRequired

    Development activities in Special Flood Hazard Areas statewide, including new buildings, additions, improvements, renovations, repairs, manufactured homes, subdivisions, temporary or accessory structures, agricultural buildings, roads, bridges, culverts, fill, grading, excavation, mining, dredging, stream-channel alterations, and drilling.

    • The cited guidance states that the local community’s floodplain development permitting process applies.
    • Local communities may have additional situations requiring a Floodplain Development Permit.
    • The permit review addresses whether the site is in a mapped FEMA floodplain or floodway, whether other state and federal permits have been obtained, flood safety, site-plan information, substantial improvements, additions, elevation of buildings and utilities, manufactured-home elevation and anchoring, foundations, and possible Elevation Certificate requirements.
    “The following development activities require a Floodplain Development Permit. The Code of Federal Regulations defines “development” as any man-made change to improved or unimproved real estate, including but not limited to dredging, filling, grading, paving, excavation, or drilling operations or storage of equipment or materials. Keep in mind that your local community may have additional situations that stipulate the need for a Floodplain Development Permit.”
  • Permit feesPublished (with conditions)

    North Carolina Coastal Area Management Act development permits administered by the Division of Coastal Management.

    • Fees vary by permit type and project characteristics.
    • The cited schedule lists Minor Permit at $119, major private non-commercial development without wetland or open-water filling or excavation at $297, major public or commercial development or certain smaller filling or excavation projects at $474, and larger filling or excavation projects at $563.

    minor permit fee: 119 USD · major permit fee for private non-commercial development without wetland or open-water filling or excavation: 297 USD · major permit fee for public or commercial development or qualifying smaller filling or excavation: 474 USD · major permit fee for filling or excavation exceeding one acre of wetlands or open-water areas or 150 linear feet of stream: 563 USD

    “Minor Permit | $119 Major Permit for private, non-commercial development that does not involve the filling or excavation of wetlands or open-water areas | $297 Major Permit for public or commercial development, or projects that involve the filling or excavation of: A) one acre or less of wetlands or open-water areas, or B) less than 150 linear feet of stream | $474 Major Permit for development that involves the filling or excavation of more than one acre of wetlands or open-water areas, or 150 linear feet or more of stream | $563”
  • Campground & park staysLimited

    Camping and habitation within the boundaries of North Carolina Coastal Reserve components.

    • Camping and habitation are prohibited on Reserve uplands and wetlands except on the uplands at Masonboro Island Reserve.
    • Masonboro Island camping is limited to no more than two consecutive nights.
    • The rule applies to the Reserve components identified in 15A NCAC 07O .0105.

    maximum camping duration at Masonboro Island Reserve: <= 2 consecutive nights (Applies only on the uplands at Masonboro Island Reserve.)

    “Camping or any form of habitation on the uplands or wetlands of the Reserve is prohibited except on the uplands at the Masonboro Island Reserve, where camping is allowed for no more than two consecutive nights.”
  • county zoning authorityGeneral

    North Carolina counties adopting zoning or subdivision regulations in their county planning and development regulation jurisdiction, including unincorporated areas not subject to municipal planning and development regulation jurisdiction.

    • County powers under Chapter 160D may be exercised throughout the county except in areas subject to municipal planning and development regulation jurisdiction.
    • A county may apply zoning or subdivision regulations to all or part of its county planning and development regulation jurisdiction.
    • The local government's planning and development regulation jurisdiction does not include an area ceded pursuant to an agreement under G.S. 160D-203.
    “(b) Counties. - All of the powers granted by this Chapter may be exercised by any county throughout the county except in areas subject to municipal planning and development regulation jurisdiction. (c) Partial Jurisdiction Regulation in Cities and Counties. - If a city elects to adopt zoning or subdivision regulations, each must be applied to the city's entire planning and development regulation jurisdiction. If a county elects to adopt zoning or subdivision regulations, each may be applied to all or part of the county's planning and development regulation jurisdiction.”
  • county building authorityLimited

    County building-permit requirements and local building-related codes for residential construction in North Carolina, including unincorporated areas.

    • The North Carolina State Building Code applies throughout the State from the time of adoption.
    • Any political subdivision, including a county, may adopt a fire prevention code and floodplain management regulations within its jurisdiction.
    • Local fire-prevention-code provisions may not apply to dwellings subject to the North Carolina Residential Code unless they are prescriptively required by that Code.
    • County jurisdiction for the State Building Code includes all other areas of the county after municipal corporate limits and qualifying extraterritorial jurisdiction are excluded.
    • Local codes or regulations, other than floodplain management regulations and regulations permitted by G.S. 160D-1128, require official approval by the responsible Code Council before becoming effective.
    • Construction, reconstruction, alteration, repair, movement, removal, or demolition of a building or structure generally requires permits before work begins, subject to the statutory exceptions in G.S. 160D-1110(c) and G.S. 160D-1110.1(h).
    “(e) Effect upon Local Codes. - Except as otherwise provided in this section, the North Carolina State Building Code shall apply throughout the State, from the time of its adoption. Approved rules shall become effective in accordance with G.S. 150B-21.3. However, any political subdivision of the State may adopt a fire prevention code and floodplain management regulations within its jurisdiction. Provided a political subdivision shall not adopt local fire prevention code provisions which apply to dwellings subject to the North Carolina Residential Code which are not prescriptively required by the North Carolina Residential Code. The territorial jurisdiction of any municipality or county for this purpose, unless otherwise specified by the General Assembly, shall be as follows: Municipal jurisdiction shall include all areas within the corporate limits of the municipality and extraterritorial jurisdiction areas established as provided in G.S. 160D-202 or a local act; county jurisdiction shall include all other areas of the county.”

Still unanswered

We looked and could not find an official answer yet. Silence is not permission — ask the county directly.

  • Minimum dwelling size — Minimum dwelling size requirements.
  • Lot coverage — Lot-coverage limits.
  • Building height — Building-height limits.
  • Living in an RV — Long-term or residential RV occupancy on private land.
  • Camping on your land — Temporary camping on private land.
1 more unanswered
  • Short-term rentals

Each answer was extracted from an official source and independently re-checked against that source by a second reviewer. That is an evidence check, not legal advice. Rules change; confirm with the authority before you buy or build.

Living off-grid in Johnston County, North Carolina

Is Johnston County a good place to live off-grid or homestead?

Johnston County scores 49/100 on the Bolthole Index, a solid county profile. Its strengths: strong self-sufficiency basics: 48.9″/yr rainfall plus 57.5% wooded land and mixed durability signals. Watch-outs: about 266,415 people within a 30-minute drive and more administrative friction around building and land use.

Do you need a building permit in Johnston County, North Carolina?

Johnston County generally requires a residential building permit, and it enforces county zoning. Onsite septic is permitted by Johnston County Environmental Health Department. Owner-builders may act as their own contractor to build their home. These answers are quoted from official sources and independently re-checked. Rules change and cities within the county differ — always confirm with the county before you buy or build.

How much does land cost in Johnston County, North Carolina?

Land in Johnston County runs about $6,813 per acre, based on the latest county data.

What is the water situation in Johnston County?

Johnston County gets about 48.9" of rain a year, with severe drought in roughly 1.6% of years.

How remote is Johnston County?

A representative private-land location has about 266,415 people within a 30-minute drive and 6,011,004 within two hours. The road-network catchments count population across county lines and clusters of smaller cities; straight-line radius values remain available as a comparison.

Off-grid gear

Going off-grid in Johnston County means bringing your own water and power. The kit we’d start with:

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How Johnston compares in North Carolina

Compare side-by-side →See all 100 North Carolina counties ranked →