Durham County, North Carolina requires a building permit for a new primary home, and its application is also required for all nonresidential structures1. The joint City-County Building & Safety Department handles permits, inspections and zoning enforcement for both the city and county23. Durham County Public Health handles onsite wastewater and private-well oversight4.
At a glance
- Building permit
- Required for new primary homes and all nonresidential structures1
- Zoning
- Enforced for both the City and County of Durham by City-County Building & Safety32
- Septic permits
- Handled by Durham County Public Health's On-Site Water Protection section45
- Owner-builder
- Available with an affidavit, personal supervision and occupancy conditions6
- Tiny home
- The state code recognizes a single dwelling unit up to 400 sq ft, subject to local rules7
- RV living
- A Durham County rule could not be confirmed; ask Building & Safety2
- Septic-suitable soil
- 29.1% of county soil is rated without severe limits for a conventional drain field8
Who to call
Building permits
Durham City-County Building & Safety Department
Building, electrical, plumbing and mechanical permits, plan review, inspections, and zoning-ordinance enforcement for both the City and County of Durham
101 City Hall Plaza, Durham, NC 27701
Septic permits
Durham County Public Health — On-Site Water Protection
Site evaluations and permits for septic systems and private wells, plus septic/well construction inspections and well water testing, countywide
414 East Main Street, Durham, NC 27701
Contact details are copied from each office’s official page and were checked against it on September 29, 2026.
Do you need a building permit in Durham County, North Carolina?
Yes for a new primary home: Durham County's application is required for every new residential primary structure and every nonresidential structure1. Separate permits are required for each trade, and those trade permits are not issued before the related building permit1. North Carolina law also generally requires permits before construction, reconstruction, alteration, repair, movement, removal or demolition, subject to statutory exceptions9. One exception can cover qualifying work costing $40,000 or less, but not work affecting specified structural, plumbing, mechanical, electrical, roofing or fire-code elements10. Ask City-County Building & Safety to classify a repair or accessory project before starting2.
Who is the Durham County building department, and how do you reach it?
The Durham City-County Building & Safety Department serves both the City and County of Durham from 101 City Hall Plaza, Durham, NC 27701; call 919-560-41442. The department provides permitting, plan review and inspection services and enforces the state building code and both city and county zoning ordinances2. Durham requires inspections for permitted construction, and an owner using the contractor-licensure exemption generally must be personally present for required inspections unless a licensed architect drew and sealed the plans116. For single-family residential permits in the city process, certificate-of-occupancy inspections are generally completed within two working days after the request is entered12. For other locations or project types, ask Building & Safety what closeout process applies2.
Does Durham County have zoning?
Yes. City-County Building & Safety enforces zoning ordinances for both the City and County of Durham32. The Unified Development Ordinance also regulates subdivision and physical development, replacing the former separate zoning and subdivision ordinances13. The reviewed rules do not establish countywide numbers for minimum house size, lot size, setbacks, lot coverage or building height, so have Building & Safety check the parcel and proposed use before designing the site2. North Carolina's bona fide farm exemption can remove qualifying farm property from county zoning, including a code-compliant farm residence occupied by the farm owner, lessee or operator, but the property and use must meet the statutory conditions14.
How do septic and well permits work in Durham County?
Durham County Public Health's On-Site Water Protection section oversees onsite wastewater and private wells; call 919-560-7800 or email [email protected]45. The section performs site evaluations for septic and well permits and construction inspections for both systems5. Published fees are nonrefundable and include a $250 improvement permit fee under the stated two-acre limit, construction authorization fees from $200 to $525 by type, and a $425 well permit fee15. Only 29.1% of Durham County soil is rated without severe limits for a conventional drain field, so obtain the site evaluation before fixing the house location8. State law requires the applicable septic authorization before installation or repair and an operation permit before occupancy or use, subject to listed paths and exceptions1617.
Can you live in an RV or tiny home on your land in Durham County?
North Carolina's Residential Code recognizes a tiny house used as one dwelling unit with no more than 400 square feet of floor area, excluding lofts, but Durham zoning, permitting and wastewater requirements still apply73. A manufactured home also has a statewide permitting path, while local zoning controls where it may be placed18. We could not confirm a Durham County rule authorizing long-term RV living or temporary camping on private land, so ask City-County Building & Safety about the parcel and intended duration before buying or moving an RV onsite2. We also could not confirm Durham-specific occupancy rules for accessory dwellings or a countywide minimum dwelling size; Building & Safety is the office to ask2. Portable sanitation cannot substitute for permanent facilities where the state building code requires a permanent connection19.
Building a home in Durham County: the steps, in order
- Ask City-County Building & Safety to confirm zoning, subdivision status and development standards313.
- Have On-Site Water Protection evaluate an unsewered site before finalizing the house location58.
- Determine whether sewer, water, gas and other utilities are available20.
- Submit the building application and required site plan; nonresidential work needs a site plan unless written verification says otherwise20.
- If acting as your own general contractor, file the affidavit and plan to supervise personally, attend required inspections and occupy the building for 12 months without offering it for rent, lease or sale6.
- Obtain separate trade permits and schedule building and septic inspections1115.
- Secure the septic operation permit and applicable occupancy approval before moving in1721.
What should you check before buying land in Durham County?
Start with zoning, legal subdivision status and septic suitability because each can change where or whether a planned home fits3138. Check the FEMA map before grading or adding small improvements: development or disturbance in a mapped floodplain is regulated, and even fences, trails, sheds, picnic tables and swimming pools may require permits22. Confirm legal road access too. Durham's reviewed driveway record addresses connections examined during the City of Durham home and commercial certificate-of-occupancy process, but it does not establish the permit authority for every county parcel23. Ask Building & Safety which road owner must approve your driveway2. Budget for carrying costs: Durham County's median property-tax bill is about $2,951 per year, and its effective property-tax rate is about 0.8%2425.
Watch-outs
- A Durham building application that does not reach issued status within six months expires, and each trade requires a separate permit20.
- The owner-builder exemption requires personal supervision and generally personal attendance at inspections, followed by 12 months of occupancy without offering the building for rent, lease or sale6.
- Floodplain controls can reach fences, trails, sheds, picnic tables and pools in FEMA-mapped areas22.
Sources
- Building Permit Application, quoted and re-checked
- Durham City-County Building & Safety Department (dconc.gov)
- City-County Building & Safety, quoted and re-checked
- On Site Water Protection, quoted and re-checked
- Durham County Public Health — On-Site Water Protection (dconc.gov)
- Owner Exemption Affidavit, quoted and re-checked
- 2024 North Carolina Residential Code, Appendix AQ Tiny Houses (North Carolina statewide rule), quoted and re-checked
- Share of soils without severe limits for a conventional septic drain field (USDA SSURGO): Bolthole Index county data
- G.S. 143-138, North Carolina State Building Code (North Carolina statewide rule), quoted and re-checked
- G.S. 160D-1110. Building permits. (North Carolina statewide rule), quoted and re-checked
- City-County Building & Safety, quoted and re-checked
- Planning & Infrastructure Inspections, quoted and re-checked
- Unified Development Ordinance (UDO), quoted and re-checked
- G.S. 160D-903. Agricultural uses (North Carolina statewide rule), quoted and re-checked
- Fee Schedule, quoted and re-checked
- G.S. 130A-336. Improvement permit and construction authorization required (North Carolina statewide rule), quoted and re-checked
- G.S. 130A-337. Inspection; operation permit required (North Carolina statewide rule), quoted and re-checked
- State of North Carolina Regulations for Manufactured Homes, 2019 Edition (North Carolina statewide rule), quoted and re-checked
- G.S. 130A-335 PDF, subsection (h) (North Carolina statewide rule), quoted and re-checked
- Building Permit Application, quoted and re-checked
- G.S. 160D-1116. Certificates of compliance; temporary certificates of occupancy. (North Carolina statewide rule), quoted and re-checked
- Private Lot Drainage, quoted and re-checked
- Planning & Infrastructure Inspections, quoted and re-checked
- Median property tax bill: Bolthole Index county data
- Effective property tax rate: Bolthole Index county data
Written September 29, 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.