Onslow County, NC Property Tax: $1,431/yr (2026)
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The effective property tax rate in Onslow County is 0.65% of assessed home value. On a home at the county median value of $219,500, that works out to about $1,427 per year, or $119 per month. Onslow County is located in southeastern North Carolina, and is home to approximately 208,537 residents.
About Onslow County
Onslow County covers approximately 762.1 square miles in North Carolina. The county is home to about 208,537 residents living in roughly 85,917 housing units, of which 51.5% are owner-occupied. The median household income is $64,568, and the median home was built in 1997.
Onslow County borders Carteret County, Duplin County, Jones County, Pender County — useful comparisons if you're considering nearby areas with potentially different tax rates.
How Property Taxes Work in North Carolina
Property taxes in North Carolina are administered at the county level. Each county sets a millage rate applied to the assessed value of real property — the effective rate above accounts for any partial assessments and exemptions already built into the local tax base. Assessed value can differ meaningfully from current market value depending on how often the county reassesses and what fraction of market value it uses.
Most counties in North Carolina offer exemptions that reduce the taxable assessed value: homestead exemptions for primary residences, senior exemptions, disability exemptions, and veteran exemptions are common. These reduce your effective rate below the county-wide average shown here. Contact the Onslow County Assessor's office to learn which exemptions apply to your property and when to file.
Onslow County vs. Neighboring Counties
| Location | Eff. Rate | Median Home | Annual Tax |
|---|---|---|---|
| Onslow County, NC | 0.65% | $219,500 | $1,427 |
| North Carolina state average | 0.70% | — | $1,537* |
| Carteret County | 0.45% | $304,200 | $1,369 |
| Duplin County | 0.74% | $123,200 | $912 |
| Jones County | 0.76% | $122,600 | $926 |
| Pender County | 0.70% | $267,100 | $1,858 |
| US national average | 1.10% | $281,900 | $3,101 |
*State average annual tax computed at Onslow County's median home value of $219,500. Source: US Census ACS 2023 5-year estimates.
Frequently Asked Questions
How does Onslow County's property tax rate compare to the rest of North Carolina?
At 0.65%, Onslow County is lower than the North Carolina state average of 0.70%. On a home at the county median of $219,500, that means about $1,427 per year — versus $1,537 at the state average rate, a difference of $110 per year. Compared to the national average of 1.10%, Onslow County is below average.
What's a typical annual property tax bill in Onslow County?
For a home at the county median value of $219,500, the annual property tax in Onslow County is approximately $1,427 — or about $119 per month. For a home worth $329,250, expect around $2,140 per year. For a $439,000 home, approximately $2,854 per year. Use the calculator above to estimate taxes for any assessed value.
Where do I appeal a Onslow County property tax assessment?
Property assessment appeals in Onslow County are handled by the Onslow County Assessor's office. Most jurisdictions require filing within 30–90 days of receiving your assessment notice — confirm the specific deadline with the assessor's office before submitting, as deadlines and procedures vary by county. A successful appeal can reduce your assessed value and lower your tax bill for the current and future tax years.
What exemptions are available in Onslow County?
North Carolina counties commonly offer homestead exemptions for owner-occupied primary residences, senior citizen exemptions for qualifying homeowners aged 65 and older, exemptions for disabled residents, and veterans' exemptions. Each exemption reduces your assessed taxable value, which in turn reduces your effective tax rate below the county-wide 0.65% shown here. Contact the Onslow County Assessor's office to confirm which exemptions are available and the application deadlines.
Data sources: US Census Bureau ACS 2023 5-Year Estimates, US Census Gazetteer (2024), County Adjacency File