Home services · County · North Carolina
HVAC and plumbing companies in Onslow County, NC
Competitor counts, household spending and official business counts for HVAC and plumbing companies in Onslow County, NC, set against other counties and the U.S.
Groundwork market score · out of 100
Score 61 out of 100: Upper middle
Ranked #470 of 1,707 scored counties
#17 of 77 scored counties in North Carolina
- Listings
- 47
- 1 chain location (2%)
- Official establishments
- 58
- +9.4% since 2019
- Household spending a year
- $204.6M
- On home repairs, maintenance and insurance · $2,718 a household
- Spending per listing
- $4.4M
- 9% below the U.S.
- Listings per 10k households
- 6.2
- 2% below the U.S.
- Population, 2025
- 217,175
- +6.0% since 2020
See the HVAC and plumbing companies around any address in Onslow County
The site report maps the HVAC and plumbing companies on map listings near the address, by name and distance, and sizes the households and spending around it. Or open the report at the center of Onslow County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardSurvey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure
What this means
As of September 2026, map listings count 47 HVAC and plumbing companies in Onslow County. One of them (2%) is a chain location, against 4% across the U.S. That is 6.2 per 10,000 households, 2% below the U.S. rate of 6.3.
Household spending on home repairs, maintenance and insurance in Onslow County comes to about $204.6M a year: $2,718 per household, 10% below the U.S. average. That is about $4.4M of household spending for each company on map listings, 9% below the U.S. figure of $4.8M. That spending covers all home repairs, maintenance and insurance, which HVAC and plumbing companies share with other businesses in the trade.
The official count of businesses with payroll classed as plumbing, heating and air-conditioning contractors in Onslow County was 58 in 2023, up 9.4% from 2019. That is one for every 1,298 households, against one for every 1,162 across the U.S. Since fiscal 2022, 1 SBA-backed loan worth $255K has gone to businesses classed as plumbing, heating and air-conditioning contractors in Onslow County.
Between 2020 and 2025, the population of Onslow County grew 6.0%, faster than the U.S. (+3.1%). Onslow County scores 61 (upper middle) on the Groundwork market score for HVAC and plumbing companies, ranking #470 of 1,707 scored counties and #17 of 77 scored counties in North Carolina.
How Onslow County compares
The same measures for North Carolina and the whole U.S. Spending per listing divides a year of household spending on all home repairs, maintenance and insurance by the HVAC and plumbing companies counted, so it measures the demand for each competitor, not any business’s revenue. Households per establishment does the same with the official count.
| Measure | Onslow County | North Carolina | U.S. |
|---|---|---|---|
| Listings per 10k households | 6.2 | 6.3 | 6.3 |
| Spending per listing | $4.4M | $4.6M | $4.8M |
| Households per official establishment | 1,298 | 1,078 | 1,162 |
| Official establishment growth, 2019–2023 | +9.4% | +11.7% | +7.6% |
| Population growth, 2020–2025 | +6.0% | +7.2% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,718 | $2,889 | $3,018 |
| Median household income | $68,148 | $72,388 | $80,734 |
| Groundwork market score | 61 | 53 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 53 → 58+9.4% over the period
- Employees, 2023
- 652
- Annual payroll, 2023
- $35.3M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 471 chain location
- Listings at the U.S. rate for this spending
- 43The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 1
- Amount
- $255K
SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Onslow County, through June 2026, placed by the borrower’s ZIP code. Official establishments are businesses with payroll; the official counts leave out places with fewer than 3.
Population and households in Onslow County
- Population, 2025 estimate
- 217,175+6.0% since 2020
- Households
- 75,265
- Median age
- 30.9
- Homes lived in by their owners
- 64%
- Vehicles per household
- 1.9
- Land area
- 762 sq. mi.
- People per square mile
- 273
- Median household income
- $68,148+35.5% vs. 2015–2019, before inflation
- Average household income
- $85,766
- Median home value
- $236,400
- Jobs located here
- 48,126
- Daytime population
- 192,000Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Onslow County?
These figures cover the whole county. A site report draws rings around one address and counts what’s inside them: households, spending, jobs, and the HVAC and plumbing companies on map listings by name and distance.
Or open the report at the center of Onslow County. Signed out, you see a blurred preview; on an account, each report is one action.
Free10 actions over 3 days, no cardHVAC and plumbing across North Carolina
Every North Carolina market ranked →The highest-scoring counties in North Carolina for HVAC and plumbing companies, numbered among those based in North Carolina, with Onslow County marked.
Top counties in North Carolina
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Durham County, NC | 87 | 68 | 4.8 | $6.5M | +7.7% | #19 of 1,707 |
| 2Mecklenburg County, NC | 86 | 241 | 5.2 | $6.3M | +10.5% | #21 of 1,707 |
| 3Hoke County, NC | 84 | 7 | 3.6 | $7.3M | +9.0% | #29 of 1,707 |
| 4Orange County, NC | 80 | 25 | 4.4 | $7.6M | +6.1% | #61 of 1,707 |
| 5Jackson County, NC | 77 | 7 | 3.8 | $6.7M | +6.9% | #89 of 1,707 |
| 6Chatham County, NC | 77 | 17 | 5.2 | $6.6M | +11.0% | #90 of 1,707 |
| 7Wake County, NC | 76 | 311 | 6.8 | $5.2M | +11.2% | #103 of 1,707 |
| 8Robeson County, NC | 71 | 12 | 2.8 | $7.9M | +3.4% | #180 of 1,707 |
| 9Lincoln County, NC | 71 | 18 | 4.9 | $6.2M | +13.2% | #183 of 1,707 |
| 10Forsyth County, NC | 70 | 84 | 5.3 | $5.3M | +5.0% | #212 of 1,707 |
| 17Onslow County, NC | 61 | 47 | 6.2 | $4.4M | +6.0% | #470 of 1,707 |
Other business types in Onslow County
Each with its Groundwork market score here, out of 100, where it has one.
Food and drink
Groceries and convenience
Auto
Beauty and personal care
Fitness and classes
Health care
Child care
Clothing and laundry
Home services
- Home repair trades63
- HVAC and plumbing61
- Electricians78
- Roofing and gutters59
- Lawn, cleaning and pest control52
- Landscaping and lawn care62
- House cleaning45
- Pest control58
Real estate
Funeral services
Questions
How many HVAC and plumbing companies are in Onslow County, NC?
Onslow County has 47 HVAC and plumbing companies on map listings as of September 2026. One of them (2%) is a chain location. The listings count heating and air-conditioning companies and plumbers. Official counts show 58 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 9.4% from 2019.
How much do households in Onslow County, NC spend on home repairs, maintenance and insurance?
About $204.6M a year, or $2,718 per household. That is 10% below the U.S. average (an index of 90, where 100 is the U.S. average). Spread across the 47 HVAC and plumbing companies on map listings, it comes to $4.4M per company. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies. It is estimated from the incomes of the 75,265 households in Onslow County and national spending patterns by income.
How does Onslow County, NC compare with the U.S. for HVAC and plumbing companies?
Onslow County has 6.2 HVAC and plumbing companies per 10,000 households, 2% below the U.S. rate of 6.3. Spending per company is $4.4M, 9% below the U.S. figure of $4.8M. At the national ratio of HVAC and plumbing companies to household spending, Onslow County would have about 43, against 47 on map listings. There is one business with payroll in the industry for every 1,298 households, against one for every 1,162 across the U.S. The official count rose 9.4% from 2019 to 2023, against +7.6% for the U.S.
How fast is Onslow County, NC growing?
Population estimates put Onslow County at 217,175 people in 2025, up 6.0% since 2020, faster than the U.S. (+3.1%). It has 75,265 households. The median household income in Onslow County is $68,148 a year, 16% below the U.S. median of $80,734. That rose 35.5% from the 2015–2019 survey, before inflation.
What is the Groundwork market score?
The Groundwork market score runs from 0 to 100 and compares a market with others of its kind for one business type: states with states, metro areas with metro areas, small-town markets and counties with their own. It weighs household spending per competitor (35%), households per business with payroll (25%), population growth (20%) and spending power (20%), each ranked against those peers. A higher score means that, taken together, the market has more household spending and more households for each business already there, faster population growth and more spending per household than similar markets. It describes a market, not any one site or deal. Onslow County scores 61 for HVAC and plumbing companies (upper middle), #470 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Onslow County. It maps the HVAC and plumbing companies on map listings near the site and sizes the households and spending within the distance you choose. New accounts get 10 actions over 3 days, no card.
How the score works · Top markets for HVAC and plumbing companies · All 56 business types in Onslow County
Screening a site or an acquisition in Onslow County?
A site report maps the competitors on map listings near an address and sizes the households and spending around it.
The button opens the report at the center of Onslow County. Signed out, you see a blurred preview; on an account, each report is one action.
This product uses the Census Bureau Data API but is not endorsed or certified by the Census Bureau.
Figures are estimates for research only. Not investment or real estate advice.