Home services · County · Louisiana
HVAC and plumbing companies in Jefferson Parish, LA
Competitor counts, household spending and official business counts for HVAC and plumbing companies in Jefferson Parish, LA, set against other counties and the U.S.
Groundwork market score · out of 100
Score 21 out of 100: Low
Ranked #1,639 of 1,707 scored counties
#33 of 37 scored counties in Louisiana
- Listings
- 173
- 10 chain locations (6%)
- Official establishments
- 240
- +14.8% since 2019
- Household spending a year
- $485.4M
- On home repairs, maintenance and insurance · $2,742 a household
- Spending per listing
- $2.8M
- 41% below the U.S.
- Listings per 10k households
- 9.8
- 56% above the U.S.
- Population, 2025
- 431,398
- −1.9% since 2020
See the HVAC and plumbing companies around any address in Jefferson Parish
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 Jefferson Parish. 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
Jefferson Parish scores 21 (low) on the Groundwork market score for HVAC and plumbing companies, ranking #1,639 of 1,707 scored counties and #33 of 37 scored counties in Louisiana. That puts it in the bottom quarter of counties.
Households in Jefferson Parish spend about $485.4M a year on home repairs, maintenance and insurance, or $2,742 per household, 9% below the U.S. average. That works out to $2.8M per company, 41% below the U.S. figure of $4.8M. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.
There are 173 HVAC and plumbing companies on map listings in Jefferson Parish as of September 2026. Of those, 10 are chain locations, or 6%, against 4% across the U.S. That comes to 9.8 for every 10,000 households, 56% above the U.S. rate of 6.3.
Official counts show 240 businesses with payroll classed as plumbing, heating and air-conditioning contractors in Jefferson Parish in 2023, up 14.8% from 2019. That is one for every 738 households, against one for every 1,162 across the U.S. Since fiscal 2022, 5 SBA-backed loans worth $738K have gone to businesses classed as plumbing, heating and air-conditioning contractors in Jefferson Parish. Between 2020 and 2025, the population of Jefferson Parish declined 1.9%, against +3.1% for the U.S.
How Jefferson Parish compares
The same measures for Louisiana 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 | Jefferson Parish | Louisiana | U.S. |
|---|---|---|---|
| Listings per 10k households | 9.8 | 6.7 | 6.3 |
| Spending per listing | $2.8M | $3.9M | $4.8M |
| Households per official establishment | 738 | 1,112 | 1,162 |
| Official establishment growth, 2019–2023 | +14.8% | +13.0% | +7.6% |
| Population growth, 2020–2025 | −1.9% | −0.7% | +3.1% |
| Spending per household on home repairs, maintenance and insurance | $2,742 | $2,650 | $3,018 |
| Median household income | $65,252 | $60,756 | $80,734 |
| Groundwork market score | 21 | 19 |
Official counts and lending
Businesses
- Official establishments, 2019 to 2023
- 209 → 240+14.8% over the period
- Employees, 2023
- 2,185
- Annual payroll, 2023
- $144.4M
- One-person businesses, 2023
- Not publishedNot published for this business type
- Map listings, September 2026
- 17310 chain locations
- Listings at the U.S. rate for this spending
- 102The U.S. ratio of listings to household spending, applied here
SBA-backed loans since fiscal 2022
- Loans
- 5
- Amount
- $738K
SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Jefferson Parish, 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 Jefferson Parish
- Population, 2025 estimate
- 431,398−1.9% since 2020
- Households
- 177,003
- Median age
- 41.0
- Homes lived in by their owners
- 63%
- Vehicles per household
- 1.6
- Land area
- 301 sq. mi.
- People per square mile
- 1,432
- Median household income
- $65,252+20.8% vs. 2015–2019, before inflation
- Average household income
- $92,680
- Median home value
- $251,400
- Jobs located here
- 200,099
- Daytime population
- 450,992Residents who don’t work, plus everyone whose job is here
Looking at a specific site in Jefferson Parish?
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 Jefferson Parish. 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 Louisiana
Every Louisiana market ranked →The highest-scoring counties in Louisiana for HVAC and plumbing companies, numbered among those based in Louisiana, with Jefferson Parish marked.
Top counties in Louisiana
| Market | Score | Listings | Per 10k households | Spending per listing | Population growth | U.S. rank |
|---|---|---|---|---|---|---|
| 1Ascension Parish, LA | 76 | 26 | 5.5 | $5.9M | +6.4% | #100 of 1,707 |
| 2West Baton Rouge Parish, LA | 75 | 6 | 5.5 | $5.2M | +5.5% | #125 of 1,707 |
| 3Orleans Parish, LA | 69 | 40 | 2.6 | $10.3M | −5.5% | #222 of 1,707 |
| 4St. Martin Parish, LA | 57 | 5 | 2.6 | $9.8M | −1.0% | #592 of 1,707 |
| 5Evangeline Parish, LA | 52 | 5 | 4.0 | $5.7M | −1.0% | #772 of 1,707 |
| 6Vermilion Parish, LA | 51 | 9 | 4.1 | $6M | +1.3% | #805 of 1,707 |
| 7De Soto Parish, LA | 50 | 5 | 4.8 | $5.1M | +2.0% | #847 of 1,707 |
| 8St. John the Baptist Parish, LA | 50 | 8 | 5.3 | $4.9M | −5.9% | #850 of 1,707 |
| 9Webster Parish, LA | 49 | 5 | 3.5 | $6.4M | −5.2% | #878 of 1,707 |
| 10East Baton Rouge Parish, LA | 48 | 126 | 7.1 | $3.9M | +0.1% | #930 of 1,707 |
| 33Jefferson Parish, LA | 21 | 173 | 9.8 | $2.8M | −1.9% | #1,639 of 1,707 |
Other business types in Jefferson Parish
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 trades22
- HVAC and plumbing21
- Electricians28
- Roofing and gutters29
- Lawn, cleaning and pest control55
- Landscaping and lawn care67
- House cleaning43
- Pest control39
Real estate
Funeral services
Questions
How many HVAC and plumbing companies are in Jefferson Parish, LA?
As of September 2026, map listings count 173 HVAC and plumbing companies in Jefferson Parish. 10 of them (6%) are chain locations. The listings count heating and air-conditioning companies and plumbers. Official counts show 240 businesses with payroll classed as plumbing, heating and air-conditioning contractors in 2023, up 14.8% from 2019.
How much do households in Jefferson Parish, LA spend on home repairs, maintenance and insurance?
About $485.4M a year, or $2,742 per household. That is 9% below the U.S. average (an index of 91, where 100 is the U.S. average). Spread across the 173 HVAC and plumbing companies on map listings, it comes to $2.8M per company. That spending covers all home repairs, maintenance and insurance, which HVAC and plumbing companies share with other businesses in the trade. It is estimated from the incomes of the 177,003 households in Jefferson Parish and national spending patterns by income.
How does Jefferson Parish, LA compare with the U.S. for HVAC and plumbing companies?
Jefferson Parish has 9.8 HVAC and plumbing companies per 10,000 households, 56% above the U.S. rate of 6.3. Spending per company is $2.8M, 41% below the U.S. figure of $4.8M. At the U.S. ratio of HVAC and plumbing companies to household spending, Jefferson Parish would have about 102, against 173 on map listings. There is one business with payroll in the industry for every 738 households, against one for every 1,162 across the U.S. The official count rose 14.8% from 2019 to 2023, against +7.6% for the U.S.
How fast is Jefferson Parish, LA growing?
Population estimates put Jefferson Parish at 431,398 people in 2025, down 1.9% since 2020, against +3.1% for the U.S. It has 177,003 households. Median household income in Jefferson Parish is $65,252, 19% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 20.8%, 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. Jefferson Parish scores 21 for HVAC and plumbing companies (low), #1,639 of 1,707 scored counties.
How can I see the market around a specific site?
Run a Groundwork site report on an address in Jefferson Parish. 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 Jefferson Parish
Screening a site or an acquisition in Jefferson Parish?
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 Jefferson Parish. 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.