Groundwork

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HVAC and plumbing companies in Trinity County, CA

Competitor counts, household spending and official business counts for HVAC and plumbing companies in Trinity County, CA, set against other counties and the U.S.

Groundwork market score

Not scored

The score needs at least 5 listings; this market has 2.

Listings
2
0 chain locations (0%)
Official establishments
n/a
Fewer than 3, or not published
Household spending a year
$13.5M
On home repairs, maintenance and insurance · $2,421 a household
Spending per listing
$6.8M
Too few listings to compare
Listings per 10k households
3.6
Too few listings to compare
Population, 2025
15,720
−2.3% since 2020

See the HVAC and plumbing companies around any address in Trinity 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 Trinity County. Signed out, you see a blurred preview; on an account, each report is one action.

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Survey estimates 2020–2024 · population estimates 2025 · official business counts 2023 · map listings September 2026 · Data credits · How we measure

What this means

Household spending on home repairs, maintenance and insurance in Trinity County comes to about $13.5M a year: $2,421 per household, 20% below the U.S. average. Spread across 2 HVAC and plumbing companies, that is $6.8M per company. The spending figure covers all home repairs, maintenance and insurance, not only HVAC and plumbing companies.

There are 2 HVAC and plumbing companies on map listings in Trinity County as of September 2026. That is 3.6 per 10,000 households.

Official counts don’t publish a figure for plumbing, heating and air-conditioning contractors in Trinity County, since they leave out counts under 3.

Population estimates show Trinity County declined 2.3% from 2020 to 2025, against +3.1% for the U.S. With 2 HVAC and plumbing companies on map listings, Trinity County isn’t given a market score: the score needs at least 5, since one listing more or less would swing it.

How Trinity County compares

The same measures for California 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.

HVAC and plumbing in Trinity County, CA compared with California and the U.S.
MeasureTrinity CountyCaliforniaU.S.
Listings per 10k households3.66.26.3
Spending per listing$6.8M$5.2M$4.8M
Households per official establishmentn/a1,1591,162
Official establishment growth, 2019–2023n/a+10.4%+7.6%
Population growth, 2020–2025−2.3%−0.4%+3.1%
Spending per household on home repairs, maintenance and insurance$2,421$3,240$3,018
Median household income$53,002$99,122$80,734
Groundwork market scoreNot scored54

Official counts and lending

Businesses

Official establishments, 2019 to 2023
n/a
Employees, 2023
n/a
Annual payroll, 2023
n/a
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
20 chain locations
Listings at the U.S. rate for this spending
3The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
0
Amount
$0

SBA-backed loans to businesses classed as plumbing, heating and air-conditioning contractors in Trinity 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 Trinity County

Population, 2025 estimate
15,720−2.3% since 2020
Households
5,585
Median age
51.9
Homes lived in by their owners
72%
Vehicles per household
1.9
Land area
3,179 sq. mi.
People per square mile
5
Median household income
$53,002+29.8% vs. 2015–2019, before inflation
Average household income
$76,682
Median home value
$325,800
Jobs located here
2,503
Daytime population
15,056Residents who don’t work, plus everyone whose job is here

Looking at a specific site in Trinity 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 Trinity County. Signed out, you see a blurred preview; on an account, each report is one action.

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HVAC and plumbing across California

Every California market ranked →

The highest-scoring counties in California for HVAC and plumbing companies, numbered among those based in California, with Trinity County marked.

Top counties in California

Counties in California ranked for HVAC and plumbing companies by Groundwork market score
MarketScoreListingsPer 10k householdsSpending per listingPopulation growthU.S. rank
1Yolo County, CA81344.4$6.9M+3.1%#52 of 1,707
2San Francisco County, CA78992.7$14M−5.6%#73 of 1,707
3Amador County, CA7663.7$7.7M+3.2%#96 of 1,707
4San Joaquin County, CA741305.3$5.7M+5.5%#136 of 1,707
5Alameda County, CA733175.3$7M−2.6%#149 of 1,707
6Solano County, CA73795.0$6.3M+0.6%#151 of 1,707
7Santa Clara County, CA723885.9$7M−0.9%#165 of 1,707
8Contra Costa County, CA722335.6$6.5M+0.3%#166 of 1,707
9Merced County, CA69344.0$6.5M+5.1%#227 of 1,707
10Madera County, CA66204.4$6.3M+7.4%#291 of 1,707
Trinity County, CANot scored23.6$6.8M−2.3%

Other business types in Trinity County

Each with its Groundwork market score here, out of 100, where it has one.

Questions

How many HVAC and plumbing companies are in Trinity County, CA?

As of September 2026, map listings count 2 HVAC and plumbing companies in Trinity County. The listings count heating and air-conditioning companies and plumbers. No official count is published for plumbing, heating and air-conditioning contractors in Trinity County: counts under 3 are left out.

How much do households in Trinity County, CA spend on home repairs, maintenance and insurance?

About $13.5M a year, or $2,421 per household. That is 20% below the U.S. average (an index of 80, where 100 is the U.S. average). Spread across the 2 HVAC and plumbing companies on map listings, it comes to $6.8M 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 5,585 households in Trinity County and national spending patterns by income.

How does Trinity County, CA compare with the U.S. for HVAC and plumbing companies?

Trinity County has 2 HVAC and plumbing companies on map listings, too few for a steady comparison with the U.S. rate. At the U.S. ratio of HVAC and plumbing companies to household spending, Trinity County would have about 3, against 2 on map listings.

How fast is Trinity County, CA growing?

Population estimates put Trinity County at 15,720 people in 2025, down 2.3% since 2020, against +3.1% for the U.S. It has 5,585 households. Median household income in Trinity County is $53,002, 34% below the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 29.8%, 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. Trinity County has no market score for HVAC and plumbing companies: the score needs at least 5 on map listings, and it has 2.

How can I see the market around a specific site?

Run a Groundwork site report on an address in Trinity 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 Trinity County

Screening a site or an acquisition in Trinity 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 Trinity 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.