Groundwork

Real estate · County · Washington

Property management companies in King County, WA

Competitor counts, household spending and official business counts for property management companies in King County, WA, set against other counties and the U.S.

Groundwork market score · out of 100

Score 52 out of 100: Upper middle

Ranked #402 of 910 scored counties
#20 of 24 scored counties in Washington

Listings
357
12 chain locations (3%)
Official establishments
952
−4.7% since 2019
Household spending a year
$20.7B
On rent and homeowner costs · $22,002 a household
Housing spending per listing (U.S. = 100)
104
4% above the U.S.
Listings per 10k households
3.8
27% above the U.S.
Population, 2025
2,344,939
+3.1% since 2020

See the property management companies around any address in King County

The site report maps the property management 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 King 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

Households in King County spend about $20.7B a year on rent and homeowner costs, or $22,002 per household, 32% above the U.S. average. Housing spending per company is 4% above the U.S. figure. The spending figure is all rent and homeowner costs, a measure of housing demand, not money property management companies take in.

There are 357 property management companies on map listings in King County as of September 2026. Chain locations make up 3% of them, against 4% across the U.S. Per 10,000 households, that is 3.8, 27% above the U.S. rate of 3.0.

The official count of businesses with payroll classed as residential and commercial property managers in King County was 952 in 2023, down 4.7% from 2019. That is one for every 989 households, against one for every 1,638 across the U.S. Since fiscal 2022, 6 SBA-backed loans worth $1.3M have gone to businesses classed as residential and commercial property managers in King County.

Population estimates put the population change in King County from 2020 to 2025 at +3.1%, in step with the U.S. (+3.1%). The Groundwork market score for property management companies in King County is 52 (upper middle), #402 of 910 scored counties and #20 of 24 scored counties in Washington.

How King County compares

The same measures for Washington and the whole U.S. Housing spending per listing divides all rent and homeowner costs by the listings counted: a measure of housing demand for each business, not money any of them take in, so it is shown against the U.S. (100) only. Households per establishment divides households by the official count.

Property management in King County, WA compared with Washington and the U.S.
MeasureKing CountyWashingtonU.S.
Listings per 10k households3.83.03.0
Housing spending per listing (U.S. = 100)104117100
Households per official establishment9891,4181,638
Official establishment growth, 2019–2023−4.7%+0.6%+11.4%
Population growth, 2020–2025+3.1%+3.6%+3.1%
Spending per household on rent and homeowner costs$22,002$19,779$16,661
Median household income$124,746$98,141$80,734
Groundwork market score5261

Official counts and lending

Businesses

Official establishments, 2019 to 2023
999 → 952−4.7% over the period
Employees, 2023
10,672
Annual payroll, 2023
$824.5M
One-person businesses, 2023
Not publishedNot published for this business type
Map listings, September 2026
35712 chain locations
Listings at the U.S. rate for this spending
373The U.S. ratio of listings to household spending, applied here

SBA-backed loans since fiscal 2022

Loans
6
Amount
$1.3M

SBA-backed loans to businesses classed as residential and commercial property managers in King 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 King County

Population, 2025 estimate
2,344,939+3.1% since 2020
Households
941,054
Median age
38.8
Homes lived in by their owners
55%
Vehicles per household
1.6
Land area
2,116 sq. mi.
People per square mile
1,081
Median household income
$124,746+31.4% vs. 2015–2019, before inflation
Average household income
$176,807
Median home value
$859,900
Jobs located here
1,503,962
Daytime population
2,645,877Residents who don’t work, plus everyone whose job is here

Looking at a specific site in King 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 property management companies on map listings by name and distance.

Or open the report at the center of King County. Signed out, you see a blurred preview; on an account, each report is one action.

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Property management across Washington

Every Washington market ranked →

The highest-scoring counties in Washington for property management companies, numbered among those based in Washington, with King County marked.

Top counties in Washington

Counties in Washington ranked for property management companies by Groundwork market score
MarketScoreListingsPer 10k householdsHousing spending per listing (U.S. = 100)Population growthU.S. rank
1Cowlitz County, WA7971.6196+3.5%#38 of 910
2Mason County, WA7962.3141+7.8%#43 of 910
3Lewis County, WA7551.5204+6.7%#80 of 910
4Snohomish County, WA73682.2174+4.9%#109 of 910
5Grays Harbor County, WA7162.0150+3.0%#135 of 910
6Chelan County, WA6751.6208+3.3%#166 of 910
7Skagit County, WA67122.3146+2.4%#173 of 910
8Benton County, WA66192.4138+6.9%#186 of 910
9Clallam County, WA6582.3135+1.1%#202 of 910
10Grant County, WA6472.0155+6.3%#218 of 910
20King County, WA523573.8104+3.1%#402 of 910

Other business types in King County

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

Questions

How many property management companies are in King County, WA?

As of September 2026, map listings count 357 property management companies in King County. 12 of them (3%) are chain locations. The listings count property management companies. Official counts show 952 businesses with payroll classed as residential and commercial property managers in 2023, down 4.7% from 2019.

How much do households in King County, WA spend on rent and homeowner costs?

About $20.7B a year, or $22,002 per household. That is 32% above the U.S. average (an index of 132, where 100 is the U.S. average). For the 357 property management companies on map listings, housing spending per company is 4% above the U.S. figure. That figure is all rent and homeowner costs, used as a measure of housing demand; it is not money property management companies take in. It is estimated from the incomes of the 941,054 households in King County and national spending patterns by income.

How does King County, WA compare with the U.S. for property management companies?

King County has 3.8 property management companies per 10,000 households, 27% above the U.S. rate of 3.0. The index of housing spending per company is 104, where 100 is the U.S. At the U.S. ratio of property management companies to household spending, King County would have about 373, against 357 on map listings. There is one business with payroll in the industry for every 989 households, against one for every 1,638 across the U.S. The official count fell 4.7% from 2019 to 2023, against +11.4% for the U.S.

How fast is King County, WA growing?

Population estimates put King County at 2,344,939 people in 2025, up 3.1% since 2020, in step with the U.S. (+3.1%). It has 941,054 households. Median household income in King County is $124,746, 55% above the U.S. median of $80,734. Against the 2015–2019 survey, the median rose 31.4%, 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. King County scores 52 for property management companies (upper middle), #402 of 910 scored counties.

How can I see the market around a specific site?

Run a Groundwork site report on an address in King County. It maps the property management 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 property management companies · All 56 business types in King County

Screening a site or an acquisition in King 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 King 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.