Cowlitz County

WashingtonPopulation: 110,621
43
/100
Avoid
#721 of 1,000 counties
#25 in Washington (39 counties)
Analysis by RentalCalcs ResearchIndependent data + algorithm-driven scoring
Updated October 20, 2026Sources: Zillow ZHVI, Zillow ZORI, US Census ACS, Tax Foundation

Market Snapshot

$417,827
Median Home Price
82% above national median
$1,417/mo
Median Rent
2% below national median
4.07%
Rent-to-Price Ratio
Top 92% nationally
-$1,269
Est. Monthly Cash Flow
With 20% down at 6.9% rate

Cowlitz market analysis

Cowlitz County sits at the difficult end of Washington's cash-flow spectrum. At a median home price of $417,827 and median rent of $1,417, the gross rent-to-price ratio comes in at 4.07%, which is thin enough that the math rarely works on a leveraged deal. Run the standard underwrite at 20% down ($83,565), a 6.85% rate, and monthly mortgage service of $2,190, and you're looking at estimated cash flow of negative $1,269 per month and a cash-on-cash return of -15.85%. The cap rate of 2.65% tells the same story from the asset side: you are paying an appreciation-grade multiple for a market that isn't delivering appreciation-grade price growth. Year-over-year home price change sits at essentially flat, 0.07%, which means you're getting neither the cash flow nor the price appreciation that would justify accepting one in exchange for the other. The overall score of 43 out of 100, placing Cowlitz at the 8th percentile nationally and 25th out of 39 Washington counties, reflects that uncomfortable combination.

This market, at current prices and rates, does not suit a cash-flow buyer operating with leverage. The negative $1,269 monthly shortfall is not a rounding error to be optimized away with better management; it is structural, driven by the mismatch between purchase prices and rents. An appreciation buyer has a harder case to make here as well, given the near-zero price growth over the past year and an affordability index of just 40, which signals that the pool of owner-occupant buyers who might bid prices up is constrained. The investor with the clearest potential path is a value-add operator who can acquire distressed or underpriced assets below the $418K median, force appreciation through renovation, and either refinance into a better cost basis or sell to a retail buyer. Even then, the exit requires a buyer pool willing to pay close to median, and that affordability index suggests some friction there. All three investor profiles face meaningful headwinds in Cowlitz at current market pricing.

On carry costs, the combined monthly tax and insurance figure of $414 is already baked into the $496 estimated monthly expense figure used in the cash-flow calculation above. Washington's state-average effective property tax rate used here is 0.98%, flagged as normal, and that's reflected in an estimated annual tax bill of $4,095. Because the rate falls in normal territory, it neither adds unusual drag nor provides a tailwind worth underwriting around. The standard caveat applies: this is a state-average estimate from Tax Foundation 2024, and actual county or township assessments in Cowlitz may differ, so pull the current mill rate for any specific parcel before finalizing your numbers.

The neighbor comparison is clarifying. Spokane County, at a median of $412,282 and a rent-to-price ratio of 4.39%, offers a nearly identical price point with meaningfully better rent yield and scores a 44 overall versus Cowlitz's 43. For a cash-flow-oriented investor choosing between markets at similar price points, Spokane's ratio advantage is real and worth pursuing. Pierce County ($555,177 median, 4.23% ratio) and Clark County ($537,646 median, 4.24% ratio) both carry higher entry prices but generate rents north of $1,897, which compresses the cash-flow gap somewhat and places them in the Portland-metro and Tacoma-metro demand corridors. Skagit County ($570,386, 4.35% ratio, overall score 45) and Jefferson County ($604,961, overall score 44) are pricier still. The honest case for choosing Cowlitz over its neighbors comes down to price: if an investor has a specific off-market or distressed opportunity well below the median, Cowlitz's lower absolute entry cost relative to Pierce, Clark, Skagit, or Jefferson could make sense. But choosing Cowlitz over Spokane at comparable prices requires a conviction about local demand that the current rent levels do not support on paper.

Last analyzed October 20, 2026. Based on the latest available Zillow and Census data for Cowlitz County.

Scenario comparison

Same $1,417/mo rent assumption, 20% down, 6.85% rate. What changes is the acquisition price.
ScenarioPurchase priceMonthly cash flowCap rateCash-on-cash
75% of median
value-add or distressed
$313,370-$722/mo3.5%-12.0%
Median
typical MLS deal
$417,827-$1,269/mo2.6%-15.8%
125% of median
newer / premium
$522,284-$1,817/mo2.1%-18.1%

Price History

Median Home Price

Median Rent

Historical data from Zillow ZHVI/ZORI

Quick Investment Calculator

20%
5%50%100%

Purchase

Purchase Price$417,827
Down Payment (20%)$83,565
Loan Amount$334,262
Interest Rate6.85%

Monthly Cash Flow

Gross Rent+$1,417
Monthly P&I-$2,190
Est. Expenses (35%)-$496
Net Cash Flow-$1,269/mo
2.6%
Cap Rate (all cash)
-15.8%
Cash-on-Cash Return
4.07%
Rent-to-Price Ratio
Negative leverage: At 6.85% rates, borrowing costs exceed the 2.6% cap rate. All-cash buyers may see better returns.

* Based on county median values. 35% expenses include taxes, insurance, maintenance, vacancy, and property management. Actual results vary by property.

Score Breakdown

Overall Investment Score
43/100
43
Cash Flow(30%)
31/100

Based on 4.07% rent-to-price ratio. Higher ratios indicate stronger cash flow potential.

Appreciation(25%)
51/100

Based on 0.1% YoY price growth. Moderate growth (3-8%) scores highest.

Stability(25%)
50/100

Population data not available.

Affordability(20%)
40/100

Based on price relative to estimated local incomes.

Scores are calculated using real Zillow home value and rent data, Census population data, and economic indicators. The weighted average produces the overall investment score. Markets with missing rent data use estimated values based on regional averages.

Investment Outlook

Strengths

  • +Complete rent data available

Challenges

  • -Below-average rent-to-price ratio (4.07%)
  • -Negative cash flow at typical financing (-$1,269/mo)
  • -Negative leverage (cap rate 2.6% < mortgage rate 6.9%)

Economic Indicators

Population
110,621
Median Income
—
Data pending
Unemployment Rate
—
Data pending
Price-to-Income
—
Data pending

Who this market fits

Best for
  • +All-cash buyers: removing debt service flips the cap rate to actual yield
Skip if
  • −You need positive cash flow on day one at typical leverage
  • −You can't tolerate negative leverage (cap rate below mortgage rate today)
  • −You want a market with broad institutional consensus on fundamentals

Compare to Nearby Counties

CountyVerdict
SkagitWA
45$570,386$2,0684.35%HoldView
JeffersonWA
44$604,961Est. pending—AvoidView
SpokaneWA
44$412,282$1,5104.39%AvoidView
CurrentCowlitzWA
43$417,827$1,4174.07%Avoid
PierceWA
42$555,177$1,9574.23%AvoidView
ClarkWA
42$537,646$1,8984.24%AvoidView

Section 8 in Cowlitz County: payment standards by ZIP, PHA waitlist status, and voucher counts are on VoucherMatch, the same HUD dataset with the tenant demand side attached.

The Bottom Line

AvoidCowlitz may be challenging for traditional rentals. High prices or low rents make cash flow difficult.

Cowlitz County in Washington scores 43/100, ranking #721 of 1,000 US counties (top 92%). At 20% down and current rates, a median-priced rental loses about $1269/month; the 4.07% gross rent-to-price ratio doesn't survive debt service. The thesis here is appreciation, value-add, house hacking, or all-cash.

Monthly Cash Flow
$-1,269/mo
Cap Rate
2.6%
Cash-on-Cash
-15.8%

Related markets

Frequently asked questions

The average cap rate in Cowlitz County is 2.65%, which is quite low and indicates minimal cash flow potential on median-priced rentals. This cap rate reflects the gap between median rents ($1,417/month) and property prices ($417,827), making it a challenging market for traditional buy-and-hold cash flow investors.

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