Property tax in Columbia County, Washington
A county-level estimate for buyers and owners, with the data vintage and uncertainty shown instead of hidden.
Estimated annual property tax
For a $271,200 home (the county median):
$2,303/yr (estimated range $1,958-$2,648)
Effective rate: 0.8492% - Accuracy: Tier 1 - Medium confidence
Homeowners insurance budget
$510/yr (wide budgeting range $306-$714)
Low confidence This is a historical budgeting benchmark, not a current carrier quote. The baseline is the 2022 NAIC HO-3 state average of $1,151/yr, adjusted for home value and FEMA county risk.
- FEMA risk percentile
- 8.56 (Very Low)
- NAIC baseline as of
- 2022-12-31
- FEMA version
- 1.20, 2025-12-01
Sources: NAIC Homeowners Report; FEMA National Risk Index. TrueCarry's analysis is not endorsed by FEMA.
Insurance disclaimer: Estimate for budgeting only — not an insurance quote and not a binding price. Verify with the county assessor and a licensed professional before making financial decisions.
Illustrative monthly PITI
$1,606/mo under the assumptions below
| Principal & interest | $1,371 |
|---|---|
| Property tax | $192 |
| Homeowners insurance | $43 |
| PMI | $0 |
| Estimated total | $1,606 |
Assumes 20% down, a 6.5% fixed interest rate, and a 30-year term. The rate is an assumption, not today's market rate or a loan offer.
How local carrying costs affect affordability
For an illustrative household earning $100,000/yr, with $500/mo in other debts and a $50,000 down payment, the modeled maximum price is:
$351,262 under this county's tax and insurance burden
Compared with the Washington launch-county average baseline of $352,257, this is $995 lower.
Medium confidence Uses 28% / 36% front/back DTI, a 6.5% assumed rate, a 30-year term, and estimated tax and insurance that scale with price. It is not a loan pre-approval.
Estimate for budgeting only — not a loan pre-approval, lending decision, or financial advice. Verify with the county assessor and a licensed professional before making financial decisions.
Calculate your price and monthly cost
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Source, method & confidence
Confidence: Medium. County-level effective rate derived from ACS medians; not a jurisdiction-specific mill rate.
Data as of 2024-12-31 (ACS period ending); tax year 2024; data version 2024.1.
Sources: U.S. Census Bureau, American Community Survey (ACS) 5-year, table B25103; U.S. Census Bureau, American Community Survey (ACS) 5-year, table B25077.
Assumptions and exclusions
- Effective property-tax rate of 0.8492% applied to the full home value (ACS median tax paid ÷ median home value).
- Uncertainty band of ±15% reflects intra-county variation not captured by a single county rate.
- Excludes special districts, local levies, and any exemptions (estimated separately at higher tiers).
Common questions about Columbia County carrying costs
- What is the property tax rate in Columbia County, Washington?
- The estimated effective property tax rate in Columbia County is 0.8492%. On the county median home value of $271,200, that is about $2,303 per year (estimated range $1,958 to $2,648), based on U.S. Census ACS 2024 data.
- How much is property tax on a $271,200 home in Columbia County?
- About $2,303 per year at a 0.8492% effective rate. Actual bills vary with assessment, exemptions, and local levies, so treat this as a budgeting estimate rather than a tax bill.
- How much is homeowners insurance in Columbia County, Washington?
- A budgeting estimate of $510 per year (wide range $306 to $714), based on the 2022 NAIC HO-3 state average adjusted for FEMA county risk. It is a historical benchmark, not a carrier quote.
- What is the estimated monthly PITI payment for a home in Columbia County?
- About $1,606 per month for a $271,200 home, assuming 20% down, a 6.5% interest rate, and a 30-year term. PITI covers principal, interest, property tax, and homeowners insurance.