Grant County, WA

Grant County Property Tax Estimator

Estimate your property taxes in Grant County using the 2026 average effective rate of 0.92% and median home value of $325,000.

Property Details

$

Grant County median: $325,000

%

Grant County average: 0.920%

Washington Property Tax Note

Washington has no state income tax, so local governments rely more heavily on property taxes for revenue. Rates vary significantly between counties and cities.

Your Property Tax Estimate

Annual Tax

$2,990

Monthly Tax

$249

Effective Rate

0.920%

Tax at Different Price Points in Grant County

Home PriceAnnual TaxMonthly Tax
$500,000$4,600$383
$750,000$6,900$575
$1,000,000$9,200$767
$1,500,000$13,800$1,150
$2,000,000$18,400$1,533

Based on 0.920% effective tax rate for Grant County.

Impact on Monthly Mortgage Payment

Property taxes are part of your total PITI (Principal, Interest, Taxes, Insurance) payment. Lenders include $249/month in your qualifying debt-to-income ratio.

Monthly Tax Escrow

$249

Annual Tax Bill

$2,990

Calculations are estimates for educational purposes only. Actual property taxes depend on your county assessor's valuation, local bond measures, Mello-Roos districts, and homeowner exemptions. Contact Mo Abdel at (949) 822-9662 for a personalized mortgage analysis. NMLS #1426884 | Lumin Lending NMLS #2716106.

Frequently Asked Questions

What is the average property tax rate in Grant County, Washington?

The average effective property tax rate in Grant County is 0.92% for 2026. On the median home value of $325,000, that equals approximately $2,990 per year or $249 per month.

How are property taxes calculated in Grant County?

In Grant County, Washington, property taxes are based on the assessed market value determined by the county assessor. Rates are set annually by local taxing districts including schools, fire, and utilities. Washington has no state income tax, so property taxes fund a larger share of local services.

What is Mello-Roos and does it affect Grant County property taxes?

Mello-Roos is a California-specific special tax district and does not apply in Grant County, Washington. However, Washington has similar special purpose levies for schools, fire districts, and utility infrastructure that are included in your property tax bill.

How do property taxes affect my mortgage payment in Grant County?

Property taxes are included in your monthly PITI payment (Principal, Interest, Taxes, Insurance). In Grant County, the estimated $249/month tax escrow on a median-priced home is factored into your debt-to-income ratio by lenders. This directly affects how much home you qualify for.

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