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Updated 2025 Tax Year

Clark County
Property Tax Guide

Everything you need to know about property taxes in Clark County, WA. Rates, due dates, exemptions, and how it affects your monthly payment.

10 Official Sources
8 min read
Quick Facts
Tax Rate
0.898% effective rate (varies by taxing districts within county)
1st Due
Apr 30
2nd Due
Oct 31
Exemptions
5+ Available
Section 1

How Property Tax Works

Clark County, Washington operates under a property tax system that funds essential local services including schools, roads, public safety, and various municipal services. Property taxes are the primary revenue source for local government operations, with collections distributed among the county, cities, school districts, and special purpose districts within your area.

The effective property tax rate in Clark County for 2025 is approximately 0.898%, though actual rates vary significantly by location within the county due to different combinations of special taxing districts such as school districts, fire districts, library districts, and other local improvement areas. Property owners should expect their specific rate to differ based on which taxing districts serve their particular address.

Tax calculations are based on assessed value as determined by the Clark County Assessor, with assessments updated annually to reflect current market conditions. Unlike some states, Washington does not impose a statewide assessment cap, allowing assessed values to adjust with market fluctuations.

Section 2

What Makes Up Your Tax Bill

ComponentRate RangeDescription
County General~$1.50-2.00 per $1,000Basic county services, administration
School District~$4.00-6.00 per $1,000Local school operations and bonds
State School~$2.70 per $1,000State-mandated school funding
Fire District~$0.50-1.50 per $1,000Fire protection and emergency services
Library District~$0.30-0.50 per $1,000Public library services
Port District~$0.15-0.25 per $1,000Port of Vancouver operations
Other Special DistrictsVariesRoad districts, water/sewer, parks

Rates shown are for levy year 2025 and represent typical ranges. Your actual rate depends on which specific taxing districts serve your property location. The combined rate of approximately $8.98 per $1,000 of assessed value reflects the county average.

Section 3

When Are Property Taxes Due?

For the 2025/2026 tax year in Clark County, property taxes are due in two installments:

First Installment
Apr 30
Delinquent after Dec 10
Second Installment
Oct 31
Delinquent after Apr 10
Pro tip: If you pay through mortgage escrow, your lender splits these payments across your monthly mortgage. If you pay directly, set calendar reminders to avoid late penalties.
Section 4

Supplemental Tax Bills

Supplemental property taxes in Clark County are triggered by specific events that change property ownership or characteristics during the tax year. The primary triggers include property sales or transfers, completion of new construction, and significant improvements that add assessable value to existing properties.

When a property sells, the county assessor may issue a supplemental assessment if the sale price indicates the current assessed value is significantly below market value. For new construction, supplemental taxes are calculated from the date the improvement is substantially complete and habitable. The supplemental amount represents the difference between the original assessment and the new assessment, prorated for the remaining months in the tax year.

For example, if a property's assessed value increases from $400,000 to $500,000 due to a completed addition in July, and the tax rate is $8.98 per $1,000, the supplemental tax would be approximately $449 (($100,000 ÷ $1,000) × $8.98 × 6/12 months remaining in the tax year).

Example Calculation

Example 1: $300,000 Home

  • Assessed Value: $300,000
  • Tax Rate: $8.98 per $1,000
  • Annual Tax: $300,000 ÷ $1,000 × $8.98 = $2,694
  • Monthly (if escrowed): $2,694 ÷ 12 = $224.50

Example 2: $600,000 Home with Senior Exemption

  • Assessed Value: $600,000
  • Senior Property Tax Exemption: -$80,000 (maximum exemption for qualifying seniors)*
  • Net Taxable Value: $520,000
  • Annual Tax: $520,000 ÷ $1,000 × $8.98 = $4,670
  • Monthly (if escrowed): $4,670 ÷ 12 = $389.17

Example 3: $1,000,000 Home

  • Assessed Value: $1,000,000
  • Tax Rate: $8.98 per $1,000
  • Annual Tax: $1,000,000 ÷ $1,000 × $8.98 = $8,980
  • Monthly (if escrowed): $8,980 ÷ 12 = $748.33

*Senior exemption requires annual application and income qualification. Amount and eligibility subject to change.

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Section 5

Escrow & Property Taxes

Most mortgage lenders in Clark County require property tax escrow accounts for loans with less than 20% down payment, though borrowers may request escrow even when not required. Lenders collect monthly escrow payments along with principal and interest, typically calculating 1/12th of the estimated annual tax bill plus a cushion amount.

Clark County property taxes are billed in two installments: the first half is due April 30th and the second half is due October 31st. Lenders typically pay the April installment from escrow funds around the due date, then pay the October installment similarly. Property owners should verify that their lender has made payments on time, as the property owner remains ultimately responsible for tax payments even when escrowed.

Annual escrow analysis statements from lenders may show adjustments based on actual tax bills versus estimates. If property taxes increase due to reassessment or voter-approved levies, monthly escrow payments may increase accordingly. Property owners can review their escrow account activity and request detailed payment records from their loan servicer.

How HonestCasa Helps
  • Understand whether your escrow is set correctly
  • See how rising taxes will change your monthly payment
  • Plan ahead instead of being surprised by "shortage" letters
Section 6

Frequently Asked Questions

Q: When are Clark County property taxes due for 2025? A: Property taxes for 2025 are due in two installments: first installment due April 30, 2025, and second installment due October 31, 2025. Tax statements are typically mailed in February and September.

Q: What tax credits are available and do they require application? A: Several tax credits require annual application including the Senior Property Tax Exemption, Disabled Person Property Tax Exemption, and Veterans' Exemption. These are not automatic and must be filed with the Assessor's Office by December 31st annually with required income documentation.

Q: How does the homestead exemption work in Washington? A: Washington does not have a traditional homestead exemption. However, qualifying seniors and disabled persons can receive exemptions that reduce assessed value for tax purposes. The Senior Exemption can exempt up to $80,000 in assessed value for qualifying households.

Q: When does the county reassess property values? A: Clark County assesses all properties annually with assessments reflecting market value as of January 1st. Assessment notices are typically mailed in late April, and property owners have until July 1st to file appeals with the Board of Equalization.

Q: What are the penalties for late property tax payments? A: Interest and penalties apply to delinquent taxes at 1% per month. If the first installment is not paid by April 30th, the entire year's taxes become due immediately. Properties can be foreclosed for unpaid taxes after three years of delinquency.

Q: Can I pay property taxes online? A: Yes, Clark County offers online payment options through the County Treasurer's website at clark.wa.gov/treasurer. Payments can be made by electronic check or credit card, though credit card payments incur additional processing fees.

Q: Why do tax rates vary within Clark County? A: Tax rates vary by location because different areas are served by different combinations of special districts such as school districts, fire districts, library districts, and port districts. Each district sets its own levy rate based on local budget needs.

Q: What is the Homeowner's Remodel Exemption? A: This program allows qualifying improvements to single-family homes to be exempt from property tax increases for up to three years. Application must be filed with the Assessor's Office before beginning construction, and specific improvement types and value limits apply.

Q: How do special assessments work? A: Special assessments are additional charges for specific improvements like street paving, sewer connections, or local improvement districts. These appear as separate line items on tax bills and may be paid in installments over several years depending on the project financing terms.

Q: What happens if I disagree with my property assessment? A: Property owners can appeal assessments by filing a petition with the Clark County Board of Equalization by July 1st following the assessment notice. The appeal process includes a hearing where owners can present evidence of their property's correct value.

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