Maple Valley Property Tax Records

Maple Valley property tax records are managed through the King County Assessor and King County Treasury. Property owners in Maple Valley can search parcel values, look up current tax bills, and pay online through King County's eReal Property system and payment portal. The city receives about 10 cents for every dollar paid in property tax. The rest goes to schools, the state, King County, and special districts. This page explains the 2025 levy rates, how to search records online, what exemptions exist, and how to pay your taxes.

Maple Valley 2025 Property Tax Rates

The total 2025 property tax rate for Maple Valley is $10.75835 per $1,000 of assessed value. The city receives about $0.10 out of every $1.00 paid in property tax. That city revenue supports general government services. The full rate reflects contributions from multiple taxing districts.

Here is how the 2025 rate breaks down per $1,000 of assessed value:

• Tahoma School District: $4.00315
• Washington State School Fund: $2.24653
• City of Maple Valley: $1.02538
• Fire District #43: $1.45528
• King County General and Ferry District: $1.36182
• Rural Library: $0.24520
• Emergency Medical Services: $0.22146
• Port of Seattle: $0.10196
• KC Flood District Special Levy: $0.09757

The school levies combined make up more than half of the total rate. State school funding and local school district levies both appear on your tax bill as separate line items. Fire District #43 covers most of Maple Valley and accounts for a significant portion of the non-school rate. The City's levy of $1.02538 funds road maintenance, parks, police contracts, and community services.

For more detail on how these rates are set, visit the City of Maple Valley Finance Department tax and fee schedules page. The city also levies a 9.00% local sales and use tax rate as of January 1, 2026, of which the city receives 0.85%. Real Estate Excise Tax totaling 0.50% applies to all real property sales within the city limits.

Searching Maple Valley Property Records Online

The King County eReal Property system is the primary online tool for looking up Maple Valley parcel records. Enter a property tax account number or parcel number on the site to view the full parcel report. The report includes assessed land and improvement values, property characteristics, sales history, and the tax districts that apply to your parcel. You must agree to the terms before searching. Under RCW 42.56.070(9), data from this system may not be used to compile commercial mailing lists.

The King County Department of Assessments is at 201 S. Jackson Street, Seattle, WA 98104. Contact: 206-296-7300. Email: assessor.info@kingcounty.gov. Staff can help with questions about how a Maple Valley property was valued, what data was used, and what exemption programs are available.

King County's eReal Property portal provides full parcel-level assessment data for Maple Valley properties, including values, structure details, and tax district information.

King County Parcel Viewer for Maple Valley

The King County Parcel Viewer on the King County Open Data portal is a fast way to find a Maple Valley parcel on a map. Search by address, parcel number, or zoom in and click a parcel directly. Once you select a parcel, you get a direct link to the King County Assessor's eReal Property report. The viewer also links to the Districts and Development Conditions report, which shows all taxes and special levies that apply to the parcel.

For more advanced GIS work, King County also provides iMap, which has over 100 data layers including zoning, floodplains, critical areas, and historical aerials. Clicking a parcel on iMap opens a pop-up with links to both the Assessor report and development conditions. You can use URL parameters to link directly to specific Maple Valley parcels using the "pin" parameter.

The King County Parcel Viewer shows Maple Valley parcels on an interactive map with direct links to Assessor reports and tax district data.

Paying Maple Valley Property Taxes

King County Treasury collects property taxes for all Maple Valley parcels. The first half is due April 30 and the second half is due October 31. Starting in 2026, the first half of 2026 taxes were due April 30. You can pay online through the King County online property tax payment portal. As of January 1, 2026, debit and credit card payments carry a 2.35% service fee with a $2.00 minimum. eCheck payments are $0.55. These fees are charged by the payment processor and do not go to King County.

You can also pay by mail. Make your check payable to King County Treasury and include your property tax account number. For in-person payment, the King County Customer Service Center is at 201 S. Jackson Street, 2nd Floor, Seattle, Monday through Friday from 8:30 a.m. to 4:30 p.m. A drop box is available at the corner of Second Avenue and South Jackson Street for check or money order payments outside of office hours.

For more information on tax foreclosures, mobile home taxes, and payment FAQs, visit King County Treasury Operations.

King County Treasury Operations manages tax billing, collection, and foreclosure for all King County parcels including those in Maple Valley.

Exemptions and Appeals for Maple Valley Property Owners

King County administers senior and disabled exemption programs for qualifying property owners in Maple Valley. If you meet the age and income thresholds, you may be eligible for a reduction in your assessed value or a cap on your property taxes. Contact the King County Department of Assessments at 206-296-7300 to ask about eligibility and the application process.

The King County Open Data GIS portal provides downloadable parcel and assessment data for research purposes. This is useful for researchers, property professionals, and developers who want access to bulk assessment data for the Maple Valley area or broader King County.

If you think your Maple Valley property is over-assessed, you can appeal to the King County Board of Equalization. The deadline is shown on your value change notice. Appeals do not delay your tax due dates. State-level appeals after the county board decision go to the Washington State Board of Tax Appeals at bta.wa.gov. The state board hears cases that were not resolved at the county level and can order further adjustments.

Note: Washington law limits cities to a 1% increase in the regular property tax levy per year without a voter-approved measure, under the rules established for Maple Valley and all other cities in the state.

King County Property Tax Records

Maple Valley is in King County. All property tax functions for Maple Valley parcels flow through King County offices. For county-wide resources, search tools, and program details, visit the King County property tax page.

View King County Property Tax Records

Nearby Cities

These nearby King County cities also have property tax record pages.