Rio Dell, Humboldt County, California Property Taxes

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Property Taxes in Rio Dell, California

Median Rio Dell, California effective property tax rate: 1.06%, significantly lower than the national median of 1.02%, and lower than the California state median of 1.21%.
Median Rio Dell, California home value: $178,576
Median annual Rio Dell, California tax bill: $1,865, lower than the national median property tax bill of $2,400.

How are property taxes in Humboldt calculated?

Property taxes in Rio Dell, California are calculated based on the tax assessed value, which is often lower than the actual market value due to property tax exemptions such as the homestead or senior exemption.

Understanding Rio Dell's property tax system, exemptions, and reduction opportunities can lead to significant savings. Regardless of where you live in Rio Dell, knowing local tax details benefits homeowners and investors.

Last Updated April 13, 2026

Rio Dell, Humboldt County, California Property Tax Bill Calculator

Property Assessed Value

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.06%

Estimate Property Tax Bill

$1,893

$1,757

How Does the Rio Dell Property Tax Calculator Work?

Use this Rio Dell property tax calculator to estimate your annual property tax bill. Enter your property's assessed value and our calculator applies Rio Dell's median effective tax rate of 1.06% — based on actual property records in Humboldt County — to generate your estimate.

Enter your property's estimated assessed value — the figure the local appraisal district uses to calculate your bill, which reflects any exemptions you hold and is typically lower than your home's market value. Our calculator applies Rio Dell's median effective rate across all local levies, providing a more accurate estimate than applying a single county millage rate.

Rio Dell's median effective tax rate is higher than the California state median of 1.21%, and the median property tax bill is $1,865, which is $535 lower than the state median bill.

For a more precise estimate, scroll down to explore ZIP code-level tax rate trends across Rio Dell.

About Rio Dell Property Taxes

About Property Taxes in Rio Dell, Humboldt, California

Rio Dell’s median effective property tax rate of 1.06% is lower than the California state median of 1.21% and higher than the national median of 1.02%. This rate reflects the Humboldt County base levy combined with local school district levies and Mello-Roos Community Facility Districts that vary by subdivision throughout the city.

Property tax rates are not uniform across Rio Dell. Homeowners in ZIP code 95562 carry a median effective rate of 1.06%, and the same ZIP also has the lowest rate in the city. This reflects how school district boundaries and local assessment districts are drawn across Humboldt County. Understanding where you live in Rio Dell can make a meaningful difference to your annual tax bill.

Rio Dell homeowners who believe their assessed value is too high can file a formal appeal with the Humboldt County Tax Assessor before the November 30, 2026 deadline each year.

If your estimated bill above seems higher than expected, Ownwell can review your assessment and protest on your behalf. You only pay if we save you money.

Property Tax Rates Across Rio Dell, Humboldt County, California

As noted earlier, local government entities set tax rates, which can vary widely within a state.

Why? Because annually, each county estimates its required budget to provide services and divides that by the total value of all taxable property within its jurisdiction. This calculation results in the property tax rate.

While there are votes and laws involved in setting tax rates and budgets, in a nutshell, this is the annual process.

Below, you can compare Rio Dell's effective property tax rate to other cities in California and the median property tax rates in California and the U.S.

Property Tax Rates Across Rio Dell, Humboldt County, California

Source: Ownwell

1.01%

1.10%

1.18%

Our median effective property tax rate (tax bill ÷ assessor's market value) accounts for exemptions and deductions, making it more accurate than the general median tax rate, which is the midpoint of statutory rates before adjustments.

Median Effective Rio Dell Tax Rate

1.06%

Median Effective Humboldt County Tax Rate

1.08%

Median Effective California Tax Rate

1.21%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across Rio Dell, Humboldt County, California

Zip	10th Percentile	25th Percentile	Median Tax Rate	75th Percentile	90th Percentile
95562	1.03%	1.04%	1.06%	1.09%	1.16%

Source: Ownwell

Property Tax Assessment Values Across Rio Dell, Humboldt County, California

When examining property taxes in Rio Dell, California, understanding the distinction between "market value" and "assessed value" is crucial.

The market value is what a willing buyer would pay to a willing seller in an open and competitive market, often influenced by location, property condition, and economic market trends. The Humboldt County assessor estimates the market value for tax purposes.

The assessed value is the market value minus any applicable exemptions or limits determined by local laws and offerings. The tax assessed value is the figure used to calculate your property taxes or the amount multiplied by your tax rate to get your tax bill.

Assessment notices:

In Humboldt County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of the month.

Each property owner receives an assessment notice that contains both the market value and assessed value, along with an estimate of your property tax bill. By providing insights into how assessed and market values are determined, this section helps property owners navigate their tax responsibilities and understand the valuation processes affecting their property taxes in Rio Dell.

For example, the median home price in Rio Dell is $178,576, with tax bills ranging significantly across the county. 95562 has the highest median home price at $178,576.

Property Tax Assessment Values Across Rio Dell, Humboldt County, California

Source: Ownwell

$43,347

$206,578

$369,809

Median Rio Dell Market Value

$178,576

Median Humboldt County Market Value

$238,477

Median California Market Value

$427,605

Median United States Market Value

$235,294

Property Tax Assessment Values Across Rio Dell, Humboldt County, California

Zip	10th Percentile	25th Percentile	Median Home Price	75th Percentile	90th Percentile
95562	$55,012	$97,054	$178,576	$265,301	$343,571

Source: Ownwell

Property Tax Bills Across Rio Dell, Humboldt County, California

Property tax bills in Rio Dell are calculated from the assessed value of a home and the local tax rate set by Humboldt County and other taxing authorities. The assessed value is based on the market value of the property, and the final bill reflects how that value is taxed rather than the price a homeowner paid. For a home with a median price of $178,576, the property tax bill can vary depending on the assessment and any local levies.

Homeowners in Rio Dell typically see bills shaped by the same factors that affect property taxes across California: home value, assessment changes, and local tax rates. The median property tax bill is $1,865, which is below the national median property tax bill of $2,400 and also below the national median property tax rate of 1.02%. Bills in the city range from $1,027 at the 25th percentile to $2,784 at the 75th percentile, with the 90th percentile reaching $3,665. This means property taxes can have a meaningful impact on monthly housing costs for homeowners.

Property Tax Bills Across Rio Dell, Humboldt County, California

Source: Ownwell

$728

$2,370

$4,012

Median Rio Dell Tax Bill

$1,865

Median Humboldt County Tax Bill

$2,611

Median California Tax Bill

$5,134

Median United States Tax Bill

$2,400

Property Tax Bills Across Rio Dell, Humboldt County, California

Zip	10th Percentile	25th Percentile	Median Tax Bill	75th Percentile	90th Percentile
95562	$584	$1,027	$1,865	$2,784	$3,665

Source: Ownwell

Don't miss the deadline to appeal!

Dates
Appeal Deadline	November 30

Links
Humboldt Tax Assessor
Website	common1.mptsweb.com

Frequently Asked Property Tax Questions in Rio Dell, California

How are property taxes calculated in Rio Dell, California?

Property taxes in Rio Dell, California are calculated by multiplying your property's assessed value by the applicable tax rate set by local taxing authorities. The assessed value is determined by the county assessor and may differ from your property's market value depending on local assessment ratios and exemptions.

How do I appeal my property taxes in Rio Dell, California?

To appeal your property taxes in Rio Dell, California, you typically need to file a formal protest or appeal with your local appraisal district or assessor's office by the stated deadline. You'll need evidence such as comparable sales, a recent independent appraisal, or documentation of property condition issues. Ownwell can handle this entire process for you.

What property tax exemptions are available in Rio Dell, California?

Common property tax exemptions in Rio Dell, California include homestead exemptions for primary residences, senior citizen exemptions, veteran exemptions, and disability exemptions. Exemption amounts and eligibility requirements vary by county. Contact your local appraisal district or check Ownwell for details specific to your property.

When are property taxes due in Rio Dell, California?

Property tax deadlines in Rio Dell, California vary by county but typically include an assessment notice period in spring or early summer, followed by an appeal deadline, and a tax payment due date in the fall or winter. Check with your county assessor's office for specific dates in your area.

How can Ownwell help reduce my property taxes in Rio Dell, California?

Ownwell provides professional property tax appeal services in Rio Dell, California. Our team analyzes your assessment, gathers evidence, files all paperwork, and represents you at hearings — all with no upfront cost. You only pay a percentage of your savings if we successfully lower your tax bill.