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National City, San Diego County, California Property Taxes

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Property Taxes in National City, California

  • Median National City, California effective property tax rate: 1.36%, significantly higher than the national median of 1.02%, and higher than the California state median of 1.21%.

  • Median National City, California home value: $270,801

  • Median annual National City, California tax bill: $3,608, $1,208 higher than the national median property tax bill of $2,400.

How are property taxes in San Diego calculated?

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

Last Updated April 13, 2026

National City, San Diego County, California Property Tax Bill Calculator

$100,000

$1,500,000

$3,000,000

Median Effective Tax Rate

1.36%

Estimate Property Tax Bill

$3,683

$3,418

SAVE WITH OWNWELL

$774

Average Annual Tax Savings

How Does the National City Property Tax Calculator Work?

Use this National City property tax calculator to estimate your annual tax bill. Enter your property's assessed value and our calculator applies National City's median effective tax rate of 1.36% — based on actual property records in San Diego County — to generate your estimate.

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

Your bill may vary by ZIP code within National City: rates range from 3610.00 in 91950 to 3610.00 in 91950, primarily due to differences in school district levies and local assessment districts. National City's 1.36% rate is higher than California's 1.21% median, and the typical bill of $3,608 is above the $2,400 national median property tax bill.

If your estimate is higher than expected, Ownwell can appeal your National City assessment — you only pay if we save you money.

About National City Property Taxes

About Property Taxes in National City, San Diego, California

National City’s median effective property tax rate of 1.36% is higher than the California state median of 1.21% and higher than the national median of 1.02%. This rate reflects San Diego County assessments and local levies that shape what homeowners pay across the city.

Property tax rates are not uniform across National City. Homeowners in ZIP code 91950 carry the median effective rate of 1.36%, while those in the same ZIP also pay the same rate, showing how localized tax structures can still keep bills closely aligned within the city. The median home price is $270,801, and the median tax bill is $3,608, which is higher than the national median property tax bill of $2,400.

National City homeowners who believe their assessed value is too high can file a formal appeal with the San Diego County Tax Assessor before the December 1, 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 National City, San Diego 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 National City'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 National City, San Diego County, California

Source: Ownwell

0.98%

1.31%

1.63%

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 National City Tax Rate

1.36%

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 San Diego County Tax Rate

1.19%

Median Effective California Tax Rate

1.21%

Median Effective United States Tax Rate

1.02%

Property Tax Rates Across National City, San Diego County, California

Zip10th Percentile25th PercentileMedian Tax Rate75th Percentile90th Percentile
919501.20%1.26%1.36%1.52%1.86%

Source: Ownwell

Property Tax Assessment Values Across National City, San Diego County, California

When examining property taxes in National City, 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 San Diego 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 San Diego County, assessment notices are sent in the spring each year. They'll typically reach your mailbox by the middle of October.

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 National City.

For example, the median home price in National City is $270,801, with tax bills ranging significantly across the county. 91950 has the highest median home price at $270,938.

Property Tax Assessment Values Across National City, San Diego County, California

Source: Ownwell

$117,550

$1,502,330

$2,887,110

Median National City Market Value

$270,801

Median San Diego County Market Value

$499,949

Median California Market Value

$427,605

Median United States Market Value

$235,294

Property Tax Assessment Values Across National City, San Diego County, California

Zip10th Percentile25th PercentileMedian Home Price75th Percentile90th Percentile
91950$78,250$154,011$270,938$455,127$607,067

Source: Ownwell

Property Tax Bills Across National City, San Diego County, California

Property tax bills in National City are based on the assessed value of a home and the local tax rate set by San Diego County and other taxing authorities. When a property’s market value rises, the assessed value can increase too, which can push the tax bill higher. For homeowners, that means a larger annual expense that can affect monthly budgets and long-term housing costs.

In National City, the median home price is $270,801, and the median property tax bill is $3,610, which is above the national median property tax bill of $2,400. Bills can vary widely, with the 25th percentile at $2,255, the 75th percentile at $5,691, and the 90th percentile at $7,388.

Ownwell helps homeowners lower property tax bills by reviewing assessments, identifying overassessments, and filing appeals when a home is taxed above its fair market value. That can lead to meaningful savings and a more accurate property tax bill.

Property Tax Bills Across National City, San Diego County, California

Source: Ownwell

$1,113

$15,770

$30,427

Median National City Tax Bill

$3,608

Median San Diego County Tax Bill

$5,807

Median California Tax Bill

$5,134

Median United States Tax Bill

$2,400

Property Tax Bills Across National City, San Diego County, California

Zip10th Percentile25th PercentileMedian Tax Bill75th Percentile90th Percentile
91950$1,421$2,257$3,610$5,694$7,389

Source: Ownwell

Don't miss the deadline to appeal!

Frequently Asked Property Tax Questions in National City, California

How are property taxes calculated in National City, California?
Property taxes in National City, 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 National City, California?
To appeal your property taxes in National City, 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 National City, California?
Common property tax exemptions in National City, 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 National City, California?
Property tax deadlines in National City, 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 National City, California?
Ownwell provides professional property tax appeal services in National City, 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.