California Property Tax Guide: Rates, Rules, and Due Dates

California is one of the most desirable states to buy real estate in, but owning property here also means understanding how property taxes work.

If you are searching for California property tax, the most important things to know are the base 1% tax rate under Proposition 13, what can cause your tax bill to rise, and when your payments are due.

In most cases, California property taxes are based on your property’s assessed value. The statewide base tax rate is 1%, but many property owners pay more once local voter-approved bonds and other assessments are added. Property taxes are typically paid in two installments, due November 1 and February 1, and become delinquent after December 10 and April 10.

In this guide, we’ll walk through the basics of California property taxes, including rates, due dates, how taxes are calculated, and what rules property owners should know.

California Property Tax Rate at a Glance

Here is the quick answer most property owners are looking for:

• Base statewide property tax rate: 1% of assessed value
• Actual bill is often higher than 1% because of local voter-approved bonds and special assessments
• Annual assessed value increases are generally capped at 2% under Proposition 13 unless there is new construction or a reassessment event
• First installment due: November 1
• First installment delinquent after: December 10
• Second installment due: February 1
• Second installment delinquent after: April 10

What are Property Taxes?

Property taxes are taxes levied on real estate by local governments. These taxes help fund public services such as schools, roads, emergency services, and local infrastructure.

In California, property taxes are most commonly discussed in relation to Proposition 13, which limits the general property tax rate to 1% of a property’s assessed value, plus certain voter-approved local charges.

That means most people researching California property tax are really trying to understand four things: how much they will pay, how the bill is calculated, when it is due, and what can make it increase.

How are Property Taxes Calculated in California?

Property taxes in California are calculated based on the assessed value of the property.

Thanks to Proposition 13, passed in 1978, the base property tax rate is set at 1% of the assessed value at the time of purchase.

In most cases, the assessed value can only increase by up to 2% per year, unless there is a change in ownership or new construction.

However, the actual tax bill is often higher than 1% because local governments may add voter-approved debt rates and special assessments.

This is one of the most important things to understand about California property tax: the 1% rate is the starting point, not always the full amount you will pay.

For example, if you buy a home for $500,000, the base annual property tax would usually start at around $5,000.

Depending on the area, local assessments could push the total amount higher.

That is why many California homeowners effectively pay closer to around 1.1% or more, depending on the location and the charges attached to the property.

Why Your California Property Tax Bill May Be Higher Than 1%

Many buyers hear that California property tax is 1% and assume that is the full bill. In reality, the 1% rule applies to the general levy under Proposition 13, but local voter-approved bonded debt and other assessments can increase the amount owed.

In some communities, additional charges may include items such as school bonds, infrastructure-related assessments, or special taxes like Mello-Roos.

That is why two homes with similar prices in different parts of California may have different total property tax bills.

Property Tax Calculator

Use our free calculator to find out how much taxes are paid on a property.

A property tax calculator can help you estimate your annual bill based on your home’s assessed value and approximate tax rate.

As a starting point, many buyers use the 1% base rate and then add a small buffer for local charges.

Example:

• Home value: $500,000
• Base 1% property tax: $5,000 per year
• With local charges, the actual total may be somewhat higher

This kind of estimate is helpful when you are budgeting for homeownership in California, but your exact tax bill will depend on your property’s location and the assessments tied to it.

When Are Property Taxes Due in California?

California property taxes are typically paid in two installments.

The first installment is due on November 1 and becomes delinquent after December 10.

The second installment is due on February 1 and becomes delinquent after April 10.

If payment is not made by the delinquency date, penalties and additional costs may apply.

For many property owners, these are the most important dates to remember:

• November 1 — first installment due
• December 10 — first installment delinquent after
• February 1 — second installment due
• April 10 — second installment delinquent after

Missing these dates can make your bill more expensive, so it is important to plan ahead.

Penalties for Late or Unpaid Property Taxes

Missing a California property tax deadline can get expensive quickly.

Once an installment becomes delinquent, a 10% penalty applies.

If the second installment goes delinquent, counties may also add an administrative charge.

If taxes remain unpaid after June 30, the property can become tax-defaulted, which may trigger a redemption fee plus additional penalties of 1.5% per month until the balance is paid.

Over the long term, unpaid defaulted taxes can eventually lead to a tax sale.

In short, paying by December 10 and April 10 is the best way to avoid extra costs and larger problems later on.

What Can Trigger a Reassessment in California?

Under Proposition 13, your assessed value usually does not rise by more than 2% per year. However, certain events can cause a reassessment and potentially increase your tax bill more significantly.

Common reassessment triggers include:

• A change in ownership
• New construction
• Major improvements that qualify for reassessment

This is why a newly purchased property may have a very different tax bill from a neighboring property that has been owned for many years.

Where Do California Property Tax Dollars Go?

California property taxes go toward funding many local services and public agencies.

These often include public schools, city and county governments, community colleges, and special districts.

Your specific tax bill may show how the money is distributed across the agencies in your area.

This is also one reason local charges can vary from one area to another. The agencies and bonded obligations tied to a property are not always the same in every community.

Understanding Proposition 13

Proposition 13 is one of the most important laws affecting California property taxes.

Passed in 1978, it limits the general property tax rate to 1% of assessed value and restricts annual increases in assessed value to no more than 2% unless the property is reassessed.

This law is a major reason why long-time California property owners may pay much less in property taxes than recent buyers of similar homes.

For many readers, Proposition 13 is the key rule behind how California property tax works. If you understand the 1% base rate, the 2% assessment cap, and reassessment triggers, you understand the foundation of the system.

California Property Tax Tips for Buyers and Homeowners

If you are buying property in California, do not assume the tax bill will always be exactly 1% of the purchase price. Review the property’s tax history, ask about special assessments, and budget for local add-ons.

If you already own property, make sure you know your installment deadlines and keep an eye on reassessment events that could affect your bill.

A little planning can help you avoid surprises and better understand the real cost of ownership.

Final Thoughts on Property Taxes and How they Work 

California property taxes are easier to understand once you know the basic rules. If you remember the 1% base rate, the key due dates, and the fact that local charges can raise the total bill, you’ll have a much stronger handle on what to expect as a buyer or homeowner.