California & Monterey County Property Tax Guide for Home Buyers

Property taxes are an important part of the cost of owning a Monterey Peninsula home, but they are also one of the most frequently misunderstood parts of a California purchase.

A buyer may look at the seller's existing property-tax bill and assume that the same amount will continue after closing. In many cases, that assumption is incorrect.

California's Proposition 13 generally establishes a new assessed value when real property changes ownership. After the purchase, Monterey County may also issue a separate supplemental property-tax bill reflecting the difference between the property's previous assessed value and its new assessed value.

This guide explains how California property taxes work, when Monterey County property taxes are due, why buyers receive supplemental bills, how escrow prorations differ from reassessment, and several property-tax benefits that may be available to qualifying homeowners.

How California Property Taxes Work

California's property-tax system is based largely on Proposition 13, approved by voters in 1978.

Under Proposition 13, real property generally receives a new base-year assessed value when:

• The property changes ownership
• New construction is completed

For a typical home purchase, the county assessor determines the property's fair market value as of the change in ownership.

That becomes the property's new base-year value unless an exclusion or other special rule applies.

Proposition 13 Does Not Mean Your Entire Tax Bill Is Exactly 1%

One of the most common misconceptions is that California property taxes are simply 1% of the purchase price.

Proposition 13 establishes a 1% general property-tax levy on assessed value.

However, an actual property-tax bill can also include:

• Voter-approved bonded indebtedness
• Special assessments
• Parcel charges
• Other property-specific charges

As a result, the total property-tax bill is generally more than the basic 1% levy, and the effective total varies according to the property's location and applicable taxing districts.

Why Two Similar Monterey Peninsula Homes Can Have Very Different Tax Bills

Under Proposition 13, long-term owners may have assessed values far below the property's current market value.

Consider two similar homes on the same street:

• One owner purchased the home 30 years ago.
• The neighboring property sold recently.

The homes might have similar current market values but dramatically different assessed values and property-tax bills.

That is why a buyer should not use the seller's existing property-tax bill as the best estimate of future taxes.

What Happens to the Assessed Value When You Buy?

In most conventional home purchases, a change in ownership triggers reassessment of the property at its current fair market value.

The purchase price is important evidence of market value, but the county assessor is responsible for determining the assessed value under California law.

Once the new base-year value is established, that value becomes the starting point for future property-tax assessments.

How Much Can the Assessed Value Increase Each Year?

After the base-year value is established, Proposition 13 generally limits annual increases in that base-year assessment to the California inflation factor, with an annual maximum increase of 2%.

This is a limit on growth in the assessed value—not necessarily a promise that the total dollar amount appearing on the tax bill can never increase by more than 2%.

Other factors, including voter-approved debt rates and direct assessments, may affect the total bill.

New Construction Can Also Trigger Reassessment

Property does not have to be sold for reassessment to occur.

Completion of qualifying new construction can create a new assessed value for the newly constructed portion of the property.

This can be important for buyers planning:

• Major additions
• New residences
• Substantial new structures
• Other qualifying construction

Not every remodeling project necessarily creates the same property-tax result. Buyers contemplating significant construction should consult the Monterey County Assessor or an appropriate tax professional regarding the specific project.

The California Property Tax Fiscal Year

California's property-tax fiscal year runs from:

July 1 through June 30

Regular secured real-property taxes are generally paid in two installments.

Monterey County Property Tax Due Dates

The regular Monterey County secured property-tax schedule is:

If a delinquency date falls on a Saturday, Sunday or legal holiday, Monterey County extends the delinquency deadline to the following business day under applicable rules.

Due Date vs. Delinquency Date

Another common source of confusion is the difference between a tax being due and becoming delinquent.

The first installment is due November 1, but it can generally be paid without delinquency penalty through December 10.

The second installment is due February 1, but it can generally be paid without delinquency penalty through April 10.

Buyers should nevertheless avoid waiting until the final day, particularly when paying electronically or by mail.

What Happens if Property Taxes Are Paid Late?

Monterey County imposes penalties on delinquent property taxes.

If taxes remain unpaid beyond the end of the fiscal year, additional default charges and monthly interest can begin accruing.

Because penalties can become significant, property owners should contact the Monterey County Treasurer-Tax Collector promptly if there is any uncertainty about an unpaid bill.

Property Taxes Through Your Mortgage Payment

Some buyers pay property taxes directly to Monterey County.

Others have an escrow or impound account through their mortgage servicer.

With an impound account, the lender or loan servicer typically collects part of the expected property-tax expense with the monthly mortgage payment and then pays the regular tax bill when it becomes due.

This can make budgeting easier, but buyers should still review tax notices they receive.

Your Mortgage Servicer May Not Pay Your Supplemental Tax Bill

This is one of the most important things for a California buyer to understand.

Monterey County states that supplemental property-tax bills are sent directly to the property owner and that lending institutions do not automatically receive the original supplemental bill.

If you have an impound account and receive a supplemental tax bill, do not assume your lender will automatically pay it.

Review the bill and contact your mortgage servicer to determine whether you or the servicer should make the payment.

What Is a Supplemental Property Tax Bill?

A supplemental property-tax bill adjusts property taxes after a qualifying change in ownership or completion of new construction.

When a home changes ownership, the assessor generally:

1. Determines the property's new assessed value.
2. Compares it with the property's prior assessed value.
3. Calculates the difference.
4. Applies a prorated tax adjustment for the applicable portion of the fiscal year.

The result can be a supplemental tax bill in addition to the regular annual property-tax bill.

Why Is the Supplemental Bill Separate?

The regular property-tax bill may have been calculated using the property's assessed value before the sale occurred.

The supplemental system allows California counties to place the new Proposition 13 assessment into effect without waiting until the following annual tax cycle.

An Example of Supplemental Reassessment

Consider a hypothetical Monterey home:

• Previous assessed value: $800,000
• New assessed value after purchase: $1,500,000
• Difference: $700,000

The supplemental assessment generally applies the appropriate tax rate to the difference and then prorates the resulting amount based on the number of months remaining in the applicable fiscal-year period.

This is an illustration only. The county determines the actual assessment and tax amount.

Why Can a Buyer Receive More Than One Supplemental Tax Bill?

Depending on when the change in ownership occurs, California's supplemental-assessment system can result in one or more supplemental bills.

The reason is that the purchase may affect:

• The remaining portion of the current fiscal year
• The next property-tax roll that is already being prepared

Do not assume that receiving and paying one supplemental bill necessarily means no additional supplemental bill can follow.

When Does a Supplemental Assessment Become Effective?

Monterey County states that a supplemental assessment generally becomes effective on the first day of the month following the change in ownership or completion of new construction.

The county then prorates the supplemental assessment according to the portion of the fiscal year affected.

The Date You Buy Can Affect the Supplemental Calculation

Because supplemental assessments are prorated according to the remaining portion of the fiscal year, the timing of the purchase can affect the amount of the supplemental bill.

A purchase early in the fiscal year may create a different supplemental amount from an otherwise identical purchase occurring near the end of the fiscal year.

Supplemental Tax Bills Can Take Time to Arrive

Do not expect the supplemental bill immediately after closing.

Monterey County explains that the process involves several steps:

1. The Assessor determines the new value.
2. The assessment is sent for enrollment.
3. The Auditor calculates the tax.
4. The Tax Collector creates and mails the supplemental bill.

Depending on workload and circumstances, the process can take weeks or several months.

Buyers should budget for the eventual bill rather than assuming its absence means no additional tax is due.

Escrow Property Tax Prorations Are Different From Supplemental Taxes

During closing, escrow may prorate existing property taxes between buyer and seller.

This is an accounting adjustment based on who owns the property during different portions of the tax period.

It does not necessarily pay the buyer's future supplemental property-tax obligation.

This distinction is extremely important.

Escrow Proration

Allocates existing property-tax expenses between buyer and seller around the closing date.

Supplemental Assessment

Adjusts property taxes because the new change in ownership created a new assessed value.

They are separate calculations.

Do Not Budget From the Seller's Existing Tax Bill

Suppose the seller has owned a Carmel home since 1995.

The seller's assessed value might be dramatically lower than the property's current market value because Proposition 13 has limited annual increases over many years.

If you purchase the property today, your new assessed value will generally reflect current fair market value rather than the seller's old Proposition 13 base.

As a result, the seller's current tax bill could substantially understate your future annual tax expense.

How Should a Buyer Estimate Future Property Taxes?

For preliminary planning:

1. Start with the expected new assessed value.
2. Apply the 1% Proposition 13 general levy.
3. Add applicable voter-approved debt rates.
4. Add parcel-specific direct assessments or charges.

Because the last two items vary by location, a precise estimate should be based on the specific parcel.

Your lender, escrow company or Monterey County can assist with transaction-specific tax information.

Direct Assessments & Parcel Charges

Some property-tax bills contain charges that are not simply calculated as a percentage of assessed value.

These can potentially include assessments or charges associated with:

• Local districts
• Public improvements
• Services
• Other authorized programs

That is another reason neighboring properties can have slightly different total tax bills.

Review the Actual Property Tax Bill

During due diligence, reviewing the current property-tax bill can help identify:

• Current assessed value
• General tax levy
• Bond rates
• Direct assessments
• Other parcel-specific charges

Just remember that the seller's assessed value may change substantially after your purchase.

The Homeowners' Property Tax Exemption

California provides a Homeowners' Exemption for qualifying owner-occupied principal residences.

The exemption reduces the home's taxable assessed value by up to $7,000.

It is not available for a vacation home or second residence that does not qualify as the owner's principal place of residence.

How Do You Claim the Homeowners' Exemption?

A qualifying homeowner generally files a claim with the county assessor.

The homeowner generally makes a one-time filing rather than filing every year as long as eligibility continues.

To receive the full exemption for an applicable year, California generally uses a February 15 filing deadline, although first-time claimants should check current instructions with the Monterey County Assessor.

Second Homes Do Not Receive the Homeowners' Exemption

This is particularly relevant on the Monterey Peninsula, where many properties are purchased as second homes.

The California Homeowners' Exemption applies to an eligible principal residence—not simply any home owned by the taxpayer.

Proposition 19 Can Be Important for Buyers Age 55 or Older

For some California homeowners moving to the Monterey Peninsula, Proposition 19 can materially affect future property taxes.

Qualifying homeowners who are:

• At least age 55
• Severely and permanently disabled
• Victims of qualifying wildfire or natural disaster circumstances

may be able to transfer the taxable base-year value of a former principal residence to a replacement principal residence elsewhere in California.

Why Proposition 19 Can Matter So Much

Consider a homeowner who has owned a Silicon Valley residence for several decades.

The current market value might be several million dollars, but the Proposition 13 assessed value could be much lower.

If that homeowner sells and purchases a qualifying principal residence in Carmel, Pebble Beach, Pacific Grove, Monterey or Carmel Valley, Proposition 19 may allow some or all of the old base-year value to transfer to the new residence if the statutory requirements are satisfied.

That can produce a very different tax result from a conventional reassessment at the new home's full market value.

How Many Times Can an Eligible Homeowner Use Proposition 19?

Under current Proposition 19 rules, qualifying homeowners age 55 or older or severely and permanently disabled may generally transfer a base-year value up to three times.

The replacement residence can be located anywhere in California.

The Replacement Home Can Be More Expensive

Proposition 19 does not necessarily require the replacement home to cost less than the property being sold.

When a qualifying replacement property's value exceeds the applicable equal-or-lesser-value threshold, an additional amount can be added to the transferred base-year value under the Proposition 19 formula.

Because timing, valuation and eligibility requirements are important, buyers considering a Proposition 19 transfer should consult the county assessor and appropriate tax or legal advisors before relying on projected tax savings.

Timing Matters With Proposition 19

The original principal residence and replacement principal residence generally must satisfy specific timing requirements.

Under current rules, the replacement residence generally must be purchased or newly constructed within the applicable two-year period surrounding the sale of the original residence.

Separate claim-filing requirements also apply.

Do not wait until long after the purchase to investigate whether you qualify.

Proposition 19 Is Not Automatic

A qualifying buyer must generally file the appropriate claim with the county assessor.

If Proposition 19 is part of your buying strategy, contact the Monterey County Assessor and your tax advisor early.

What if the Market Value Falls Below the Assessed Value?

California also allows temporary assessment reductions when a property's current market value falls below its Proposition 13 factored base-year value.

This is commonly referred to as Proposition 8 decline-in-value relief.

If market value later recovers, the assessed value can increase faster than 2% in a single year while the property is in Proposition 8 status, but it cannot exceed the property's Proposition 13 factored base-year value unless another reassessment event occurs.

Can You Appeal an Assessed Value?

Property owners who disagree with an assessment may have rights to seek review or file an assessment appeal.

Deadlines depend on the type of assessment and notice received.

If you believe a Monterey County assessment is incorrect, review the notice immediately and contact the Monterey County Assessor or the appropriate assessment-appeals office rather than waiting until the tax bill becomes delinquent.

The Preliminary Change of Ownership Report

When California real property transfers, a Preliminary Change of Ownership Report, commonly called a PCOR, is typically submitted with the deed when the transfer is recorded.

The information helps the county assessor determine:

• Whether a change in ownership occurred
• How the property should be assessed
• Whether additional information or forms may be required

Escrow generally coordinates this document as part of the closing process.

Trusts, Gifts & Family Transfers Can Have Different Rules

Not every transfer of real property is treated identically for property-tax purposes.

Transfers involving:

• Trusts
• Inheritance
• Parent-child transfers
• Grandparent-grandchild transfers
• Spouses
• Co-owners
• Business entities

can involve specialized change-in-ownership rules and possible exclusions.

Buyers or owners involved in these situations should obtain qualified tax or legal advice rather than assuming the rules applicable to an ordinary purchase will apply.

Property Taxes on a Second Home

Second homes are taxed under the same general Proposition 13 framework as other California real property.

However, a second home generally does not qualify for the Homeowners' Exemption because it is not the owner's principal residence.

Second-home buyers should therefore include full expected property taxes in their annual ownership budget.

Property Taxes on Condominiums

A condominium owner receives an individual real-property tax assessment for the unit and associated ownership interest.

Property taxes are separate from monthly HOA assessments.

When comparing condominiums, buyers should therefore budget for:

• Property taxes
• HOA dues
• Possible special assessments
• Individual homeowner insurance

Property Taxes on New Construction

New construction can create supplemental assessment consequences even when the property does not change ownership.

For buyers purchasing newly constructed homes, the tax bill initially available in public records may not necessarily reflect the completed home's ultimate assessed value.

This deserves particular attention when purchasing newly built homes or homes still under construction.

Do Not Rely on a Vacant-Land Tax Bill for a New Home

A newly built property can illustrate this problem clearly.

Before construction, the property-tax bill might reflect primarily the value of the land.

Once construction is completed and assessed, the taxable value can increase significantly.

A buyer should therefore estimate property taxes based on the anticipated completed assessed value rather than the old vacant-land tax bill.

Buying a Recently Remodeled Home

If substantial construction was recently completed, ask whether the improvements have already been reflected in the assessed value.

Recently completed construction can potentially generate supplemental assessments separate from the ownership-change reassessment.

Review available permits, assessor information and closing documents where this issue may be material.

Where Should Monterey County Property Taxes Be Paid?

Regular and supplemental property taxes are collected by the Monterey County Treasurer-Tax Collector.

Monterey County currently provides multiple payment methods, including online payment.

When paying online, use the official County of Monterey Treasurer-Tax Collector website rather than a third-party site found through an advertisement or unsolicited email.

Visit the Monterey County Treasurer-Tax Collector Property Tax Page →

Check for Supplemental Bills Online

Monterey County's online system can identify bills associated with the property, including supplemental and certain prior-year bills.

This can be useful for a new owner who wants to confirm whether an additional bill has been issued.

A Practical Property Tax Checklist for Monterey Peninsula Buyers

Before and after closing, consider the following:

• Do not base future taxes solely on the seller's current bill.
• Estimate taxes using the anticipated new assessed value.
• Remember that the 1% Proposition 13 levy is not necessarily the entire tax bill.
• Review parcel-specific bond rates and direct assessments.
• Understand the November 1 / December 10 first-installment dates.
• Understand the February 1 / April 10 second-installment dates.
• Understand the difference between escrow tax prorations and supplemental taxes.
• Budget for a supplemental property-tax bill after closing.
• Do not assume a mortgage impound account will automatically pay the supplemental bill.
• Review all notices received from the Monterey County Assessor and Tax Collector.
• Apply for the Homeowners' Exemption if the property qualifies as your principal residence.
• Investigate Proposition 19 if you may qualify for a base-year value transfer.
• Keep property-tax records with your permanent closing documents.

Property Taxes Should Be Part of the Purchase Decision

For many Monterey Peninsula buyers, the difference between the seller's old assessed value and the buyer's new value can be substantial.

This is particularly common in Carmel, Pebble Beach, Pacific Grove and Monterey, where properties may remain in the same family or ownership for decades while market values rise significantly.

When comparing homes, consider the expected post-purchase property tax—not simply what the current owner is paying.

Working With the Monterey Peninsula Home Team

When helping buyers evaluate a property, we look beyond the purchase price to the broader ownership costs.

That includes helping buyers identify the existing property-tax information, understand why reassessment may occur, coordinate with escrow and lenders, and recognize when supplemental taxes or Proposition 19 issues deserve additional attention.

We are not tax advisors, and property-tax rules can become complex. When a transaction involves a base-year transfer, trust, inheritance, business entity or other specialized issue, we encourage buyers to obtain advice from the Monterey County Assessor and qualified tax or legal professionals.

For help buying a home in Carmel, Pebble Beach, Pacific Grove, Monterey, Carmel Valley, Seaside or elsewhere on the Monterey Peninsula, call Mark Bruno at (831) 917-8190.

California & Monterey County Property Tax FAQ

What is the property tax rate in Monterey County?

California's Proposition 13 establishes a 1% general property-tax levy on assessed value. The actual Monterey County property-tax bill can also include voter-approved debt rates, direct assessments and other parcel-specific charges, so the total varies by property.

Will my property taxes be the same as the seller's?

Usually not when the seller has owned the property for a significant period. A qualifying change in ownership generally causes the property to be reassessed at current fair market value, establishing a new Proposition 13 base-year value.

Does California property tax increase only 2% per year?

Proposition 13 generally limits annual increases in a property's base-year assessed value to the applicable inflation factor, with a maximum of 2% per year, absent a change in ownership or qualifying new construction. Other components of the total tax bill can change separately.

When are Monterey County property taxes due?

The first secured property-tax installment is due November 1 and becomes delinquent after December 10. The second installment is due February 1 and becomes delinquent after April 10. When a delinquency date falls on a weekend or legal holiday, the deadline is generally extended to the next business day.

What is a supplemental property-tax bill?

A supplemental bill adjusts property taxes after a qualifying change in ownership or completion of new construction. It reflects the difference between the old assessed value and new assessed value for the applicable portion of the fiscal year.

Is a supplemental tax bill included in my regular property-tax bill?

No. Supplemental taxes are in addition to the regular annual secured property-tax bill.

Can I receive more than one supplemental property-tax bill?

Yes. Depending on the date of the change in ownership and the assessment rolls affected, one or more supplemental bills may be generated.

Will my mortgage company automatically pay my supplemental tax bill?

Do not assume so. Monterey County states that lenders do not automatically receive the original supplemental bill. The bill is sent to the property owner, who should contact the mortgage servicer to determine how it should be paid.

Why did escrow already charge me property taxes if I still owe supplemental taxes?

Escrow tax prorations allocate existing property taxes between buyer and seller around the closing date. A supplemental assessment is a separate tax adjustment caused by the new assessed value after the change in ownership.

What is the California Homeowners' Exemption?

Qualifying homeowners who occupy a property as their principal residence can claim an exemption reducing taxable assessed value by up to $7,000. Vacation and second homes generally do not qualify.

What is Proposition 19?

Proposition 19 can allow qualifying homeowners who are at least age 55, severely and permanently disabled, or victims of qualifying wildfire or natural disaster circumstances to transfer a property's base-year value to a replacement principal residence elsewhere in California, subject to specific rules.

Can someone over 55 transfer their low property-tax base to Monterey County?

Potentially yes. Under Proposition 19, an eligible homeowner age 55 or older may transfer a qualifying base-year value to a replacement principal residence anywhere in California if the statutory requirements are satisfied.

How many times can someone over 55 use Proposition 19?

Current Proposition 19 rules generally allow eligible homeowners age 55 or older or severely and permanently disabled to use the base-year value transfer benefit up to three times.

What happens if my home's market value decreases after I buy it?

California Proposition 8 allows temporary reductions when current market value falls below the property's Proposition 13 factored base-year value. The county assessor determines whether a reduction applies.

Does buying new construction create supplemental taxes?

It can. Completion of qualifying new construction can trigger reassessment and supplemental property taxes. Buyers of newly constructed homes should not rely solely on a prior tax bill that may reflect only land or incomplete improvements.

Where do I pay Monterey County property taxes?

Regular and supplemental property taxes are collected by the Monterey County Treasurer-Tax Collector. Buyers should use the official County of Monterey website for bill information and online payment.