Fremont Property Tax: Pay, Lookup & Calculate Online

Fremont property owners pay real estate property taxes through the Alameda County Property Tax Search and Payment System . The official service supports searches using a property address or parcel number.

Alameda County provides separate payment categories for secured taxes, supplemental bills, unsecured taxes and delinquent prior-year taxes. Selecting the correct tax type is important, especially after purchasing a home.

Alameda County’s current tax search lets users switch between Address and Parcel Number searches. It requires selecting the matching suggestion from the search field’s automatic suggestion list.

How to find your Fremont property tax bill

1. Open the official Alameda County search.

   Visit the county’s property tax search at propertytax.alamedacountyca.gov/search.

2. Choose Address or Parcel Number.

   Select the appropriate search method using the controls above the search field.

3. Start typing the property information.

   Enter the Fremont street address or the parcel identifier shown on your prior tax bill.

4. Select a suggestion.

   Choose the actual matching result from the automatic suggestion list. The county portal specifically requires this selection.

5. Run the search.

   Open the matching property tax account and verify its parcel information.

6. Review available bills.

   Check secured, supplemental or prior-year delinquent tax records as applicable to your account.

7. Download or review the tax statement.

   Confirm the tax year, installment, assessed-value information, charges and current balance.

How to enter an Alameda County parcel number

The county explains that parcel and tracer numbers appear in the upper-left portion of the tax bill. For the search, enter the parcel number with dashes and without leading zeroes, then select its matching suggestion.

Find the parcel number using the Assessor

1. Open Alameda County Assessor’s How Do I page.

   Go to Assessor Self-Service Links .

2. Select Look Up a Parcel.

   Follow the Assessor’s property search tool.

3. Search by address.

   Find the Fremont home and confirm the property location.

4. Record the Assessor’s Parcel Number.

   Use that number to return to the Tax Collector’s bill lookup.

Alameda County allows online property tax payments by electronic check from a checking or savings account, or by an eligible credit card.

Step-by-step online payment instructions

1. Open the official Pay Online page.

   Visit Alameda County Pay Your Property Taxes Online .

2. Select your property tax type.

   Choose Secured for the usual annual home bill, Supplemental for a qualifying additional assessment, Unsecured where applicable, or Prior Year for delinquent older accounts.

3. Search for the property.

   Use the address or APN and select the matching search suggestion.

4. Verify the bill.

   Confirm the parcel, tax year, installment and amount due.

5. Select the available payment action.

   Continue through the county’s authorized payment flow.

6. Choose e-check or credit card.

   Use e-check if you wish to avoid the published card convenience fee. Confirm bank routing and account details carefully.

7. Review the final amount.

   Read the transaction terms, convenience fee and total payment before approval.

8. Submit the payment once.

   Complete the transaction and save the reference or confirmation receipt.

9. Check payment posting.

   Return to the official tax account after processing to verify that the bill has been paid.

Credit-card convenience fee examples

Illustrations only. The amount quoted by the official processor controls.

Other ways to pay Fremont property tax

The county does not accept arbitrary partial payments toward the normal secured installments by mail. Follow the current installment coupon’s full amount and due date.

Secured California property taxes generally have two installments. Each installment has a statutory due date and a later delinquency deadline.

Under California rules, when a delinquency deadline falls on a Saturday, Sunday or qualifying legal holiday, the payment deadline generally moves to the next business day. Because April 10, 2027 falls on Saturday, verify the county’s applicable adjusted cutoff on your official bill.

California Proposition 13 generally establishes a basic secured real estate property tax rate of 1% of taxable assessed value. Additional qualifying voter-approved indebtedness and direct charges can increase the annual tax bill.

Fremont properties may be assigned to different Alameda County tax rate areas. To estimate your actual tax, use the applicable assessed value, voter-approved debt rates and parcel-specific direct charges.

How the Fremont property tax formula works

For example, a property with $900,000 in assessed value, a $7,000 Homeowners’ Exemption, a hypothetical additional 0.15% bond rate and $500 in direct charges produces an estimated annual total of $10,769.50.

Fremont does not have one identical total property tax rate for every parcel. Under Proposition 13, the basic real property tax is generally 1% of assessed value. Additional eligible voter-approved debt rates and direct charges vary by tax rate area and parcel.

Why neighboring Fremont homes can have different tax bills

Alameda County uses tax rate areas to distinguish the combinations of local taxing authorities applicable to different properties. Taxing areas may vary by school district, municipal boundaries and special districts.

Two Fremont homes with the same current market value may also have substantially different enrolled assessed values because of their purchase dates and Proposition 13 protections.

Find your property’s actual tax rate

1. Look up the current tax bill.

   Open Alameda County’s secured property tax search.

2. Find the parcel’s Tax Rate Area.

   Review the property’s tax bill and assessment information.

3. Check individual tax components.

   Identify the basic rate, eligible voter-approved debt and any separately billed charges.

4. Compare annual tax years.

   If taxes increased, determine whether the change came from assessed value, additional levies or direct charges.

Reference: Alameda County Assessor — Tax Rate and Tax Rate Area Definitions .

If you purchase a Fremont home or complete qualifying new construction, the Alameda County Assessor may issue a Notice of Supplemental Assessment.

Supplemental taxes reflect a qualifying change in assessed value during a fiscal tax year. They are separate from the regular annual secured property tax bill.

When do supplemental tax bills arrive?

Alameda County explains that supplemental bills are issued throughout the year, and most are mailed within approximately 12 months after the change in ownership or completion of qualifying construction. There is no fixed annual mailing date equivalent to regular secured tax bills.

How to look up a supplemental tax bill

1. Open the County Property Tax portal.

   Visit Alameda County Pay Online .

2. Select Supplemental.

   Do not select only Secured if you are looking for an additional change-in-ownership bill.

3. Search by address or parcel number.

   Select the matching suggestion in the county search interface.

4. Review the supplemental year and installment.

   Confirm which ownership change or construction event is involved.

5. Read the bill-specific due dates.

   Supplemental tax deadlines are determined by the mailing and applicable statutory schedule.

6. Pay separately when necessary.

   Do not assume payment of the normal annual bill automatically covers supplemental taxes.

Will your mortgage company pay the supplemental bill?

Not necessarily. Alameda County states supplemental tax bills are mailed directly to the property owner rather than automatically to the lender.

If your mortgage uses an impound or escrow account, contact the servicer before assuming the additional bill will be paid from escrow.

Official reference: Alameda County Assessor — Supplemental Assessments .

Qualifying California homeowners may receive a $7,000 reduction in taxable assessed value for their principal residence.

Alameda County states the basic Homeowners’ Exemption generally saves approximately $70–$80 annually, depending on the tax components.

How to apply for Fremont Homeowners’ Exemption

1. Open the official exemptions page.

   Visit Alameda County Assessor Exemptions .

2. Check principal-residence eligibility.

   Generally, you must own and occupy the property as your principal residence on January 1, subject to applicable provisions.

3. Request the property-specific claim form.

   Alameda County instructs homeowners to call its Homeowners’ Exemption Unit at 510-272-3770 to obtain a system-generated claim form for the property.

4. Complete the form.

   Provide the qualifying owner, property and occupancy information requested.

5. Submit by the applicable deadline.

   February 15 is the ordinary full-exemption filing date. Certain later filings may receive reduced benefits.

6. Verify the exemption.

   Check the applicable assessment and tax bill after approval.

If you believe Alameda County’s assessed value is incorrect, you can request an informal review or use the formal Assessment Appeals Board process.

How to request an informal decline-in-value review

1. Check the current assessed value.

   Review the property’s assessed-value record.

2. Gather market evidence.

   Use comparable sales, an appropriate appraisal or property-condition documentation.

3. Open the decline-in-value page.

   Visit Request for Decline in Market Value Reassessment .

4. Choose the owner submission route.

   The Assessor provides an online e-form and a manual PDF option.

5. Enter the APN and relevant evidence.

   Follow the county’s instructions for the applicable valuation date.

6. Submit and review the decision.

   Alameda County indicates informal review requests are available July 1 through December 31.

Formal appeal instructions

If an informal review does not resolve the issue, a qualifying property owner may use the Assessment Appeals Board.

Alameda County states regular assessment appeals must be filed during the July 2–September 15 period, while supplemental or escape assessment appeals generally have a 60-day filing rule.

Contact the Assessment Appeals Board at 510-272-6352 to confirm the current filing method, fee, deadline and proper appeal category.

Alameda County applies penalties when secured property tax installments are not paid before the applicable delinquency cutoff.

How to find and pay an overdue Fremont tax bill

1. Open the county tax portal.

   Use the official Alameda County property tax payment website.

2. Choose Prior Year if appropriate.

   Select the delinquent prior-year tax account route for older taxes.

3. Search your parcel.

   Use the APN or property address and verify the matching result.

4. Identify every unpaid tax year.

   Check installment amounts, penalties, costs and available payment options.

5. Confirm the current payoff amount.

   If the balance is unclear, call the Tax Collector at 510-272-6800.

6. Complete the authorized payment.

   Retain the receipt and verify account posting.

Alameda County ordinarily collects secured property taxes through two annual installments. The county explains that its own regular tax collection system does not accept a standard twelve-payment monthly schedule.

If you want to budget monthly, you can consider a mortgage impound account or reserve money separately for the tax deadlines. The county also identifies an outside monthly-payment service, but that service is not operated by Alameda County and charges fees.

How to verify taxes paid through mortgage escrow

1. Open your mortgage statement.

   Find the property tax escrow disbursement details.

2. Look up the Fremont parcel.

   Search the county’s secured tax account.

3. Review installment status.

   Check whether the first and second installments are marked paid.

4. Compare dates and amounts.

   Verify the correct fiscal tax year and installment were paid.

5. Handle supplemental bills separately.

   Ask your servicer specifically whether it will pay supplemental assessments.

Official reference: Alameda County Secured Monthly Payment Options .