Santa Clara County Tax Collector: Pay Property Tax, Due Dates & Phone

Santa Clara County, California · property tax guide

Santa Clara County Tax Collector: Pay, Check or Fix a Property Tax Bill

If you searched for the Santa Clara County Tax Collector, the office you need is the County’s Department of Tax and Collections (DTAC). This guide covers the official payment route, tax deadlines, office address, phone number, mailing instructions, fees and common problems.

The biggest practical point is simple: check the correct tax type and account before sending money. Secured, unsecured, supplemental and prior-year taxes can follow different rules.

Current-office note: older Santa Clara County tax documents may show the former 70 W. Hedding Street location. The current Department of Tax and Collections information lists 110 West Tasman Drive, San Jose, CA 95134. Check the official County page before traveling.
Quick answer

Santa Clara County Tax Collector at a glance

DTAC Department of Tax and Collections
110 W. Tasman San Jose, CA 95134
(408) 808-7900 Property-tax assistance
8 AM–5 PM Mon–Fri, excluding County holidays

The Santa Clara County Department of Tax and Collections handles property-tax billing and collection services. Its current public information covers secured property, unsecured property, supplemental taxes, special assessments, delinquent taxes, partial payments and other collection-related services.

Best starting point: if you already have your tax bill, use the APN or account information printed on it. If you are unsure whether you need the Assessor or DTAC, first decide whether your question is about property value/assessment or the tax bill/payment itself.
Official contact

Santa Clara County Tax Collector office, address and phone

Department of Tax and Collections

Address:
110 West Tasman Drive
San Jose, CA 95134

Office hours:
Monday–Friday, 8:00 AM–5:00 PM

Phone hours:
Monday–Friday, 9:00 AM–4:00 PM

Property tax:
(408) 808-7900

What to bring if visiting

  • Your tax bill or payment coupon, if available.
  • Your APN, account number or assessment number when applicable.
  • Payment information appropriate for the tax bill.
  • Supporting documents if you are resolving a specific account problem.
  • Do not leave cash in a payment drop box.

The County says a payment drop box is inside the building in the east wing on the first floor and is available during normal business hours.

Online payment

How to pay Santa Clara County property taxes online

Santa Clara County provides an online payment route for property taxes. For secured property, the County says you can use the online system with a major credit card, debit card or eCheck. An APN or property address can be used to find the property account. :contentReference[oaicite:8]{index=8}

  1. Open the County-linked payment page. Start at the official Santa Clara County property-tax payment route rather than a random payment website.
  2. Find your account. Use your APN or property address and select the correct property.
  3. Check the bill carefully. Match the property, tax year, installment and amount before paying.
  4. Choose the payment method. Review the current card convenience fee or choose eCheck if appropriate.
  5. Save the confirmation. Keep the confirmation number and payment record until the payment has posted.
Do not rush the final click. A payment submitted against the wrong property or wrong account can create unnecessary follow-up work. Verify the parcel and installment first.
Payment costs

Santa Clara County property tax payment fees

The County’s current secured-property-tax information lists a 2.22% convenience fee with a $1.49 minimum for online credit or debit card payments. The County states that eCheck payments have no fee. :contentReference[oaicite:9]{index=9}

eCheck

No County-listed payment fee.

The County says eCheck payments have no fee for the online secured-property-tax payment route.

Credit/debit card

2.22%, minimum $1.49

Review the live payment page before submitting because payment-provider information can change.

Returned payment

$85 returned-payment fee

The County states that a returned check, eCheck or card payment can result in an $85 returned-payment fee.

Fee caution: do not copy an old convenience-fee figure from a third-party website. Review the County-linked payment page immediately before paying.
Property tax calendar

Santa Clara County property tax due dates

For regular secured property taxes, Santa Clara County divides the annual bill into two installments. The County’s current tax calendar lists November 1 as the first-installment due date and February 1 as the second-installment due date. December 10 and April 10 are the respective dates for paying without the delinquent penalty, subject to weekend and County-holiday adjustments. :contentReference[oaicite:10]{index=10}

Regular Santa Clara County property tax calendar
Tax event Typical date What it means
First installment due November 1 First secured-property-tax installment becomes due.
First installment delinquent December 10 Payment after the applicable delinquent time can incur the statutory penalty and cost.
Second installment due February 1 Second secured-property-tax installment becomes due.
Second installment delinquent April 10 Payment after the applicable delinquent time can incur the statutory penalty and cost.
Current-year tax endpoint June 30 Unpaid current secured taxes can move into default/redemption status.
Deadline rule: if December 10 or April 10 falls on a weekend or County holiday, the delinquent date is extended to the next business day. Always check the actual bill and current County notice for the applicable year.
Mail payments

Where to mail a Santa Clara County property tax payment

The County’s current payment instructions direct mailed payments and written correspondence to:

Department of Tax and Collections

110 West Tasman Drive
San Jose, CA 95134-1700

Make checks or money orders payable to SCC DTAC. Include the payment coupon when available and write the APN and installment number on the payment so the County can identify it correctly.

The County says USPS postmarks are used to determine whether mailed payments were timely. A private postage-meter date is not treated as the same thing as a USPS postmark. :contentReference[oaicite:11]{index=11}

Mailing tip: if the deadline is close, do not assume a metered date is enough. Follow the County’s current postmark instructions and allow time for the payment to reach the appropriate system.

The County states that mailed payments with the coupon typically take 2–5 business days to process after receipt, while payments without the coupon can take longer to post. :contentReference[oaicite:12]{index=12}

Secured property

Santa Clara County secured property tax

Secured property taxes generally concern real property such as homes, buildings and land. The County provides a dedicated secured-property-tax information page and online payment route. You can use the APN or property address to find the relevant property information. :contentReference[oaicite:13]{index=13}

What you may need

APN or property address, plus the payment information requested by the official system.

Payment options

Online credit/debit card or eCheck, plus mail and in-person payment options described by DTAC.

Two installments

The annual secured bill is normally payable in first and second installments.

If your question concerns assessed value, ownership, exemptions or an assessment issue, the Tax Collector may not be the right office. See Assessor vs. DTAC below before contacting the wrong department.

Unsecured property

Santa Clara County unsecured property tax

Unsecured property tax covers categories such as taxable businesses, boats and airplanes. The County provides a separate unsecured-property-tax route, and the information needed to find the account can differ from a secured property account. :contentReference[oaicite:14]{index=14}

Information the County may use

  • Assessment number
  • Assessor’s account number
  • Business name
  • Business address

Unsecured-tax timing

The County’s calendar says unsecured tax bills are mailed in July and are due upon receipt, with August 31 listed as the last day to pay without penalties, subject to the County’s weekend and holiday rule.

Unsecured taxes can have different delinquency consequences from regular secured property taxes. If your bill is marked unsecured, use the County’s unsecured-tax information rather than assuming the secured-tax rules apply.

After a property change

Supplemental property taxes in Santa Clara County

A supplemental property tax bill can arise when property ownership changes or new construction causes the assessed value to be adjusted. It is separate from the regular annual secured property-tax bill.

Why a supplemental bill may appear

The County explains that supplemental taxes can result from a change in ownership or new construction. The Assessor determines the relevant property value and the supplemental bill reflects the resulting adjustment.

Mortgage escrow warning

Do not automatically assume your mortgage lender will pay a supplemental bill just because it normally pays your annual property taxes. The County specifically advises property owners to contact their lender about supplemental bills.

If you received a supplemental assessment or bill and the amount or property valuation is the issue, separate the assessment question from the collection/payment question. That distinction can save a call to the wrong department.

Flexible payments

Can you make a partial Santa Clara County tax payment?

Yes. Santa Clara County currently allows partial payments through its online payment system. The County says the first installment must be paid in full before a payment can be applied to the second installment, and both installments must be fully paid by June 30. :contentReference[oaicite:15]{index=15}

Current installment

You can make smaller payments, but the remaining installment balance still needs to be paid by the applicable delinquency date to avoid penalties on the unpaid amount.

Balance statement

The County says a balance-due statement can be generated after qualifying partial payments.

Prior-year redemption

Partial payments on redemption balances have different interest treatment. Do not assume a current-year installment rule applies to a prior-year balance.

Important: a partial payment does not automatically prevent delinquency. What matters is whether the required installment has been paid by the applicable deadline.
Past-due taxes

What happens when Santa Clara County property taxes become delinquent?

The County states that unpaid current secured property taxes remaining as of 5:00 PM June 30 are enrolled on the Defaulted Master Tax File. A $30 redemption fee is added, and the delinquent bill accrues a 1.5% monthly penalty until paid. :contentReference[oaicite:16]{index=16}

Do not treat a delinquent bill like a normal bill

A prior-year or redemption balance can involve different calculations and payment application rules. Check the official account information before sending a payment.

Call before guessing

If you see “Prior Years Taxes Unpaid” or another delinquency notice, contact DTAC at (408) 808-7900 for account-specific information.

The County also explains that secured taxes are a lien against the real property and that prolonged delinquency can eventually lead to sale procedures under California law. Do not interpret this page as individualized legal advice.

Avoid the wrong department

Santa Clara County Tax Collector vs. Assessor

One of the most useful distinctions for property owners is knowing whether the problem concerns the tax bill or the property’s assessment.

Choose the office based on the problem
Your question Likely office Typical next step
Where is my tax bill or what is my payment balance? Department of Tax and Collections Use the official property-tax payment/search route or call DTAC.
How do I pay the tax bill? Department of Tax and Collections Use the County payment route and verify the account.
The assessed value appears wrong. County Assessor Use the Assessor’s property-information and assessment routes.
I need an exemption or assessment-related help. County Assessor Check the Assessor’s current exemption or assessment guidance.
I have a late or prior-year tax balance. Department of Tax and Collections Contact DTAC before assuming a normal installment payment will resolve it.
Rule of thumb: the Assessor deals with property assessment/value questions; DTAC deals with collecting the resulting tax bills and related payment matters.
Problem solving

Common Santa Clara County tax problems and the next step

Quick routing guide
Problem Possible reason Next step
I never received the tax bill. Mailing or ownership information may be outdated. Check the tax account and contact DTAC. Do not assume missing mail cancels the payment obligation.
The owner or address is wrong. This may involve Assessor records rather than payment processing. Use the County Assessor’s change-of-address or ownership-related route where applicable.
My online payment has not appeared yet. Processing/posting time or account/payment mismatch. Keep the confirmation and bank/card evidence, then contact DTAC if the payment remains unresolved.
I paid the wrong account. Property or installment was selected incorrectly. Contact DTAC promptly rather than making another payment and assuming the first one will automatically reverse.
My payment was returned. Bank or payment-provider rejection. Contact DTAC and check the current returned-payment fee and delinquency status before resubmitting.
I have prior-year taxes unpaid. The account may be in delinquent/redemption status. Contact DTAC before treating the balance like a normal current installment.
I disagree with the property’s value. Assessment issue rather than collection issue. Use the Santa Clara County Assessor’s official assessment and appeal information.
Tax-defaulted property

Santa Clara County tax-defaulted property auctions

Santa Clara County maintains a public-auction section for tax-defaulted properties. The County’s current page lists the May 2025 public internet auction and its results, along with terms and related statutory information. :contentReference[oaicite:17]{index=17}

Do not confuse an auction list with a normal tax bill. Tax-defaulted property sales involve a different legal and procedural context. If you are an owner trying to resolve a delinquent property, contact the County and obtain the current account-specific information rather than relying on a third-party list.
Other DTAC services

Other Santa Clara County Department of Tax and Collections services

DTAC is broader than ordinary annual property-tax payment. The County’s current service directory includes secured and unsecured property taxes, special assessments, public auctions, penalty-cancellation requests, unclaimed property-tax refunds, tax relief information and other collection services. :contentReference[oaicite:18]{index=18}

Penalty cancellation

The County provides a route for requesting cancellation of a property-tax penalty. Eligibility and supporting facts must be reviewed through the official process.

Unclaimed property-tax money

DTAC provides an official search and claim route for certain unclaimed property-tax refunds.

Taxpayer assistance

The County publishes programs and information that may assist qualifying taxpayers, including property-tax postponement information.

For any program involving eligibility, deadlines or a legal right, use the current official County or State instructions rather than assuming that an older article or third-party explanation still applies.

Official verification

Santa Clara County tax sources to check before paying

Because tax deadlines, payment vendors, fees, office procedures and notices can change, the safest workflow is to use the County source that matches your specific task.

Before submitting money: verify the jurisdiction, property/account, tax year, installment, balance and current payment fee on the official County system.
Frequently asked questions

Santa Clara County Tax Collector FAQs

What is the Santa Clara County Tax Collector called now?
The current county department responsible for property-tax collection is the Santa Clara County Department of Tax and Collections (DTAC).
Where is the Santa Clara County Tax Collector office?
The current DTAC office is at 110 West Tasman Drive, San Jose, CA 95134.
What is the Santa Clara County property tax phone number?
The County lists (408) 808-7900 for property-tax assistance. Phone hours are Monday through Friday, 9:00 AM–4:00 PM, excluding County holidays.
Can I pay Santa Clara County property taxes online?
Yes. The County provides an online property-tax payment route. For secured property, the County says major credit cards, debit cards and eCheck can be used.
How much is the online property tax card fee?
The County’s current secured-property-tax page lists a 2.22% credit/debit card convenience fee with a $1.49 minimum. The County states that eCheck payments have no fee.
When are Santa Clara County property taxes due?
Regular secured property taxes are payable in two installments. The first is due November 1 and the second is due February 1. December 10 and April 10 are the normal delinquent dates, subject to the County’s weekend and holiday adjustment.
What happens if I miss the Santa Clara County property tax deadline?
The County states that late secured-tax installments can receive a 10% penalty plus a $20 cost. If current secured taxes remain unpaid at the June 30 endpoint, they can move into default/redemption status with additional charges.
Can I make a partial property tax payment?
Yes. The County currently allows partial payments. However, the required installment must be fully paid by its delinquency date to avoid penalties on the unpaid balance.
Can I mail my property tax payment?
Yes. Mail payments to the Department of Tax and Collections at 110 West Tasman Drive, San Jose, CA 95134-1700. Follow the County’s current USPS postmark instructions when a deadline is involved.
Does Santa Clara County accept property tax payments by phone?
The current DTAC payment page states that the Department does not currently accept property-tax payments by phone. The listed phone number is for assistance.
What is the difference between the Assessor and Tax Collector?
The Assessor handles property assessment and valuation matters. DTAC handles tax billing, collection and payment matters. If your dispute concerns the property’s assessed value, an Assessor route may be appropriate instead of the Tax Collector.
What are unsecured property taxes in Santa Clara County?
Unsecured property taxes apply to categories such as taxable businesses, boats and airplanes. Santa Clara County provides a separate information and payment route for these accounts.
What is a supplemental property tax bill?
A supplemental bill can result from a change in property ownership or new construction that changes the assessed value. It is separate from the regular annual secured property-tax bill.
What if I did not receive my property tax bill?
Not receiving a tax bill does not automatically remove the obligation to pay. The County advises property owners to check the tax status or contact DTAC, particularly after a property purchase or ownership change.

Santa Clara County Tax Collector: the safest next step

For most property-tax questions, start with the Santa Clara County Department of Tax and Collections, confirm that you have the correct property account, and use the County’s current payment route.

For a normal secured property bill, check the installment and deadline, review the payment fee, verify the APN or property address, and save your payment confirmation. If the problem concerns assessment value, exemptions or ownership records, switch to the appropriate County Assessor route instead.

Editorial disclaimer: TaxCollectors.org is an independent informational website and is not the Santa Clara County Department of Tax and Collections or another government agency. Tax deadlines, fees, payment vendors and office procedures can change. For account-specific amounts, penalties, delinquency status or legal consequences, use the current official County information or contact the appropriate government office.
Research checked: September 15, 2026 · Current official County sources reviewed for office information, payment methods, deadlines, fees and delinquency guidance.

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