Maricopa County Tax Collector Office: Pay Tax Bill & Hours
Use this Maricopa County Tax Collector guide to pay Arizona property tax bills, check Treasurer office hours, find the correct official payment path, understand first-half and second-half due dates, avoid wrong portals, and know when to contact the Assessor instead of the Treasurer.
In Maricopa County, the office most people call the “tax collector” is the Maricopa County Treasurer’s Office. The Treasurer sends property tax bills, collects payments and handles tax payment questions. The Assessor handles property values, parcel details and assessment records.
Quick Answer: How to Pay the Maricopa County Tax Collector
The maricopa county tax collector search usually means the Maricopa County Treasurer’s Office, located at 301 W Jefferson Street, Suite 100, Phoenix, AZ 85003. The official Treasurer customer service phone number is (602) 506-8511, and the listed office hours are Monday-Friday, 8:00 AM to 5:00 PM, except holidays.
When Is Your
Next Tax Deadline?
Select your state — see your exact deadline, live countdown, and whether you’re on time or already accruing penalties.
To pay property taxes, use the Maricopa County Treasurer website or begin through the Maricopa County Assessor parcel search, select your parcel, choose the “Taxes” link and continue to the Treasurer website. If you have a value, ownership, parcel or exemption question, use the Assessor. If you have a payment, balance, tax bill or delinquency question, use the Treasurer.
Property Tax Penalty & Interest Calculator
State-specific penalty rates • Interest accrual • Tax lien deadline • Cost-of-waiting breakdown
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Daily Accrual Rate
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Tax Lien Warning
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Source Verification Box
Publish-ready as of: May 6, 2026. Official sources checked during this workflow include the Maricopa County Treasurer staff directory, Maricopa County Pay Your Bills page, Maricopa County Property Tax Bill page, Maricopa County Assessor payment-help page, Maricopa County Assessor site, Arizona Auditor county treasurer FAQ and Arizona Department of Revenue property tax resources.
Payment links, convenience fees, office hours, tax bill wording, mailing instructions, bank payment options, payment processor rules and delinquency handling can change. Verify the current details on the official Maricopa County Treasurer website before submitting money or mailing a check.
Maricopa County Tax Collector Services: What This Office Actually Does
Maricopa County does not usually brand the property tax payment office as “Tax Collector” in the same way some states do. The official county payment office is the Maricopa County Treasurer’s Office. That is the office to contact for property tax bills, payment balances, payment posting, delinquent tax questions, tax liens, payment history and customer service related to paying taxes.
The Maricopa County Property Tax Bill page explains that the Treasurer sends property tax bills for local jurisdictions, including the county, cities, school districts, special taxing districts and the state. That means your bill is not only a county charge. It combines taxes from multiple taxing authorities based on values and rates.
The Assessor has a different role. The Assessor determines the full cash and limited property values used in tax calculations and maintains parcel records. The Assessor’s payment-help page also makes the boundary clear: the Assessor does not compute, mail or collect property tax bills and does not have access to payment information. For payment help, it directs users to the Treasurer.
Pay Maricopa County Property Taxes Online Through the Official Path
The official online path can begin at the Maricopa County Treasurer website or through the Maricopa County Assessor parcel search. The Assessor’s payment-help page gives a simple flow: search for your parcel, select the parcel, click “Taxes,” get redirected to the Treasurer website, then use “Pay Online” and choose the payment option and method.
What You Need Before You Pay
Have your parcel number, property address, owner name or account information ready. If you are paying for a property you recently bought, confirm the parcel carefully because a similar street name or old owner record can lead to paying the wrong account. If the property is escrowed through your mortgage lender, check your escrow statement before paying on your own.
Online Payment Safety Checklist
Before entering payment information, confirm the county, tax year, parcel number, property address and amount due. If the site asks you to create an account or redirects to a processor, read the final screen carefully. Card payments and processor fees can change, so do not rely on old screenshots or third-party blog posts for the current fee.
Maricopa County Treasurer Office Hours, Address and Phone Number
The official Maricopa County staff directory lists the Treasurer’s Office at 301 W Jefferson Street, Suite 100, Phoenix, AZ 85003. The customer service phone number is (602) 506-8511, and the listed hours of operation are Monday-Friday, 8:00 AM to 5:00 PM, except holidays.
Maricopa County Treasurer Open Today
If today is a normal weekday and not a county holiday, the Treasurer’s Office is generally listed as open from 8:00 AM to 5:00 PM. If you need same-day payment handling, in-person proof, lien help or tax account clarification, call first. County offices can be affected by observed holidays, building closures, security procedures or peak-season crowds.
Parking and Downtown Phoenix Visit Planning
The Treasurer is located in downtown Phoenix at the Maricopa County complex near other county offices. Plan time for parking, security and walking to Suite 100. If your issue is simple bill payment, online payment may save a trip. If your issue is a wrong property value or owner record, the Assessor may be the better first stop.
Free vs Paid: Maricopa County Tax Payment Costs and Service Fees
There is no fee simply to read general county property tax information, search public property records or compare parcel details. The cost question usually appears when a taxpayer is ready to submit payment. Different payment methods can carry different processing rules, and card payments commonly involve third-party service fees.
Maricopa County Property Tax Due Dates, Delinquency and Small Bills
Arizona property tax due dates are set by state law. One-half of real and personal property taxes is due on October 1, and the remaining half is due the following March 1. The October 1 amount becomes delinquent after November 1 at 5:00 PM, and the March 1 amount becomes delinquent after May 1 at 5:00 PM.
Taxes of $100 or Less
Arizona county treasurer guidance states that if the total tax amount is $100 or less, the entire amount is due on October 1, and the unpaid amount becomes delinquent after December 31 at 5:00 PM. This is easy to miss because small bills do not follow the same practical two-installment pattern as larger bills.
Paying the Full Year by December 31
Older Maricopa County tax bill language and Arizona law references explain that paying the full year by December 31 can avoid interest penalty on the first half. Always verify the current bill language for your tax year because payment instructions printed on the official bill should control your action.
Maricopa County Assessor vs Treasurer: Which Office Handles Your Problem?
This is the most important distinction in the article. The Treasurer collects and accounts for tax payments. The Assessor values property and maintains assessment records. If the bill amount feels wrong because the value looks wrong, the Treasurer is not the office that changes the value. If the payment has not posted or the balance looks wrong, the Assessor is not the office that fixes payment posting.
Why Your Tax Bill Can Change
The property tax bill is based on assessed values and tax rates from multiple jurisdictions. Maricopa County explains that cities, school districts, special taxing districts and the county establish levies, while the Assessor determines full cash and limited property values used in calculations. This is why the Treasurer may collect the bill but not control every line on the bill.
When to Appeal or Review Your Value
If your concern is the assessed value, classification or property record, act through the Assessor’s process and deadline calendar. Do not wait until the payment deadline to challenge value. Payment deadlines still matter even when a taxpayer is unhappy with value or rates.
Correct Official Portal: Avoid Wrong Maricopa and Third-Party Payment Sites
“Maricopa” can mean Maricopa County, the City of Maricopa in Pinal County, Maricopa Community Colleges or other similarly named organizations. This article is for Maricopa County, Arizona property tax payment. The correct official payment path should connect to the Maricopa County Treasurer, not a private bill-pay site or a city office in another county.
Private Bill-Pay Sites Are Not the Treasurer
Search engines may show private bill-payment services that offer to process payments. Those services may not be the official county portal. They can add fees, create delays or confuse taxpayers who need proof of payment. Start from Maricopa.gov, the Treasurer site or the Assessor’s “How Do I Pay My Taxes” page.
Do Not Confuse County Tax With City Fees
Maricopa County property tax is different from city utility bills, air quality fees, traffic violations, dog licenses, planning fees and other county or city charges. Maricopa County has a Pay Your Bills page with different categories. Select property taxes only when you are paying real property or personal property tax.
Common Maricopa County Tax Bill Problems and What to Do Next
Most property tax problems are solvable when you match the problem to the right office. The most expensive mistakes are paying the wrong parcel, waiting until after delinquency, assuming escrow paid without checking, or asking the Treasurer to change Assessor records.
Payment Not Showing Yet
If you paid online, wait for normal processing and keep the confirmation. If the payment still does not appear, contact the Treasurer with your parcel number, payment date, amount, method and confirmation number. Do not submit a duplicate payment unless the office confirms the first payment failed.
Did Not Receive the Tax Bill
Not receiving a bill is not a safe reason to miss a statutory due date. Use the official parcel or Treasurer resources to check the bill online. If the mailing address is wrong, contact the Assessor or the appropriate record office to correct ownership or mailing details.
Mail and In-Person Payment Tips for Maricopa County Property Taxes
If you prefer mail or in-person payment, read the current tax bill and official Treasurer instructions before sending money. Older Maricopa County tax bill stubs list payment to Maricopa County Treasurer, P.O. Box 52133, Phoenix, AZ 85072-2133, and instruct taxpayers to print the parcel or account number on the check. Because mailing instructions can change, follow your current bill first.
Step-by-Step: Best Way to Pay a Maricopa County Tax Bill
- Start from an official county source Use Maricopa.gov, the Maricopa County Treasurer website or the Maricopa County Assessor payment-help page.
- Search for the right parcel Use owner name, property address, parcel number or account number. Confirm the property before clicking taxes.
- Open the Treasurer tax page Use the taxes link from the parcel page or go directly to the Treasurer website to view total assessed tax, payments and balance due.
- Check due date and amount First half is due October 1 and second half is due March 1. Watch the November 1 and May 1 delinquency times.
- Choose payment method carefully Review e-check, card, mail or in-person options. Check processor fees before approving online payment.
- Save proof and monitor posting Keep confirmation numbers and verify the tax account updates. Call the Treasurer if the payment does not appear.
Maricopa County Tax Collector Map and Directions
This location-specific guide uses the verified Maricopa County Treasurer address: 301 W Jefferson Street, Suite 100, Phoenix, AZ 85003. Use the map for directions, but use the official staff directory and Treasurer resources for office hours, customer service, public parking information and payment instructions.
Official Maricopa County Tax Collector Links and Trusted Resources
Frequently Asked Questions About Maricopa County Tax Collector
💳 How do I pay Maricopa County property taxes online?
Use the Maricopa County Treasurer website or start from the Maricopa County Assessor parcel search. Search your parcel, select the parcel, click the “Taxes” link, then continue to the Treasurer website and choose the payment option shown there.
📍 What is the Maricopa County Tax Collector office address?
The office most users mean is the Maricopa County Treasurer’s Office at 301 W Jefferson Street, Suite 100, Phoenix, AZ 85003.
📞 What is the Maricopa County Treasurer phone number?
The official Treasurer customer service phone number is (602) 506-8511. The Assessor payment-help page also lists TT as (602) 506-2348 for Treasurer assistance.
🕒 What are Maricopa County Treasurer office hours?
The official staff directory lists hours as Monday through Friday, 8:00 AM to 5:00 PM, except holidays. Call first around holidays, deadlines or urgent payment situations.
📅 When are Maricopa County property taxes due?
Arizona property taxes are generally due in two halves: first half due October 1 and second half due March 1. The first half becomes delinquent after November 1 at 5:00 PM, and the second half becomes delinquent after May 1 at 5:00 PM.
💵 Are there fees for paying Maricopa County taxes online?
Payment method fees can vary by processor and method. Review the final official Treasurer payment screen before submitting payment. Card payments commonly involve third-party service fees.
🏠 Should I contact the Treasurer or Assessor?
Contact the Treasurer for payment, bill balance, delinquent taxes and payment history. Contact the Assessor for parcel records, property value, ownership, classification and assessment questions.
✉️ Where do I mail Maricopa County property tax payments?
Use the mailing address and coupon printed on your current tax bill. Older Maricopa County bill stubs list Maricopa County Treasurer, P.O. Box 52133, Phoenix, AZ 85072-2133, but current bill instructions should control.
⚠️ What happens if I pay late?
Taxes become delinquent after the statutory deadline, and interest or penalties can apply. For a past-due account, call the Treasurer and verify the exact payoff amount before mailing or submitting payment.
🔎 What if I cannot find my Maricopa County parcel?
Try searching by owner name, address, parcel number or account number on the Assessor site. Use partial search terms if the full address does not work. If the property record looks wrong, contact the Assessor.
ℹ️ Is TaxCollectors.org the official Maricopa County Treasurer website?
No. TaxCollectors.org is an independent informational guide. Always verify payment links, due dates, fees, balances, office hours and mailing instructions with official Maricopa County sources before taking action.
Editorial note: This article is written to help taxpayers understand Maricopa County property tax payment steps in plain language. It is not the official Maricopa County Treasurer website, does not provide legal or financial advice, and does not replace official payment records, current tax bill instructions, Arizona law or direct guidance from the Treasurer or Assessor.
Final Summary: Best Way to Use the Maricopa County Tax Collector
The maricopa county tax collector office most users need is the Maricopa County Treasurer’s Office. The verified office address is 301 W Jefferson Street, Suite 100, Phoenix, AZ 85003, and the customer service phone number is (602) 506-8511. Office hours are listed as Monday-Friday, 8:00 AM to 5:00 PM, except holidays.
For most taxpayers, the smartest payment path is online: search your parcel, confirm the property, click through to the Treasurer tax page, review the amount due, compare payment methods and save proof. Watch the statutory deadlines: first half due October 1 and delinquent after November 1 at 5:00 PM; second half due March 1 and delinquent after May 1 at 5:00 PM.
If your problem is the bill amount because the property value or parcel record looks wrong, do not waste time calling the wrong office. Use the Assessor for valuation and parcel records. Use the Treasurer for tax payment and collection. That one distinction can prevent missed deadlines, duplicate payments and unnecessary frustration.