Bulk Payments

Maricopa County offers a FREE and simple solution to Mortgage Companies, Tax Servicing Companies, Developers and other multi-account payers – The Corporate Services System (CSS).

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Arizona Revised Statutes (42-18051/E) allows County Treasurers to require electronic transmission of tax payment support documentation from third party payers or entities with a high volume of accounts.


Why CSS?

Why CSS?

The CSS was designed for any entity making regular tax payments, annually or semi-annually, for 20 or more tax accounts (real estate parcel, mobile home, business personal property, and/or centrally assessed) at the same time.

Typical clients include: tax services, mortgage companies, real estate developers and investors, banks (reo), utilities companies and railroads, retail store chains and restaurants, management companies, and individuals.

The CSS clients manage their accounts and payments through electronic request and payment files.

CSS is exclusively for current year tax processing.


What is required?

What is required?
  • Internet access.
  • Electronic Spreadsheet: MicroSoft Excel, Lotus 1-2-3, Apache OpenOffice Calc, or a Text file saved the comma delimited format (.CSV).
  • No special hardware is required.


What is the CSS process?

CSS Process
  • A request file is uploaded to the CSS.
  • Once all accounts are stored, a payment file is generated and available through the CSS for download.
  • The payment file, once reviewed and edited, if necessary, is uploaded to the CSS.
  • Payment is remitted with a corresponding remittance voucher, generated through the CSS.


How is Payment remitted?

Payment

Payment is submitted by check, ACH credit, or wired funds. (Currently credit card and ACH debit are not available options.)


How do I register?

How to register

Contact the Corporate Services representative at (602) 506-6052.


What is the mailing address?

Mailing Address
  • Attention: Corporate Services
  • Maricopa County Treasurer's Office
  • 301 West Jefferson, Suite 100
  • Phoenix, Arizona 85003-2199


For more information about the CSS or how to apply for access, please contact the Corporate Services department at (602) 506-6052.
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CP Expirations Legal Changes


There has been a change in CP Liens that is applicable to lienholders. Beginning September, 2019, SB1236 will include a provision that modifies the language in §A.R.S. 42-18127 Section A.

The original certificate of purchase, in addition to all subsequent taxes (sub taxes) will expire if an action to foreclose has not commenced within ten years after the last day of the month in which the original certificate was acquired.

Pursuant to this legislation, tax liens eligible for expiration will include the original certificate and all related sub taxes in the expiration process. Those liens with deadlines that are already in effect will not be affected however it will affect all future sub taxing liens so that the deadline will expire within a ten year period after the last day of the month that it was acquired and time limits cannot be extended to the original purchase.

You should consult your attorney for further advice.

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Elderly Assistance Program


We have been receiving many phone calls from seniors expressing shock and dismay at the significant increase in their property tax bills. It is tragic. Treasurer Royce T. Flora has been trying for five years to get the legislature to reclassify low-income seniors’ homes in order to lower their ever-increasing property taxes. Several different players have defeated these efforts each year, which has led to a doubling of many folks’ property taxes this year. Treasurer Flora is not giving up. Please click on this LINK to read a letter to legislators explaining the Treasurer’s disappointment in their failure to help our needy seniors. With the enthusiastic help of Representatives Bob Thorpe (R-Flagstaff) and Anthony Kern (R-Phoenix), Treasurer Flora will again champion the effort to get a bill passed by legislators and signed by the governor in 2020.

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October 24, 2019
PRESS RELEASE

COUNTY TREASURER ROYCE FLORA RESPONDS TO UNWARRANTED ATTACK

BY LEACH


The political attack made by Vince Leach, from Pinal County, on the Maricopa County Treasurer’s Office is neither factual nor warranted. The Maricopa County Treasurer has complied with the new law to mail out 2019 Property Tax notices to property owners with a mortgage. As required by SB1033, “ARS § 42-18054: (a) tax statement sent to the mortgagor shall be a written document and may be in any form established by the county treasurer.” This was done.

In an effort to mitigate the costs of this unfunded mandate, Treasurer Royce Flora designed a postcard-size notice like the ones discontinued four years ago because it duplicated information already provided to the taxpayer from both the Assessor and the mortgage companies. Mr. Leach’s unfunded mandate in the SB1033 law cost Maricopa County taxpayers an additional $230,000.00 for printing and mailing, alone. That is not “childish” money.

Mr. Leach’s complaints appear to be a form of retaliation against Treasurer Flora and this office. Mr. Leach did not support Treasurer Flora’s efforts to protect low-income seniors from ever increasing property taxes, and helped lead the effort to kill the bill putting seniors at risk of losing their homes. Mr. Leach was told about the cost before the bill passed and his statement to the Treasurer’s PIO was “have fun.” Maybe that is why people in his county have higher taxes than we do in Maricopa County.

The Maricopa County Treasurer’s Office is the most transparent government entity in the state of Arizona. All our statements, processes, and taxpayer information is on our website, in addition to the several mailings and email blasts throughout the year. Our website is easily accessed and user-friendly. In fact, over 300,000 property owners have accessed our website for their specific property tax information, in addition to general information that it provides.

Treasurer Flora will continue to look for ways to lower costs to taxpayers and, in particular, will work with like-minded elected officials to relieve the tax burden on low income seniors. Mr. Leach clearly is not one of them.

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Parcel number 123-45-678 9, can be entered as 123 45 678

Parcel number 123-45-678a 9, can be entered as 123 45 678 a

For Mobile Home/Business Personal Property - Use the personal property roll number with a prefix of 9 as the parcel number.
Example: Roll number 60-00-001 8 can be entered as 960 00 001.

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