Adopted Regulations

Adopted Regulations Index

The Adopted Regulations Index provides a list of existing rules and/or regulations that departments are required to administer. These requirements address various matters of public interest such as health, safety and environmental effects. These documents are provided in an effort to promote a transparent and open process to all interested parties with regard to regulatory reform.

Regulation Title
Addressing Regulations (PDF) Maricopa County enforces addressing regulations to provide a uniform means of identifying developed property and its improvements for the provision of emergency services, government record keeping, and postal delivery. Primary consideration to the needs of emergency service providers shall always be given by the Address Official when assigning/changing any address.
6/10/2015 Drainage Regulations, Section 1205 of the Zoning Ordinance (PDF) The Planning and Development department regulates drainage of all land within the unincorporated areas of Maricopa County to promote and protect the health, peace, safety, comfort, convenience and general welfare of county residents. The Drainage Regulations apply to all development of land and conditions that may affect drainage systems and patterns. The Planning and Development Department administers the regulations and coordinates with other agencies to ensure that new development does not increase runoff, divert flows or back water onto other properties.
Local Additions and Addenda of Construction Codes (PDF) The document provides local amendments that are in addition to the adopted building codes: 2009 International Building Code, 2009 International Residential Code, 2009 International Mechanical Code, 2009 International Plumbing Code, 2009 International Fuel Gas Code, 2008 National Electrical Code
Subdivision (PDF) The purpose of Maricopa County's Subdivision Regulations is to provide for the orderly growth and harmonious development of the County; to insure adequate traffic circulation through coordinated street systems with relation to major thoroughfares, adjoining subdivisions and public facilities; to achieve individual property lots of reasonable utility and livability; to secure adequate provisions for water supply, power, drainage, protection against flood, storm water retention/detention, sanitary sewerage; paved streets and other accesses; and other health and safety requirements; to consider adequate sites for schools, recreation areas, and other public facilities; to promote the conveyance of land by accurate legal description; and to provide practical procedures for the achievement of this purpose.

Adopted Ordinance Title Description
 November 6, 2020
Zoning (PDF)

TA2019001 – Wireless Communication Facilities (WCF) A text amendment to the Maricopa County Zoning Ordinance, Sections 1202 & 1303, to streamline WCF permitting and to bring the ordinance into alignment with federal rules It deleted requirement for a Conditional Use Permit for a WCF consistent with ordinance requirements and added language regarding qualifying eligible facilities for colocation. This is a lessening of regulatory burden. It was approved by the BOS on 10/7/20 and took effect 30 days later.

 November 6, 2020
Zoning (PDF) 

TA2019002 – Variance Timeframes - A text amendment to the Maricopa County Zoning Ordinance, Section 303, deleting the mandate for construction permitting related to variances to be initiated within 120 days. The idea being that warrant for a parcel to receive a condition will almost always be a condition that exists in perpetuity and not usually a temporal condition necessitating timely construction. This is a lessening of regulatory burden. It was approved by the BOS on 10/7/20 and took effect 30 days later.

 November 6, 2020 Zoning (PDF)

TA2019003 – Home Bases Businesses – A text amendment to the Maricopa County Zoning Ordinance, Sections 501 & 601, further liberalizing regulation and fostering home bases businesses. It brings the ordinance in alignment with recent changes to state law allowing non-resident employees at a home-based business. This is a lessening of regulatory burden. It was approved by the BOS on 10/7/20 and took effect 30 days later.

P-31 May 22, 2013 Ordinance Establishing Fees Related to Licensing Time Frames (PDF) This ordinance shall establish the fees referenced in Exhibit B-Fees of the Maricopa County Ordinance Establishing Licensing Time Frames in Compliance with A.R.S. 11-1601 through A.R.S. 11-1610, No. P-30.
P-30 April 24, 2014 Licensing Time Frames Ordinance (PDF) The purpose of this ordinance is to establish time frames for Administrative Completeness Review and Substantive Review for all licenses issued by regulatory departments and agencies of Maricopa County in compliance with A.R.S. 11-1601 through A.R.S. 11-1605.
P-23 February 15, 2006
Noise (PDF) At and above certain levels, noise is detrimental to the health and welfare of Maricopa County citizens. Therefore, Maricopa County has determined that it is in the best interest of its citizens to control noise in a manner which promotes commerce; the use, value, and enjoyment of property; sleep and repose; and environmental quality. Therefore, it is hereby declared to be the policy of Maricopa County to prohibit excessive, unnecessary, disruptive, and annoying noises from all sources. The Sheriff's Department is responsible for enforcement of the Maricopa County Noise Ordinance. Either contact the Sheriff's at 602-876-1000 or contact the substation in your area.
P-18 May 29, 1969
Zoning (PDF) This Amended Zoning Ordinance is designed to promote the public health, peace, safety, comfort, convenience and general welfare of the of Maricopa County; to guide, control and regulate the future growth and development in order to promote orderly and appropriate use of land in the entire unincorporated area of said county; and to protect the character and the stability of residential, business and industrial areas of Maricopa County.
P-16 December 11, 1978
Military Airport Zoning (PDF) The purpose of this Ordinance is to promote the public health and safety in the vicinity of military airports by minimizing exposure to crash hazards and high noise levels generated by military airport operations and to encourage future development which is compatible with the continued operation of military airports.
P-11 February 21, 1998
Abatement (PDF) The purpose of this ordinance is to provide for the remedy of situations existing on real property which have been determined to have detrimental effects on the public health, safety, and/or general welfare. It provides for the removal of rubbish, trash, weeds, filth, debris, and dilapidated buildings.
P-10 April 23, 1997
Adult Oriented Facilities (PDF) The principal purpose of this Ordinance is to establish licensing procedures and regulations for adult oriented businesses and facilities, and their employees, within the unincorporated areas of Maricopa County. The procedures and regulations contained herein are designed to accommodate these types of businesses and facilities while still recognizing the need to promote the public health, safety and general welfare of the citizens of Maricopa County.