Enforceability Status
Arizona does not have a single statewide statute mandating certificates of occupancy for residential construction. CO requirements are established by municipalities and counties that adopt the International Building Code or International Residential Code. A contract clause making the CO irrelevant may conflict with applicable local building codes, but enforceability depends on the specific jurisdiction.
Legal Analysis
In Arizona, building code adoption and enforcement occurs primarily at the municipal and county level. Most Arizona cities and towns, including Phoenix, Tucson, Scottsdale, Mesa, and Chandler, adopt versions of the International Building Code (IBC) and International Residential Code (IRC), which require a certificate of occupancy before a residential structure may be occupied. Ariz. Rev. Stat. Section 9-802 authorizes municipalities to adopt building codes.
Because CO requirements are locally imposed rather than mandated by a single statewide statute, the enforceability of a contract clause disclaiming the relevance of the CO depends on the specific jurisdiction where the home is located. In municipalities that have adopted the IBC or IRC, the CO is a regulatory requirement that exists independently of the purchase contract.
Arizona courts generally uphold freedom of contract but have recognized that contractual provisions may be unenforceable when they conflict with regulatory requirements or public policy. A clause that pressures a buyer to close on a home that has not received a CO could be challenged as contrary to the public policy underlying local building codes, though no published Arizona appellate decision has directly addressed this issue.
Buyers building in Arizona should determine whether their local jurisdiction requires a CO and should not rely solely on the purchase contract to define their occupancy rights. The CO process verifies compliance with minimum building safety standards, including structural integrity, electrical systems, plumbing, and fire safety.
Relevant Arizona Law
Authorizes Arizona municipalities to adopt building codes and establish building safety requirements within their jurisdictions.
Requires a certificate of occupancy before any building may be occupied, as adopted by reference in most Arizona municipal building codes.
Builders in Arizona Using This Clause
What Arizona Buyers Should Know
- Check your municipality's CO requirements CO requirements in Arizona are set locally. Contact your city or county building department to confirm whether a CO is required before occupancy in your jurisdiction.
- Verify CO status before closing Request confirmation from the builder and independently verify with the local building department that the CO has been issued before your closing date.
- Understand the CO's purpose The certificate of occupancy confirms that a building inspector has verified the home meets minimum code requirements for safe occupancy, including structural, electrical, and plumbing standards.
- Seek legal advice on contract clauses If your contract contains a clause making the CO irrelevant, consult an Arizona real estate attorney to understand how this clause may interact with your local building code requirements.