What is a certificate of occupancy and how do I get one?

No one may legally move into a newly built home until the local government signs off that it is finished and safe. That sign-off is the certificate of occupancy (CO), the building official's written confirmation that your finished home was built to the code it was permitted under and is legally safe to live in. You get one by passing every required final inspection. Once the building final and the final electrical, plumbing, and mechanical inspections all pass, the jurisdiction issues the certificate, and that document is your green light to move in. Until it is issued, the home is not legally occupiable, even if it looks done.

What the certificate actually means

Under the International Residential Code (IRC R110) and the parallel building-code provisions most Arizona jurisdictions adopt, a building cannot be used or occupied until the building official issues a certificate of occupancy. The certificate ties the completed structure back to the approved plans and the code edition in force when the permit was issued. It is both a safety document and a legal one: lenders, insurers, and future buyers may ask to see it, so it matters well beyond move-in day.

How you earn it, step by step

1. Complete the work to the approved plans. The finished home has to match what was permitted. Any field changes should already be on file as approved revisions.
2. Pass the trade finals. Final electrical, plumbing, and mechanical inspections confirm those systems are complete and working.
3. Pass any project-specific finals. If the project includes a pool, perimeter or retaining walls, or a solar array, those carry their own inspections that must clear too.
4. Pass the building final. This is the comprehensive last inspection of the whole home: life-safety items, egress, smoke and carbon-monoxide alarms, grading and drainage, and the overall match to the approved plans.
5. Receive the certificate. When the building final passes, the jurisdiction issues the CO (or records final approval). That is the moment the home is legal to occupy.

Temporary certificates of occupancy

If the home is safe to live in but a few non-critical items remain (a punch-list item, final landscaping, or a detail awaiting a part), some jurisdictions issue a temporary certificate of occupancy (TCO). A TCO lets you move in while you finish the listed items by a deadline, after which the full CO is issued. Whether a TCO is available, and on what terms, is entirely up to the building official.

A note on how it is documented

The exact paperwork varies by jurisdiction. Some issue a formal, separate certificate of occupancy document for every home. Others, for one- and two-family dwellings, record a passed building final as "final approval" that functions as the occupancy clearance rather than printing a distinct certificate. Either way, the principle is the same: do not move in, and do not let utilities go to permanent service, until the building official has signed off. If you ever need proof of occupancy later and are not sure what your jurisdiction issued, the building department can tell you what document to request.

How Jematell Homes handles it

We manage the home to a clean final inspection: keeping the approved plans and any revisions current on site, scheduling the trade and building finals in the right order, and clearing punch-list items so the building official can issue your certificate without a second trip. If a temporary certificate is the right call to let you move in on time, we coordinate that and the remaining work to closeout. Because each jurisdiction names and documents this step differently, we confirm the exact occupancy requirements with your local Authority Having Jurisdiction for your specific permit before you plan a move-in date.