If a Maricopa County property has more than one onsite wastewater system, a single transfer document may not tell you what happened to each system. The County’s ownership-transfer instructions call for a separate Report of Inspection for each system but one Notice of Transfer per parcel, which can list multiple facilities. Identify the document you need first. Then use the County’s septic-record search or research request, keeping building-permit records separate.
Match the document to the unit it describes
The County assigns the seller the handoff of inspection reports and available permit or maintenance documents to the buyer. The buyer files the parcel notice after transfer through the County’s linked Permit Center. Keep the reports and notice as separate records. A copy of one does not establish that the other was completed or accepted.
For a hypothetical property with a conventional tank and a separate alternative facility, create a short matching list:
- Facility A: Report of Inspection date, system description and any permit number printed on that report.
- Facility B: Its own report date, description and identifier, even if the same inspector visited both.
- Parcel: Notice of Transfer filing date and parcel number, if a copy is available. Check that it names the relevant facilities rather than assuming one report covers the parcel.
This comparison answers a records question, not whether either system currently works. An inspection report reflects the inspection it documents, while an earlier installation permit addresses a different event. Our Maricopa building-permit history guide covers construction permits; its result is not a septic inspection report.
The dates that tell you whether the transfer paperwork fits
Arizona’s rule, which the County applies, puts each document on a clock. Check your copies against it before you search, because a date outside the window points to a different event, not a lost record. The County’s transfer page sets out these steps:
- Inspection within six months before closing. A qualified inspector under Arizona Administrative Code R18-9-A316 must inspect each system and fill out the state Report of Inspection form. Any significant waste must be pumped from each tank. A report dated more than six months before the closing date belongs to an earlier sale or a repair.
- Handoff before closing. The seller gives the buyer the completed report and any permit or maintenance papers the seller has.
- Notice of Transfer within 15 calendar days after closing. The buyer files it through the County’s online Permit Center. The fee is $60 per parcel, with one notice covering every system on that parcel.
The rule overrides contract terms that conflict with it, so a purchase contract that waived the inspection doesn’t change what the County expects. A cesspool can’t be transferred with this notice; Arizona rule bars cesspool use for sewage disposal. If your file describes a cesspool, ask the County what record it holds instead of looking for a transfer notice. Questions go to the County’s septic staff at 602-506-6616 or Septicquestions@maricopa.gov.
Search the septic file before paying for research
The County’s Online Septic Research page offers an Online Septic Search Tool for available records at no charge. The entry page first presents a data acknowledgment. If it does not lead to a usable record, use the department research request below. A septic permit or plan may help identify a facility but does not supply a later transfer inspection by itself. The County does not publish a complete date range for the online tool on that research page.
The same County page provides a Septic Research Request Form if self-service does not locate the file. Its actual fields include Site Address, optional Year Installed, Legal Description, Parcel Number, Subdivision Name, and Lot Number. Give the site address and parcel number if known, plus the approximate work or transfer year and the exact document family sought. The form also asks for the purpose of the requested public records. Its research service may charge a fee; check the current terms before submitting.
For an older system, ask separately for the installation permit or as-built, the system-specific inspection report, and the parcel notice if each is material to your question. Name the system type or location on the property if the parcel has more than one. A broad request for “all septic records” may return a plan or permit while leaving the transfer report question unresolved. The County’s public-records page also points septic researchers to the specialized self-service route rather than the general building-permit request category.
If the online result and the transfer packet disagree
Start by checking that the parcel number and facility description refer to the same site. Then compare each report date with the ownership-transfer date and any notice copy. A later report may describe a repair or another transfer, while an older permit may describe the original installation. Preserve the documents with their dates; do not collapse them into a single “septic approved” status.
If the online tool produces no usable record, try the County’s department research request and say exactly which search path and identifiers you used. Also ask the seller or buyer for the report or notice that the County’s transfer instructions say they receive or file. An empty online septic search does not prove there was no system, inspection report, or transfer notice. The public tool covers available records, and the different documents can begin with different people. Our no-result search guide explains why a missing online row should be kept separate from a documented agency response.
Maricopa County transfer, septic-research and public-records pages checked October 20, 2026.