At $1,639 in June 2026, Zillow’s ZIP-level ZORI for 85032 has barely moved over the past year. Its exact same-month annualized change was 0.31% over one year and 0.10% over three years, compared with 3.06% over five years. The near-flat recent direction therefore breaks from, rather than confirms, the earlier stronger five-year path; it is a backward-looking measurement rather than a view of the next move. ZORI is a typical observed asking-rent index blended across rental types, making it a market-wide asking-rent signal rather than a quoted rent for a particular listing. The label is both Zillow’s ZIP market identifier and a matched Census ZCTA. A ZCTA is a statistical area and is not identical to a USPS delivery ZIP.
The direct Zillow ZIP ZORI history through its stated endpoint has 138 monthly observations and 100% coverage. Its annualized volatility, calculated from monthly returns, is 2.93%, and its maximum drawdown is 4.01%. Those figures are backward-looking descriptions of dispersion and decline, not forecasts or investment recommendations. They mean a reader should place less confidence in one current rent snapshot than in a continuous record: a stable-looking current month does not erase prior movement. The transparent national discovery ranks among history-eligible ZIPs are 2,338 for momentum, 1,486 for stability, and 2,319 for balanced performance; lower ranks are higher. These ranks sort past patterns rather than establish a future outcome.
Apparent agreement across sources should not be mistaken for equivalence. The matched Census ZCTA’s ACS 2024 five-year median gross rent is $1,609 for occupied renter homes, and it includes selected utilities; it is a survey estimate rather than an asking-rent measure. Current ZORI sits slightly above that ACS figure, but the difference does not convert one measure into the other. The FY2026 local HUD two-bedroom FMR/SAFMR standard is $1,750, above the ZIP index. HUD FMR/SAFMR is an administrative, bedroom-specific standard, not asking rent. Each series describes a different universe, purpose, and construction, so a comparison supplies orientation only.
For size comparisons, the appropriate starting point is the modelled bedroom ladder rather than an assertion that ZORI measured rents by unit type. Scaling ZIP ZORI with the local HUD ladder produces modelled monthly ZIP estimates of $1,302 for a studio, $1,414 for one bedroom, $1,639 for two bedrooms, $2,182 for three bedrooms, and $2,426 for four bedrooms. These are modelled estimates, never measured bedroom rents. The HUD ladder is the allocation input for a mixed-type asking-rent index; it does not document lease prices in those categories. Verify a listing’s actual bedroom count, rent, included utilities, and charges before using the ladder as a comparison.
The income screen and burden statistic answer different aggregate questions, which is another reason not to collapse them into a unit-level conclusion. Matched-ZCTA median household income is $78,643. Applying the 30% screen to the current monthly ZORI yields required annual income of $65,560; this is arithmetic, not advice and not an applicant qualification rule. ACS records 5,532 renter households, or 44.9% of renter households, as rent burdened at the stated threshold. Household income, burden, and the index refer to aggregate measures; they cannot establish an individual tenant’s income, costs, eligibility, or ability to rent a particular unit.
The housing-stock figures describe the recorded mix but do not resolve current listing availability. In the matched ZCTA, ACS records 18,809 single-family units and 5,201 large-multifamily units. The overall vacancy rate is 5.1%, including 376 units classified as vacant for rent. Those are survey housing-base measures, not a live inventory, and vacancy cannot prove that a particular home is available, discounted, or suitable. Nor does the burden share prove anything about a given lease or household. The stock mix, vacancy category, and renter data are context for interpreting aggregates, not evidence of property condition, marketing terms, or turnover.
Wider geographies point to a clear scope distinction: for city scope, Phoenix’s context rent is $1,569.45; for county scope, Maricopa County’s context rent is $1,729; and for metro scope, Phoenix-Mesa-Chandler, AZ’s context rent is $1,733. The ZIP index is above the city context figure but below the county and metro context figures, yet none is a substitute for the ZIP series because each is wider context only. Sampling uncertainty, geography matching, index construction, and bedroom modelling all limit precision. For a property-level decision, confirm the street address and ZIP assignment, advertised rent and date, bedroom count, fees, deposits, utility treatment, lease term, concessions, and availability directly from the listing or provider. Does the documented all-in offer align with the relevant modelled size comparison?
","findings":[{"body":"The short- and medium-horizon same-month results are near flat, while the five-year annualized result is materially stronger. Complete historical coverage and the stated discovery ranks make that contrast traceable, but annualized variability and drawdown show why one asking-rent reading is a dated observation. These historical measures describe prior behavior only; they do not forecast rent movement or support an investment conclusion.","title":"Recent direction is flatter than the longer record"},{"body":"ZORI summarizes typical observed asking rents across rental types. ACS reports survey-based gross rent for occupied renter homes and includes selected utilities, while HUD FMR/SAFMR standards are administrative and bedroom specific. Similar figures can provide orientation, but they cannot be substituted for one another or used to establish a lease price. The ZCTA/ZIP match is a geographic convenience, not equivalence to a postal delivery area.","title":"Source measures answer different questions"},{"body":"The bedroom ladder rescales ZIP ZORI using the local HUD schedule, producing modelled estimates for comparing size categories. It does not measure advertised or executed rents for studios, one-bedroom homes, or larger units. A reader should obtain the exact advertised rent, lease term, included utilities, fees, and bedroom count for the property under review before comparing it with this ladder.","title":"Bedroom values are modelled, not observed"},{"body":"The income figure attached to the rent index is a simple thirty-percent arithmetic conversion, not rental advice or a qualification rule. Aggregate burden, vacancy, tenure, and housing-stock data identify conditions in the matched ZCTA survey universe, not outcomes for a unit. They cannot establish whether a particular household can afford, obtain, or occupy a specific available home.","title":"Affordability screens require household and property detail"}],"risks":["Zillow’s index is blended across rental types and records a typical asking-rent signal, so it may not match a unit’s advertised price, effective rent, concessions, utilities, lease duration, or availability date.","ACS estimates describe occupied renter homes over a multi-year survey period and include selected utilities. Sampling uncertainty and the ZCTA geography mean they cannot be read as a current quote for a USPS-delivered address.","The bedroom ladder is modelled from a blended index and a local HUD schedule. It does not observe bedroom-specific leases, so quoted rent, utility treatment, fees, and terms can differ from its figures.","City, county, and metro figures are wider context with different geographic scope. Comparisons can frame the ZIP signal but cannot establish the rent, supply, affordability, or availability of a specific property."],"qa":[{"a":"It reports the ZIP-wide typical observed asking-rent index at the stated period, not a listing quote. The recent same-month changes were very small relative to the longer five-year result. Historical volatility, drawdown, and rankings are retrospective measures, so they contextualize the snapshot without projecting rent, return, or investment performance.","q":"What does the current Zillow reading say about the recent path?"},{"a":"ACS measures gross rent among occupied renter homes in a five-year survey and includes selected utilities. ZORI is a blended asking-rent index across rental types. HUD FMR/SAFMR is an administrative standard set by bedroom size. Their values may be compared for context, but their distinct universes and construction prevent direct substitution.","q":"Why cannot ACS and HUD values be treated as asking rent?"},{"a":"The required-income figure annualizes the current monthly index and applies a thirty-percent share of gross household income. It is an arithmetic screen only, not advice or an applicant qualification rule. The burden measure is an aggregate survey statistic, so neither figure establishes a specific renter’s income, expenses, eligibility, or actual housing choice.","q":"How should the required-income and burden figures be interpreted?"},{"a":"Verify the street address and ZIP assignment, advertised monthly rent, date of the quote, bedroom count, lease length, deposits, fees, included utilities, concessions, and stated availability. Then compare those documented terms with the appropriate modelled size estimate, while recognizing that the ladder is not a measured rent series for that property.","q":"What should be verified for a specific property?"}],"sources":[{"key":"apartment_list_time_on_market","name":"Apartment List Time on Market — listing liquidity","release":"Apartment List 2026-07","pulledAt":"2026-08-08","url":"https://www.apartmentlist.com/research/category/data-rent-estimates"},{"key":"apartment_list_vacancy","name":"Apartment List Vacancy Index — rental vacancy","release":"Apartment List 2026-07","pulledAt":"2026-08-08","url":"https://www.apartmentlist.com/research/apartment-list-vacancy-index-methodology"},{"key":"census_zcta_facts","name":"Census ACS five-year — ZCTA housing and income","release":"ACS 2024 5-year ZCTA","pulledAt":"2026-08-08","url":"https://api.census.gov/data/2024/acs/acs5.html"},{"key":"hud_zip","name":"HUD USPS crosswalk and Small Area FMRs — ZIP rent 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