ZIP 85251 is both a Zillow ZIP market identifier and a match to a Census ZCTA. A ZCTA is a statistical area and is not identical to a USPS delivery ZIP. In June 2026, Zillow’s ZIP-level ZORI was $2,020 per month, a typical observed asking-rent index blended across rental types rather than a quote for a particular home. For wider context, Scottsdale city’s asking-rent index was $2,173, Maricopa County’s was $1,729, and the Phoenix-Mesa-Chandler, AZ metro’s was $1,733; these are broader-geography context values, not ZIP rental comps. The ZIP reading therefore sat below the city context while exceeding both the county and metro contexts.
Backward-looking ZORI history shows a modest recent rise within a less uniform multiyear path: exact same-month annualized changes were 1.8% over one year, 0.7% over three years, and 2.8% over five years. Recent direction thus confirms the longer positive path, but not at the faster pace implied by the full five-year comparison. Monthly rent changes were comparatively uneven, with annualized monthly-return variability of 3.6%, so one current rent snapshot deserves measured confidence rather than being treated as a stable endpoint. The worst observed peak-to-trough decline was 3.1%, a separate indication that declines occurred despite the positive longer-run change. Coverage was 100%, and transparent national discovery ranks among history-eligible ZIPs were 1,845 for momentum, 2,296 for stability, and 2,410 for the balanced measure, where lower ranks are stronger. These are historical measurements, not forecasts or investment recommendations.
Bedroom detail is modelled rather than measured. Scaling the ZIP ZORI by the local HUD bedroom ladder produces modelled monthly estimates of $1,598 for a studio, $1,735 for a one-bedroom, $2,020 for a two-bedroom, $2,690 for a three-bedroom, and $2,984 for a four-bedroom. The estimates preserve the local HUD ladder’s bedroom relationships while anchoring the level to the ZIP asking-rent index; they do not report observed asking rents for individual bedroom classes. HUD FMR/SAFMR is an administrative, bedroom-specific standard, not asking rent, so its role here is to structure the modelled ladder rather than validate a market rent for a particular available unit.
The matched Census ZCTA provides a different rental universe from Zillow. In the ACS 2024 five-year survey of occupied renter homes, median gross rent was $1,867 and includes selected utilities, whereas Zillow tracks typical observed asking rents across rental types. The asking-rent index was therefore 8.2% above the ACS gross-rent median, a difference consistent with distinct concepts and reference populations rather than a direct contradiction. ZCTA median household income was $92,851, making the index-level asking-rent-to-income arithmetic 26.1%. Applying a 30% share of income to the monthly index produces a required annual income of $80,800. That is an arithmetic screen, not advice and not an applicant qualification rule. Separately, ACS estimated that 4,460 of 11,334 renter households, or 39.4%, spent at least 30% of income on gross rent; this survey burden measure does not establish the cost position of any specific household or unit.
The ACS housing snapshot shows 26,458 housing units, including 4,440 vacant units, for an aggregate vacancy rate of 16.8%. Renter households represented 51.5% of occupied homes, placing renter occupancy slightly above owner occupancy in the matched ZCTA. The stock also included 11,699 units in larger multifamily structures, a composition measure that helps frame the rental base but does not identify lease terms, condition, or availability. Aggregate vacancy is relevant context for the current asking-rent reading, yet it cannot prove that a specific rental is vacant, competitively priced, or subject to concessions. Nor can the renter share establish demand for a particular bedroom type. These measures describe the survey-area stock and occupancy structure, not a live inventory feed.
The direct rolling-three-month ZIP resale observation describes the for-sale market only, not rental transactions. ZIP median sold price was $574,870, down 4.2% year over year, while 265 homes sold. Marketing time was 79 days, inventory was 436 homes, and months of supply stood at 5. Sale-to-list signals were also softer than full-price conditions: the average sale-to-list ratio was 96.1%, and 3.1% of sales closed above list price. Together, these resale figures provide a direct view of ZIP transaction liquidity and price negotiation, but they are neither rental comparables nor evidence of property operating performance. They should not be merged with the ACS renter survey or treated as a measurement of a landlord’s realized rent.
Cross-source arithmetic sharpens the main tension. Annualized ZIP ZORI divided by the ZIP median sold price equals 4.2%, but this is only a screening ratio; it is not a cap rate, net return, expected return, or property yield. The rent history and current asking-rent index show modest upward movement, while the direct resale observation shows a lower median sold price, lengthy marketing time, and below-list sale signals. That resale evidence challenges any simple reading that rising asking rents alone indicate uniformly strengthening housing-market conditions. Meanwhile, the income screen falls below its arithmetic threshold for the median-income benchmark, yet the ACS burden share indicates that a material portion of renter households still faced higher gross-rent burdens. The evidence is informative precisely because these signals do not move in lockstep.
A property-level review would still need the actual advertised rent, bedroom count, included utilities, lease term, concessions, fees, furnishing status, availability date, and comparable current listings. It should also distinguish a unit’s building type and condition from the ZCTA’s aggregate stock mix, and distinguish a seller’s list strategy from a rental owner’s asking-rent practice. ACS survey estimates carry sampling uncertainty, Zillow is an index rather than a lease ledger, HUD standards are administrative, and Redfin reflects closed resale activity over a rolling period. Those limits mean the packet can frame questions about price level, burden, stock, and resale liquidity, but cannot verify the economics or availability of a specific property.
","findings":[{"body":"The current Zillow asking-rent index is above its year-earlier level and remains above its three-year comparison point, but the intermediate growth pace is modest. Historical variability and the recorded drawdown show that the path has not been smooth. The current reading is useful as a ZIP-level benchmark, but it should not be treated as a guaranteed rent trajectory.","title":"Asking-rent direction is positive but uneven"},{"body":"Studio through four-bedroom amounts are modelled estimates created by scaling the ZIP asking-rent index with the local HUD bedroom ladder. They are not measured bedroom-specific asking rents, lease transactions, or HUD rent requirements. Their decision value is comparative: they show how the local administrative bedroom ladder changes the index-level rent benchmark across unit sizes.","title":"Bedroom figures are model outputs"},{"body":"The median-income arithmetic screen places the current asking-rent index below a thirty-percent income share, while the ACS survey reports a substantial share of renter households paying at least that share of income toward gross rent. These results are not inconsistent because the first is an index-based calculation and the second is a survey measure of occupied renter households, including selected utilities.","title":"Affordability indicators point in different directions"},{"body":"Direct ZIP resale evidence shows a declining median sold price, longer marketing time, available inventory, and average sales below list price. Those for-sale signals contrast with the modest rise in the asking-rent index. The annualized rent-to-price figure is useful only as a cross-source screening ratio and cannot establish net operating income, financing costs, expenses, or investment performance.","title":"Resale conditions temper the rent signal"}],"risks":["Zillow’s ZIP index is a blended typical asking-rent measure across rental types, so it cannot verify the asking rent, achieved lease rent, concessions, utility treatment, or availability of a particular property.","ACS data apply to a matched Census ZCTA and are five-year survey estimates for occupied homes; the ZCTA is statistical geography, not the same thing as a USPS delivery ZIP.","The bedroom ladder is modelled from ZIP ZORI and HUD relationships. It should not be used as evidence that a specific studio, apartment, or house is advertised or leased at that amount.","Redfin resale measures are limited to a rolling ZIP for-sale observation. Sale price, supply, and sale-to-list patterns do not measure rental transactions, operating costs, or property-level income."],"qa":[{"a":"They measure different universes. Zillow ZORI is a ZIP-level typical observed asking-rent index blended across rental types. ACS median gross rent is a five-year survey estimate for occupied renter homes and includes selected utilities. Different timing, geography, populations, and utility treatment mean the values are contextually comparable but not interchangeable.","q":"Why does the report show different rent figures from Zillow and ACS?"},{"a":"They are modelled monthly ZIP estimates, not observed rents. The method starts with the ZIP Zillow asking-rent index and applies the local HUD bedroom ladder to distribute that benchmark across bedroom sizes. HUD FMR or SAFMR is an administrative standard rather than an asking-rent dataset, so the ladder does not provide direct rental comps.","q":"How should the bedroom estimates be interpreted?"},{"a":"It divides the annualized asking-rent index by a thirty-percent income share to show the income associated with that arithmetic threshold. It is not advice, an affordability determination for every household, or an applicant qualification rule. Actual household costs can differ because rents, utilities, fees, income, and household composition vary.","q":"What does the required-income screen indicate?"},{"a":"The direct ZIP resale observation describes for-sale transaction conditions, including sold prices, marketing time, supply, and sale-to-list signals. It can highlight whether resale conditions appear aligned with or in tension with the rent index. It cannot provide rental comps, establish operating income, or convert the rent-to-price screen into a cap rate.","q":"What can the resale data add to a rental review?"}],"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 fallback","release":"ZIP-CBSA 2025Q4 + SAFMR 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