The immediate tension in 85042 is a still-substantial current asking-rent level paired with a negative recent change. Zillow’s 2026-06 ZIP ZORI is $1,691 per month, down 1.8% from the same month a year earlier. ZORI is a typical observed asking-rent index blended across rental types, rather than a lease-by-lease rent quote. Annualizing that index and applying a 30% rent-to-income screen produces $67,640 of required household income; against the ACS median household income of $88,717, the same arithmetic equals 22.9% of income. That screen is arithmetic only, not advice, an applicant qualification rule, or evidence that any household can obtain a specific home.
The backward-looking rent path explains why a single current ZORI reading deserves measured confidence. The exact same-month one-year rent-history measure is -1.8%, the three-year annualized measure is -0.8%, and the five-year annualized measure is positive 3.3%. Recent direction therefore breaks from the longer five-year expansion rather than confirming it. Monthly movement has translated into 3.6% annualized variability, meaning the index has not been perfectly smooth, while the largest observed peak-to-trough drawdown was 4.9%, a distinct measure of realized downside in the historical series. Coverage is complete at 100% across 138 observations. Transparent national discovery ranks among history-eligible ZIPs place momentum at 2,748, stability at 2,284, and the balanced measure at 2,803, with lower ranks representing higher placement. These are historical measurements, not forecasts or investment recommendations.
The five-digit 85042 label is both Zillow’s ZIP market identifier and a Census ZCTA match. A ZCTA is a statistical area and is not identical to a USPS delivery ZIP. In the matched ACS 2024 five-year survey, median gross rent was $1,668 with a $111 margin of error; this survey covers occupied renter homes and includes selected utilities. The current Zillow asking-rent index is therefore 1.4% above that ACS median, but the near match does not make the two measures interchangeable. One reflects a blended asking-rent index, while the other reflects a multi-year survey median of occupied homes with a different utility treatment and resident mix.
Bedroom figures should be read as modelled estimates, not measured bedroom rents. The local HUD ladder supplies the relative bedroom scaling, with the FY2026 two-bedroom HUD FMR standard at $1,780. HUD FMR or SAFMR is an administrative, bedroom-specific standard rather than asking rent. Scaling ZIP ZORI through that local ladder produces modelled monthly estimates of $1,340 for a studio, $1,454 for one bedroom, $1,691 for two bedrooms, $2,252 for three bedrooms, and $2,498 for four bedrooms. The two-bedroom estimate aligns mechanically with the ZIP index because it is the scaling anchor; none of these figures identifies an observed asking rent for a particular available unit.
ACS housing and burden measures add a separate affordability constraint. Of 5,158 renter-occupied homes in the ZCTA survey, 55.3% reported gross-rent burdens at or above 30% of household income. That population result neither proves burden for a particular household nor establishes the cost of a particular unit. The ZCTA contained 16,609 housing units, of which 15,940 were occupied, producing a 4.0% vacancy rate. Its housing stock was predominantly single-family, with 13,349 single-family units and 933 units in larger multifamily structures. These counts describe surveyed area composition and vacancies across all uses; they do not show whether a rental is vacant, rentable, suitably configured, or offered at the ZORI level.
Wider comparisons place the ZIP between lower city context and higher county or metro context, but none substitutes for ZIP evidence. Phoenix city context rent is $1,569, below the ZIP asking-rent index. Maricopa County context rent is $1,729, above the ZIP measure, while Phoenix-Mesa-Chandler, AZ metro context rent is $1,733. The metro context rent-to-income measure is 23.6%, compared with the ZIP’s arithmetic asking-rent-to-income result described above. These city, county, and metro figures are wider-geography context only, potentially using different housing mixes and measurement universes. They indicate that 85042’s current asking-rent signal sits above the named city context but below the named county and metro contexts.
Redfin’s direct rolling-three-month ZIP resale observation describes the for-sale market, not rental transactions. Its median sold price was $404,908, down 6.8% year over year, with 108 homes sold and 58 median days on market. Inventory stood at 145 homes and months of supply measured 4.1; the average sale-to-list ratio was 98.0%, signaling that the typical sale closed below list on this resale measure. Annualized ZIP ZORI divided by that sold price is a 5.0% cross-source screening ratio only, not a cap rate, net return, expected return, property yield, or property-level income statement. The resale price decline and the one-year rent decline both point to softer recent readings, challenging any interpretation of the screening ratio as a stand-alone positive signal even though lower sold prices can mechanically lift the ratio.
The evidence is strongest as a comparison of distinct measurements rather than a verdict on a property. ZORI supplies the current ZIP asking-rent index and a complete but variable historical path; ACS supplies surveyed household, stock, vacancy, and gross-rent conditions; HUD supplies administrative bedroom standards; and Redfin supplies direct ZIP resale conditions. Important limits remain: ZORI does not identify a unit, ACS is a five-year survey, HUD is not market asking rent, and resale data are not rental comparables. A property-level review would need the actual bedroom count, current asking rent, lease term, included utilities, condition, availability, concession treatment, and relevant sale or listing records. Which of those unit-specific facts would materially change the comparison?
","findings":[{"body":"The current ZIP asking-rent index declined 1.8% over one year and the annualized three-year result was also negative. That contrasts with a positive five-year annualized history. The evidence supports describing a recent break from the longer expansion, not a continuation of it. Variability and the historical drawdown mean one monthly rent snapshot should not carry undue weight.","title":"Recent rent direction conflicts with the longer record"},{"body":"Zillow ZORI was only 1.4% above the ACS median gross-rent estimate, which creates a useful cross-source reference point. Still, ZORI is a blended asking-rent index across rental types, whereas ACS is a five-year survey of occupied renter homes and includes selected utilities. The numerical similarity does not convert either measure into a direct unit-level comparable.","title":"Survey rent and asking rent are close but not equivalent"},{"body":"More than half of surveyed renter households reported spending at least 30% of income on gross rent, while the ZIP’s income screen based on current ZORI sits below the area median household income. Those statements answer different questions. Household-level burden reflects an occupied renter population, while the screen is mechanical arithmetic and cannot determine affordability or qualification for an individual household.","title":"Burden and housing-stock evidence limit simple affordability claims"},{"body":"Redfin’s direct ZIP resale data showed a lower median sold price year over year, below-list average sale outcomes, and extended marketing time. Those for-sale signals align with the recent rent decline more than with a strong momentum narrative. The annualized-rent-to-sold-price figure remains only a cross-source screening ratio and cannot describe operating costs, financing, vacancies, or returns.","title":"Resale softness challenges a simple rent-price interpretation"}],"risks":["The asking-rent index blends rental types, so it cannot establish a comparable asking rent for any particular building, bedroom count, condition, lease term, concession package, or utility arrangement.","ACS estimates describe a matched statistical area over five years and include survey uncertainty, so they should not be treated as a current census of every renter household or vacancy.","HUD bedroom standards are administrative benchmarks rather than observed market rents; the bedroom ladder is modelled from those standards and must not be interpreted as measured rents for available homes.","Redfin resale observations concern homes that sold or were listed in the for-sale market, while the screening ratio omits expenses, financing, taxes, maintenance, actual rents, and property-specific transaction terms."],"qa":[{"a":"They represent separate evidence universes. Zillow ZORI is a typical observed asking-rent index blended across rental types. ACS median gross rent is a five-year survey measure for occupied renter homes and includes selected utilities. HUD FMR or SAFMR is an administrative bedroom-specific standard. Similar values do not make their populations, timing, utility treatment, or intended use equivalent.","q":"Why can Zillow ZORI, ACS gross rent, and HUD FMR differ even when their values appear close?"},{"a":"No. The studio through four-bedroom figures are modelled monthly estimates created by scaling the ZIP ZORI with the local HUD bedroom ladder. They are useful for showing the implied relative bedroom pattern, but they are not measured asking rents, executed leases, or evidence of availability for any individual home, apartment, or landlord offering.","q":"Are the bedroom rent figures observed rents for 85042 apartments or houses?"},{"a":"The history shows negative one-year and three-year annualized same-month changes after a positive five-year annualized path. That break makes a simple long-run growth reading incomplete. Monthly variability and the observed maximum drawdown show that the index has moved meaningfully over time, so the current ZORI should be interpreted as a dated market indicator rather than a stable permanent benchmark.","q":"What does the rent history say about confidence in the current rent snapshot?"},{"a":"Redfin provides direct ZIP resale evidence for the rolling three-month for-sale market, including sold price, sales activity, marketing time, inventory, supply, and sale-to-list outcomes. Dividing annualized ZORI by the median sold price creates only a cross-source screening ratio. It does not calculate cap rate, net income, expected return, property yield, or the economics of a specific property.","q":"How should the Redfin sold-price information and rent-price screening ratio be used?"}],"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 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