The central tension in 91402 is that Zillow’s typical observed asking-rent index is cooling while the direct resale median is rising. The 91402 label is both a Zillow ZIP market identifier and a Census ZCTA match; a ZCTA is a statistical area and is not identical to a USPS delivery ZIP. In Zillow’s June 2026 reading, the index was $2,117 per month, down 1.34% from a year earlier. It blends observed asking rents across rental types, rather than quoting a signed lease or a particular available home. In Redfin’s direct rolling-three-month resale window, the ZIP median sold price was $724,836, up 9.82% year over year. Annualized Zillow index divided by that sold-price median is 3.50%, a cross-source screening ratio only—not a property yield, net return, cap rate, or valuation.
The supplied history supports the cooling label, but it is a break from its longer path rather than a uniform multiyear decline. Exact same-month annualized Zillow changes were -1.34% for one year, +1.83% for three years, and +4.44% for five years. The history has 100% coverage. At 2.52%, annualized monthly-return variability indicates that a single current index reading deserves measured, not absolute, confidence. Separately, the worst peak-to-trough decline in the supplied series was 1.98%, showing that the observed pullback has been limited relative to the index level. Transparent national discovery ranks among history-eligible ZIPs were 2,348 for momentum, 723 for stability, and 1,843 for balance; lower ranks are higher. These are backward-looking measurements, not forecasts or investment recommendations.
ACS addresses a different rental universe. In the matched Census ZCTA, the ACS 2024 five-year survey of occupied renter homes reports median gross rent of $1,674; gross rent includes selected utilities. That survey median sits 26.46% below the current Zillow index, but the gap should not be treated as a current discount on any advertised unit. Its population, time aggregation, occupied-home focus, and utility treatment differ from Zillow’s blended asking-rent index. HUD adds a third universe: its FMR/SAFMR is a bedroom-specific administrative standard, not an asking-rent observation. These distinct concepts make comparison useful for framing pressure, yet none substitutes for an exact listing, lease, or tenant record.
The required-income screen uses 30% strictly as arithmetic. Annualizing the Zillow index and dividing by that share produces $84,680, while the ACS median household income is $57,369; the corresponding annualized asking-rent-to-income comparison is 44.28%. It is not affordability advice, an underwriting conclusion, or an applicant qualification rule. Within the ACS renter survey, 8,751 of 13,352 renter households—65.54%—are recorded as spending at least that share on rent. That broad burden statistic signals extensive budget pressure in its survey universe, yet it cannot prove the burden, utility bill, lease terms, or actual availability associated with a particular unit. A household’s income and costs may differ materially from either ZIP-level benchmark.
Supply composition reinforces why ZIP-level averages need restraint. The matched ZCTA has 20,588 housing units, a 2.37% overall vacancy rate, and renter households make up 66.43% of occupied homes. Large multifamily structures outnumber single-family units in the reported stock, so neither category alone defines the rentals in Zillow’s blend. Overall vacancy is a stock measure, not proof that a named unit is vacant, rentable, or available on a given date. For wider context only, the Los Angeles city context Zillow rent is $2,773, the Los Angeles County context Zillow rent is $2,808, and the Los Angeles–Long Beach–Anaheim metro context Zillow rent is $2,927. Those city, county, and metro figures describe wider geographies, not ZIP rental comps.
The bedroom figures are a modelled ladder, not measured bedroom rents. Scaling the ZIP Zillow index using the local HUD ladder produces modelled monthly estimates of $1,642 for a studio, $1,750 for one bedroom, $2,117 for two bedrooms, $2,784 for three bedrooms, and $3,222 for four bedrooms. The supplied HUD two-bedroom FMR/SAFMR standard is $3,070, an administrative benchmark rather than evidence that a two-bedroom in 91402 is offered or leased at that amount. The ladder preserves local HUD bedroom relationships while anchoring its two-bedroom point to the ZIP index; it does not replace unit-specific asking-rent comparables. Differences in utilities, size, condition, lease duration, and rental type remain outside this calculation.
Resale liquidity offers a separate check on the headline tension, not a rental comparable. The Redfin block is a direct rolling-three-month ZIP for-sale observation: 50 homes sold, median marketing time was 47 days, and months of supply were 4.3. Active listings increased year over year even as Redfin’s reported inventory count declined. The average sale-to-list result was 99.33%, and only a minority of sales closed above list. These are resale transaction and listing signals, not rental transactions, property operating economics, or metro evidence. The sold-price rise challenges any simple reading that the recent asking-rent decline necessarily reflects broad housing-price weakness; conversely, cooling Zillow rent tempers an attempt to infer rent acceleration from resale prices. No causal link is established.
Timing and scope impose the final limit. Zillow’s current and historical measures end in June, Redfin’s window is also a June resale observation, ACS is a retrospective five-year survey, and HUD is a fiscal-year standard; they should not be merged into a single contemporaneous transaction database. The history does not forecast future rents, and the screening ratio does not estimate an owner’s net result. Property-level interpretation requires verification of the exact advertised rent, lease term, utilities, fees or concessions, bedroom and bathroom count, size, condition, and live availability. For a resale comparison, the needed facts are the actual closed sale, listing terms, dates, and similarity of the property to the subject. Which of those unit-specific facts changes the broad ZIP signals most?
","findings":[{"body":"Zillow’s June index fell 1.34% from a year earlier after positive three- and five-year annualized paths. Redfin’s direct ZIP rolling resale median rose 9.82% year over year. The divergence is a decision tension, not evidence that either market causes the other. The annualized-rent-to-sale-price figure is only a cross-source screen and cannot describe property cash flow.","title":"Rent cooling and resale-price divergence"},{"body":"Zillow is a blended asking-rent index, ACS is a multiyear survey of occupied renter homes whose gross rent includes selected utilities, and HUD is an administrative bedroom standard. The ZCTA match is statistical rather than a USPS delivery geography. Their numerical gaps can frame questions, but they cannot be converted into lease-level, utility-specific, or unit-level facts.","title":"Three rental universes require separate interpretation"},{"body":"The annualized Zillow index is above the local ACS median-household-income screen, while the ACS renter burden count is high within its survey universe. A renter-majority occupied stock and low overall ZCTA vacancy rate add context, but neither proves that a particular property is available, affordable, or representative of the ZIP index.","title":"Broad affordability pressure is visible in ACS"},{"body":"Redfin’s direct rolling resale measures show price growth alongside sales activity, marketing time, supply, inventory movement, and nearly at-list average outcomes. That resale picture challenges a simplistic inference from Zillow’s recent rent decline. It remains a for-sale observation, however: neither transaction prices nor listings are rental transactions or measures of a property’s operating result.","title":"Resale measures describe liquidity, not rental economics"}],"risks":["Boundary risk: 91402 is matched to a statistical ZCTA, not a USPS delivery ZIP. Any address can have different delivery, unit, and property characteristics from the geography-level measures reported here.","Timing risk: the current rent index and resale window are June observations, while ACS averages occupied renter conditions across a retrospective five-year period. Apparent gaps may be conceptual or temporal rather than changes in one identical market.","Model risk: bedroom figures inherit the ZIP index and HUD standard relationships. They omit exact unit size, condition, utility responsibility, lease length, fees, concessions, and the availability of comparable listings.","Resale-screen risk: annualized Zillow rent divided by Redfin median sold price omits financing, operating costs, taxes, maintenance, vacancy experience, and property mix. It is not a property cash-flow, return, or valuation measure."],"qa":[{"a":"It is Zillow’s ZIP-level typical observed asking-rent index for the stated month, blended across rental types. It is not a measured bedroom rent, a signed-lease record, an ACS gross-rent median, or a guarantee that an advertised address is available at that price.","q":"What does the Zillow asking-rent figure measure?"},{"a":"Each modelled bedroom estimate scales the single ZIP Zillow index by the relative steps in the supplied local HUD ladder. The result is a consistent studio-to-four-bedroom set of estimates, but it remains a model. HUD FMR/SAFMR is administrative, and neither figure observes a particular unit’s asking or signed rent.","q":"How were the bedroom estimates created?"},{"a":"No. The number simply annualizes the ZIP asking-rent index and divides by the specified 30% share. It is not advice, an applicant qualification test, or underwriting. The ACS burden figure is separately a survey-wide count of renter households and cannot assign burden to one household or unit.","q":"Does the required-income figure qualify an applicant?"},{"a":"Redfin reports ZIP for-sale and resale evidence in a rolling three-month window, including sold price, sales, time on market, supply, inventory, and list-price signals. It does not report rental leases or apartment economics. Its price increase can be compared with rent cooling as a tension, but it establishes neither causation nor a rent forecast.","q":"What does the Redfin information add to the rental analysis?"}],"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 FY2026","pulledAt":"2026-07-26","url":"https://www.huduser.gov/portal/datasets/usps_crosswalk.html"},{"key":"realtor_county","name":"Realtor.com Economic Research — county listing inventory","release":"county inventory 2026-06","pulledAt":"2026-07-28","url":"https://www.realtor.com/research/data/"},{"key":"redfin","name":"Redfin Data Center — inventory, days on market, and price cuts","release":"metro tracker through 2026-05-01","pulledAt":"2026-07-26","url":"https://www.redfin.com/news/data-center/"},{"key":"redfin_zip","name":"Redfin Data Center — ZIP resale activity and supply","release":"ZIP rolling 3 months through 2026-06-30; updated 2026-07-03","pulledAt":"2026-08-12","url":"https://www.redfin.com/news/data-center/"},{"key":"zillow_county","name":"Zillow ZHVI and ZORI — county values and rents","release":"county ZHVI/ZORI 2026-06","pulledAt":"2026-07-26","url":"https://www.zillow.com/research/data/"},{"key":"zillow_zori","name":"Zillow ZORI — metro market rents","release":"Metro_zori_uc_sfrcondomfr_sm_sa_month.csv","pulledAt":"2026-07-26","url":"https://www.zillow.com/research/data/"},{"key":"zillow_zori_city","name":"Zillow ZORI — city market rents","release":"zillow_zori_city.csv","pulledAt":"2026-07-29","url":"https://www.zillow.com/research/data/"},{"key":"zillow_zori_zip","name":"Zillow ZORI — ZIP market rents","release":"ZORI ZIP 2026-06","pulledAt":"2026-08-08","url":"https://www.zillow.com/research/data/"}],"history":[{"period":"2021-04-01","rent":1662.505022},{"period":"2021-05-01","rent":1672.948634},{"period":"2021-06-01","rent":1703.693518},{"period":"2021-07-01","rent":1722.841215},{"period":"2021-08-01","rent":1736.730975},{"period":"2021-09-01","rent":1740.070027},{"period":"2021-10-01","rent":1763.775414},{"period":"2021-11-01","rent":1777.041669},{"period":"2021-12-01","rent":1792.450266},{"period":"2022-01-01","rent":1815.305342},{"period":"2022-02-01","rent":1821.679008},{"period":"2022-03-01","rent":1837.032946},{"period":"2022-04-01","rent":1850.770057},{"period":"2022-05-01","rent":1864.535762},{"period":"2022-06-01","rent":1882.20867},{"period":"2022-07-01","rent":1899.393237},{"period":"2022-08-01","rent":1925.300369},{"period":"2022-09-01","rent":1933.743719},{"period":"2022-10-01","rent":1938.912213},{"period":"2022-11-01","rent":1941.255704},{"period":"2022-12-01","rent":1966.626503},{"period":"2023-01-01","rent":1980.770981},{"period":"2023-02-01","rent":2008.955488},{"period":"2023-03-01","rent":2020.594755},{"period":"2023-04-01","rent":2025.195442},{"period":"2023-05-01","rent":2021.252053},{"period":"2023-06-01","rent":2004.882737},{"period":"2023-07-01","rent":2014.318004},{"period":"2023-08-01","rent":2028.936119},{"period":"2023-09-01","rent":2052.057252},{"period":"2023-10-01","rent":2056.553446},{"period":"2023-11-01","rent":2062.891085},{"period":"2023-12-01","rent":2048.299918},{"period":"2024-01-01","rent":2042.661031},{"period":"2024-02-01","rent":2042.890898},{"period":"2024-03-01","rent":2053.994721},{"period":"2024-04-01","rent":2066.625579},{"period":"2024-05-01","rent":2045.547181},{"period":"2024-06-01","rent":2084.310514},{"period":"2024-07-01","rent":2093.426351},{"period":"2024-08-01","rent":2107.237771},{"period":"2024-09-01","rent":2103.910722},{"period":"2024-10-01","rent":2104.34587},{"period":"2024-11-01","rent":2125.488397},{"period":"2024-12-01","rent":2153.224416},{"period":"2025-01-01","rent":2153.414362},{"period":"2025-02-01","rent":2152.060618},{"period":"2025-03-01","rent":2115.42616},{"period":"2025-04-01","rent":2124.525515},{"period":"2025-05-01","rent":2125.971142},{"period":"2025-06-01","rent":2145.608085},{"period":"2025-07-01","rent":2140.996308},{"period":"2025-08-01","rent":2128.240719},{"period":"2025-09-01","rent":2127.999444},{"period":"2025-10-01","rent":2133.301553},{"period":"2025-11-01","rent":2122.299113},{"period":"2025-12-01","rent":2110.815418},{"period":"2026-01-01","rent":2117.057825},{"period":"2026-02-01","rent":2118.237921},{"period":"2026-03-01","rent":2142.38075},{"period":"2026-04-01","rent":2132.295716},{"period":"2026-05-01","rent":2144.987649},{"period":"2026-06-01","rent":2116.785714}],"historySummary":{"pointCount":63,"firstPeriod":"2021-04-01","latestPeriod":"2026-06-01","coverageMonths":63,"coverageRatio":1,"changes":{"1":{"years":1,"startPeriod":"2025-06-01","endPeriod":"2026-06-01","startRent":2145.608085,"endRent":2116.785714,"change":-0.01343319462743342,"cagr":-0.01343319462743342},"3":{"years":3,"startPeriod":"2023-06-01","endPeriod":"2026-06-01","startRent":2004.882737,"endRent":2116.785714,"change":0.055815222972813716,"cagr":0.0182692753457272},"5":{"years":5,"startPeriod":"2021-06-01","endPeriod":"2026-06-01","startRent":1703.693518,"endRent":2116.785714,"change":0.24246860813612603,"cagr":0.044376485467897187}},"maxDrawdown":-0.01978204694447927,"annualizedVolatility":0.025164526035725568,"consecutiveReturnCount":62}}