The central measured tension is that 90813’s current asking-rent signal is calm while its income screen is stretched. ZIP Zillow ZORI is $1,841, just 0.9% above a year earlier. Against the matched area’s $54,526 median household income, an annual $73,640 would be required to hold that monthly figure to 30% of income; the simple asking-rent-to-income arithmetic is 40.5%. That required-income screen is arithmetic, not advice and not an applicant qualification rule. It flags a broad mismatch between the current index and the reported income midpoint, not what any household or available home can pay.
Backward-looking same-month rent history shows a steadily slowing pace: the one-year change is 0.9%, the three-year annualized change is 1.6%, and the five-year annualized change is 3.7%. Recent direction therefore breaks from, rather than confirms, the stronger longer path. The series has 100% coverage across the available history. Its annualized monthly-return variability is 1.9%, which limits month-to-month noise and supports moderate confidence in a single current index reading. Separately, the maximum drawdown was a 1.4% decline, a shallow historical retreat. Transparent national discovery ranks place stability at 94, balanced performance at 919, and momentum at 1,901; those ranks describe this history only, not a forecast or investment view.
Levels must not be collapsed across sources. The five-digit 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. Zillow ZORI is a typical observed asking-rent index blended across rental types. By contrast, the ACS 2024 five-year survey reports $1,618 median gross rent for occupied renter homes, including selected utilities, and its estimate carries survey uncertainty. The ZORI exceeds that ACS median, a difference in universe rather than proof of a rent change. HUD FMR/SAFMR is an administrative bedroom-specific standard, not asking rent. Scaling ZORI by the local HUD ladder produces modelled estimates—not measured bedroom rents—of $1,428 for a studio, $1,522 for one bedroom, $1,841 for two, $2,421 for three, and $2,802 for four; the corresponding local HUD two-bedroom standard is $3,070.
Household and stock data sharpen the affordability caution without diagnosing any individual unit. The matched ACS ZCTA contains 18,776 housing units, including 4,312 single-family units and 3,178 units in large multifamily structures. Of 14,654 renter-occupied homes, renters account for 84.9% of occupied homes. The reported vacancy rate is 8.1%, with 745 units vacant for rent. An estimated 8,650 renter households, or 59.0%, devote 30% or more of income to gross rent; ACS margins of error apply to these survey estimates. Vacancy and burden do not prove availability, condition, lease terms, or affordability for a particular home.
Broader comparisons are context, not substitutions for ZIP evidence: Long Beach city context shows a $2,363.96 asking-rent index; Los Angeles County context shows a $2,808 asking-rent index; and Los Angeles-Long Beach-Anaheim, CA metro context shows a $2,927 asking-rent index, a 5.4% apartment vacancy rate, and a 36.6% rent-to-income measure. Each value has its named city, county, or metro scope in that sentence. The ZIP’s lower ZORI does not establish a lower cost for comparable homes, because mix, source universe, and geographic coverage differ. It does, however, frame the local income screen as tighter than the metro context measure.
Redfin supplies a different direct rolling-three-month ZIP resale observation, strictly for the for-sale market rather than rental transactions. Its median sold price is $684,845, down 5.7% year over year; 34 homes sold, with a median 72 days on market. There were active listings and inventory of 58 homes, alongside 5.2 months of supply. Sale-to-list averaged 96.2%, while 21.2% sold above list, so the resale signals do not read as uniformly tight. Annualized ZIP ZORI divided by median sold price equals a 3.23% cross-source screening ratio only; it is not a cap rate, net return, expected return, or property yield. The softer price and marketing evidence challenges any simplistic reading of stable rents as a uniformly strong market signal.
The chief decision tension is therefore layered rather than directional. Rent history is unusually stable on its own terms, but the latest growth rate has faded below the multi-year measures. Meanwhile, the current ZORI is below wider asking-rent contexts, yet it sits above the ACS gross-rent median and produces a demanding income screen alongside substantial reported burden. Resale data add a separate caution: they observe sales, not rental demand, and cannot explain the ZORI series or household finances. These are backward-looking measurements with different endpoints, samples, and definitions. They provide no forecast, investment recommendation, causal explanation, or proof that a property’s rent and resale position will move together.
Property-level diligence should preserve those boundaries. Confirm the actual advertised rent, bedroom count, property type, included utilities, concession treatment, availability date, and lease term before comparing a listing with the modelled ladder or ACS gross rent. Check whether an observed vacancy is for rent, for sale, seasonal, or otherwise unavailable, rather than treating area vacancy as a unit availability signal. For a resale comparison, verify that Redfin sale records are genuinely comparable in structure, condition, timing, and list-price history; sold-price evidence is not a rental comparable. Finally, align the current asking index, survey reference period, HUD standard, and resale window before drawing a conclusion. Which of those unit-specific facts would most alter the apparent affordability-versus-resale tension?
","findings":[{"body":"ZIP ZORI is nearly unchanged over the latest year, but the standardized annual income needed to keep that asking-rent index at the 30% screen exceeds the matched area’s median household income. This is a broad affordability comparison, not an applicant test. The ACS burden estimate supplies corroborating household-level context but cannot classify the affordability of a particular listing.","title":"Income screen is the primary tension"},{"body":"Same-month history moves from stronger five-year growth to softer recent growth, while low variability and a shallow drawdown make the observed index less noisy than many volatile series. Those properties support measured confidence in the current index level, not confidence that the recent slowdown will persist. The discovery ranks are historical descriptors, not forward-looking ratings.","title":"Stable history has decelerated"},{"body":"The studio-through-four-bedroom figures are modelled estimates created by scaling the overall ZIP asking-rent index with the local HUD bedroom ladder. They are useful for a standardized size comparison, but HUD is an administrative standard and Zillow ZORI is blended across rental types. Neither source establishes the asking rent of a specific available unit.","title":"Bedroom rents are modelled, not observed"},{"body":"Redfin’s ZIP-only resale data show lower median sold prices, extended marketing time, meaningful supply, and below-list average sale-to-list results. That for-sale evidence is separate from the rental series, but it challenges a simple interpretation that calm asking-rent history alone represents uniformly strong local market conditions.","title":"Resale evidence adds a separate caution"}],"risks":["ZORI, ACS, and HUD each count or standardize different rent concepts. Treating their differences as a negotiated rent, a utility-adjusted comparable, or a price forecast would improperly merge separate evidence universes.","The Census figures are five-year ZCTA survey estimates with sampling uncertainty, and the ZCTA is not a USPS delivery ZIP. Household burdens and vacancy patterns therefore cannot establish circumstances for an individual address.","Redfin covers a rolling three-month set of ZIP resale transactions, not leases. With a limited count of sold homes, median price and marketing metrics may not represent any specific property type or rental segment.","The bedroom figures are modelled by applying the local HUD ladder to the overall ZORI. Actual listings may differ because structure, utilities, concessions, lease duration, and availability are not observed in that model."],"qa":[{"a":"The measures have different populations and construction. Zillow ZORI is a typical observed asking-rent index blended across rental types, whereas ACS median gross rent is a five-year survey statistic for occupied renter homes and includes selected utilities. The ACS geography is a matched statistical ZCTA, not an identical USPS delivery ZIP.","q":"Why does the current asking-rent index differ from ACS median gross rent?"},{"a":"The history shows modest recent appreciation after stronger longer-run growth, so the latest direction is slower than the earlier path. Low variability and a shallow maximum drawdown reduce evidence of sharp historical index swings, supporting moderate confidence in the snapshot’s measurement while providing no basis to forecast its next movement.","q":"What does the rent history say about confidence in the current snapshot?"},{"a":"It is simply annualized ZIP ZORI divided by Redfin’s median sold price, combining an asking-rent index with a direct resale median. It can screen the relationship between two market-level series, but it excludes expenses, financing, vacancy at a property, taxes, maintenance, unit quality, and lease-specific rent terms.","q":"How should the Redfin screening ratio be used?"},{"a":"Verify the actual advertised rent, bedroom configuration, structure type, included utilities, concessions, lease duration, availability, and condition. If using sale evidence, compare only genuinely similar Redfin sale records and verify timing and list history. Area vacancy, burden, HUD standards, and ZORI should not substitute for unit-specific facts.","q":"What should be checked before comparing a particular property with this report?"}],"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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