At issue is whether the current ZIP asking benchmark can serve as a starting point for comparing a specific property’s terms, rather than stand in for those terms. The Zillow ZORI for June 2026 is $2,212 per month, up 1.82% from a year earlier. It is a typical observed asking-rent index blended across rental types, so it is a market signal rather than a lease quote or a bedroom-specific observation. The 98103 label is both a Zillow ZIP market identifier and a matched Census ZCTA; a ZCTA is a statistical area and is not identical to a USPS delivery ZIP. The ACS 2024 evidence consequently applies to that statistical match and has its own survey universe.
The income-and-burden evidence frames the benchmark without turning it into an affordability verdict. The ACS ZCTA median household income is $131,154, while annualizing the ZIP ZORI produces a $88,480 income figure under a 30% rent-to-income screen. That screen is arithmetic, not advice or an applicant qualification rule, and median household income does not describe a given renter’s resources. The annualized asking index equals 20.2% of the median household-income figure. Renters occupy 55.6% of occupied homes, or 14,931 households. Within the ACS renter universe, 6,248 households, or 41.8%, are observed at or above the burden threshold. This aggregate survey result cannot establish the cost burden of a particular available unit.
Bedroom analysis must start with construction, not observed-rent claims. The modelled ZIP estimates scale the ZIP ZORI by the local HUD ladder: $1,834 at studio, followed by $1,898, $2,212, $2,894, and $3,402 across successive bedroom categories. These are modelled estimates, never measured bedroom rents. The underlying FY 2026 HUD FMR/SAFMR ladder is an administrative bedroom-specific standard rather than asking rent; it ranges from $2,074 at studio to $3,847 at the largest category. The scaling creates a transparent size pattern for comparing category estimates, but it does not identify a listing’s condition, included utilities, lease terms, availability, or actual advertised price.
Source separation changes how rent levels should be read. Zillow’s $2,212 measure is a typical observed asking-rent index across rental types. By contrast, the $2,032 ACS median gross rent comes from a five-year survey of occupied renter homes and includes selected utilities. The index is 8.9% above that ACS median, a descriptive gap between different populations and rent concepts, not evidence that any unit commands more rent or that utility treatment causes the gap. Against the HUD two-bedroom standard of $2,501, the blended Zillow index is 88.4% of that standard. That is a benchmark relationship, not a direct asking-rent comparison for a two-bedroom listing. Neither comparison merges the universes.
Stock and vacancy counts add a separate view of the ZCTA’s housing base. The ACS ZCTA has 28,631 housing units and 1,758 vacant units, producing the reported 6.1% vacancy rate. Composition matters more than the all-purpose rate alone: 495 units are vacant for rent, 125 are vacant for sale, and 167 are seasonal. Those are observed vacancy categories, not confirmation that a renter can lease a particular vacant address; other vacancy reasons are not itemized here. The stock also includes 13,701 single-family units and 6,303 units in large multifamily structures. These structural counts do not state interior size, current rent, renovation, or whether a unit is actively marketed.
For wider context, Seattle city context records a rent index of about $2,224; King County context records $2,330; and Seattle–Tacoma–Bellevue, WA metro context records $2,269, alongside 6.0% apartment vacancy and 30.7 days of apartment time on market. The ZIP index sits below each of those wider rent indexes, most clearly below the county figure. Each named scope is context, not a replacement for ZIP or ZCTA results. The city and county index figures are market-wide context, while the metro vacancy and marketing-time figures have apartment-specific scope. They should not be treated as counts of available ZIP homes or as a guarantee for a particular property.
Important limits remain. ZORI is an index, ACS estimates carry the reported survey margins of error, and HUD standards are administrative benchmarks; none reports the final terms of a specific rental. Before treating a property as comparable, check the advertised monthly charge, exact bedroom designation, availability date, and lease duration. Identify included and separately billed utilities, then confirm whether fees, deposits, concessions, furnishing, parking, or screening criteria alter the quoted cost. Confirm the address against the relevant ZIP label rather than assuming that a delivery ZIP and ZCTA coincide. These checks preserve the distinction between market benchmarks, survey aggregates, and property-level terms without inferring vacancy, affordability, or burden for a particular unit.
","findings":[{"body":"For June 2026, Zillow ZORI is $2,212 per month and its year-over-year change is 1.82%. This is the packet’s current ZIP rent benchmark, but it blends rental types and does not quote a listed home. Its useful role is comparison against property terms after the exact bedroom category, utilities, fees, availability, and lease duration are known.","title":"Current benchmark is a blended asking-rent signal"},{"body":"Bedroom values are modelled estimates produced by scaling the ZIP ZORI with the HUD ladder, not measured rents. The resulting progression is $1,834 at studio through $3,402 at the largest category. HUD’s FY 2026 standards are administrative and bedroom-specific. They provide the scaling logic, but cannot establish a listing’s actual asking rent, bedroom fit, or included utilities.","title":"Bedroom progression is modelled, not observed"},{"body":"The ACS ZCTA reports $131,154 median household income, a 55.6% renter share, and 41.8% of renter households at or above the burden threshold. The $88,480 screen is annual arithmetic from the asking index at 30%, not a qualification test. Household medians and area burden results should remain separate from an individual renter’s finances and a particular unit’s total cost.","title":"Income context and burden evidence are aggregate measures"},{"body":"Vacancy is a composition measure rather than an availability list. The ZCTA has 1,758 vacant units, including 495 for rent, within a 6.1% overall vacancy rate. The packet separately counts seasonal and for-sale vacancies. None of those aggregate categories establishes that a specified address can be leased, at a given rent, or on a stated date.","title":"Vacancy is not an availability list"}],"risks":["Zillow ZORI may differ from an advertised unit because it blends rental types and does not establish the unit’s bedroom category, services, lease duration, availability, fees, concessions, or condition.","The matched ZCTA survey is statistical geography rather than a USPS delivery boundary, uses occupied renter homes for gross rent, includes selected utilities, and carries sampling uncertainty.","HUD FMR/SAFMR values are administrative bedroom-specific standards, not asking-rent observations; scaling the ZIP index with them produces modelled estimates that may not match any marketed unit.","Area vacancy and burden figures describe aggregated categories and households. They cannot prove current availability, payment burden, lease eligibility, or total cost for a particular property."],"qa":[{"a":"The June 2026 Zillow ZORI is $2,212 per month, with 1.82% year-over-year growth. It is the packet’s ZIP-level current measure and represents a typical observed asking-rent index blended across rental types. It should be read as a benchmark for comparison, not as an advertised price, lease offer, or bedroom-specific observation.","q":"What is the most current rent measure for this ZIP?"},{"a":"ACS reports a $2,032 median gross rent for occupied renter homes in the matched ZCTA through its five-year survey, and selected utilities are included. Zillow reports a $2,212 typical asking-rent index across rental types. The numerical difference identifies different data concepts and populations; it does not validate a listing price or establish utility treatment for an individual home.","q":"Why is the ACS median gross rent not interchangeable with Zillow ZORI?"},{"a":"They are modelled estimates, not measured bedroom rents. The ZIP ZORI is scaled using the local HUD bedroom ladder, resulting in a studio estimate of $1,834 and a largest-category estimate of $3,402. HUD FMR/SAFMR is an administrative standard, so this method conveys a relative category pattern rather than observed advertised rents.","q":"How were the bedroom estimates created?"},{"a":"Confirm the exact address and applicable ZIP label, advertised monthly charge, bedroom designation, availability date, lease duration, and included utilities. Also identify separately billed utilities, deposits, fees, concessions, furnishing, parking, and any screening criteria. These facts determine the quoted property terms and are not supplied by the area index, survey, or HUD standard.","q":"What property-level facts remain necessary before comparing a rental?"}],"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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