Two direct ZIP series frame the central tension: Zillow’s asking-rent index was rising, while the distinct Redfin resale median moved lower year over year. At the June 2026 endpoint, Zillow’s ZIP ZORI for 98199 was $2,757 per month. It is a typical observed asking-rent index blended across rental types, not a lease quote for a particular home. Exact same-month change reached 7.5% over one year, versus annualized gains of 4.7% across three years and 5.0% across five years. Recent direction therefore confirms the longer rising path while running faster than either extended comparison; that is backward-looking acceleration, not a forecast or investment recommendation. Month-to-month return variability annualized to 2.0%, a contained pattern that gives a reader more confidence in one current index snapshot than a highly erratic series would, although it cannot remove variation by unit. Separately, the worst observed peak-to-trough decline was 1.7%. Coverage was complete, and transparent national discovery ranks were 180th for momentum, 152nd for stability, and 17th for balance; lower ranks are stronger.
The five-digit 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. In the ACS 2024 five-year survey of occupied renter homes, median gross rent was $2,470, a measure that includes selected utilities. That survey median sits 11.6% below the current asking-rent index, but it is not a competing quote because it describes occupied homes and a different evidence universe. The local FY2026 HUD two-bedroom FMR/SAFMR standard is $2,501, placing the ZORI 10.2% higher. HUD FMR/SAFMR is an administrative, bedroom-specific standard rather than asking rent; its role here is a scaling benchmark, not a market-rent observation.
That benchmark supplies the shape, not the level, of the bedroom view. The monthly figures are modelled ZIP estimates produced by scaling ZIP ZORI with the local HUD ladder: $2,286 for a studio, $2,366 for one bedroom, $2,757 for two bedrooms, $3,607 for three bedrooms, and $4,241 for four bedrooms. They are never measured bedroom rents or a set of same-property comparables. The two-bedroom alignment with the headline index is a formula result, not evidence that every observed listing is a two-bedroom home. Differences in structure, included utilities, condition, lease terms, and timing remain outside this ladder. It organizes a bedroom-specific comparison, but its modelled status remains distinct from Zillow’s blended observed index and HUD’s administrative standard.
The income screen points in a different direction from the high asking-rent level. Applying the structural 30% arithmetic to the monthly index produces required annual household income of $110,280. The matched ZCTA’s ACS median household income was $180,789, so the index-to-income calculation equals 18.3%. This is arithmetic only: it is neither advice nor an applicant qualification rule, and the household-income median is not a statement about a renter or a particular unit. Within ACS renter-occupied homes, 976 of 3,704 households, or 26.3%, reported gross-rent burdens at or above the threshold. That burden measure describes surveyed occupied renter homes, not a claim that any currently advertised unit is affordable or burdensome.
Stock figures give scale to that survey population without establishing vacancy at a specific address. The ZCTA contained 10,709 housing units, of which 657 were vacant, a 6.1% vacancy rate. Renter occupancy represented 36.8% of occupied housing, while the structure counts included 7,243 single-family units and 1,408 units in large multifamily buildings. These categories describe the five-year survey’s housing stock, not a real-time listing feed and not a measured lease inventory. A vacancy percentage cannot show whether an individual home is offered for rent, at what rent, or under what lease terms. Likewise, the reported burden share cannot prove the circumstances of any tenant or listing.
Broader context makes the ZIP premium visible but does not change its source scope. In the Seattle city context, the asking-rent index was $2,224; in the King County context, it was $2,330; and in the Seattle-Tacoma-Bellevue, WA metro context, it was $2,269. Each is below the current ZIP index, but each is a wider geographic reference rather than a substitute for ZIP evidence. The city, county, and metro figures need their scopes stated because they can contain differing mixes of rental types and households. They neither reclassify the ACS ZCTA survey nor convert HUD standards into local asking-rent observations.
Resale evidence challenges a simple reading of the rent history. Redfin’s direct rolling-three-month ZIP resale observation recorded a $1,289,709 median sold price, down 10.6% year over year even as the asking-rent index had been rising. Its direct liquidity indicators were 116 homes sold, a median 9 days on market, 186 active listings, a reported inventory count of 75 homes, and 2.0 months of supply. Average sale-to-list was 99.86%, and 27.5% of sold homes went above list. Those are for-sale signals, not rental transactions, rental comparables, or property economics. Dividing annualized ZIP ZORI by the median sold price gives a 2.6% cross-source screening ratio only. The rent increase alongside a lower resale median is a genuine cross-universe tension: brisk sale mechanics do not erase the price decline, and neither series establishes why the other moved.
Several limits remain material before applying these aggregates to a property. Verify the listing’s current advertised rent, bedroom count, included utilities, lease term, and availability rather than treating the ZORI or the modelled ladder as a unit quote. Check the property’s actual location against the Zillow ZIP market identifier and Census ZCTA boundary, then distinguish a current rental listing from ACS occupied-home survey results, HUD standards, and Redfin resale records. Treat ACS values as multi-year estimates with reported margins of error. For a sale listing, confirm its sale date, list price, sale price, and marketing history rather than extending ZIP medians to the property. The relevant unresolved question is not whether one series wins, but whether a specific home’s rent, configuration, and transaction status fit the separate evidence universes represented here.
","findings":[{"body":"At the June 2026 endpoint, 98199’s Zillow ZORI was $2,757. Exact same-month growth of 7.5% over one year exceeded the annualized 4.7% three-year and 5.0% five-year changes. The evidence identifies backward-looking acceleration, not a forward path. Low historical return variability supports a steadier current-index reading, while the observed drawdown still shows that the series has moved down.","title":"Rent growth accelerated within a historically contained path"},{"body":"Source separation is essential: Zillow measures typical observed asking rents across blended rental types, ACS measures occupied renter homes and selected utilities, and HUD provides administrative bedroom standards. The $2,286 through $4,241 bedroom ladder is modelled by applying the HUD shape to ZIP ZORI. It supports a categorized comparison only; it does not supply measured studio, one-bedroom, or larger-unit rents.","title":"Bedroom figures are modelled, while ACS and HUD answer separate questions"},{"body":"The $110,280 30% arithmetic screen sits below the $180,789 ZCTA median household income, yet 26.3% of surveyed renter households reported spending at least 30% of income on gross rent. This contrast describes aggregate distribution, not a particular applicant. The 6.1% survey vacancy rate and 36.8% renter share also describe surveyed stock rather than current advertised availability.","title":"Aggregate income screening and renter burden do not describe the same household"},{"body":"Redfin’s direct rolling-three-month ZIP resale series reported a $1,289,709 median sold price, 10.6% below a year earlier, while Zillow’s rent history accelerated. Yet 116 sales, 9 days on market, and 2.0 months of supply portray active resale mechanics. The signals address for-sale transactions only. The 2.6% annualized-rent-to-price calculation is a cross-source screen, not a measure of a property’s economics.","title":"Resale liquidity and resale pricing point in different directions"}],"risks":["ZORI is a ZIP-wide blended observed asking-rent index rather than an address-level quote. A property’s actual advertised rent can differ because the index does not resolve its configuration, utility treatment, lease timing, or condition.","The ACS figures are matched-ZCTA five-year survey estimates for occupied homes, with reported margins of error. They cannot be treated as a current listing inventory, a tenant census for a specific building, or a USPS delivery-ZIP measurement.","Bedroom values are modelled from the local HUD ladder and the blended ZIP ZORI. They do not measure asking rents for particular bedroom categories, building types, lease terms, or individual units.","Redfin’s resale price, supply, sale-to-list, and marketing measures concern for-sale transactions. The annualized rent-to-price screen combines separate sources and omits property-specific costs, financing, rent collection, and physical characteristics."],"qa":[{"a":"Zillow’s $2,757 figure is a current ZIP-level asking-rent index covering a blended rental mix. ACS reports a $2,470 median gross rent from occupied renter homes in the matched ZCTA five-year survey and includes selected utilities. The 11.6% gap compares unlike evidence universes, so it does not identify the rent of a particular listed home.","q":"Why is Zillow’s current asking-rent index higher than the ACS gross-rent median?"},{"a":"No. The studio-through-four-bedroom values are modelled monthly estimates created by scaling the ZIP ZORI with the local HUD FMR/SAFMR bedroom ladder. HUD standards are administrative benchmarks, while ZORI is blended across rental types. The resulting ladder is not evidence of quoted rents, completed leases, or same-property comparables for any bedroom category.","q":"Are the bedroom figures observed ZIP rents?"},{"a":"The screen annualizes the $2,757 monthly asking-rent index and divides by 30%, producing $110,280 of required annual household income. It is arithmetic rather than advice, a qualification rule, or a prediction of a household’s expenses. The separate ACS burden statistic instead describes surveyed occupied renter households reporting gross-rent burden at or above that threshold.","q":"What does the 30% required-income screen establish?"},{"a":"The figures show a cross-universe tension: the ZIP asking-rent index rose while Redfin’s rolling-three-month median sold price declined 10.6% year over year. Sales volume, days on market, inventory, supply, and sale-to-list indicators describe resale liquidity, not rental transactions. The comparison does not establish a causal relationship between rent movement and sale-price movement.","q":"How should the Redfin resale pattern be read alongside rent history?"}],"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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