ZIP 94063’s central tension is a rising rental index beside a softer resale-price reading. At June 2026, Zillow ZORI was $4,079 per month, up 7.7% from a year earlier. ZORI is a typical observed asking-rent index blended across rental types, rather than a record of signed leases or a quote for one specified unit. The 94063 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. That distinction matters because the rent series, survey data, administrative standards, and sales evidence measure different universes.
The backward-looking Zillow ZIP rent history confirms an upward path and shows recent acceleration rather than a break from it. The one-year exact same-month annualized change was 7.7%, compared with 5.3% over three years and 4.9% over five years. Yet the path was not uniformly smooth: annualized monthly-return variability of 3.7% means a single current rent snapshot deserves moderate rather than absolute confidence, particularly for unit-level interpretation. Separately, the historical maximum drawdown reached 18.9%, showing that meaningful declines occurred within the longer growth record. Coverage was 99.0%; among history-eligible ZIPs nationally, the transparent discovery ranks were 126 for momentum, 2,434 for stability, and 766 for the balanced measure, where lower rank is higher. These are retrospective discovery measures, not forecasts or investment recommendations.
The local bedroom ladder translates the ZIP-wide ZORI into modelled monthly estimates, not measured bedroom rents: $2,813 for a studio, $3,369 for one bedroom, $4,079 for two bedrooms, $5,211 for three bedrooms, and $5,401 for four bedrooms. These estimates scale the ZIP ZORI using the local HUD ladder; they do not establish that any available apartment asks those amounts. The relevant FY2026 HUD two-bedroom FMR/SAFMR standard is $3,604, making the modelled two-bedroom figure 13.2% higher. HUD FMR/SAFMR is an administrative, bedroom-specific standard that may be ZIP SAFMR or county-derived; it is not asking rent and should not be substituted for a market listing comparison.
The matched Census ZCTA provides a different affordability baseline. In the ACS 2024 five-year survey, median gross rent was $2,809, a measure of occupied renter homes that includes selected utilities, and it sits 45.2% below the current Zillow asking-rent index. A 30% required-income screen applied to the $4,079 monthly ZORI produces $163,160 of annual income; against the ZCTA median household income of $116,760, that arithmetic screen equals 41.9% of income. It is not advice and not an applicant qualification rule. The survey also counted 7,845 renter-occupied homes, of which 3,741, or 47.7%, reported gross-rent burdens at or above 30%. That burden statistic does not prove the experience of a particular unit or renter.
The ZCTA housing base contains 12,259 units, including 4,511 single-family units and 4,265 units in large multifamily structures. It recorded 832 vacant units, a 6.8% vacancy rate, with 657 classified as vacant for rent; neither figure establishes that a specific unit is available, affordable, or comparable. Renters occupy 68.7% of occupied homes, giving rental conditions substantial weight in the local housing mix. For wider context only, Redwood City city-context rent is $3,949, San Mateo County county-context rent is $3,760, and San Francisco-Oakland-Berkeley, CA metro-context rent is $3,301. The ZIP index is above each of those broader-geography context values, but city, county, and metro figures are not substitutes for direct ZIP evidence.
Redfin’s direct rolling-three-month ZIP resale observation through June 30, 2026 describes for-sale activity, not rental transactions. The median sold price was $1,454,671, down 3.7% year over year, while 36 homes sold and median days on market were 11. Inventory was 19 homes and months of supply were 1.6, signals of limited listed resale supply in this observation. Sale-to-list evidence was firm: the average sale-to-list ratio was 106.2%, and 68.6% of sales closed above list. The price decline therefore challenges a simple reading that faster asking-rent growth necessarily coincides with rising resale prices, even as short marketing time and above-list sales point to active resale execution. Annualized ZIP ZORI divided by median sold price is a 3.36% cross-source screening ratio only, not a cap rate, net return, expected return, or property yield.
Several measurement limits should remain attached to any comparison. ZORI is a blended asking-rent index, ACS is a five-year survey of occupied renter homes, HUD is an administrative standard, and Redfin is a rolling ZIP resale observation; their dates, populations, and definitions differ. Concrete property-level checks include confirming an actual unit’s current asking rent, bedroom count, included utilities, lease term, concessions, availability date, and whether its unit type resembles the broad ZORI mix. For a sale-side comparison, the relevant checks are the particular property’s sale status, list-price changes, closing terms, and physical or legal attributes rather than the ZIP median alone. These checks help avoid treating an index, survey median, or vacancy count as unit-specific evidence.
The evidence supports a nuanced reading rather than a single directional conclusion. Current ZIP asking rent is elevated against the ACS gross-rent benchmark and broader context rents, while the one-year history is stronger than the three-year and five-year paths. High variability and the earlier drawdown temper confidence in treating the current index as a stable unit quote. The burden screen highlights pressure in the occupied-renter survey universe, while the direct resale record combines a lower sold-price median with rapid marketing and above-list transactions. None of those observations predicts future rent or resale outcomes. The central property-level question is whether a specific unit’s documented terms and comparability justify using these broad ZIP indicators at all.
","findings":[{"body":"Zillow ZORI reached $4,079 in June 2026 and rose 7.7% over one year, exceeding its 5.3% three-year and 4.9% five-year annualized changes. Recent direction therefore confirms and accelerates the longer upward path. However, 3.7% annualized variability and an 18.9% historical maximum drawdown make one current index reading less definitive for a particular unit.","title":"Rent growth is positive but the path has been uneven"},{"body":"The ACS 2024 five-year ZCTA median gross rent was $2,809, including selected utilities, versus a $4,079 Zillow asking-rent index. The 45.2% gap reflects different source universes rather than a direct contradiction. A 30% arithmetic screen requires $163,160 in annual income for the ZORI level, above the reported $116,760 median household income.","title":"Asking-rent and occupied-renter measures diverge materially"},{"body":"Renters occupy 68.7% of occupied housing in the ZCTA, which has 12,259 total units and 657 units classified as vacant for rent. The 6.8% overall vacancy rate does not identify available comparable units. ZIP rent exceeds the cited Redwood City, San Mateo County, and metro context rent levels, but those wider geographies remain context only.","title":"Rental housing is a large share of the local ZCTA stock"},{"body":"Redfin’s direct ZIP resale observation shows a $1,454,671 median sold price, down 3.7% year over year, alongside 11 median days on market, 1.6 months of supply, and a 106.2% average sale-to-list ratio. This mix complicates any simple link between rent growth and resale pricing. The 3.36% annualized-rent-to-price figure is only a cross-source screening ratio.","title":"Resale signals are active despite a lower median sold price"}],"risks":["The Zillow index blends rental types and measures asking rents, so it cannot establish the achievable rent, concession package, utility treatment, condition, or lease terms for a particular unit.","ACS gross rent and rent burden describe occupied renter homes across a five-year survey period, creating timing and population differences from the June 2026 asking-rent index.","The reported vacancy rate and vacant-for-rent count are area-level classifications, not proof that a comparable home is currently available, priced at ZORI, or suitable for a specific household.","Redfin resale figures reflect a rolling three-month for-sale observation and should not be used as rental comparables or as proof that sale-price movement causes, confirms, or predicts rent movement."],"qa":[{"a":"They measure different populations and concepts. Zillow ZORI is a current typical asking-rent index blended across rental types, while ACS median gross rent is a five-year survey estimate for occupied renter homes and includes selected utilities. The difference is informative, but it is not a direct like-for-like rent comparison.","q":"Why is the ACS median gross rent lower than Zillow ZORI?"},{"a":"No. The studio through four-bedroom figures are modelled estimates created by scaling ZIP ZORI with the local HUD bedroom ladder. They are useful for internally consistent screening, but they are not measured rents, lease transactions, or evidence that a particular bedroom type is currently offered at that price.","q":"Are the bedroom figures observed rents for available units?"},{"a":"It is only arithmetic: annualized ZORI divided by 30% produces an income benchmark of $163,160. Comparing that result with median household income shows the scale of the asking-rent index relative to a broad income measure. It is not advice, underwriting, or an applicant qualification standard.","q":"What does the 30% required-income screen mean?"},{"a":"The 3.36% figure divides annualized ZIP ZORI by Redfin’s median sold price for the direct ZIP resale observation. Because it combines separate sources and broad medians, it is only a cross-source screening ratio. It omits expenses, financing, taxes, unit quality, vacancy experience, and actual property cash flows.","q":"How should the Redfin rent-to-price screening ratio be interpreted?"}],"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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