The pivotal tension in 02114 is a rising current asking-rent index beside a softer, more supplied resale backdrop. Zillow’s ZIP-level ZORI, a typical observed asking-rent index blended across rental types, was $3,574 in June 2026. Its same-month increase was 2.9%, but that figure is a ZIP market reading rather than a lease quote for any given unit. The evidence does not collapse into one market: Redfin measures for-sale resale activity, while ACS and HUD describe different rent constructs. This separation prevents a higher ZORI from being read automatically as confirmation of stronger property-level economics, a particular home’s availability, or a permanent rent level.
On the backward-looking ZORI history, the exact same-month annualized change was 2.9% over one year, 2.8% over three years, and 5.2% over five years. Recent direction therefore confirms a positive longer path and has modestly exceeded the three-year pace, yet remains slower than the five-year path. The supplied history has 100% coverage, which supports continuity. Its high-variability classification is consistent with annualized variation in monthly returns of 3.4%, placing limited confidence in any single current snapshot. A 16.0% maximum drawdown, considered separately, shows that this historical series has experienced material retreats. Its transparent national discovery ranks were 1,040 for momentum, 2,124 for stability, and 1,591 for the balanced measure; lower ranks are higher. These are backward-looking measurements, not forecasts or investment recommendations.
The five-digit label 02114 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. The ACS 2024 five-year survey reports a $2,989 median gross rent for occupied renter homes and includes selected utilities. Current ZORI is 19.6% above that ACS measure, a source-universe difference rather than proof of a market move or a utility-free price comparison. For wider context only, the Boston city context rent was $3,469, the Suffolk County context rent was $3,423, and the Boston-Cambridge-Newton, MA-NH metro context rent was $3,210. Those city, county, and metro values are broader-scope reference points, not ZIP rental comps.
HUD’s FY2026 local FMR/SAFMR two-bedroom standard is $2,311. Unlike asking rent, it is an administrative, bedroom-specific standard. Scaling ZIP ZORI through this local HUD ladder produces modelled monthly estimates of $2,522 for a studio, $2,723 for one bedroom, the ZIP index level for two bedrooms, $4,468 for three bedrooms, and $4,732 for four bedrooms. These are modelled estimates, never measured bedroom rents: their spacing follows HUD’s standard ladder rather than observed unit listings. They can organize a size-sensitive comparison, but cannot establish a particular unit’s rent, utility package, condition, or availability.
Affordability is tight under a mechanical screen, not an applicant test. The matched ACS ZCTA median household income was $132,210. Applying the arithmetic 30% screen to the monthly asking index gives required annual income of $142,960 and an asking-rent-to-income reading of 32.4%; neither is advice nor an applicant qualification rule. Separately, the ACS five-year survey counted 3,165 of 6,538 renter households at or above the same burden threshold, a 48.4% share. That burden statistic is an aggregate survey measure for occupied renter homes, not evidence that a prospective tenant or a specific unit will be burdened. Income and burden estimates retain survey uncertainty, so the ZIP screen cannot become a household outcome.
Surveyed stock adds another caution about interpreting availability. The ACS ZCTA contained 9,912 housing units, including 1,516 vacant units, for a 15.3% all-housing vacancy rate. Renters occupied 77.9% of occupied homes, while 5,732 units were in large multifamily structures. Of the reported vacancies, 396 were for rent and 593 were seasonal. These categories demonstrate why total vacancy is not a listing count, and neither category proves that a particular unit is vacant, rentable, appropriately sized, or offered on a given date. This all-housing ACS measure also differs from an apartment-only vacancy measure, preserving the distinction between survey composition and live rental supply.
Resale evidence sharpens the tension without becoming rental evidence. In Redfin’s supplied rolling three-month ZIP for-sale observation through June 30, 2026, median sold price was $867,304, down 2.0% year over year. There were 51 homes sold; median marketing time was 34 days; inventory was 97 homes; and months of supply stood at 5.7. Inventory was higher than a year earlier, while average sale-to-list was 99.57%, a signal confined to direct resale transactions. Annualized ZIP ZORI divided by median sold price is a 4.94% cross-source screening ratio only, with no property-level expenses or economics embedded. Positive asking-rent history beside a lower sold-price reading and higher inventory challenges a one-dimensional interpretation of the rent, burden, or resale screens.
At property level, the packet cannot identify a unit, a lease, an available bedroom count, or a purchaser’s costs. Before relying on the ZIP read, verify the street address’s applicable ZIP and whether its delivery ZIP differs from the ZCTA match, then check the live advertised rent, bedroom count, included utilities, lease term, concessions, available date, unit condition, and unit type. For a resale inquiry, inspect the subject property’s listing and sale details rather than using ZIP medians as a comp set. Does the subject unit’s live evidence resemble the distinct asking-rent, survey, HUD, and resale measures here, none of which supplies a forecast, causal explanation, or recommendation?
","findings":[{"body":"Zillow’s June 2026 ZIP ZORI is $3,574. Same-month history is positive over one, three, and five years, although the latest pace remains below the five-year rate. Complete series coverage supports the historical comparison, but the high-variability designation and prior drawdown make the current figure a time-specific asking-rent observation, not a stable forward level.","title":"Current rent versus history"},{"body":"ZORI, ACS gross rent, and HUD FMR/SAFMR should not be substituted for one another. ZORI represents typical observed asking rent across rental types; ACS summarizes occupied renter homes over five years and includes selected utilities; HUD is an administrative bedroom standard. The required-income calculation is simply arithmetic. The ACS burden share is an aggregate household result, not a qualification decision for a renter or a claim about one unit.","title":"Rent and affordability measures differ"},{"body":"The matched ACS ZCTA depicts a renter-heavy housing stock with substantial reported vacancy, but the vacant-for-rent count is not a live listing inventory. Seasonal vacancies and all-housing definitions limit direct availability conclusions. The large-multifamily count describes surveyed structure composition, while bedroom model estimates are derived from the HUD ladder and cannot replace inspection of actual unit details.","title":"Renter-heavy stock does not equal live supply"},{"body":"Redfin’s rolling three-month ZIP observation places a lower year-over-year median sold price alongside higher inventory, while also documenting sales volume, marketing time, supply, and sale-to-list behavior. Those data directly describe resales rather than rental transactions. The annualized ZORI-to-price figure is a cross-source screen only; it has no operating-cost, financing, or property-condition inputs and should not be treated as property economics.","title":"Resale signals challenge a simple rent narrative"}],"risks":["The ZIP-to-ZCTA match is useful for joining sources, but a ZCTA is statistical rather than USPS delivery geography; address-level assignment can differ and distort a unit-level interpretation.","The gap between current ZORI, ACS median gross rent, and HUD standards is mainly a source-design issue. Treating any gap as a concession, utility difference, or unit rent would overstate what the packet shows.","Complete history coverage does not erase the significance of variability or a prior drawdown. Past rent-index movements are backward-looking measurements, not forecasts, and they provide no evidence about a future lease or sale.","Redfin resale metrics describe a rolling ZIP for-sale sample, not rental transactions or property economics. Median sale values and the cross-source screening ratio omit unit condition, costs, financing, and contract terms."],"qa":[{"a":"Here, 02114 is simultaneously the Zillow ZIP market identifier and the matched Census ZCTA used for ACS data. That linkage permits source comparison, but it does not turn the ZCTA into a USPS delivery ZIP. A street address or delivery ZIP can therefore require a separate property-level check before it is assigned to this evidence set.","q":"What geographic area does 02114 represent in this report?"},{"a":"No. The studio through four-bedroom figures are modelled monthly ZIP estimates. They scale the all-types ZIP ZORI according to local HUD bedroom-specific FMR/SAFMR steps, so they preserve a relative ladder rather than measure listings by bedroom. HUD standards themselves are administrative benchmarks, not asking rent. Actual quoted rent, utilities, and condition can differ from a modelled estimate.","q":"Are the bedroom figures observed rents?"},{"a":"No. The calculation divides annualized index rent by thirty percent of income to show the income arithmetic associated with that screen. It is not leasing advice, a borrower test, or a landlord rule. Separately, ACS reports aggregate burden among occupied renter households; it cannot determine an individual applicant’s budget, a unit’s affordability, or a lease outcome.","q":"Does the 30% screen determine whether a household qualifies or can afford a unit?"},{"a":"It is annualized ZIP ZORI divided by Redfin’s median ZIP sold price, placed side by side solely as a cross-source screening ratio. The numerator is an asking-rent index and the denominator is resale evidence from a rolling three-month observation. It excludes property-specific expenses, financing, taxes, condition, and transaction terms, and cannot answer how any property will perform.","q":"What does the Redfin rent-to-price screen measure?"}],"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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