The clearest measured tension in 70809 is that its current asking-rent index and the ZIP resale readout both rose while the matched survey geography carried a sizable vacancy rate. Zillow ZORI stands at $1,385 per month and is 3.1% above its same-month level a year earlier. The ACS ZCTA vacancy rate is 16.1%, whereas Redfin reports a 6.25% rise in median sold price. These figures should not be collapsed into a single demand narrative: vacancy is survey housing-stock evidence, ZORI is rental asking-rent evidence, and the sale-price change concerns completed for-sale activity. They instead frame the central reading problem: a current rent snapshot is firmer than last year, but it sits beside survey vacancy and a more energetic resale price change.
Rent history adds useful context but not a forecast. The one-year same-month annualized change was 3.1%, the three-year measure was 1.8%, and the five-year measure was 4.0%. Thus, the positive recent direction confirms rather than breaks the longer positive path, although its pace exceeds the three-year result while trailing the five-year result. Annualized monthly-return variability measures 3.5%, indicating meaningful movement around the historical trend and reducing confidence in treating one current ZORI reading as a fixed market level. In a separate downside view, the maximum drawdown was 5.4%. History coverage was complete, and the transparent national discovery ranks among history-eligible ZIPs were 1,249 for momentum, 2,230 for stability, and 1,864 for the balanced measure. These are backward-looking discovery measurements, not investment recommendations.
Source boundaries explain why the rent figures do not line up perfectly. The five-digit 70809 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 ZIP-level typical observed asking-rent index blended across rental types, while the matched ACS median gross rent is $1,437 from a five-year survey of occupied renter homes that includes selected utilities. For wider context, the City of Baton Rouge rent value is $1,383, the East Baton Rouge Parish county rent value is $1,386, and the Baton Rouge, LA metro rent value is $1,403; each describes its named geography rather than this ZIP alone. The modest ZORI-to-ACS gap is therefore a source-scope comparison, not proof that any listed unit rents above or below its survey counterpart.
The bedroom ladder should also be treated as a modelling device rather than a set of observed unit rents. Scaling ZIP ZORI through the local HUD ladder produces modelled monthly estimates of $1,187 for a studio, $1,224 for one bedroom, $1,385 for two bedrooms, $1,738 for three bedrooms, and $2,235 for four bedrooms. The two-bedroom estimate matches ZORI by construction. HUD's local two-bedroom FMR/SAFMR benchmark is $1,204, making the modelled two-bedroom figure about 15% higher. HUD FMR/SAFMR is an administrative, bedroom-specific standard, not asking rent, and it is not a rental transaction record. Accordingly, the ladder helps show relative bedroom scaling within this ZIP but does not measure actual asking rents, signed leases, concessions, or unit quality at each bedroom count.
Income and burden data create a separate affordability screen. The ACS ZCTA median household income is $79,967, and annualizing the current ZORI produces an asking-rent-to-income screen of 20.8%. At a 30% rent-to-income threshold, the arithmetic required-income screen is $55,400 per year. That calculation is not advice and is not an applicant qualification rule. In the ACS renter survey universe, 2,653 of 5,292 renter households, or 50.1%, reported spending at least 30% of income on gross rent. Because this ACS burden measure concerns occupied renter homes and gross rent includes selected utilities, it is not interchangeable with a current asking-rent index. Survey uncertainty also applies, and neither the burden share nor the income screen establishes affordability for a particular household or unit.
The matched ACS housing-stock profile provides a useful caution against reading vacancy as immediate rental availability. It contains 6,605 single-family units and 3,243 units in large multifamily structures. The 16.1% overall vacancy rate includes 882 units classified as vacant for rent, but vacancy categories are survey classifications rather than a live inventory of rentable homes. Some vacant housing can be held for sale, seasonal use, or another purpose, and the reported for-rent count does not reveal bedroom mix, condition, advertised price, lease terms, or timing. Likewise, the mix of single-family and multifamily structures does not map mechanically into the blended ZORI index. The stock evidence supports caution in interpreting supply, not a conclusion about availability or bargaining conditions for an individual property.
Redfin's direct rolling-three-month ZIP resale observation belongs entirely to the for-sale universe, not to rental transactions. The median sold price was $300,160, up 6.25% year over year. Liquidity indicators showed 101 homes sold, a median 71 days on market, inventory of 133 homes, and 4.0 months of supply. Sale-to-list signals were also below a uniform bidding picture: average sale-to-list was 97.2%, while 8.2% of sales closed above list price. Annualized ZIP ZORI divided by the median sold price equals a 5.54% cross-source screening ratio only. It is not a measure of property income, expenses, financing, or return. The stronger sold-price change challenges any simple reading of survey vacancy as weak housing demand, while the rent history's slower three-year pace and elevated variability caution against treating resale movement as confirmation of a stable rental trajectory.
Interpretation remains limited by timing, scope, and aggregation. ZORI blends asking rents across rental types; ACS reflects occupied households over a survey period; HUD provides administrative standards; and Redfin records resale outcomes. None forecasts rent, resale prices, tenant demand, or unit performance. A property-level reading would need to verify actual bedroom count, advertised rent, included utilities, lease duration, concessions, vacancy status, condition, and the timing and comparability of any relevant sale listings. It would also need to distinguish a property inside the ZIP label from a conclusion drawn from the matched ZCTA survey area. The unresolved question is not whether one headline indicator is decisive, but whether a specific unit's terms and condition resemble the particular evidence universe being used to assess it.
","findings":[{"body":"ZIP ZORI increased 3.1% over one year, faster than the 1.8% three-year annualized change but slower than the 4.0% five-year result. That keeps the longer direction positive without making the current level a low-uncertainty anchor. The history's 3.5% annualized variability and 5.4% maximum drawdown support caution when interpreting a single current asking-rent reading.","title":"Recent rent gains continue, but the historical path is uneven"},{"body":"The matched ACS ZCTA reports a 16.1% overall vacancy rate and a 50.1% share of renter households paying at least 30% of income toward gross rent. Those statistics describe survey housing stock and occupied renters, respectively. They do not establish the availability, asking rent, utility treatment, condition, or affordability of any specific unit currently offered in the ZIP.","title":"Survey vacancy and renter burden are substantial but distinct measures"},{"body":"The studio-through-four-bedroom ladder is modelled by scaling ZIP ZORI with the local HUD bedroom pattern. Its two-bedroom estimate equals the overall ZORI by construction, while the local HUD two-bedroom administrative benchmark is lower. HUD FMR/SAFMR is not an asking-rent dataset, so the ladder is best read as a relative sizing framework rather than as a set of measured market rents.","title":"Bedroom figures are HUD-scaled estimates, not observed rents"},{"body":"Redfin's direct ZIP resale data show higher median sold prices alongside completed sales, measurable inventory, and several months of supply. That resale pattern complicates a simple interpretation of high ACS vacancy as weak market conditions. However, the rent-to-price calculation is only annualized ZORI divided by median sold price; it is a cross-source screening ratio, not property economics or a return measure.","title":"Resale evidence is firmer than the rent-and-vacancy picture alone suggests"}],"risks":["The Zillow, ACS, HUD, and Redfin series use different units of observation, time frames, and purposes, so apparent gaps can reflect source design rather than a confirmed change in a particular rental segment.","High survey vacancy does not identify currently rentable units, their condition, concession terms, bedroom mix, or asking prices. It should not be used as proof of supply or negotiating conditions for one property.","The positive rent history includes meaningful variability and a measurable drawdown, so a current ZORI value may be less representative of near-term unit-level asking rents than a stable trend alone would imply.","Redfin resale metrics describe completed for-sale transactions rather than rental operations. Median sold price and the cross-source screening ratio omit property expenses, financing, taxes, utilities, leasing costs, and unit-specific condition."],"qa":[{"a":"Zillow ZORI is a ZIP-level typical observed asking-rent index that blends rental types. ACS median gross rent is a five-year survey estimate for occupied renter homes and includes selected utilities. They differ in universe, timing, unit coverage, and rent definition, so their numerical gap is descriptive rather than evidence of an error or a specific unit-level premium.","q":"Why is Zillow ZORI different from ACS median gross rent?"},{"a":"No. The studio through four-bedroom values are modelled estimates created by scaling the ZIP ZORI with the local HUD bedroom ladder. They provide a consistent relative structure, but they do not report observed listings, executed leases, concessions, utilities, property condition, or the precise mix of available homes at each bedroom count.","q":"Are the bedroom rent figures actual measured rents in 70809?"},{"a":"No. The required-income figure is arithmetic: annualized asking rent divided by a 30% threshold. It is not financial advice, a landlord policy, or an applicant qualification rule. Household affordability can differ because of utilities, debt, household size, subsidies, lease terms, income stability, concessions, and the rent of the specific available unit.","q":"Does the 30% required-income figure determine whether a household can rent there?"},{"a":"It is annualized ZIP ZORI divided by Redfin's median ZIP sold price, joining an asking-rent index to a direct resale statistic for broad screening only. It does not represent a cap rate, net return, expected return, or property yield because it excludes operating costs, vacancies, taxes, insurance, financing, capital spending, and property-specific rent.","q":"What does the Redfin rent-price screening ratio mean?"}],"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 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