{"license":"https://creativecommons.org/licenses/by/4.0/","dataset":"markets","count":1,"filters":{"sector":"Real estate","geography":null,"class":null,"vintage":null,"status":null,"confidence":null,"matchedMarkets":1},"rows":[{"id":"mkt-housing","slug":"us-rental-housing-access","name":"U.S. rental housing access","shortName":"Rental housing","geography":"United States / local housing markets","sector":"Real estate","dataVintage":"2026","naicsCode":"531110","industryHref":"/industries/531110","crosswalkHref":"/markets/economy?bridgeMarket=us-rental-housing-access&bridgeNaics=531110#market-industry-crosswalk","latestHhi":null,"concentrationClass":null,"cr4":null,"topFirmShare":null,"hhiAtOrAbove2500":null,"hhiDisclosureGap":true,"dataStatus":"incomplete","confidenceLevel":"medium","sourceCount":4,"policySourceCount":2,"policyEventCount":2,"reportCount":2,"briefAction":"Publish firm-level shares, ownership/control links, and market-definition notes before public agencies rely on private estimates.","briefActionLevel":"Evidence build","briefChange":"No comparable firm-level concentration series is published for this profile.","briefComparisonDelta":null,"briefComparisonDirection":"unavailable","briefComparisonFromYear":null,"briefComparisonMetric":null,"briefComparisonToYear":null,"briefEvidence":"4 records in the evidence custody chain, 2 latest share rows, 2 linked official records, and 2 related briefs support this profile. Status is incomplete with medium confidence.","briefEvidenceState":"data_gap","briefGuardrail":"This brief summarizes the observatory's published market screen. It does not define a legal antitrust market, establish market power, identify anticompetitive conduct, estimate consumer harm, or convert descriptive concentration into a causal claim.","briefHeadline":"Rental housing: public access indicators, but no defensible national firm-share market.","briefHref":"/markets/us-rental-housing-access#overview","briefQuestion":"Which local ownership, management, unit-count, and rental-share records are needed to measure actual housing-market choice?","briefSourceIds":"jchs-rental-housing-2026|gao-institutional-sfr-2026|doj-realpage-case-2024|doj-realpage-settlement-2025","briefStructure":"The current sources do not identify a complete firm-level distribution under one consistent denominator. The published basis is: The relevant population or housing stock differs by source and is not combined into a single market denominator. The observatory therefore withholds HHI instead of filling the gap with assumptions."}]}