The Housing Crisis: Why Nothing Seems to Work

The United States is short approximately 3.8 million housing units, according to Freddie Mac's 2021 estimate (which has likely grown since). The gap between housing supply and household formation has compounded since the 1970s, accelerating in the 2010s as construction recovered slowly from the 2008 financial crisis and zoning restrictions tightened in high-demand coastal metros.

Why Housing Costs Spiked

The proximate causes of the post-2020 spike are well-understood: pandemic-era migration to suburban and smaller markets, interest rate environment that locked existing homeowners into sub-3% mortgages (reducing inventory), remote work expanding the geographic footprint of expensive metros, and supply not keeping pace. The deeper cause is structural: single-family zoning in most desirable areas prohibits the medium-density housing (duplexes, fourplexes, small apartment buildings) that would be built by the market absent restrictions.

The Zoning Consensus

There is now a cross-ideological consensus among housing economists that exclusionary single-family zoning is the primary driver of housing unaffordability in high-demand metros. This consensus unites Cato Institute libertarians, Brookings Institution centrists, and progressive housing advocates. The mechanism is simple: restricting supply in areas of high demand raises prices.

Why Reform Is Slow

The political economy of housing reform runs into a specific problem: existing homeowners benefit from high housing prices (equity appreciation) and often oppose new construction near their homes for reasons of aesthetics, traffic, and the accurate perception that upzoning may not directly reduce their property values but might change neighborhood character.

Local government control over zoning means that the voters most likely to oppose new housing — older, wealthier homeowners — are also the most politically active in local elections. State-level preemption of local zoning (California's ADU reforms, Montana's statewide upzoning, Minneapolis's elimination of single-family-only zoning) has shown that state action can override local capture.

What Is Working

The most effective interventions have been: state-level zoning preemption (removing local veto over housing types), parking minimum elimination (single largest constraint on urban multifamily density after height limits), and streamlined permitting (reducing time and cost of approvals). Minneapolis upzoned citywide in 2019 and has seen rents fall relative to peer cities. Austin's aggressive construction-permitting environment has held rents below comparable sunbelt cities.

What Isn't

Rent control consistently reduces supply over time (owners convert rentals to condos, new rental construction falls) without addressing underlying affordability for new entrants to a market. Housing vouchers address affordability for recipients but not the underlying supply shortage. Inclusionary zoning (requiring developers to include affordable units) often reduces overall construction by making projects financially infeasible at the margin.