Affordable housing issues in the United States come down to a mismatch: the country is not building enough housing where people need it, the housing that exists costs more than wages can cover, and the programs meant to bridge the gap have never been funded at the scale of the problem. Housing is considered a financial strain when it eats up more than 30% of a household’s gross monthly income, counting rent or mortgage plus basic utilities. By that measure, over 21 million renter households crossed the line into cost-burdened territory in 2023, and nearly half of all renters in the country are now in that group.1U.S. Census Bureau. Nearly Half of Renter Households Are Cost-Burdened Households paying more than half their income on housing are classified as severely cost-burdened. For them, almost nothing is left for food, transportation, or a medical emergency.
The causes stack on top of each other. Any one of them would be a problem on its own. Together they produce a shortage that has outlasted multiple administrations and shows no sign of resolving on its own.
Zoning Rules That Block New Housing
Local governments decide what gets built. Zoning ordinances dictate building types, density, and lot sizes neighborhood by neighborhood, and in most American communities the majority of residentially zoned land is reserved for single-family homes. That reservation effectively bans duplexes, townhomes, and small apartment buildings on the land where they would do the most good. Minimum lot sizes of one or two acres per residence, common in many jurisdictions, keep density low and prices high.
Public hearings make the problem worse. When a developer proposes something denser than what neighbors are used to, residents push back over traffic, parking, or neighborhood character. Projects get denied, scaled down, or redesigned with fewer units. Developers can spend tens of thousands of dollars in legal and consulting fees before a single permit issues, and those costs flow directly into the eventual rent or sale price.
Floor area ratio caps add another ceiling. A low floor area ratio limits how much total building space can go on a lot, which prevents a developer from building upward to spread the cost of expensive land across more apartments. Each tenant then absorbs a bigger share of the land cost. Inclusionary zoning, which requires a portion of new units to be set aside for lower-income households, is one offset, though there is evidence it can also push market-rate rents higher to compensate for the discounted units.
States have begun overriding these local rules. At least 18 states now require municipalities to allow accessory dwelling units on single-family lots, and a growing number of legislatures have passed broader preemption laws requiring cities to permit duplexes, triplexes, and similar “middle housing” in zones that used to be single-family only. The reasoning behind state intervention is that individual cities rarely loosen their own zoning, because existing homeowners benefit from constrained supply.
Why New Housing Is So Expensive to Build
Even where zoning allows new construction, the math of actually building a unit sets a steep floor on what it can rent for. Hard costs — raw materials like lumber and steel, plus labor and equipment — make up roughly 60% to 70% of a construction budget. Lumber and steel prices swing with global trade conditions and supply chain disruptions, and every spike shows up in the eventual rent.
Skilled labor is scarce. The construction industry needs an estimated 499,000 new workers in 2026 just to keep up with demand. Certified electricians, plumbers, and carpenters are retiring faster than apprenticeships and trade schools can replace them. Contractors can charge premium rates, timelines stretch, and the developer pays more interest on construction loans while waiting for the work to get done.
Land is often the largest single line item. An acre of developable land in a high-demand metropolitan area can cost several million dollars. That upfront investment has to be recovered somehow, which is why developers in expensive markets lean toward luxury units. Building affordable housing on expensive land does not pencil out without subsidies or density bonuses that allow more units per acre.
Soft costs pile on before any dirt moves. Architectural design, engineering, permitting, and environmental review all have to be paid whether the project ultimately gets built or not. A Phase I environmental site assessment runs a few thousand dollars, and a full environmental impact study for a larger development can reach $20,000 to $50,000 or more. The cumulative effect is a baseline cost that makes it close to impossible for the private market to produce lower-priced housing without outside financial help.
Wages Have Not Kept Up With Rent
Construction economics explain why new units are expensive. The reason existing units feel unaffordable to so many people is simpler: rents have outpaced incomes for years. The National Low Income Housing Coalition’s “housing wage,” which is the hourly rate a full-time worker needs to afford a modest two-bedroom apartment at fair market rent, reached $33.63 nationally in 2025. The federal minimum wage has sat at $7.25 since 2009. A minimum-wage worker would need to hold down close to three full-time jobs to afford that two-bedroom apartment.
Rents jumped by double digits in 2021 and 2022. Growth has slowed since, but the elevated base remains, and annual merit raises hovering around 3% do not recover that ground. More households cross the 30% and 50% cost-burden thresholds every year.
The squeeze forces trade-offs. When rent takes more than half a paycheck, there is nothing left for retirement savings, emergency funds, or medical expenses. The inability to save traps renters in place. The median down payment for a first-time homebuyer now sits around 10% of the purchase price, which on a median-priced home runs roughly $40,000. For a household already spending most of its income on rent, accumulating that kind of savings can take a decade, if it happens at all. Would-be buyers stay renting, rental demand stays high, and rents keep climbing.
Fair market rents themselves are set by the Department of Housing and Urban Development using survey data and published each October.2Regulations.gov. Fair Market Rents for the Housing Choice Voucher Program, Moderate Rehabilitation Single Room Occupancy Program, and Other Programs Fiscal Year 2026 Because the calculation leans on prior-year data, published FMRs often lag behind what tenants are actually being asked to pay. That gap matters for anyone holding a voucher, because the FMR caps how much subsidy they can receive.
Investors Are Buying Up the Affordable Stock
Renters are not just competing with other renters. By 2022, 32 institutional investors collectively owned roughly 450,000 single-family homes nationwide, with the five largest holding close to 300,000. These firms make all-cash offers that individual families cannot match, especially in markets where speed and certainty of closing decide who gets the house.
Many of these investors specifically target what the industry calls “naturally occurring affordable housing”: older buildings that stay cheap without any government subsidy. After acquiring these properties, investors often perform cosmetic renovations and raise rents sharply. A building that rented for $900 a month might come back on the market at $1,400 or $1,600. The affordable unit is not replaced; it is gone.
Short-term rental platforms create a parallel drain. In tourist-heavy areas, a property owner can earn more renting by the night than leasing to a local tenant by the month. In popular vacation destinations, that conversion pulls a meaningful share of housing out of the permanent rental stock, concentrating pressure in exactly the places where service-industry workers need housing most.
Replacing lost units is slow. New construction takes years to plan, approve, and finish. Congress has discussed legislation to restrict hedge fund purchases of single-family homes, but no bill has advanced past the proposal stage.3Congress.gov. End Hedge Fund Control of American Homes Act
Who Gets Hit Hardest
Housing affordability pressures do not fall evenly. The homeownership rate for white households was 75% as of 2022, compared to 45% for Black households, a gap of 30 percentage points that has barely moved in decades. Black and Hispanic homebuyers have historically paid more than white buyers for comparable homes and carry a disproportionately high property tax burden within the same jurisdictions.4U.S. Department of the Treasury. Racial Differences in Economic Security: Housing
These gaps trace back to decades of discriminatory policy. Exclusionary zoning, redlining, and racially restrictive covenants locked minority families out of wealth-building homeownership in the mid-20th century, and the effects compound across generations. The federal Fair Housing Act now prohibits discrimination in housing based on race, color, religion, sex, national origin, familial status, and disability, but enforcement is uneven and the structural effects of past exclusion persist in neighborhood composition, school quality, and property values.
Renters of color are also disproportionately cost-burdened. Census data shows Black and Hispanic renter households spend a larger share of income on housing than white renters at comparable income levels.1U.S. Census Bureau. Nearly Half of Renter Households Are Cost-Burdened Every other pressure in this article hits those communities harder.
Why Federal Programs Don’t Close the Gap
Federal housing programs exist to fill what the private market cannot deliver. Each one operates under constraints that limit its reach, which is why billions of dollars in annual spending still leave the shortage in place.
Low-Income Housing Tax Credit
The Low-Income Housing Tax Credit is the largest federal program for creating affordable rental housing, with roughly $10.5 billion in annual budget authority distributed to state agencies, which award credits to private developers through a competitive process.5HUD USER. Low-Income Housing Tax Credit (LIHTC) Property and Tenant Level Data The credit reduces a developer’s federal tax liability over ten years in exchange for keeping rents affordable for a set period.6Office of the Law Revision Counsel. 26 USC 42 – Low-Income Housing Credit Competition for the more generous 9% credit is intense, with far more projects applying than receive awards. The program’s complexity requires specialized legal and accounting expertise that adds overhead to every project and makes smaller developments especially hard to execute.
Housing Choice Vouchers (Section 8)
The Housing Choice Voucher program, commonly called Section 8, gives tenants a subsidy to rent on the private market. Funding has never been enough to cover everyone eligible. Waiting lists of five to ten years are common, and many local housing agencies close their lists outright when the backlog gets unmanageable.7USAGov. Section 8 Housing – Section: How to Apply for Section 8 Housing Families that do receive a voucher often struggle to use it. Some landlords refuse to accept vouchers because of inspection and administrative requirements, and when fair market rents fall behind actual asking rents, the voucher no longer covers enough of the cost to make a unit viable.
Public Housing’s Repair Backlog
The nation’s public housing stock is aging, and keeping it habitable takes far more money than the federal budget provides. A 2025 report estimated total capital needs at $169.1 billion, roughly $188,000 per unit, for repairs ranging from roofing and plumbing to lead paint remediation and elevator replacement. When units deteriorate past the point of habitability, they get removed from the affordable supply permanently.
HUD’s Rental Assistance Demonstration program lets public housing authorities convert properties to project-based Section 8 contracts so they can bring in private capital for renovations.8U.S. Department of Housing and Urban Development. Rental Assistance Demonstration (RAD) It has helped recapitalize some of the worst properties, but the scale of deferred maintenance means RAD chips at the backlog rather than clearing it. HUD also inspects federally assisted housing under the National Standards for the Physical Inspection of Real Estate, or NSPIRE, which focuses on health and safety conditions inside the unit.9U.S. Department of Housing and Urban Development. National Standards for the Physical Inspection of Real Estate (NSPIRE) Properties with deferred maintenance can face repeated citations they lack the capital to fix.
HOME Investment Partnerships
The HOME program sends formula grants to state and local governments for affordable housing activities, including rental construction, homeowner rehabilitation, homebuyer assistance, and tenant-based rental assistance.10HUD Exchange. HOME Investment Partnerships Program It is one of the few federal programs flexible enough to address local needs on local terms. HOME funding has declined in real terms over the past two decades, and the grants rarely cover a full project. Developers typically layer HOME funds with LIHTC credits, state grants, and private financing, which adds complexity and delays that make affordable development slower than market-rate work.
Compliance Burdens on Tenants
Tenants in federally assisted housing have to recertify their income and household composition at least once a year, gathering pay stubs, tax returns, and documentation of every income source.11U.S. Department of Housing and Urban Development. Exhibit 7-1 Annual Recertification Initial Notice Missing a single document can mean losing a subsidy entirely. For families juggling low-wage work and limited access to banking or record-keeping, that annual paperwork is a real threat to housing stability. Asset limits under the Housing Opportunity Through Modernization Act add another compliance layer for households whose net family assets exceed an annually adjusted threshold.12U.S. Department of Housing and Urban Development. Notice PIH 2026-15
Homelessness as the Downstream Cost
The most visible consequence of the shortage is rising homelessness. A January 2025 point-in-time count found 745,652 people experiencing homelessness on a single night, including more than 266,000 unsheltered. Researchers consistently identify the shortage of affordable housing as the main driver. When someone loses a subsidy over a paperwork failure, gets priced out by a rent increase, or simply cannot find anything within their budget, the path to the street can be short.
Homelessness is also enormously expensive for the public. Emergency shelters, hospital visits, and law enforcement contacts for unhoused individuals cost far more per person than a housing subsidy would. The money flows through different budgets and different levels of government, so the inefficiency rarely registers with any single decision-maker.
What’s Changing
Several policy approaches are gaining ground. State preemption of local zoning is the most consequential. At least 18 states now require municipalities to allow accessory dwelling units on residential lots, and a broader wave of state laws is forcing cities to permit duplexes and triplexes in zones that used to be single-family only. These “YIMBY” (Yes In My Backyard) laws aim to add supply by removing the regulatory barriers that have held construction back for decades.
Rent control and rent stabilization remain contested. About six states plus the District of Columbia have some form of rent regulation, while 32 states have passed laws expressly prohibiting local rent control. The remaining states either have no policy on the books or limit regulation to narrow circumstances. Economists are divided on whether rent control protects tenants or discourages new construction, and the evidence suggests it does both, with the net effect depending on how the policy is designed and whether it includes incentives for new building.
The Housing Act of 1949 declared the national goal of “a decent home and a suitable living environment for every American family.”13Office of the Law Revision Counsel. 42 US Code 1441 – Congressional Declaration of National Housing Policy More than 75 years later, that goal is unmet. The barriers are known: zoning that blocks construction, construction costs that set a high floor, wages that have not kept pace with rents, institutional investors that absorb the affordable stock, and government programs that have never been funded at the scale of the need. The remedies are known too. They require political will at every level of government, and the constituencies that benefit from the status quo are organized. Progress is happening in pockets, particularly where states have overridden local resistance, but the gap between what exists and what is needed keeps growing.