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RL34591

Federal Housing Policy: Affordable Housing, Fair Housing, and Mortgage Markets

Federal & State Law Editorial TeamLast reviewed: April 2026
Katie JonesApril 30, 2025
housingaffordable housingfair housingmortgages

Summary

This report provides an overview of federal housing policy, including programs administered by the Department of Housing and Urban Development (HUD), the Federal Housing Administration (FHA), and the government-sponsored enterprises Fannie Mae and Freddie Mac. It examines affordable housing programs including Section 8 housing choice vouchers and the Low-Income Housing Tax Credit.

The report discusses the Fair Housing Act and enforcement of anti-discrimination protections in housing, as well as the federal role in mortgage markets, including FHA insurance programs, VA home loan guarantees, and the conservatorship of Fannie Mae and Freddie Mac.

Policy considerations include the affordable housing supply shortage, homelessness prevention programs, proposals for housing finance reform, the impact of interest rates on homeownership affordability, and federal disaster housing assistance programs.

Full Report Analysis

Key Findings

The United States faces an estimated shortage of 4 to 7 million affordable housing units for extremely low-income renters, contributing to housing cost burdens, overcrowding, and homelessness.
Federal housing assistance reaches only approximately one in four eligible households due to funding limitations, with waiting lists for Section 8 Housing Choice Vouchers often extending several years in high-demand markets.
Fannie Mae and Freddie Mac, which guarantee approximately half of all outstanding residential mortgage debt (over $7 trillion combined), have remained in government conservatorship since 2008, with no resolution of their long-term status.
The Low-Income Housing Tax Credit (LIHTC), the primary federal program for producing affordable rental housing, has financed approximately 3.6 million units since its creation in 1986, generating roughly 110,000 new units annually.

Background

Federal housing policy operates through a combination of direct spending programs, tax incentives, mortgage market support, and regulatory protections. The Department of Housing and Urban Development (HUD) administers the primary rental assistance and community development programs, while the FHA, Ginnie Mae, Fannie Mae, and Freddie Mac support homeownership through mortgage insurance and the secondary mortgage market. Tax expenditures for housing, including the mortgage interest deduction and LIHTC, represent a substantial federal commitment that significantly exceeds direct spending on housing assistance.

The federal government's involvement in housing markets expanded dramatically during the Great Depression and has continued to evolve through successive policy eras. The Housing Act of 1937 created the public housing program, the National Housing Act of 1934 established the FHA, and the Housing and Community Development Act of 1974 created the Section 8 program and the Community Development Block Grant. The Fair Housing Act of 1968 prohibited discrimination in housing based on race, color, religion, sex, national origin, familial status, and disability.

Current Law

The Section 8 Housing Choice Voucher program provides tenant-based rental assistance to approximately 2.3 million households, subsidizing the difference between 30% of household income and a locally determined payment standard. Public housing serves approximately 900,000 households in units owned and operated by local public housing authorities, though the inventory has declined due to demolitions and conversions under the Rental Assistance Demonstration (RAD) program. Project-based Section 8 contracts support approximately 1.2 million units of privately owned affordable housing.

The FHA insures single-family and multifamily mortgages, enabling borrowers to obtain financing with lower down payments and more flexible credit requirements than conventional mortgages. VA home loan guarantees serve eligible veterans and service members. Fannie Mae and Freddie Mac purchase and securitize conforming mortgages, providing liquidity to the mortgage market. The Federal Home Loan Banks provide advances to member institutions and support affordable housing through their Affordable Housing Program.

Policy Options

Congress may consider expanding federal rental assistance funding to serve a greater proportion of eligible households, reforming the LIHTC to increase production of deeply affordable units, expanding HUD's capacity to implement fair housing enforcement, and addressing zoning and land use barriers to housing development through incentive-based or regulatory approaches. The HOME Investment Partnerships Program and CDBG could be reformed to better target housing production and preservation.

Housing finance reform options include recapitalizing and releasing Fannie Mae and Freddie Mac from conservatorship with an explicit government guarantee, winding down the enterprises and replacing them with a new system, or maintaining the status quo. Other proposals include expanding FHA's role, creating shared equity homeownership programs, addressing appraisal bias, and reforming flood insurance requirements. The intersection of housing policy with climate resilience, including building codes, energy efficiency, and disaster mitigation, presents growing policy challenges.

Recent Developments

Rising interest rates and home prices have significantly reduced housing affordability, with the national median existing home price exceeding $400,000 and mortgage rates above 6%. Congress has considered proposals to expand the LIHTC, create a new renter's tax credit, fund the construction of new affordable units, and address discriminatory appraisal practices. HUD has proposed updates to the Fair Housing Act's disparate impact standard and the Affirmatively Furthering Fair Housing rule. State and local governments have increasingly adopted zoning reforms to increase housing density, with some federal proposals seeking to incentivize these efforts.

Note: This is a summary of a Congressional Research Service report. CRS reports are prepared for Members of Congress and their staffs. This summary is provided for informational purposes and does not constitute legal advice.

This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.