The Apartment Is Paid For by a Bank Looking for a Tax Credit

A Subsidy Delivered Through the Tax Code

If a government wants more affordable rental housing, the direct approach is to appropriate money and build it. The United States largely stopped doing that and instead built its main program, the low income housing tax credit, as a tax expenditure.

The structure is indirect by design. Federal credit authority is allocated to states by population. State housing agencies award credits to specific proposed developments through a competitive process governed by a published plan. A developer awarded credits does not receive cash. It receives the right to claim a credit against federal income tax, in equal annual amounts over ten years, provided the property stays compliant with rent and income restrictions for a much longer period.

Why Developers Sell the Credits

Here is the pivot the whole program turns on. A tax credit is worthless to an entity with no tax liability, and affordable housing developers, including many nonprofits, generally have little or none. They also need money at the start, to build, not spread across a decade.

So the developer forms a partnership and admits an outside investor as a limited partner holding almost all of the equity interest. The investor contributes cash upfront and receives the tax credits and losses as they arise. That transaction is tax equity syndication, and it is the reason the buildings get financed at all.

The Price of a Credit Is the Whole Ballgame

An investor does not pay a dollar for a dollar of future credit. It pays less, and the discount reflects the time value of money over the ten year claim period, the risk of recapture if the property falls out of compliance, transaction costs, and the investor own tax position.

That price, quoted in cents per dollar of credit, determines how much equity a project receives and therefore how much of it can be built without additional debt. When credit pricing falls, projects that were fully funded suddenly have a gap, and either the state fills it, the developer shrinks the project, or it does not proceed.

Credit pricing is sensitive to corporate tax rates for an obvious reason: a lower corporate tax rate means less tax to offset, which reduces demand for credits. The 2017 reduction in the corporate rate produced exactly this effect, cutting credit prices and opening funding gaps in deals already in the pipeline. That is a direct, mechanical link between unrelated tax policy and how many affordable units get built.

Who the Investors Are and Why

Banks dominate the investor base, for two reinforcing reasons. They have consistent taxable income against which credits are valuable, and they receive regulatory consideration for community investment activity, which makes the investment count twice.

That concentration is a structural vulnerability. When bank earnings fall, appetite for tax credits falls with them, and the equity available for affordable housing contracts precisely during a downturn, which is when the need rises. The program is procyclical in the exact wrong direction.

The Efficiency Objection

The most substantive criticism is that a meaningful share of the subsidy is consumed in transit. Syndicators, tax counsel, accountants, and asset managers all take fees for converting a tax benefit into construction equity, and the investor discount itself represents value the government spent but the building did not receive.

Defenders make a serious counterargument. Because the investor has real money at risk and faces recapture if compliance fails, private capital polices the project far more rigorously than a grant program would. Underwriting, construction oversight, and long term compliance monitoring are performed by people whose returns depend on getting them right. The friction buys discipline.

Both points are true, and the honest summary is that the program trades some efficiency for durability and oversight, and was designed that way partly because tax expenditures are politically easier to sustain than appropriations.

What Actually Gets Built

Two credit levels exist. The larger one, informally the nine percent credit, is competitively allocated and covers a substantial share of eligible development cost, funding new construction with minimal debt. The smaller four percent credit is available without competition when a project is financed with tax exempt private activity bonds, which are themselves subject to a separate state volume cap.

Affordability restrictions run far longer than the ten year credit period, with federal minimums of thirty years and many states requiring more, so the public benefit substantially outlives the subsidy claim. What happens at the end of the restriction period, when properties can convert to market rate, has become a significant policy question as the earliest deals reach expiry.

The Bottom Line

The low income housing tax credit builds the large majority of new subsidized rental housing in the United States through a chain that runs from Congress to state agencies to developers to bank tax departments. It works, it is expensive relative to what reaches the ground, and its output rises and falls with corporate tax rates rather than with housing need. Anyone evaluating affordable housing policy should start by understanding that the binding constraint is usually the price of a credit, not the availability of land or the willingness to build.