Do Affordable Housing Mandates Work? Evidence from Los Angeles County and Orange County



Tags: inclusionary, zoning, housing, affordable, cities, market, supply, county, controls, angeles

Executive Summary

California and many urban areas nationwide face a housing affordability crisis. New housing production has chronically failed to meet housing needs, causing housing prices to escalate. Faced with demands to “do something” about the housing affordability crisis, many local governments have turned to “inclusionary zoning” ordinances in which they mandate that developers sell a certain percentage of the homes they build at below-market prices to make them affordable for people with lower incomes.

The number of cities with affordable housing mandates has grown rapidly, to about 10 percent of cities over 100,000 population as of the mid-90s, and many advocacy groups predict the trend will accelerate in the next five years. California was an early leader in the adoption of inclusionary zoning, and its use there has grown rapidly. Between 1990 and 2003, the number of California communities with inclusionary zoning more than tripled—from 29 to 107 communities—meaning about 20 percent of California communities now have inclusionary zoning.

Inclusionary zoning attempts to deal with high housing costs by imposing price controls on a percentage of new homes. During the past 20 years, a number of publications have debated the merits of inclusionary zoning programs. Nevertheless, as a recent report observed, “These debates, though fierce, remain largely theoretical due to the lack of empirical research.”

Our recent report, Housing Supply and Affordability: Do Affordable Housing Mandates Work?, filled the empirical research void. We measured the actual performance of these ordinances in the San Francisco Bay Area. This study follows up on our previous study by examining data from communities in Los Angeles County and Orange County to evaluate the effects of inclusionary zoning and examine whether it is an effective public policy response to high housing prices. In Los Angeles and Orange Counties, 13 cities have an affordable housing mandate. These communities vary in size and density with different income levels and demographics, so they provide a good sample to tell us how inclusionary zoning is working in Southern California.

These are our findings:

Inclusionary Zoning Produces Few Units

Since its inception, inclusionary zoning has resulted in few affordable units. The 13 Los Angeles and Orange County cities with inclusionary zoning have produced only 6,379 affordable units, with 70 percent of those units being produced in Irvine. After passing an ordinance, the median city produces less than eight affordable units per year. Inclusionary zoning cannot meet the area’s affordable housing needs.

Inclusionary Zoning Has High Costs

Inclusionary zoning imposes large burdens on the housing market. For example, if a home could be sold for $500,000 dollars but must be sold for $200,000, the revenue from the sale is $300,000 less. In half the Los Angeles County and Orange County jurisdictions this cost associated with selling each inclusionary unit exceeds $575,000. In current prices the cost of inclusionary zoning in the average jurisdiction is $298 million, bringing the total cost for all inclusionary units in Los Angeles and Orange County to date to $3.9 billion.

Inclusionary Zoning Makes Market-priced Homes More Expensive

Who bears the costs of inclusionary zoning? The effective tax of inclusionary zoning will be borne by some combination of market-rate homebuyers, landowners, and builders. How much of the burden is borne by market-rate buyers versus landowners and builders is determined by each group’s relative responsiveness to price changes.

We estimate that inclusionary zoning causes the price of new homes in the median city to increase by $33,000 to $66,000. In high market-rate cities such as San Juan Capistrano and Laguna Beach we estimate that inclusionary zoning adds more than $100,000 to the price of each new home.

Inclusionary Zoning Restricts the Supply of New Homes

Inclusionary zoning drives away builders, makes landowners supply less land for residential use, and leads to less housing for homebuyers—the very problem it was instituted to address.

We find that new housing production drastically decreases the year after cities adopt inclusionary zoning. For all 13 cities average production of housing fell the year following the adoption of inclusionary zoning. In the eight cities with data for seven years prior and seven years following inclusionary zoning, 17,296 fewer homes were produced during the seven years after the adoption of inclusionary zoning. In those cities 770 “affordable” units were produced. One must question whether 770 units are worth the cost in terms of 17,296 fewer homes. By discouraging production of 17,296 homes in those eight cities, $11 billion worth of housing was essentially destroyed.

Inclusionary Zoning Costs Government Revenue

Price controls on new development lower assessed values, thereby costing state and local governments lost tax revenue each year. Because inclusionary zoning restricts resale values for a number of years, the loss in annual tax revenue can become substantial. The total present value of lost government revenue due to Los Angeles and Orange County inclusionary zoning ordinances is upwards of $752 million.

Price Controls Do Not Address the Cause of the Affordability Problem

Price controls fail to get to the root of the affordable housing problem. Indeed, by causing fewer homes to be built they actually make things worse. The real problem is government restrictions on supply.

Supply has not kept up with demand due to these artificial restrictions. One recent study found that 90 percent of the difference between physical construction costs and the market price of new homes can be attributed to land use regulation.

The solution is to allow more construction. When the supply of homes increases, existing homeowners often upgrade to the newly constructed homes. This frees up their prior homes for other families with lower income. Inclusionary zoning restricts this upgrade process by slowing or eliminating new construction. With fewer new homes available, middle- and upper-income families bid up the price of the existing stock of homes, thus making housing less affordable for everyone.

Conclusion

Inclusionary zoning has failed to produce a significant number of affordable homes due to the incentives created by the price controls. Even the few inclusionary zoning units produced have cost builders, homeowners, and governments greatly. By restricting the supply of new homes and driving up the price of both newly constructed market-rate homes and the existing stock of homes, inclusionary zoning makes housing less affordable.

Inclusionary zoning ordinances will continue to make housing less affordable by restricting the supply of new homes. If more affordable housing is the goal, governments should pursue policies that encourage the production of new housing. Ending the price controls of inclusionary zoning would be a good start.

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