Austin Built 15,000 Homes for the Middle Class and 543 for the Poorest. The Vacant 4,500 Units Are the Receipt.

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By: Adrian Kingsley

Austin’s affordable housing vacancy rate sits near 16%. That is over 4,500 empty units in a market where 5% is considered healthy. The first instinct is to call it a demand problem. The second look says something crueler. The city is financing apartments for renters who can already choose market-rate housing. The poorest renters stay stuck. Mathew Davis is 49. He lives in a homeless shelter. He donates blood plasma for a few hundred dollars a month. A $450-a-month tiny home with no running water and a communal bathroom would still stretch his budget. “I don’t make enough money really to afford anything,” he said. “I just keep trying to swim uphill.” Those empty units are not slack. They are a subsidy misalignment. The national picture is just as tight. There are only about 4 million affordable rental units available for 11 million extremely low-income renter households. About three-quarters of those households pay over half their income on rent and utilities.

Look at the policy inputs first. The Low-Income Housing Tax Credit has financed nearly 4 million affordable units nationwide since its creation 40 years ago. But only about 12% of the units financed in 2024 were set aside for extremely low-income renters. Those are people earning below federal poverty guidelines or 30% of area median income, whichever is higher. In Austin, that means under roughly $28,000 a year. Most LIHTC units serve renters at 50% of area median income or above. In Austin, that is a single person earning about $47,000. The city set a goal of building 20,000 units between 2018 and 2027 for extremely low-income people. The gap is stark. Austin delivered 543 homes for the lowest income tier while producing 15,000 for the middle class. The subsidy architecture is tilted upward. It is not a random outcome. Chris Edwards, an economist at the Cato Institute, told Congress the program is enormously complex and bureaucratic. He said it spawned an industry of law and accounting firms just to administer it.

Now look at what those inputs produce on the ground. Rents for 60% AMI apartments approach market rates in Austin, Denver, and Portland. In Austin, LDG Development cites a 12% vacancy rate for its 60% AMI units. Rebekah Fischer, the firm’s chief portfolio officer, says those units are in direct competition with thousands of new market-rate apartments. Her applicants must produce bank statements, pay stubs, bills, and Venmo transactions. Market-rate approval can take two minutes. Affordable housing approval does not. Some renters with modest flexibility pay a bit more to bypass the process. Denver reports a 13% vacancy rate for 60% AMI tax-credit units and 21% for 80% AMI units. Portland has over 1,700 vacant affordable units, mostly for renters at 60% AMI. The rent cap there is $1,444 a month, close to the average market one-bedroom at $1,581. Jaiden Barbee earns around 55% AMI and remains on waitlists. He would rather spend an extra $200 a month to avoid the hoops. Developer math makes the direction clear. True Ground Housing Partners says a 60% AMI unit brings in $1,715 a month. Mortgage and operating expenses take $1,575. That leaves $140. An extremely low-income renter would pay about half. Carmen Romero, the firm’s CEO, says the math does not lie. Building a 30% AMI unit requires an extraordinary subsidy that does not exist. Vouchers could help. Only about one in four eligible families receives one. Waitlists can last years. Other experts say the two programs work together because tax-credit properties are required to accept vouchers. Many market-rate landlords in some states are not. But a voucher is only useful if a unit exists at a rent the family can actually pay.

The governance structure now finances middle-income affordability and labels it low-income housing. That is why Austin can have 4,500 vacant affordable units while a homeless shelter resident cannot afford a $450 tiny home. The system is not failing despite its rules. It is working exactly as the rules direct. The fix is not another production goal or more tax-credit allocations at 60% AMI. It is to route subsidy directly to renters below 30% AMI or to require every new tax-credit project to include a meaningful share of deeply affordable units with operating support. Without that, the vacancy rate will keep rising where the need is deepest. Austin cannot build its way out of a mismatch it finances.

Author bio: Adrian Kingsley, a public administration scholar who has spent two decades studying housing subsidy design and local compliance failures.