$12KNet annual savings per person vs traditional shelter model
$28KHousing First program cost per person/year
$40KEmergency services reduction per person/year
88%Housing retention rate after 2 years (vs 47% treatment-first)
Most homeless shelters make you prove you're sober or getting treatment before you can get a bed. Housing First flips this — give someone a stable home first, no conditions. It turns out that when people have a safe place to sleep, they're much better at getting treatment, keeping jobs, and staying healthy. And because they stop using emergency rooms as hotels, the government actually saves money.
Housing First is an evidence-based approach that provides permanent housing to homeless individuals without requiring sobriety or treatment compliance first. Sam Tsemberis developed it in New York in the 1990s. Multiple randomized controlled trials show 85-90% housing retention rates vs 40-50% for treatment-first models. The cost savings come from massive reductions in ER visits ($3,000-8,000/visit), hospitalizations, jail stays ($100/night), and crisis response. The At Home/Chez Soi study in Canada (the largest RCT ever on homelessness) confirmed all findings.
Culhane et al. (2002) NYU: first cost-offset study showing Housing First reduces public costs by $16K/year. Ly & Latimer (2015) meta-analysis: 22 studies, net cost savings of $9,000-15,000/person/year depending on program model. At Home/Chez Soi RCT (2012-2014, n=2,285): 73% housed vs 32% control at 2 years; cost savings $21,000 CAD/year. Limitations: savings accrue to multiple systems (Medicaid, corrections, emergency services) that aren't coordinated — "wrong-pocket problem." Communities that have scaled HF: Houston (reduced homelessness 63% 2011-2023), Finland (virtually eliminated chronic homelessness). US: ~560,000 homeless on any given night (HUD 2023 PIT count), 127,000 chronically homeless.
CSH (Corporation for Supportive Housing): csh.org/resources/cost-effectiveness. HUD 2023 Annual Homeless Assessment Report (AHAR): hudexchange.info/resource/3031. At Home/Chez Soi: mentalhealthcommission.ca/what-we-do/housing/at-home-chez-soi. Culhane (2002) Psychiatric Services 53(11):1408-11. Houston's The Way Home: thewayhomecommunity.org — 63% reduction in homelessness 2011-2023 using HF+coordinated entry. HUD Continuum of Care cost data: hudexchange.info/programs/coc.
The ROI That Politicians Won't Act On
The evidence has been in for 20+ years. Housing First works better and costs less than the alternatives. The question is political will, not evidence.
Annual Cost Comparison: Housing First vs Shelter Model vs Status Quo
Per-person annual costs by approach — including emergency services, jail, hospital
Housing Retention Rates (2-Year Follow-Up)
Housing First dramatically outperforms treatment-first models
Emergency Service Use Reduction
Where the $40K/year savings comes from
Houston Proved It at Scale
Houston reduced its homeless population by 63% between 2011 and 2023 — the largest reduction of any major US city — using Housing First principles combined with coordinated entry. They built a unified system across 100+ organizations. The model works. It just requires political will to implement, and a willingness to give up the punitive approach that feels morally satisfying but costs more and helps less.
Sources
Culhane et al., Psychiatric Services (2002) · Ly & Latimer, Canadian Journal of Psychiatry Meta-Analysis (2015) · At Home/Chez Soi RCT, Mental Health Commission of Canada (2014) · HUD 2023 Annual Homeless Assessment Report · Corporation for Supportive Housing Cost Study (2024) · Houston "The Way Home" Community Plan Outcome Data