Recovery Housing · 7 min read

Sober living vs. halfway house in Maine: what's the difference?

The two terms get used interchangeably, but they describe very different kinds of housing, with different rules, different oversight, and different fits depending on where you are in recovery. Here's how to tell them apart and choose well in Southern Maine.

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Dr. Benjamin Crocker, MD, psychiatrist and medical reviewer at Portland Treatment

Medically reviewed

Benjamin Crocker, MD

Psychiatrist · Clinical Assistant Professor of Psychiatry, Tufts University School of Medicine · MD, The Ohio State University · Residency & fellowship training at the University of Michigan and LAC+USC Medical Center

Last reviewed August 2026. Read our editorial standards & clinical review process

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The short answer

A halfway house is usually tied to the criminal justice system, a reentry residence for people leaving jail or prison, with state oversight and conditions attached to release. Sober living (also called a recovery residence) is voluntary housing for people in recovery: substance-free, peer-supported, and built around work, meetings, and treatment. If you're looking for a place to live while you do IOP or rebuild after treatment, you almost certainly mean sober living.

Sober livingHalfway house
Who it's forPeople in recovery, voluntarilyPeople reentering from incarceration
Entry requirementSubstance-free at move-in, agree to house rulesOften mandated as a release condition
OversightHouse-certified (MARR/NARR standards in Maine)State or corrections oversight
Length of stayFlexible, 90 days to a year or moreFixed, tied to release terms
CostWeekly/monthly program fee, self-payOften subsidized or state-funded
Clinical servicesNot on site, paired with IOP/OP nearbyVaries; sometimes on-site programming

What sober living actually looks like in Southern Maine

A typical sober living home in the BiddefordPortland area is a regular house in a regular neighborhood. Residents share chores, attend house meetings, submit to random drug screening, and follow curfews, but they also work normal jobs, cook dinner, and go to the beach. The structure exists to protect the one thing that makes the house work: nobody inside is using.

In Maine, the quality benchmark to look for is certification through the Maine Association of Recovery Residences (MARR), which applies national NARR standards. Certified homes are inspected, have written policies, trained house managers, and a grievance process. Uncertified houses aren't automatically bad, but certification gives you something to verify instead of taking a landlord's word for it.

The question nobody asks until it's a problem: MAT policy

Some sober living homes, usually older abstinence-only houses, still refuse residents who take buprenorphine or methadone, even with a prescription. That policy can force an impossible choice between medication that's keeping you stable and housing that's keeping you safe. Certified residences are increasingly MAT-friendly, but always get the medication policy in writing before you commit. When we make sober living referrals, this is the first thing we verify. Our MAT coordination with local prescribers is built to work with houses that support it.

How sober living fits with treatment

Sober living is housing, not treatment, there's no clinical programming on site, which is why insurance rarely covers the rent. The model that works best pairs the house with structured care nearby. The most common combination we see: live in sober living while attending an intensive outpatient program three to five days a week, then step down to weekly outpatient sessions as stability builds. The house provides the environment; the program provides the therapy.

For a deeper look at how we coordinate vetted sober living placements across Southern Maine, including what we check before referring anyone, see our sober living coordination page.

When a halfway house is the right term after all

If you or a family member is leaving incarceration, the rules are different: placement may be arranged through probation or the Department of Corrections, costs may be covered, and leaving early can carry legal consequences. If that's your situation, talk to your probation officer or reentry coordinator first, and know that treatment like IOP can still run alongside reentry housing.

A quick vetting checklist for any recovery residence

  • 1. Is the house MARR/NARR certified, or working toward it?
  • 2. What is the written policy on MAT, buprenorphine, methadone, naltrexone?
  • 3. What's the full fee schedule, including deposits and any refund policy?
  • 4. What are the curfew, visitor, and drug-screening policies?
  • 5. Who manages the house, and what happens if a resident relapses?
  • 6. Can you tour the house and meet current residents before committing?

If a house won't answer these questions plainly, keep looking. Or call us, we keep a vetted list and will tell you honestly what we know.

Common questions

Is a halfway house the same thing as sober living in Maine?

No. In Maine, 'halfway house' usually refers to a corrections-linked reentry residence for people leaving incarceration, with state oversight and mandated conditions. Sober living, sometimes just called a sober house, is a voluntary, substance-free residence for people in recovery, most commonly used after detox, residential treatment, or an intensive outpatient program. You don't have to be in the criminal justice system to live in sober living.

Do sober living homes in Maine allow buprenorphine or methadone?

Policies vary by house. Certified recovery residences that follow MARR/NARR standards increasingly accept residents on medication-assisted treatment, but some older houses still prohibit it. Always ask about the MAT policy in writing before committing, we verify this as part of every sober living referral we make.

How much does sober living cost in Southern Maine?

Most sober living homes in the Portland and Biddeford area charge weekly or monthly program fees roughly comparable to a modest room rental, often ranging from about $125 to $250 per week depending on the house, amenities, and level of structure. Sober living is rarely covered by insurance because it is housing, not clinical treatment, but treatment you attend while living there (IOP, therapy) usually is covered.

How long can I stay in sober living?

There is usually no fixed limit. Most houses ask for a minimum commitment of 30 to 90 days, and many residents stay six months to a year. Research consistently links longer stays in structured recovery housing with better long-term outcomes.

Can I work and go to treatment while in sober living?

Yes, that's the point of the model. Sober living is designed around a normal life: you work, attend IOP or outpatient sessions, go to meetings, and come home to a substance-free household with accountability. Most houses expect residents to be working, in treatment, or in school.

Do I have to finish rehab before moving into sober living?

Usually you need to be substance-free at move-in, but you don't need to have completed a full program. Many people enter sober living directly after detox or while actively attending PHP or IOP. We coordinate the timing so housing and treatment start together.

Insurance

In-network with almost every plan.

Portland Treatment is in-network with Anthem, UMR/UnitedHealthcare, Aetna, Harvard Pilgrim, Martin's Point, TRICARE and MaineCare, Cigna is our only out-of-network plan. In-network means contracted rates, lower coinsurance and no balance bill. We verify your benefits free, in minutes, with no obligation.

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