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Links up to: /prisons/maine (state hub, I265)
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DISTINCTIVE: Small, simple system. MDOC runs state prisons; 16 counties run jails. Only a handful of state facilities. No in-state federal BOP prison (federal inmates held out of state). Notable history of county-jail consolidation debate (state Board of Corrections era and its repeal) leaving an unusual county-jail funding structure.
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ARTICLE BODY
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How to Find an Inmate in Maine
If someone you love was just arrested or sent to prison in Maine, the first thing you need is also the hardest to get: a straight answer about where they are. Maine does not have one single database that lists everyone in custody. The person you are looking for could be in a county jail, a state prison, a federal facility, or immigration detention, and each of those is searched a different way. The good news is that Maine runs one of the smallest and simplest corrections systems in the country, so once you know which system holds your person, there are not many places they can be. This guide walks you through all of it.
Start here: figure out which system is holding them
Before you search anything, answer one question, because it tells you which tool to use.
How long ago were they taken into custody, and what happened? Someone arrested in the last few days is almost always in the county jail for the county where the arrest happened. They stay there through booking, first appearance, and often through their whole case if it is a local charge. People do not go to "state prison" when they are arrested. They go to state prison only after they have been sentenced and transferred into the custody of the Maine Department of Corrections, which can take weeks after sentencing.
So the rule of thumb is simple. Recently arrested, case still pending, or a short sentence: look in the county jail. Sentenced to state prison time and transferred: look in the Maine Department of Corrections. Federal charge: look in the federal system. Immigration hold: look in ICE custody.
Searching county jails in Maine (recently arrested)
Maine has 16 counties, and each runs its own jail and inmate roster through the county sheriff's office. There is no single statewide county jail search, so you find the roster for the specific county where the arrest happened. Because there are only 16 counties, narrowing down the right one is far easier here than in states with dozens or hundreds.
If you know the county, search that county's jail roster directly, or find the facility on InmateAid and use the search link on its page. The largest systems are Cumberland (Portland), York (the southern coast), Penobscot (Bangor), Kennebec (Augusta), and Androscoggin (Lewiston). Each posts a current booking list, and most update within hours of someone being booked. To search you typically need the full name; a booking number finds the record immediately. If you are not certain which county made the arrest, the town where it happened tells you: look up which county that town sits in, then search that county's jail.
A note on Maine's county jails: the state spent years debating whether to bring its county jails under partial state control, creating and then repealing a statewide corrections board, which left an unusual funding relationship between the state and the counties. For your purposes as a family, the practical effect is simply that the county sheriff still runs each jail, and that is where you search for a recently arrested person.
Searching the Maine state prison system (MDOC)
The Maine Department of Corrections, or MDOC, holds everyone serving a state prison sentence. Maine runs only a handful of adult facilities, the best known being the Maine State Prison, so the list of places a sentenced person can be is short. The public inmate search lets you look up a person by name or by their MDOC identification number and returns their current facility and basic custody information. To search you generally need the person's first and last name.
What the MDOC results will not tell you is anything about a county case. If your person was arrested recently and has not been sentenced and transferred, they will not be in MDOC at all. That is normal. It means they are still in the county system.
Federal inmates connected to Maine
If the charge was federal, the person is in the custody of the federal Bureau of Prisons, not the state, and you search the BOP's own national inmate locator rather than any Maine tool. It covers everyone in federal custody from 1982 to the present and searches by name or by federal register number.
Maine has no federal prison of its own, so people sentenced to federal time are held at Bureau of Prisons facilities in other states. They still appear in the BOP locator regardless of where they are held. A person arrested on a federal charge may first sit in a county jail under a federal contract before being moved, so if the BOP locator does not show them yet, check the county jail where the arrest happened.
ICE detainees connected to Maine
If the person is being held on an immigration matter, they are in ICE custody, a civil detention system separate from criminal jail and prison. ICE detainees are not criminals serving sentences; they are held while their immigration cases are decided. Maine does not have a large dedicated immigration facility, so detainees are typically held under contract or moved to facilities in other states.
You search for an immigration detainee using the federal ICE Online Detainee Locator, which works by the detainee's A-Number (a nine-digit immigration identification number) or by their full name, country of birth, and date of birth. The locator finds them by record regardless of where they have been moved. If you have the A-Number, use it.
When you cannot find them anywhere
If you have searched and your person is not turning up, work through these explanations before assuming the worst.
The booking is not complete yet. Newly arrested people can take hours to appear on a roster. Try again later the same day. They were released, transferred, or moved between systems. Someone can post bail, get transferred to another county, or be handed from county to federal or immigration custody, and during a handoff they may briefly appear nowhere. The name does not match the record. People are booked under legal names, middle names, maiden names, or misspellings. Try variations, and search with less information rather than more. They are a minor. Juveniles are not listed in public adult locators at all, regardless of facility.
When the online tools fail, calling works. Call the jail or facility you believe is holding them, give the full name and date of birth, and ask the booking desk to confirm custody status. With only 16 counties and a handful of state facilities, there are not many places to call in Maine.
Get notified automatically: VINELink
Rather than checking rosters over and over, you can register with VINE, the free victim and family notification service Maine participates in. It lets you look up a person's custody status and sign up for automatic alerts about changes such as transfer or release. It is the simplest way to stop refreshing a website every day.
Once you have found them
Finding the person is the first step. Staying connected is the next, and it matters more than most families realize for how someone gets through their time.
The best place to start is mail. Letters and photos reach almost everyone in custody, they are the most reliable form of contact, and a person who hears from home regularly does easier time. Phone calls are the next layer, and the cost of calls dropped sharply under the federal rate caps that took effect in April 2026, so calling is more affordable now than it has been in years. You can also send money to most facilities so your person can cover phone time, commissary, and basic needs.
To set any of this up for the specific facility holding your loved one, find that facility on InmateAid and follow the instructions on its page, since the rules, the phone carrier, and the mailing address are different at every facility.
[Internal link block to render at foot of article:]
- See every prison, jail, and detention center in Maine: /prisons/maine
- Understand the new 2026 call rates: link to FCC Prison Phone Rate Caps 2026 guide
- Search arrest records across Maine: Arrest Record Search (honestly labeled affiliate per I239)
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Frequently asked questions
How do I find an inmate in Maine?
Decide which system holds them first. Recently arrested people are in the county jail where the arrest happened. People serving state prison time are in the Maine Department of Corrections. Federal charges mean the Bureau of Prisons, and immigration holds mean ICE. Search the matching system by name.
Is there one website for all Maine inmates?
No. Maine has no single combined database. County jails, the state prison system, the federal Bureau of Prisons, and ICE each maintain separate searches, and you have to use the one that matches the person's situation.
Where is someone who was just arrested in Maine?
In the county jail for the county where the arrest happened, not in state prison. With only 16 counties, finding the right one is easy. People enter the state system only after sentencing and transfer.
How do I search the Maine Department of Corrections?
Use the MDOC public inmate search with the person's name or MDOC ID number. Maine runs only a handful of facilities, so a sentenced person's location is easy to pin down.
Why can't I find my inmate in the state system?
The most common reason is that they are not in state prison. They may be in a county jail awaiting trial, in federal or immigration custody, or already released. Each of those is searched separately.
How do I find someone in a Cumberland County or Portland jail?
Search the Cumberland County jail roster (Portland). With only 16 counties in Maine, if you are unsure, look up which county the town of arrest sits in, then search that county's jail.
Is there a federal prison in Maine?
No. Maine has no Bureau of Prisons facility. Federal detainees are held out of state, but they still appear in the BOP inmate locator regardless of where they are held.
How do I find a federal inmate connected to Maine?
Use the federal Bureau of Prisons inmate locator, which is national and searches by name or register number no matter which state holds the person.
How do I find someone in ICE custody connected to Maine?
Use the ICE Online Detainee Locator, searching by the detainee's A-Number or by full name, country of birth, and date of birth. Maine detainees are often held in other states.
Can I get alerts when an inmate's status changes?
Yes. Register with VINE, the free notification service, to get automatic alerts about transfers and releases instead of checking rosters manually.
What if no search finds the person?
Try again later in case booking is not complete, and try name variations. With few facilities in Maine, calling the county jail or state prison directly is quick. Minors are never listed publicly. ===================================================== PRE-PUBLISH VERIFICATION (remove before publishing - dev/editor checklist) ===================================================== State-specific items to confirm before this goes live: 1. MDOC - confirm the current Maine Department of Corrections inmate search URL and the MDOC-ID label/format. Insert the live link on "MDOC public inmate search." 2. State facilities - confirm the small set of adult MDOC facilities (Maine State Prison in Warren, Maine Correctional Center in Windham, Mountain View / Bolduc / Downeast, the women's facility) and link to InmateAid pages; body names only Maine State Prison and keeps the rest general. 3. County jails - confirm 16 counties and the largest-county list (Cumberland, York, Penobscot, Kennebec, Androscoggin); link each to its InmateAid facility page. 4. County-jail consolidation history - confirm the framing of the Board of Corrections era and its repeal and the resulting state-county funding relationship. This is the distinctive Maine wrinkle but it is historical/structural; keep it light and accurate, verify before publishing. 5. No in-state BOP - confirm Maine still has no Bureau of Prisons facility and that federal sentenced inmates go out of state. 6. ICE in ME - confirm current handling (contract holds vs out-of-state transfer); body keeps it general. 7. BOP + ICE locators + VINE - confirm the three locator URLs and Maine's VINE URL; wire the links. 8. Internal links - wire /prisons/maine, the FCC 2026 calls guide (canonical path), and the Arrest Record Search affiliate with I239 honest-label language. State-specific elements that make this page unique (not a clone): - Smallest/simplest-system framing (16 counties, a handful of state facilities) used as a genuine reassurance, woven through the intro, county section, MDOC section, cannot-find, and an FAQ - similar in spirit to Delaware but Maine retains county jails. - County-jail consolidation history (Board of Corrections creation and repeal) noted as the distinctive Maine structural wrinkle, kept light and practical. - No in-state federal prison; federal inmates out of state but in BOP locator - its own FAQ (shared structural note with AK, CT, DE but distinct context). - Free-call status: not a free-call state (caps apply, not free).