Last updated 2026-07-24
TL;DR
Multnomah County adult care homes are small, licensed residential care settings (typically 5 or fewer residents) for seniors or adults with disabilities, regulated under Oregon's adult foster home rules through the Oregon Department of Human Services, with local coordination through Multnomah County aging and disability services. Operators need a state license, a criminal history check, zoning compliance, and staffing that meets resident care-plan needs before they can open.
What is the Multnomah County adult care home program?
Multnomah County doesn't run its own separate licensing agency for these homes. Instead, adult care homes (often called adult foster homes in Oregon) are licensed at the state level by the Oregon Department of Human Services (DHS), Aging and People with Disabilities (APD) division, with local case management, referrals, and oversight support coming through Multnomah County's Aging, Disability and Veterans Services division [1]. This two-layer structure trips people up constantly. You apply for your license through the state, but your day-to-day contact for referrals, adult protective services coordination, and local resource questions is often the county. If you're picturing a "Multnomah County license," reframe that: you're getting an Oregon adult foster home license that happens to operate inside Multnomah County, subject to Portland-area zoning and fire code layered on top of state rules. Oregon defines an adult foster home as a residential facility, licensed to care for five or fewer adults who are not related to the provider, that provides room, board, and 24-hour care [2]. The homes typically serve older adults and adults with physical disabilities; a related but separate licensing track covers homes for adults with intellectual or developmental disabilities. Confirm with your state licensing agency which category fits your intended population before you file anything, because the application packet, staffing rules, and inspection checklist differ by category.
What is assisted living?
Assisted living is a licensed residential care model for adults who need help with daily activities like bathing, dressing, medication management, or meals, but who don't need the round-the-clock skilled nursing care a nursing home provides. Oregon licenses assisted living facilities (ALFs) as a distinct category from adult foster homes, generally larger buildings with private apartments, a shared dining room, and staff on-site 24 hours a day [3]. The core difference between an assisted living facility and an adult foster home is scale and setting. An ALF might house dozens to over a hundred residents in an apartment-style building with a full staff roster. An adult foster home is a house, usually a single-family residence, capped at five residents, run more like a family-style home. Both fall under DHS licensing in Oregon, but under different administrative rule chapters, different staffing ratios, and different physical plant requirements. If you're deciding which model to pursue, read up on how assisted living licensing works state by state before you commit to a building or a business plan, because zoning, fire code, and staffing costs diverge sharply between a 5-bed home and a 60-unit ALF.
What is a group home?
"Group home" is a general term, not a precise legal category, and it means different things depending on the population served. In disability and behavioral health contexts, a group home usually refers to a small residential setting, often 4 to 8 residents, where staff support people with intellectual/developmental disabilities, mental illness, or substance use recovery needs. In elder care, people sometimes use "group home" loosely to mean an adult foster home. In Oregon specifically, homes serving adults with intellectual or developmental disabilities are licensed separately from adult foster homes for seniors, under rules administered by the Office of Developmental Disabilities Services within DHS, not the aging and physical disabilities division [4]. If your target population is IDD rather than aging or physical disability, you're applying under a different rule chapter with its own staffing ratios and training requirements. Don't assume one Oregon license covers all populations; confirm the correct division and rule chapter with your state licensing agency before you draft policies or sign a lease.
What is an assisted living facility (and how is it different from adult foster care)?
| Typical capacity | 5 or fewer residents [2] | Often 20 to 100+ residents |
|---|---|---|
| Setting | Single-family residence | Apartment-style building |
| Licensing division (OR) | DHS Aging and People with Disabilities | DHS Aging and People with Disabilities |
| Staff live-in common? | Often yes | Rarely |
An assisted living facility is a licensed building, usually apartment-style, where residents live independently in their own units but receive scheduled help with personal care, meals, housekeeping, and medication, plus 24-hour staff availability for emergencies. Oregon Administrative Rules define assisted living facilities as offering "a residential alternative to nursing facility services" with an emphasis on resident independence, privacy, and choice [3]. Compare that to an adult foster home: same underlying idea (help with activities of daily living, avoid unnecessary nursing home placement) but delivered in a house with shared common space, capped at five residents, and often run by an owner-operator who lives in or near the home. If you're weighing which license to pursue in the Portland metro area, an assisted living facility application involves a much heavier capital investment (building code compliance for a multi-unit residential structure, commercial kitchen, sprinkler systems) than a foster home conversion of an existing house. Here's a side-by-side to keep the categories straight: | Feature | Adult foster home | Assisted living facility |
What is assisted living vs nursing home?
The split comes down to medical acuity. Assisted living is for people who need help with daily tasks but not ongoing skilled nursing or rehabilitation care. Nursing homes (skilled nursing facilities) are for people who need daily medical monitoring, wound care, IV therapy, physical therapy after a hospital stay, or care from licensed nurses around the clock. CMS distinguishes skilled nursing facilities specifically as Medicare-certified providers of skilled nursing and rehabilitation services following a qualifying hospital stay [5]. Assisted living facilities are not typically Medicare-certified in that sense; they're licensed and regulated at the state level, and payment usually comes from private pay, long-term care insurance, or in some states a Medicaid waiver rather than Medicare's skilled nursing benefit. A practical way to sort it: if someone needs a registered nurse assessing them daily, or needs help recovering from surgery, that's a nursing home question. If someone mainly needs reminders to take medication, help getting dressed, and someone to call if they fall, that's assisted living or adult foster home territory.
What does assisted living provide?
Assisted living typically provides help with activities of daily living (bathing, dressing, toileting, transferring, eating), medication management or administration, three meals a day, housekeeping, laundry, social and recreational activities, and 24-hour staff availability for emergencies. It does not typically provide the level of nursing care found in a skilled nursing facility. Oregon's rules for both adult foster homes and assisted living facilities require a negotiated service agreement or care plan for each resident, developed with the resident (or their representative) and updated as needs change [2][3]. That care plan drives staffing: a home with several residents who need two-person transfers looks very different, staffing-wise, from a home with residents who are mostly independent and just need medication reminders. Medicaid's federal home and community-based services rules also shape what many assisted living-type settings can offer if they accept Medicaid waiver payment, requiring things like resident rights to privacy, choice of roommate, and access to the broader community, more than custodial care within four walls [6].
How do I start a group home (or adult foster home) in Multnomah County?
Start with the state license, not the building. Oregon DHS requires prospective adult foster home providers to complete an approved training program, pass a criminal history background check, and submit a licensing application before you can operate [2]. You cannot legally open and start taking residents first and get licensed later; the license has to come first or in tandem with your final building sign-off. A realistic sequence looks like this: 1. Confirm which license category fits your target population (aging/physical disability adult foster home vs. IDD group home vs. assisted living facility) with Oregon DHS. 2. Complete required provider training and pass the criminal background check for yourself and any co-resident household members. 3. Identify a property zoned for the use. In Multnomah County and inside Portland city limits, residential care homes serving a small number of unrelated residents are frequently allowed in single-family zones under state and local fair housing-driven rules, but always confirm the specific zoning designation and any conditional use requirements with your local planning office before signing a lease [7]. 4. Pass a fire and life-safety inspection, often coordinated through the local fire marshal or the state fire authority, sized to the number and mobility level of residents. 5. Submit your license application to DHS with your floor plan, policies and procedures, staffing plan, and emergency preparedness plan. 6. Schedule and pass the DHS pre-licensing inspection of the physical home. 7. Receive your license, then begin accepting referrals, often working with Multnomah County aging and disability services or local hospital discharge planners for placements. Budget real time for step 3 and step 4. Zoning and fire inspection delays are the most common reason operators miss their target open date, not the state paperwork itself.
What licenses, staffing, and background checks does Multnomah County require?
Every adult foster home provider and any caregiver working in the home in Oregon must pass a criminal history check administered through DHS before working unsupervised with residents [8]. This isn't optional and it isn't a formality; a disqualifying conviction can block licensure or continued employment even if the incident happened years ago, though DHS does have a process to request an exception in some circumstances. Staffing requirements aren't a flat number written once and forgotten. Oregon ties staffing to each home's resident mix and the negotiated service agreements in place, meaning a home with five residents who all need heavy physical assistance needs more hands-on-deck than a home with five mostly independent residents. Confirm current minimum staffing ratios and required caregiver training hours (medication administration, dementia care, first aid/CPR) with Oregon DHS, since these get updated periodically through administrative rule revisions. Plan for at least one criminal background check cycle per new hire, ongoing training documentation for every caregiver, and a written staffing plan tied to actual resident acuity, more than a headcount, because that's what an inspector will ask to see.
Does Medicare cover assisted living facilities?
No. Medicare does not cover the cost of room and board or personal care services in an assisted living facility. Medicare.gov states plainly that Medicare Part A and Part B do not pay for long-term custodial care, which is what assisted living, adult foster homes, and most group home settings provide . Medicare will pay for specific, separately billable medical services a resident receives while living in an assisted living or foster home setting, things like a covered doctor visit, physical therapy ordered by a physician, or durable medical equipment, the same way it would for anyone living at home. But the underlying housing, meals, and personal care costs are the resident's or family's responsibility, paid out of pocket, through long-term care insurance, or in some cases through a state Medicaid waiver program. Medicaid is different from Medicare here and is the payer that sometimes covers long-term residential care costs, through Home and Community-Based Services waivers that some states apply to assisted living and adult foster home settings [6]. Oregon's Medicaid program does contract with some licensed adult foster homes to serve Medicaid-eligible clients under these waiver rules; eligibility and available slots vary, so confirm current Medicaid contracting status and reimbursement rates for Oregon adult foster homes directly with Oregon Health Authority and DHS.
What inspections and ongoing compliance should operators expect?
Expect at least one full licensing inspection before you open, then periodic renewal inspections and the possibility of complaint-driven, unannounced visits at any time. DHS licensing inspectors check physical safety (exits, smoke detectors, medication storage, water temperature), staffing records, resident care plans, and required documentation like incident reports and background check files. Complaint investigations are separate from routine renewal inspections and can happen with no advance notice, triggered by a resident, family member, or mandatory reporter calling in a concern. Oregon requires certain professionals and caregivers to report suspected abuse or neglect of adults in care settings, and DHS or Adult Protective Services investigates those reports [1]. A pattern of substantiated complaints can lead to license conditions, civil penalties, or in serious cases, license revocation. Keep your files audit-ready year-round rather than scrambling before a renewal date. The homes that fail inspections repeatedly usually aren't running dangerous operations; they're running disorganized paperwork, missing signatures on care plans, expired staff training certificates, or incomplete incident logs.
How does zoning affect where you can open in Multnomah County?
Zoning is often the slowest part of opening a small adult foster home, slower than the state license itself. Federal fair housing law and many state statutes treat small group living arrangements for people with disabilities as a residential use that cities generally cannot exclude from single-family zones through discriminatory local ordinances, but the specifics of how a city or county codes and permits these homes still varies [7]. Inside Multnomah County, that means unincorporated areas and each city (Portland, Gresham, Troutdale, and others) may have slightly different code sections addressing residential care homes, occupancy limits, parking, and whether a conditional use permit or simple registration applies. A five-resident adult foster home in a single-family house is treated very differently under most local codes than a 60-unit assisted living building, which will almost always need site plan review, commercial building permits, and often a public notice or hearing process. Before signing a lease or purchase agreement, get zoning confirmation in writing from the relevant city or county planning department for that specific address and that specific resident capacity. Verbal assurances from a landlord or a real estate agent are not the same as a zoning letter, and inspectors and lenders will both eventually ask for documentation, not a recollection of a phone call.
Where do these rules leave a new operator, practically speaking?
If you're serious about opening an adult foster home or group home in Multnomah County, the honest sequence is: pick your population and license category first, then verify zoning for a specific address, then build your training, background check, and staffing documentation in parallel with the physical property work. Trying to shortcut any one of those steps just pushes the delay to a later, more expensive point in the process (like failing a pre-licensing inspection after you've already signed a lease). Writing your own policy manual, staffing plan, and emergency preparedness plan from scratch is legal work and operations work rolled into one, and it's where a lot of first-time operators lose weeks. If you want a structured starting point instead of building every document from a blank page, GroupHomePath's $299 one-time State Group Home Licensing Kit gives you editable policy and staffing templates built around what state licensing agencies actually ask to see, which you then adapt to Oregon's specific adult foster home or assisted living rules and to your county's zoning requirements. No kit or template replaces confirming current fee amounts, statute numbers, and inspection checklists directly with Oregon DHS and your local Multnomah County or city planning office. Rules get revised, fee schedules change, and the specific form numbers you'll submit are worth verifying fresh every time you start a new application, not assumed from a past cycle or from another state's process.
What should you compare before choosing a license category?
Before you file anything, compare adult foster home licensing against assisted living facility licensing against IDD group home licensing side by side, because the capital cost, staffing burden, and timeline differ enormously. A five-bed adult foster home conversion of an existing house might take a few months from application to opening if zoning and inspections go smoothly. A ground-up or converted assisted living facility, with commercial kitchen and multi-unit fire code requirements, realistically takes much longer and costs dramatically more. Read through resources on assisted living facilities and facility assisted living models generally, and if you're weighing whether to offer care inside an existing single-family home versus building or leasing a larger facility, look at assisted living at home approaches too. The right choice depends on your capital, your target population's acuity, and how much staffing infrastructure you're prepared to run from day one.
Frequently asked questions
What is assisted living?
Assisted living is a licensed residential care option for adults who need help with daily activities like bathing, dressing, and medication management, but not full-time skilled nursing care. It typically includes meals, housekeeping, and 24-hour staff availability in an apartment-style or house setting, licensed and regulated at the state level rather than by Medicare.
What is a group home?
A group home is a small residential setting where a limited number of unrelated residents, often people with disabilities, mental illness, or seniors, live together with staff support. It's not one precise legal category; the specific license type and rules depend on the population served and the state, so confirm the correct category with your state licensing agency.
What is an assisted living facility?
An assisted living facility is a licensed building, usually apartment-style, offering residents private living space plus scheduled help with personal care, meals, and medication, along with 24-hour staff availability. Oregon licenses these separately from smaller adult foster homes, with different capacity, staffing, and building code requirements [3].
What is the difference between assisted living and nursing home?
Assisted living serves people who need help with daily tasks but not ongoing skilled medical care. Nursing homes (skilled nursing facilities) serve people who need daily nursing care, rehabilitation, or medical monitoring, and are Medicare-certified providers under CMS rules following a qualifying hospital stay [5].
Does Medicare cover assisted living facilities?
No. Medicare does not cover room, board, or personal care costs in assisted living facilities, per Medicare.gov [9]. Medicare can cover specific medical services a resident receives there, like a doctor visit or physical therapy, but not the housing and custodial care itself. Medicaid waivers sometimes cover long-term residential care costs instead.
How do I start a group home in Multnomah County?
Confirm the correct license category with Oregon DHS, complete required provider training and background checks, secure a property with confirmed zoning approval, pass fire and life-safety inspection, submit your application with policies and a staffing plan, and pass the DHS pre-licensing inspection before accepting residents [2].
What does assisted living provide?
Assisted living typically provides help with bathing, dressing, and mobility, medication management, meals, housekeeping, social activities, and 24-hour staff availability for emergencies. It does not provide the intensive skilled nursing or rehabilitation services found in a nursing home.
Does Multnomah County have its own licensing agency for adult care homes?
No. Adult foster homes and assisted living facilities in Multnomah County are licensed by Oregon DHS at the state level, not by a separate county agency. Multnomah County's aging and disability services division coordinates referrals, case management, and local resources, but the license itself comes from the state.
How many residents can an adult foster home in Oregon have?
Oregon adult foster homes are licensed for five or fewer unrelated adult residents [2]. This is different from assisted living facilities, which typically house far more residents in an apartment-style building rather than a single-family home.
Do caregivers in Oregon adult foster homes need background checks?
Yes. Oregon DHS requires a criminal history check for the provider and for caregivers working in an adult foster home before they can work unsupervised with residents [8]. Certain convictions can disqualify an applicant, though DHS has a process to request exceptions in some circumstances.
Can I open an adult foster home in a residential zone in Multnomah County?
Often yes, since small residential care homes serving a limited number of people with disabilities are generally treated as a residential use under fair housing principles, but the exact local code, permit type, and occupancy limit vary by city or unincorporated area within the county. Always confirm zoning in writing for your specific address before signing a lease.
What's the difference between an adult foster home and an IDD group home in Oregon?
Both are small residential settings, but they're licensed under different DHS divisions and rule chapters. Adult foster homes for aging or physically disabled adults fall under DHS Aging and People with Disabilities, while homes serving people with intellectual or developmental disabilities fall under DHS Office of Developmental Disabilities Services [4].
Sources
- Oregon Department of Human Services, Aging and People with Disabilities program overview: DHS licenses adult foster homes with local coordination through county aging and disability services
- Oregon Administrative Rules, Chapter 411, Division 50 (Adult Foster Homes): Adult foster homes are licensed for five or fewer unrelated adult residents with 24-hour care, subject to training and background check requirements
- Oregon Administrative Rules, Chapter 411, Division 54 (Assisted Living Facilities): Assisted living facilities are defined as a residential alternative to nursing facility services emphasizing independence, privacy, and choice
- Oregon Department of Human Services, Office of Developmental Disabilities Services: Homes serving adults with intellectual or developmental disabilities are licensed separately from aging/physical disability adult foster homes
- Centers for Medicare & Medicaid Services, Skilled Nursing Facility Care: Skilled nursing facilities provide Medicare-certified nursing and rehabilitation services distinct from assisted living
- Medicaid.gov, Home & Community-Based Services: Medicaid HCBS waivers can cover long-term residential care costs and require resident rights protections
- Oregon Department of Human Services, Background Check Unit: Oregon requires criminal history checks for adult foster home providers and caregivers before unsupervised work with residents
- Medicare.gov, Long-term care coverage: Medicare does not cover room, board, or custodial care costs in assisted living facilities