Michigan does not recognize domestic partnerships at the state level. There is no statewide registry, no statewide benefits, and no statute granting rights to unmarried partners. Recognition exists only through a small group of city and county ordinances, and even where you can register, the practical effect is limited mostly to benefits from that local government as an employer. Everything else that married couples get automatically, from inheritance to medical decision-making, you have to build yourself with private legal documents.
Where You Can Register in Michigan
Seven jurisdictions currently maintain domestic partnership registries or extend related protections: Ann Arbor, Detroit, East Lansing, Kalamazoo, Ingham County, Washtenaw County, and Wayne County. A registration in one of these jurisdictions carries no legal weight elsewhere in the state. Move to a city or county without an ordinance and your registered status effectively disappears for local-benefits purposes.
Eligibility rules are similar across jurisdictions. Ann Arbor’s Declaration of Domestic Partnership is representative: both partners must affirm that they share a relationship of mutual support and commitment, share the common necessities of life, are not married or in another domestic partnership, are not related by blood in a way that would bar marriage in Michigan, and are at least 18 and competent to contract. Each signature must be notarized.1a2gov.org. City of Ann Arbor Declaration of Domestic Partnership
East Lansing uses nearly identical criteria but gives partners a choice: file the signed declaration (witnessed by two people and notarized) with the city clerk, or simply retain signed copies themselves.2City of East Lansing. Ordinance No. 1305 – Domestic Partnerships Filing with the clerk produces an official certificate, which is typically what an employer or institution will want as proof. Registration fees are modest, generally somewhere in the range of $10 to $80 depending on the jurisdiction.
What Registration Actually Gets You
A municipal registration is primarily a public declaration of your relationship. Its most tangible payoff is access to employer-sponsored health insurance and related coverage for partners of city and county employees. Ann Arbor extends health coverage to domestic partners of its city workforce; East Lansing’s ordinance provides similar recognition for city employment purposes.
Some public institutions run parallel programs under different labels. The University of Michigan does not technically offer domestic partner benefits, but it covers an employee’s partner under an Other Qualified Adult category if they share a primary residence and have done so for at least six continuous months, among other requirements.3Human Resources University of Michigan. Domestic Partnerships These programs exist independently of whether you have registered with a municipality.
Public-employer benefits are available today because a 2011 law blocking them, the Public Employee Domestic Partner Benefit Restriction Act (Public Act 297), was struck down in Bassett v. Snyder in 2014. A federal court found Sections 3 and 4 violated the Equal Protection Clause and issued a permanent injunction.4Michigan Legislature. MCL Act 297 of 2011 – Public Employee Domestic Partner Benefit Restriction Act That restored public employers’ ability to offer these benefits voluntarily. Nothing requires them to.
Private-sector employers have no obligation to extend anything to domestic partners. Federal ERISA rules preempt state attempts to mandate specific benefits for most private employers, so even if the Michigan legislature wanted to require it, it could not.
What Domestic Partners Do Not Get
The gap between a Michigan domestic partnership and a marriage is wide, and this is where the risk lives. A registration does not create the automatic legal rights that come with a marriage license.
- Inheritance. If your partner dies without a will, you inherit nothing under Michigan’s intestacy laws. Property passes to blood relatives. Only a valid will or beneficiary designation can direct assets to a domestic partner.
- Medical decisions. You cannot make healthcare decisions for an incapacitated partner unless they have executed a patient advocate designation naming you. Without that document, authority defaults to family members and hospitals may exclude you.
- Spousal support. Michigan courts have no authority to order support payments between domestic partners after a separation. There is no alimony equivalent.
- Property division. There is no equitable distribution process. Each person keeps what is titled in their name; jointly held property must be divided by agreement or through a partition action in court.
- Immigration. USCIS does not recognize domestic partnerships for spousal visa petitions or green card sponsorship. Only a legal marriage qualifies.5USCIS. USCIS Policy Manual Volume 6, Part B, Chapter 6 – Spouses
- Social Security. Survivor benefits require a surviving spouse from a marriage of at least nine months before the insured person’s death. Domestic partners do not qualify.
Parental rights deserve their own warning. Michigan’s equitable parent doctrine, which can give a non-biological parent standing to seek custody or parenting time, has been held to apply only when the couple was married. In Lake v. Putnam, the Michigan Court of Appeals concluded that an unmarried co-parent lacked standing because the child was not born during a marriage. If you are raising a child with your partner and you are not the biological or adoptive parent, a breakup could leave you with no legal right to see that child. Second-parent adoption for unmarried couples has been effectively blocked in Michigan since the early 2000s; a 2004 attorney general opinion stated that unmarried same-sex couples could not jointly adopt. Anyone considering this route needs a Michigan family law attorney.
Federal Tax Treatment Is Worse Than Marriage
Even where an employer covers a domestic partner, the IRS does not treat the partnership as a marriage, regardless of state or local registration.6Internal Revenue Service. Employers Tax Guide to Fringe Benefits, Publication 15-B Two consequences follow.
First, the fair market value of employer-paid health coverage for a domestic partner is added to the employee’s taxable wages as imputed income. If your employer pays $600 per month toward your partner’s premium, that $7,200 per year lands on your W-2, subject to federal income tax, Social Security tax, and Medicare tax. A married employee receives the same benefit tax-free.
Second, domestic partners cannot file federal returns jointly. Each files as single, or as head of household if they have a qualifying child.7Internal Revenue Service. Answers to Frequently Asked Questions for Registered Domestic Partners and Individuals in Civil Unions Asset transfers between partners also lack the unlimited marital deduction; gifts above $19,000 per year (the 2026 annual exclusion) count against the giver’s lifetime gift and estate tax exemption.8Internal Revenue Service. IRS Releases Tax Inflation Adjustments for Tax Year 2026 Married couples move unlimited assets between themselves with no gift tax.
Documents That Fill the Gap
Because so few protections arise automatically, domestic partners have to assemble their own safety net. If you want your partner involved in a financial or medical emergency, these are not optional.
Patient Advocate Designation
Michigan’s healthcare power of attorney is called a patient advocate designation. It names your partner as the person who makes medical decisions if you cannot participate in your own care. The document must be signed by two witnesses and by the patient advocate. Witnesses cannot be your spouse, parent, child, grandchild, sibling, presumptive heir, physician, the patient advocate, or an employee of your health insurer or healthcare facility.9Michigan Legislature. MCL Section 700.5506 – Estates and Protected Individuals Code The designation takes effect only after your physician determines you can no longer make your own decisions, and it must be placed in your medical record before it can be used.10State of Michigan. Durable Power of Attorney for Health Care
Durable Financial Power of Attorney
A separate document handles money. A durable power of attorney for finances lets your partner manage bank accounts, pay bills, handle insurance claims, and deal with property if you are incapacitated. Without one, your partner has no legal authority over your finances, even if every account is jointly held.
Will and Beneficiary Designations
A will is the only way to ensure your partner inherits. Michigan intestacy law sends property to spouses, children, parents, and siblings, in that order. A domestic partner is nowhere in the sequence. Beyond the will, review every beneficiary designation on retirement accounts, life insurance policies, and payable-on-death bank accounts. These designations override a will, so keeping them current matters as much as having the will itself.
Cohabitation Agreement
Michigan courts recognize written cohabitation agreements between unmarried partners. Courts look for evidence that each person had the chance to consult their own attorney and that both entered the agreement voluntarily. The agreement can cover how property and debts are divided if the relationship ends, who pays which household expenses, and how jointly purchased assets are handled. Keep child custody and support out of it; those must be determined by a court, and including them can jeopardize enforceability.
Ending a Registered Partnership
Terminating a registered partnership is procedurally simple. Most ordinances require filing a notice of termination with the clerk’s office where the partnership was registered. East Lansing’s ordinance, for example, lets either partner terminate by filing a written termination with the city clerk.2City of East Lansing. Ordinance No. 1305 – Domestic Partnerships Some jurisdictions allow unilateral termination; others expect both partners to file.
Dividing what you built together is the harder part. Without the property division framework used in divorce, partners must negotiate their own split. A cohabitation agreement makes this dramatically easier. Without one, disputes over jointly owned property may require a partition action, where a court determines each owner’s share and orders either a physical division or a sale if the property cannot be fairly divided.11Michigan Legislature. MCL Section 600.3332 – Revised Judicature Act of 1961 Partition lawsuits are slow and expensive relative to the value of most shared homes. Shared bank accounts, jointly titled vehicles, and co-signed debts all need to be addressed separately; there is no court-supervised process equivalent to divorce mediation unless both partners hire a mediator privately. If you registered mainly for employer benefits, terminate promptly, because some jurisdictions bar registering a new partnership within a set period after termination.