Whether every heir has to sign depends on how the house passed: through probate, a trust, or straight to the heirs as co-owners. How each works in Oregon, and what happens when one sibling won’t agree.

Not always. In Oregon, whether every heir has to agree depends on how the house is held right now.
So agreement isn’t always legally required. But if you’re selling inherited property with siblings in Oregon, agreement is what keeps the sale fast, cheap and out of court.
The first house I ever closed on was an inherited house in Springfield. It was filed as a small estate and listed on the MLS, and my partners and I went under contract as cash buyers. We did our inspections and put the cash into escrow. Then, when it came time to close, everyone found out the estate couldn’t use a small estate affidavit. It needed a full probate, and the sale had to go through the court.
One of the siblings wanted nothing to do with any of it. Then, right at closing, he came out of the woodwork, mad the house had sold so cheap, and after we’d already closed, he tried to take legal action. We got through it, but it was a mess. The whole story is in our Springfield market post.
The lesson: a sibling who says “do whatever you want” today can feel very differently when the check is being cut. Bring everybody in early, including the ones who say they don’t care.
The other lesson: find out early whether the estate really qualifies as a small estate. Oregon’s small estate affidavit, now called a simple estate affidavit, generally only works when the real property is worth $200,000 or less at fair market value, and the mortgage doesn’t get subtracted (ORS 114.510). Most houses in Lane County are worth more than that. If the estate doesn’t qualify, the court has to appoint a personal representative before the house can be sold, and finding that out in escrow puts everyone on the court’s schedule.
Once a court appoints a personal representative, ORS 114.325 gives that person the power to sell estate property without notice, hearing or court order. There are two main exceptions: the sale goes against the will, or the house was specifically left to someone and the will doesn’t allow it to be sold. Those need a court order.
The personal representative still has to act reasonably for the benefit of everyone with an interest in the estate (ORS 114.305). An heir who thinks the house is being sold too cheap can take it up with the probate court. That’s why a fair price and good paperwork matter, even when nobody is legally required to sign.
Before any of that, someone has to be appointed. Here’s how long probate takes in Oregon, and here’s what to know about selling an inherited house.
A house in a living trust usually skips probate. The successor trustee named in the trust typically has the power to sell, following whatever the trust document says, and the beneficiaries get their share of the proceeds. If the trust is unclear about selling, ask an estate attorney before you list it or sign with a buyer.
This is where disagreements get expensive. When heirs end up owning a house together, outside of probate or a trust, Oregon generally treats them as tenants in common. Each owns a share.
Forced sales often bring less than a normal sale would. About two dozen states have adopted the Uniform Partition of Heirs Property Act, which adds protections for families in this spot. Oregon hasn’t yet. The Oregon Law Commission has a workgroup drafting an Oregon version, aiming for the 2027 legislative session.
If the house needs work or the heirs live out of state, a cash sale can take one fight off the table, because nobody has to front repairs or manage a listing. I’ll give every heir the same written number, and you can compare it to listing. Here’s how the two compare.
We buy inherited and probate houses across Oregon, as-is, and we’re used to working on a court’s calendar. I’m a real estate investor and cash home buyer, and I’m also a registered Oregon residential property wholesaler, #201264508. Before you sign with any buyer, including us, here’s how to check whether cash home buyers in Oregon are legitimate. Call and ask for Gerren at (541) 250-3067. Our office is in Cottage Grove.
Can one heir force the sale of an inherited house in Oregon? If the heirs already own the house together, yes. Any co-owner can file a partition suit, and if the house can’t be divided fairly, the court can order it sold (ORS 105.205). In probate, the decision usually belongs to the personal representative.
Does the personal representative need the heirs’ permission to sell? Usually not. Under ORS 114.325, a personal representative can sell estate property without notice, hearing or court order, unless the sale goes against the will or the house was specifically left to someone and the will doesn’t authorize a sale.
Can I sell my share of an inherited house without my siblings? If you own it as a tenant in common, you can sell your own share without the others’ consent. Few buyers want a partial share, though, and the ones who do usually pay far less than that share of the full value.
What is a partition action in Oregon? A lawsuit asking a court to divide co-owned property. Any co-owner can file one. If the property can’t be divided without great prejudice to the owners, the court can order a sale and split the proceeds.
Has Oregon adopted the Uniform Partition of Heirs Property Act? Not yet. The Oregon Law Commission has a workgroup drafting an Oregon version, aiming for the 2027 legislative session.
General information about Oregon law, not legal advice. Talk to a probate or real estate attorney about your situation before you act.