Translation guide
An event where a place is open to visitors, often for viewing or inspection. In Japanese, the expression depends on the context: a school open day, a real estate viewing, or a casual party.
An event where a school is open to the public, especially for prospective students and parents to observe classes and facilities.
Commonly used for school open days, especially at private schools. It implies a day when classes are open for observation.
There is an open house next Saturday.
Used mainly for public schools. It refers to a day when the school is open for parents and community members to visit.
I attended the open house and observed classes.
Specifically refers to a class observation day for parents, not a full open house event. Often part of a school open day.
I was able to see my child's behavior during the open house.
An event where a property for sale or rent is open for potential buyers or tenants to visit without an appointment.
Direct loanword from English, widely used in real estate contexts. It means a scheduled time when a property is open for viewing.
There is an open house this weekend at a condominium near the station.
Refers to a preview or viewing event, often for newly built properties. It can be by invitation or open to the public.
Used for inspection tours, often for completed homes or buildings. It can be a one-day event.
A social event where guests are welcome to come and go freely, often at someone's home.
Also used for a casual party where the host keeps their home open for guests to drop by. Less common than the real estate meaning.
I'm having an open house on Sunday, so feel free to drop by.
Describes a party where attendance is open and guests can come and go as they please. Not a fixed term but a natural description.
The English phrase 'open house' covers several distinct concepts. Using a direct translation like 開いた家 (あいたいえ) would be nonsensical. Always choose the term based on context.
オープンハウス is primarily for real estate, while オープンスクール is specifically for schools. Using オープンハウス for a school event might be understood but sounds like a real estate term.
I'm going to the school's open house. (may sound like a real estate event)
I went to an open house for a newly built condominium.
We will hold an open house for the completed property.
This is an open house party, so you can come and go anytime.