real estate industry; property market
Refers to the business world or market sector of real estate, including companies, professionals, and market trends.
He has been working in the real estate industry for many years.
I research trends in the property market.
不動産業 refers to the real estate business as an industry sector, while 不動産業界 emphasizes the collective community and market of companies within that sector.
Compound of 不動産 (real estate) + 業界 (industry, business world).