The present invention relates to a joint pool service system for real estate and a method thereof. More specifically, a user submits a non-resident equity account issued by a trust company, which divides a real estate entrusted to the trust company into a non-resident equity for the issuance of a residential equity right and a non-resident equity right, to a non-resident equity right related account of an owner, provides a joint pool service that supports the purchasing of goods or services of sellers by using a corresponding non-resident equity right as standard money, allows a residence right of the user to be recognized through the residential equity, and reduces the burden on the user to invest in the real estate through the corresponding non-resident equity, thereby stimulating investment for profit generation and reducing interest on loans used for buying real estate. So, it is possible to increase the liquidity of funds invested in the real estate. The joint pool service system includes a trust company server and a service server.(20) Trust company(30) Property evaluation agency(40) Joint pool service(50) Service operation company(60) Financial institution(70) Seller(80) Fund manager(90) Investment target company(AA) Income(BB) Investment · repayment(CC) Housing securities (account)(DD) Cash account(EE) Residential equity(FF) Trust(G1, G2) Housing securities(HH) Marketing platformCOPYRIGHT KIPO 2018