diff --git a/tracky-web/src/main/java/kernel360/trackyweb/rent/domain/provider/RentDomainProvider.java b/tracky-web/src/main/java/kernel360/trackyweb/rent/domain/provider/RentDomainProvider.java
index ffc7eae8..64c5eb7a 100644
--- a/tracky-web/src/main/java/kernel360/trackyweb/rent/domain/provider/RentDomainProvider.java
+++ b/tracky-web/src/main/java/kernel360/trackyweb/rent/domain/provider/RentDomainProvider.java
@@ -7,13 +7,12 @@
 import org.springframework.data.domain.Page;
 import org.springframework.stereotype.Component;
 
-import com.querydsl.core.Tuple;
-
 import kernel360.trackycore.core.common.exception.ErrorCode;
 import kernel360.trackycore.core.common.exception.GlobalException;
-import kernel360.trackycore.core.domain.entity.QRentEntity;
+import kernel360.trackycore.core.domain.entity.BizEntity;
 import kernel360.trackycore.core.domain.entity.RentEntity;
 import kernel360.trackycore.core.domain.entity.enums.RentStatus;
+import kernel360.trackycore.core.infrastructure.repository.BizRepository;
 import kernel360.trackyweb.car.infrastructure.repository.CarDomainRepository;
 import kernel360.trackyweb.rent.application.dto.request.RentSearchByFilterRequest;
 import kernel360.trackyweb.rent.application.dto.response.OverlappingRentResponse;
@@ -27,6 +26,7 @@ public class RentDomainProvider {
 
 	private final RentDomainRepository rentDomainRepository;
 	private final CarDomainRepository carDomainRepository;
+	private final BizRepository bizRepository;
 
 	public RentEntity save(RentEntity rent) {
 		return rentDomainRepository.save(rent);
@@ -37,6 +37,7 @@ public Long count() {
 	}
 
 	public Page<RentEntity> searchRentByFilter(RentSearchByFilterRequest request, String bizUuid) {
+
 		return rentDomainRepository.searchRentByFilter(request, bizUuid);
 	}
 
@@ -53,8 +54,10 @@ public Long getTotalRentDurationInMinutes() {
 	}
 
 	public void softDelete(String rentUuid) {
+
 		RentEntity rent = rentDomainRepository.findByRentUuid(rentUuid)
 			.orElseThrow(() -> GlobalException.throwError(ErrorCode.RENT_NOT_FOUND));
+
 		rent.updateStatus(RentStatus.DELETED);
 	}
 
@@ -71,11 +74,10 @@ public void validateOverlappingRent(String mdn, LocalDateTime rentStime, LocalDa
 	}
 
 	public List<RentMdnResponse> getRentableMdnList(String bizUuid) {
-		List<Tuple> tuples = rentDomainRepository.findRentableMdn(bizUuid);
-		return tuples.stream().map(tuple -> {
-			return new RentMdnResponse(tuple.get(QRentEntity.rentEntity.car.mdn),
-				tuple.get(QRentEntity.rentEntity.car.status));
-		}).toList();
-	}
 
+		BizEntity biz = bizRepository.findByBizUuid(bizUuid)
+			.orElseThrow(() -> GlobalException.throwError(ErrorCode.BIZ_NOT_FOUND));
+
+		return rentDomainRepository.findRentableMdn(biz.getId());
+	}
 }
diff --git a/tracky-web/src/main/java/kernel360/trackyweb/rent/infrastructure/repository/RentRepositoryCustom.java b/tracky-web/src/main/java/kernel360/trackyweb/rent/infrastructure/repository/RentRepositoryCustom.java
index ff0506e6..5d56371d 100644
--- a/tracky-web/src/main/java/kernel360/trackyweb/rent/infrastructure/repository/RentRepositoryCustom.java
+++ b/tracky-web/src/main/java/kernel360/trackyweb/rent/infrastructure/repository/RentRepositoryCustom.java
@@ -5,15 +5,14 @@
 
 import org.springframework.data.domain.Page;
 
-import com.querydsl.core.Tuple;
-
 import kernel360.trackycore.core.domain.entity.RentEntity;
 import kernel360.trackyweb.rent.application.dto.request.RentSearchByFilterRequest;
+import kernel360.trackyweb.rent.application.dto.response.RentMdnResponse;
 
 public interface RentRepositoryCustom {
 	Page<RentEntity> searchRentByFilter(RentSearchByFilterRequest request, String bizUuid);
 
-	List<Tuple> findRentableMdn(String bizUuid);
+	List<RentMdnResponse> findRentableMdn(Long bizId);
 
 	List<RentEntity> findDelayedRents(String bizUuid, LocalDateTime now);
 
diff --git a/tracky-web/src/main/java/kernel360/trackyweb/rent/infrastructure/repository/RentRepositoryCustomImpl.java b/tracky-web/src/main/java/kernel360/trackyweb/rent/infrastructure/repository/RentRepositoryCustomImpl.java
index 2128a196..2b0c6c7a 100644
--- a/tracky-web/src/main/java/kernel360/trackyweb/rent/infrastructure/repository/RentRepositoryCustomImpl.java
+++ b/tracky-web/src/main/java/kernel360/trackyweb/rent/infrastructure/repository/RentRepositoryCustomImpl.java
@@ -13,7 +13,7 @@
 import org.springframework.stereotype.Repository;
 
 import com.querydsl.core.BooleanBuilder;
-import com.querydsl.core.Tuple;
+import com.querydsl.core.types.Projections;
 import com.querydsl.jpa.impl.JPAQuery;
 import com.querydsl.jpa.impl.JPAQueryFactory;
 
@@ -22,6 +22,7 @@
 import kernel360.trackycore.core.domain.entity.enums.CarStatus;
 import kernel360.trackycore.core.domain.entity.enums.RentStatus;
 import kernel360.trackyweb.rent.application.dto.request.RentSearchByFilterRequest;
+import kernel360.trackyweb.rent.application.dto.response.RentMdnResponse;
 import lombok.RequiredArgsConstructor;
 
 @Repository
@@ -60,14 +61,18 @@ public Page<RentEntity> searchRentByFilter(RentSearchByFilterRequest request, St
 	}
 
 	@Override
-	public List<Tuple> findRentableMdn(String bizUuid) {
+	public List<RentMdnResponse> findRentableMdn(Long bizId) {
 
 		return queryFactory
-			.select(rentEntity.car.mdn, rentEntity.car.status)
+			.select(
+				Projections.constructor(
+					RentMdnResponse.class,
+					rentEntity.car.mdn, rentEntity.car.status
+				))
 			.distinct()
 			.from(rentEntity)
 			.where(
-				rentEntity.car.biz.bizUuid.eq(bizUuid),
+				rentEntity.car.biz.id.eq(bizId),
 				rentEntity.car.status.ne(CarStatus.CLOSED),
 				rentEntity.car.status.ne(CarStatus.DELETED)
 			)