diff --git a/src/building/dtos/add.building.dto.ts b/src/building/dtos/add.building.dto.ts
new file mode 100644
index 0000000..e9268c0
--- /dev/null
+++ b/src/building/dtos/add.building.dto.ts
@@ -0,0 +1,23 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { IsNotEmpty, IsString } from 'class-validator';
+
+export class AddBuildingDto {
+  @ApiProperty({
+    description: 'buildingName',
+    required: true,
+  })
+  @IsString()
+  @IsNotEmpty()
+  public buildingName: string;
+
+  @ApiProperty({
+    description: 'communityUuid',
+    required: true,
+  })
+  @IsString()
+  @IsNotEmpty()
+  public communityUuid: string;
+  constructor(dto: Partial<AddBuildingDto>) {
+    Object.assign(this, dto);
+  }
+}
diff --git a/src/building/dtos/get.building.dto.ts b/src/building/dtos/get.building.dto.ts
new file mode 100644
index 0000000..f762469
--- /dev/null
+++ b/src/building/dtos/get.building.dto.ts
@@ -0,0 +1,51 @@
+import { ApiProperty } from '@nestjs/swagger';
+import { Transform } from 'class-transformer';
+import {
+  IsBoolean,
+  IsInt,
+  IsNotEmpty,
+  IsOptional,
+  IsString,
+  Min,
+} from 'class-validator';
+
+export class GetBuildingDto {
+  @ApiProperty({
+    description: 'buildingUuid',
+    required: true,
+  })
+  @IsString()
+  @IsNotEmpty()
+  public buildingUuid: string;
+}
+
+export class GetBuildingChildDto {
+  @ApiProperty({ example: 1, description: 'Page number', required: true })
+  @IsInt({ message: 'Page must be a number' })
+  @Min(1, { message: 'Page must not be less than 1' })
+  @IsNotEmpty()
+  public page: number;
+
+  @ApiProperty({
+    example: 10,
+    description: 'Number of items per page',
+    required: true,
+  })
+  @IsInt({ message: 'Page size must be a number' })
+  @Min(1, { message: 'Page size must not be less than 1' })
+  @IsNotEmpty()
+  public pageSize: number;
+
+  @ApiProperty({
+    example: true,
+    description: 'Flag to determine whether to fetch full hierarchy',
+    required: false,
+    default: false,
+  })
+  @IsOptional()
+  @IsBoolean()
+  @Transform((value) => {
+    return value.obj.includeSubSpaces === 'true';
+  })
+  public includeSubSpaces: boolean = false;
+}
diff --git a/src/building/dtos/index.ts b/src/building/dtos/index.ts
new file mode 100644
index 0000000..93e7c6f
--- /dev/null
+++ b/src/building/dtos/index.ts
@@ -0,0 +1 @@
+export * from './add.building.dto';