Step 2: Click "Building" in the navigation menu. A Building Permit is required for an owner or contractor of a property to construct any residential building with a floor area greater than 120 square feet.For in-person applications, two (2) paper copies of the plans, a completed eligibility checklist, and a completed building permit application are required. All San Bernardino building permits require a completed Building Permit Application. RBC Construction provides custom home builder construction, home design, home remodel and architectural services to local areas of San Bernardino County. Plan Review and Building Permit Fees. The plan review and building permit fees applicable to building construction projects in the City of San Bernardino. Planning and Engineering provides comprehensive plan check and inspection services.