If you are researching interior designer cost in Boulder, here is the direct answer: most homeowners nationally spend between $2,000 and $15,000 on interior design services, but for full-service design on a renovation or new build in Boulder, a realistic planning range is 7% to 15% of your total project budget. On a $200,000 Boulder remodel, that means budgeting roughly $15,000 to $45,000 for professional design. Some national stats claim that Interior Design can be 20% of y