The best Illinois style house floor plans. Find small, narrow, luxury, Chicago, modern open layout & more home designs. Call 1-800-913-2350 for expert help. Please note that some locations may require specific engineering and/or local code adoptions. Be sure to check with your contractor or local building authority to see what is required for your area. If you find a home design that's almost perfect, but not quite, call 1-800-913-2350. Our house plans can be modified to fit your lot or unique needs.