The best Arkansas floor plans. How much does it cost to build a house in AR? Order a CTB report for any design & find out! Call 1-800-913-2350 for expert help. All of our home blueprints can be modified to fit your lot or altered to fit your unique needs. 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.