Octa Customer Service Number, Toll Free Number, Email Id. Contact Address For Octa. 550 South Main Street, Orange, California 92863, United States. You can visit Octa on the address mentioned above and ask your queries or register your complaints.(Please call before visit Octa)
you'll get a customized quote estimate based on the actual house plan, your location, your finish choices and even sweat equity contributions. 1  Only $29.95 per plan. 2  Order the Cost-to-Build Report and when you do purchase a house plan, $29.95 will be deducted from your order.*.
The average cost to build a house per square foot is 65 dollars a  square foot. There is a range between 50 and 100 dollars a square  foot depending on the builder and build â¦ ing materials.4 people found this useful.he average cost to build a house per square foot is 65 dollars a  square foot. There is a range between 50 and 100 dollars a square  foot depending on the builder and build â¦ ing materials. 4 people found this useful.