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.*.
Average New Home Construction Cost Per Square Foot. Average new home construction cost per square foot varies by state, and ranges from $75 to $130 per square foot. Homes in the Southeastern and Midwestern states cost much less than homes in California, Hawaii and the Northeastern states.