(Please note that in certain situations,  what ,  when , and  where  can function as relative pronouns.) Relative pronouns introduce relative clauses, which are a type of dependent clause. Relative clauses modify a word, phrase, or idea in the main clause.
The 2014 Survey of Construction (SOC) from the Census Bureau shows that the average completion time of a single-family house is around 7 months, which usually includes around 25 days from authorization to start and another 6 months to finish the construction.
Tweet. Every day someone asks me what is the average square foot cost for new home construction. Or they ask can you build me a house for $150 a square foot. The answer is, it depends! Trying to set a standard square foot cost for new home construction is like trying to say there is a standard price for vehicles.Many things effect the cost of new construction.weet. Every day someone asks me what is the average square foot cost for new home construction. Or they ask can you build me a house for $150 a square foot. The answer is, it depends! Trying to set a standard square foot cost for new home construction is like trying to say there is a standard price for vehicles.