How Much Does Adding A Second Floor Cost

If you're evaluating the cost to add a second story, your house is likely feeling more than a little cramped. See cost examples and tips. The cost to add a second story ranges from $100,000 to $250,000, though many homeowners spend about $175,000 to gain some much.

Second Floor Addition Cost Per Square Foot On average, a second-story addition costs $150 to $250 per square foot across the U.S. That means a full second floor-say, 1,000 square feet-can run $150,000 to $250,000, depending on how fancy you get. If you're only adding part of a second story, like a bonus room or master suite, it'll cost less.

But square foot for square foot, partial. Considering adding a second story to your home, but want to know how much it will cost? This guide will help you answer the question. Budget for the cost to add a second story based on factors such as size, foundation work, materials, labor, permits, post-construction cleaning, and more.

Adding a second story starts at around $65,000 for one room and can go as high as $600,000 for more elaborate work. The average cost for adding a second story to a house is $100 to $300 per square foot. The average cost to add a second story is $200 to $500 per square foot for materials and labor.

A full second floor addition costs $200,000 to $750,000+. Plan for Contingencies Incorporate a contingency fund by adding a buffer percentage to the total project cost estimate to prepare for unexpected expenses or changes during the second story addition construction. Planning for contingencies ensures you have a safety net against unforeseen costs.

Highlights Choosing to convert a vaulted ceiling or just add a dormer can save you $550,000+ instead of adding a full second story. Any second-story addition you make will require the cost of general contractors, permits, and demolition. Depending on your home, you may also need to reinforce your foundation, which could cost about $5,000 or more.

The cost for foundation reinforcement can range widely, often starting at $5,000 and potentially exceeding $15,000 for extensive work. Existing load.