Cost is roughly 6 per square foot. This includes digging the basement, building materials, basement windows and waterproofing. Building a crawlspace versus a basement will save a minimum of 3, 000 for a new home, largely because it requires no concrete floor. Oct 26, 2018Expect an unfinished basement to cost between 10to25 per square foot, while a finished basement will run between 30and100 per square foot, as per Home Advisor. Overall, a basement will cost between 18, 000to30, 000. Installing an unfinished basement will cost 1025 per square foot, while finished basements run you between per square foot. This makes for significant variance in price from one project to another, beginning with a low of 10, 000 and topping off at about 175, 000. The more than you can plan for on paper, the better prepared you are to deal with any surprises that may come up. If you create a budget in a spreadsheet or worksheet, it can also help you keep track of your expenses as you go. The categories you need to add to calculate the cost of building a basement include. A full basement foundation for an average home can cost 13, , 000 or more, depending on the width and height of the walls, and whether utilities, windows or other features are included. An ownerbuilder [4 reports spending 790 on excavation, 7, 000 to pour concrete footings and foundations. Poured Concrete Wall Costs Concrete prices vary widely by region of the country and time of year. Readymixed concrete will cost between 65 and 90 per cubic yard (3'x3'x3'). Jul 12, 2014Is there a good rule of thumb to use for calculating the cost of a poured concrete basement per linear foot? Know there are many variables but just looking for a ballpark to use when looking at houseplans. Poured slab concrete typically costs 35 per square foot. Footings 1 can add an additional 12 per square foot. A crawl space foundation can be a better option, but it also requires more materials and labor time and can double the overall cost of the project. How much does a concrete floor cost? I'll share with you the concrete floor cost I charge my customers, what's included, and what's not included. My name is Mike Day, I own Day's Concrete Floors, Inc in North Monmouth, Maine. I've owned my concrete business for 26 years, so I have some experience when it comes to concrete floor prices. For a finished basement, figure about per square foot or well over 100, 000. The price will go up when you need a separate entrance. A finished basement will also require a quality drainage system, waterproofing, and sealing the concrete, which is a good idea anyway. Footings Building a concrete foundation costs an average of about 8, 000. Most projects range between 4, , 000. Basement foundation projects run anywhere from 10, , 000. The cost of the raw materials is roughly the same for poured wall and block basements. The basic components are small gravel, cement mix and sand. Poured wall basements require a larger expenditure for labor, as most homeowners must hire a professional to measure, mix and pour the concrete into the basement area.