This online basement remodeling cost calculator is here to give you a basic estimate for finishing your basement. Finishing your basement includes many different variables, so it’s a good idea to get a good idea of the cost as early as possible. Circumstances, materials, and the like can change over time, but a good “ballpark” estimate will give you a basic idea of where you’re starting from. We provide you with this calculator so you can get a better understanding of roughly what finishing your basement will cost.
Get estimates from several companies; request and check references. Understand exactly what is (and isn't) included in each estimate, and whether the contractor will do the paperwork for required building permits. Ask about the contractor's length and type of experience, especially if there's anything unusual about your project. Be sure a company is properly bonded and insured and licensed in your state . See if there are any complaints with the Better Business Bureau .
This before and after photoset is of a raised ranch basement. In the before picture you can see the outdated and unappealing wood paneling on the walls. The room also looks dark because the window is not allowing natural light to flow in. In the after picture you’ll see that our crew turned this dark and outdated basement into a bright, naturally-lit functional space.
In choosing the best décor for the basement, try to create some sense of continuity with the rest of the house. Start by creating an open stairwell leading from the rest of the house. It makes the basement feel open, lighter and connected to your home. Next, make sure that anyone descending the stairwell isn’t jarred by the contrast in décor with the space above. As much as you need to create defining styles for different sections of the basement, ensure there is a flow from the décor above to the one below. Otherwise, your basement is going to feel like some far off disconnected place and not part of your home.
How fast the job needs to be completed has a significant impact on the final price. A professional team can take a basement from framing to complete in about 45 days. A DIYer typically needs more time. If things need to be inspected, inspectors work on their own schedule, and if concrete needs to be poured, time must be allotted for it to properly set.
Failure to obtain proper permits can result removing (demo-ing) any current finishing work or remodeling already installed. You could also face fines. A "stop work order" may be issued, which usually causes double the fees when you do, eventually, apply for the permit(s). If you have to file an insurance claim and can't produce any permits, the insurance company may deny the claim. Finishing a basement without permits also can affect the home's resale value.
The average cost of basement remodeling varies based on the square footage of the basement space, if structural changes are needed, and if you are adding in elements such as electrical work for a kitchenette or plumbing for a half bath. Other factors in cost include whether you have design plans already and what work you want done on the finishes such as trim and flooring. Here’s a breakdown of the various cost factors.
The average cost to install an HVAC system in the basement is $4,000 to $6,400 with new ductwork costing an additional $1,500 to $3,000. You might not have to install a separate HVAC system for the basement if the existing unit upstairs can handle the extra workload. If it can’t, then either upgrade your existing unit or install a second unit downstairs. You’ll have to install new ductwork and ventilation either way, unless you install a mini-split system.
Pipes will have to be brought down, and a sewage pump and backwater valve might have to be installed to ensure proper drainage of effluent and bath/shower water if gravity doesn’t work in your favor. Take care to ensure moisture prevention with a dehumidifier and vented fan system. Many building codes have minimum dimensions regarding how close each fixture can be to the next.