Sourcing supplies, clearing debris, and doing prep work can all help you save on basement costs. Consider what skills you have and talk with your contractor about what will shave money in each area. You may have the tools and strength to demo walls, which can save you several hundred dollars. Sourcing the materials for the pro takes this task off their labor time and saves you money. Doing prep work and finish work is also a way to cut down on total cost. Painting the walls yourself at the end of the project could save you hundreds of dollars. Negotiate all these aspects before signing your contract.
When it comes to basement renovation, the national average price for a finished basement ranges between $5,000-$70,000. That said, unless you're adding in an elaborate home theater or building in separate rooms with high-end finishes, most Thumbtack customers report paying, on average, between $5,100-$7,150 for their remodeled basement. A finished basement provides you additional living space, increases your home’s value, and offers great return on investment when it comes to home improvement projects.
Your basement will likely need to be fitted with additional wires to support more lights and electronics. You will need to hire a licensed electrician if you plan to install additional overhead light fixtures, outlets and other components that require additional wiring. The cost of electrical installations depends on the exact project, but licensed electricians tend to charge between $50 and $100 per hour.
Sourcing supplies, clearing debris, and doing prep work can all help you save on basement costs. Consider what skills you have and talk with your contractor about what will shave money in each area. You may have the tools and strength to demo walls, which can save you several hundred dollars. Sourcing the materials for the pro takes this task off their labor time and saves you money. Doing prep work and finish work is also a way to cut down on total cost. Painting the walls yourself at the end of the project could save you hundreds of dollars. Negotiate all these aspects before signing your contract.

Assumptions: The flooring in this calculator is carpet. For hardbood flooring or tile your cost will be higher. The costs estimated here are from finishing your basement using typical materials. If you want high end bathroom fixtures, flooring, etc add another 20% to the bottom line. This estimate includes adding one new full bathroom with rough-in plumbing in place.


You can fit a full bathroom with tub/shower combination in a room that measures 40-square feet. However, on average, a smaller bath (with just a stand-up shower) or a half-bath usually needs to be about 30-square feet for comfort and functionality. Depending on the basement space and layout, you may be able to go with a larger 60-square feet or more bathroom space. Creating bathroom with a separate water closet may require 100-square feet or more.
Installing all of the necessary plumbing and electrical work while walls and floors are unfinished will result in savings.Starting from scratch doesn't require demolition, which can save you around $2,000. Framing may be necessary to define rooms and spaces. System upgrades usually call for minor expansions to the HVAC and electrical systems, but not adding plumbing. The bulk of the cost, however, is in flooring and finishing. After wrapping things up with carpeting, drywall, and ceiling material, you can expect to pay anywhere from $6,500 to $15,500.
Finishing a basement can cost between $25–$50 per square foot on average, depending on how the basement is finished, whether any challenges come up or whether there are special circumstances with the project. For this reason, a 1,000-square-foot basement can cost up to $50,000 or more to finish. Virgil Miranda of Virgil Miranda’s Construction, a general contracting company based in New Bedford, Massachusetts, says it can be tricky to estimate remodeling jobs based on square footage alone, due to the variance in each job. Larger basements may have a lower cost per square foot than tiny remodel jobs.
When it comes to basement renovation, the national average price for a finished basement ranges between $5,000-$70,000. That said, unless you're adding in an elaborate home theater or building in separate rooms with high-end finishes, most Thumbtack customers report paying, on average, between $5,100-$7,150 for their remodeled basement. A finished basement provides you additional living space, increases your home’s value, and offers great return on investment when it comes to home improvement projects.
Your basement will likely need to be fitted with additional wires to support more lights and electronics. You will need to hire a licensed electrician if you plan to install additional overhead light fixtures, outlets and other components that require additional wiring. The cost of electrical installations depends on the exact project, but licensed electricians tend to charge between $50 and $100 per hour.
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