Basement professionals near you

When looking for a basement contractor for your project, make sure you complete the following steps: 

• Verify their license and insurance: Confirm that each basement contractor holds a license and specialty licenses for any plumbing, electrical work, or foundation repairs (depending on your project). Also, ensure they carry liability insurance and workers’ compensation coverage. Requirements depend on your local area so be sure to do your research.

• Get several estimates: A good rule of thumb is to obtain at least three estimates that detail the costs for materials, labor and permits. The quotes should also clearly outline exactly what’s included, such as moisture control methods, insulation ratings and finishing work.

• Read their reviews: Read reviews to spot red flags like moisture problems returning after waterproofing. Positive reviews usually mention smooth permit processes, daily cleanups and staying on budget.

• Look at their portfolios: Ask to see photos of similar basement projects. Pay attention to clean finishes around support posts, even lighting and how each contractor dealt with low-hanging pipes or ducts.

• Find out if they have warranties: Look for transferable warranties that cover both materials and labor. Quality basement contractors typically warranty waterproofing and finishing work.

• Ask the right questions: For example, who will manage your project day-to-day? What happens if the contractor finds water or foundation issues during the work? What permits will your project need, and who handles securing them?

For more tips, visit Thumbtack’s Smart Hiring page.

Basement contractors typically provide a range of services, including:

• Waterproofing

• Foundation repair and maintenance services

• Uneven basement floor leveling

• Full basement finishing

• Basement remodeling and additions

• Egress window installation

• Sump pump installation

• Exterior drainage solutions

• And more!

However, basement contractors don’t usually offer these services:

• Architectural design: Most basement contractors work from existing plans instead of creating detailed blueprints for major structural changes.

• Complete foundation replacement: They typically don’t handle the complete replacement of an entire foundation. That’s usually a much larger project requiring engineering expertise. Instead, you may need to hire a foundation professional for replacement services.

• House lifting: House raising is a niche service requiring specialized contractors, not something regular basement pros typically handle.  

• Major electrical upgrades: If properly licensed, a basement contractor may be able to complete basic electrical work. However, they typically don’t perform whole-house electrical rewiring or major service panel upgrades. Hire an electrician for those types of projects. 

• Extensive landscaping: Basement contractors may address exterior drainage issues related to waterproofing, but they don’t typically complete large-scale landscaping projects. Contact a landscaping professional for these projects.

The cost of hiring a basement contractor will depend on the project. Here are the the national average cost estimates for  popular basement projects, according to Thumbtack data:

• Basement finishing or remodeling: Around $5,700 to $23,130*.

• Basement waterproofing: Around $1,670 to $6,775.*

• Sump pump installation: Around $730 to $1,100.*

• Basement foundation repair: Around $1,420 to $6,050.*

There are several factors that might impact the cost of this project, including:

• Basement size: Larger basements typically need more materials and labor. A 500-square-foot basement usually costs much less than a 1,500-square-foot space for the same type of work.  

• Project scope: The scope of the work can make a big difference in price. 

• Material quality: Higher-end materials like premium flooring, custom cabinetry or specialty moisture-resistant finishes could raise the overall price of your project.

• Finishing level: You’ll typically pay less for basic finishing with drywall, carpet and minimal fixtures. Expect higher prices when choosing custom features like built-in entertainment centers.

• Property location: Labor rates vary widely by region. Contractors in major cities often charge more than those in rural areas.

You might be able to save money on your project with these tips:

• Plan carefully: Take time to map out your project before starting. Knowing exactly what you want helps you avoid changes that can add to the cost later.

• Use budget-friendly materials: Opt for cost-effective options like vinyl flooring, prefabricated wall panels or laminate countertops.

• Keep the layout simple: The more you move plumbing, wiring or walls, the more expensive the project often gets. Try to work with the existing layout as much as possible to save on labor and materials.

• Be flexible with timing: If you’re not in a hurry, scheduling your project during the basement contractor’s slow season can sometimes get you a better rate.

*Data on file at Thumbtack. For a personalized cost estimate, request a quote from a professional.

Some of the biggest benefits of hiring a contractor to work on your basement include the following:

• Expertise and experience: Professional contractors generally have the knowledge and experience to complete your basement project properly.

• Tools and equipment: Pros typically own or have access to the tools and equipment needed for this type of project, so you don't have to buy or rent them yourself.

• Saving time: Contractors tend to have the skills, know-how and staffing to complete your basement project more efficiently than you could if you took it on yourself.

• Safety and compliance: Most contractors know how to navigate and follow safety standards and local building codes, which can help prevent potential hazards and costly mistakes.

• Local knowledge: Pros in your area often know your area's building codes and where to source the best, closest and most cost-efficient supplies and building materials. Hiring a local contractor also often saves time and money on travel and transportation costs.

• Quality results: Hiring a pro typically means you'll get high-quality, long-lasting results.

Typically, it will take anywhere from a day to 10 weeks or longer for a basement contractor to complete a project. There are a few factors that can impact how long it takes. For example:

• Basement size: Waterproofing can be as quick as a one-day job for a smaller basement. Large houses may take up to a week.

• Remodeling: Remodels can take up to 10 weeks or longer, depending on the size and scope of the project. 

• Hidden existing damage: Locating unknown damage can affect your timeline. Because this work is unexpected, it likely won’t be included in your original timeline. 

• Materials: Some materials can take longer to arrive due to being back ordered or out of stock. Getting custom materials may extend the time until completion.

• Project scope changes: Adding to or changing your mind about your project can increase the time it takes to finish. 

Remember: The timeline for your project will vary depending on many factors. Always ask your pro to provide an estimate.