Basement waterproofing costs depend on your project and location. Check with a local pro for your specific job.
As a coastal city, Baltimore has elevated risks for water intrusion, moisture issues, and flooding that can impact basements.
Options like sump pumps, drains, and membranes that protect against water intrusion are common in Baltimore homes.
With local homebuyers in Baltimore often prioritizing basement inspections, having a basement that has undergone waterproofing can be a big selling point.
The average basement waterproofing cost in Baltimore is $4,754, with most homeowners paying between $2,587 and $7,026 for different waterproofing options. As a coastal city, Baltimore's lower elevation and increased flooding risks necessitate more intensive waterproofing options, which may require excavation or the installation of drains. However, local basement waterproofing costs are still slightly below the national average. Read more on what to expect for your basement waterproofing costs in Baltimore, Maryland.
For homes closer to the water in Baltimore, a comprehensive approach that includes yard grading, drains, and membranes may be needed to protect basements against moisture risks and water intrusion. Your waterproofing contractor will inspect your basement to look for risk factors based on details like your property's slope and your basement's orientation in order to provide the best suggestion for how to waterproof your basement.
The cost to waterproof a basement falls between $3 and $10 per square foot on average, although where in this range your pricing falls depends largely on the type of waterproofing method you choose. In any case, large spaces require more time, labor, and material to waterproof than small spaces. Therefore, the larger your basement, the more you can expect to pay for waterproofing for any given method.
Below is a breakdown of how much you might spend for a range of basement sizes.
| Basement Size (Sq. Ft.) | Average Cost Range |
|---|---|
| 300 | $1,200–$1,800 |
| 500 | $2,000–$3,000 |
| 700 | $2,800–$4,200 |
| 900 | $3,600–$5,400 |
| 1,000 | $4,000–$6,000 |
| 1,200 | $4,800–$7,200 |
| 1,500 | $6,000–$9,000 |
| 1,700 | $6,800–$10,200 |
Depending on where your basement water issues are stemming from and what solutions your expert recommends, you may need either interior or exterior waterproofing services. Some homes require both. Interior basement waterproofing is often more affordable because it doesn’t involve excavation and backfilling. Something like installing damp-proofing around the exterior of your foundation would require a lot of digging, which drastically increases labor costs.
You’ll spend an average of $3,000 on interior waterproofing services, while extensive exterior services will cost an average of $7,000.
As mentioned above, professionals can waterproof your basement from the exterior or the interior. Exterior methods are more effective because they’re preventative, but they’re also more expensive because they tend to require excavation, which is time-consuming. The table below includes a list of basement waterproofing methods along with cost ranges for each.
| Waterproofing Method | Interior or Exterior | Average Cost Range |
|---|---|---|
| Sump pump | Interior | $800–$1,450 |
| Foundation coatings | Interior | $650–$1,000 |
| Dehumidifiers | Interior | $500–$1,100 each |
| Vapor barrier | Interior | $900–$2,000 |
| Weeping tiles (interior French drain) | Interior | $50–$90 per square foot |
| Baseboard channels | Interior | $20–$25 per linear foot |
| Yard grading | Exterior | $250–$2,200 |
| Underground downspout | Exterior | $200–$1,500 |
| Gutter system | Exterior | $3–$30 per linear foot |
| Liquid membrane waterproofing | Exterior | $1.50–$5 per square foot |
Basement waterproofing professionals in Baltimore, Maryland, must factor in costs for taxes and insurance when providing homeowners with quotes. The scope of the project also determines costs for things like labor, materials, and permits.
In general, basement waterproofing techniques that involve excavation or making significant alterations to a basement, foundation, or yard all require permits. Your contractor will apply for all permits needed for this project through the Baltimore City Department of Housing and Community Development. With permit fees tied to project scope, homeowners might pay between $75 and $225 on average for permits.
Baltimore basement waterproofing professionals generally charge between $150 and $210 hourly. However, rates vary based on the type of work being done. For example, costs for digging trenches and adding piping to improve drainage will represent the higher end of the cost scale. Meanwhile, adding membranes or applying a waterproof sealant can represent the lower end.
While labor for basement waterproofing in Baltimore isn't taxable, contractors will pass down the taxes incurred for the costs of materials to clients. Baltimore, Maryland, has a flat sales tax rate of 6%.
Baltimore contractors are required to carry liability and workers' compensation insurance. Depending on the size of the business and number of employees, most contractors pay between $89 and $229 in monthly premiums in total.
Contractors handling the scope of work required for basement waterproofing need to be licensed through the Maryland Home Improvement Commission (MHIC). The cost for this is baked into the cost of doing business that ultimately determines contractor fees. The initial investment to operate as a contractor in Baltimore includes a $281.25 application fee, $100 guaranty fund assessment, and $22.50 processing fee.
Is basement waterproofing worth it in Baltimore? As with any coastal city, Baltimore is at elevated risk for water intrusion, moisture damage, and flooding during storms. This is why the return on investment (ROI) for waterproofing a basement in Baltimore can be as high as 90%. With local homebuyers in Baltimore often prioritizing basement inspections, having a basement that has undergone waterproofing can be a big selling point.
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Thank you so much for a professional and efficient job! We had a flood in our basement and needed to have our carpet cleaned. Eco Pro cleaned the back of the carpet before it was put back in place. After the carpet was re-installed, they came back to do a complete cleaning of the entire...
Eco Pro RestorationExcellent experience. Power washing made the house look amazing. They also painted and waterproofed the foundation of my home with a special Sherwin Williams product that looks amazing and will provide protection for years to come. Definitely recommend!
G.I. Sealing and Home Solutions LLCThe crew was right on time and left my basement spotless and no asbestos to be found.
A#1 Abatement, Inc.Fabio and Jake did an excellent job installing our basement door and storm door on a Saturday, thanks
West Shore Home BaltimoreJob was to repoint both brick and stonework in our basement. The mortar was in a serious state of disrepair. The basement is about 1,000 square feet and the walls are around 9 feet tall. Some drywall had to be removed and then replaced to get to the brick work. The work was carried out...
Mid Atlantic RemodelI needed a complete basement remodel, which also included electrical wiring. When I presented my ideas to Qualified Remodlers, the owner, Joe listened and asked questions to get an understanding of exactly what I wanted. Joe presented a better plan and a way for me to stay within my budget....
Qualified Remodelers, Inc.We were blown away by the waterproofing job! His team gave 100% every single day. I will definitely recommend this company to my friends and family.
MetavisionGreat company that helped me with an unsual job to dig out my basement while my business was still open. They worked hard, were professional, on time and cleaned up daily after themselves.
Superior Demolition, LLCNot just inspection, but clean up and waterproofing my crawlspace. Very reasonable estimate compared to many other companies. Did the work within 10 days cleanly and professionally. I now have a dry and usable crawlspace.
Green Home Solutions provided excellent recommendations and service for a mold remediation project basement office ofice.Lesley Sheaffer,Sales Solution Expert,provided clear explanations and solutions to the project. Highly recommended.
Green Home Solutions of Mount AiryFrom average costs to expert advice, get all the answers you need to get your job done.
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