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Avatar for Groundworks
Groundworks
5.0(
64
)

Serving Jefferson, SD and surrounding areas

Approved (Corporate)

Super Service Award Winner

In business since 2000

Free estimates

Warranties offered

"Groundworksâ listened to our input and throughly evaluated the requirements to support the basement walls and prevent water from coming in. They were on time and communicated clearly and timely. The Foreman did an evaluation and recommended a couple changes to the plan that I agreed with and weâ re beneficial. The 3 workers knew what they were doing and worked hard. I appreciate the manner they communicated and they were very friendly. Overall, they did a great job!"
Protect Your Basement
Correct Your Wet Basement
Protect Your Basement
Waterproof Your Basement
Protect Your Concrete Before & After

+16

192 neighbors recently requested a quote
Recommended by75%of homeowners
Avatar for Blackburn Foundation Repair, LLC
Blackburn Foundation Repair, LLC
4.6(
23
)

Serving Jefferson, SD and surrounding areas

Approved

In business since 1992

Free estimates

Warranties offered

"Excellent service! Pro was nice, easy to work with, professional! Never would have known he was here, he cleaned the working area so well! I would definitely recommend Blackburn Basement!!"
Crawl Space Repair
Crawl Space Repair
Response time1 day
96 neighbors recently requested a quote
Recommended by80%of homeowners
Kj construction llc
4.7(
42
)

Serving Jefferson, SD and surrounding areas

In business since 2011

Free estimates

Emergency services offered

"Wow I got a pro when I hired Kevin from KJ Drywall to waterproof my basement. Not only did they do an excellent job but went beyond what they contracted to do. I recommended them to neighbors and KJ (Kevin) treated them in the same professional and efficient manner. Highly recommend KJ Drywall."
Response time1 day
Response rate88%
Recommended by97%of homeowners
Avatar for Enhanced Basements Foundation Repair LLC
Enhanced Basements Foundation Repair LLC
New to Angi

Serving Jefferson, SD and surrounding areas

In business since 2024

Free estimates

Emergency services offered

Enhanced Basements foundation repair offers reliable and affordable foundation repair solutions. Our dedicated team is committed to providing high-quality services to address various foundation issues. We take pride in our work and strive to ensure the safety and stability of your property.

Underground Specialists, LLC
New to Angi

Serving Jefferson, SD and surrounding areas

In business since 2000

Free estimates

We are committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty, and personal responsibility. Our distinction is the quality of service we bring to our customers. Alex prides himself on the cleanliness, speed and precision of the work that he provides. For several years now he has enjoyed working with one happy customer after the next and he looks forward to helping you next! Give Alex a call today.

Response time12 hrs
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Basement Waterproofing questions, answered by experts

The best ventilation for a crawl space is a fully encapsulated crawl space with its own separate ventilation system. If you go this route, ensure you have the proper crawl space code requirements done and dusted before encapsulating your crawl space with a moisture barrier and installing appliances that may not be up to the proper specs.

External pressure on the basement wall can cause it to bow inward. Soil, heavy with water saturation, is commonly the main culprit. The soil exerts immense pressure on the wall, causing it to fail, at least partially. This is known as hydrostatic pressure—these situations can occur after rainfall or simply due to regular groundwater presence and may be temporary or more permanent.  

There are several small, inexpensive upgrades you can make to upgrade your basement. Although you still need to adhere to building codes and obtain permits when necessary, you can complete small but mighty tasks like painting the masonry walls and installing entertainment devices to make the space more usable. 

Preventative measures, such as maintaining drainage systems, installing sump pumps, inspecting roofs regularly, and crafting comprehensive emergency plans, can help mitigate future risks.

A crawl space can be as little as 42 inches below the grade of your house, but this is not always recommended in flood-prone areas. At a minimum, there must be at least 16 inches of clearance between the ground and the floor joists to access the space in an emergency.

The Jefferson, SD homeowners’ guide to basement waterproofing services

From average costs to expert advice, get all the answers you need to get your job done.