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5-Star Reviews

Serving Grafton, WI since 2008
Homes in Grafton, WI face a wide range of foundation and basement challenges, from water seepage after heavy rain to shifting walls in older block foundations. Whether youโre near the Milwaukee River or in a neighborhood with aging construction, basement moisture and structural damage are problems that only get worse with time.
At Accurate Basement Repair, we help Grafton homeowners protect their properties with expert basement and foundation services. From foundation repair and waterproofing to egress window installation and exterior wall excavation, we deliver targeted solutions backed by local experience and proven methods.
If youโve noticed wall cracks, musty odors, or signs of movement in your basement, weโll inspect the damage, explain your options, and get to work on a fix that lasts.
Trustworthy Repairs since 2008
3125 E. Allerton Ave.
Milwaukee WI 53235
414-744-6900
Licensed and insured
Prompt service
No sales gimmicks
Clean work areas
In Grafton, WI, foundation problems often begin with subtle signs, such as small wall cracks, sticky windows, or gaps between the floor and baseboard. But in a town with a mix of older construction and clay-heavy soils, those small issues can quickly lead to bowing walls or structural instability if left unaddressed.
Accurate Basement Repair offers foundation repair services tailored to the homes and soil conditions found throughout Ozaukee County. Whether your foundation was built with concrete block or poured walls, our team identifies the source of the problem and applies the right fix, from reinforcing bowing walls with steel I-beams to replacing sections too damaged to salvage.
Every repair we make is grounded in honest recommendations, clear expectations, and our Guaranteed Solutions for Lifeโข. So you can move forward with confidence.


In Grafton, basement water problems are often tied to poor exterior drainage, aging sump systems, or hydrostatic pressure pushing moisture through foundation walls. Homes near the Milwaukee River or with high water tables are especially vulnerable to leaks during spring thaw and summer storms.
At Accurate Basement Repair, we offer basement waterproofing services designed to address the real cause of moisture and not just cover it up. Our team installs interior drain tile systems, sump pumps, and other services that manage water before it damages your basement. We also identify weaknesses in your foundation and recommend reinforcement when needed.
If you’re dealing with a wet basement, musty smell, or visible seepage, Accurate Basement Repair will help you fix it permanently and protect your home from future damage.
Many older homes in Grafton, WI were built before egress windows were required, leaving finished basements without a proper emergency exit. Whether you’re planning a remodel or converting space into a legal bedroom, adding an egress window is essential for both code compliance and safety.
Accurate Basement Repair installs egress windows that meet Wisconsin building codes and local permitting requirements. We handle the full process of excavating the area, cutting through the foundation wall, installing the window well and drainage, and sealing the opening to prevent future leaks. Our systems are built to last and designed to fit your home’s layout and foundation type.
If you’re ready to upgrade your basement and make it safer for everyday use, Accurate Basement Repair will guide you through the process from start to finish.


In older areas of Grafton, WI, many homes were built without modern waterproofing or drainage systems. Over time, this leads to exterior basement walls that crack, lean, or begin to fail due to prolonged exposure to moisture and shifting soil. When interior repairs arenโt enough, excavating from the outside is often the only reliable path forward.
Accurate Basement Repair provides basement excavation services throughout Milwaukee, WI, giving our team access to the damaged foundation walls so they can be repaired, reinforced, or replaced as needed. We remove soil along the affected area, assess the condition of the structure, and apply waterproof coatings or drainage materials before carefully backfilling the site. This process restores stability and helps prevent future water damage.
If your basement walls are showing signs of serious deterioration, Accurate Basement Repair will give you a clear evaluation and a long-term solution built to protect your home.

Choosing a foundation and waterproofing company is the most important decision you’ll make for your home’s structural integrity. Unfortunately, making the wrong choice has costly consequences.
Hiring the wrong foundation company leads to:
Poor and temporary fixes
Water damage that puts your family and home at risk
Spending thousands on recurring repairs
Structural issues that worsen over time
Headache & Worry
You shouldn’t have to worry about being taken advantage of by a contractor. When working with us, you can count on an experience that’s rare in the foundation industry.
Licensed, bonded, and insured
Guaranteed Solutions for Lifeโข
Honest assessments with no sales games
Industry-leading transferrable warranties
No-risk money-back guarantee
Lifetime annual maintenance
Top Rated Company with over 1073 5-Star reviews


Anyone can say they fix it, we guarantee it for life!
Trusted by your neighbors, endorsed by top home inspectors, and approved by structural engineers.
Fair & Honest Pricing
We believe in real, honest, 100% transparent pricing. Not โprice matchingโ gimmicks and marketing tricks like some companies.
No gimmicks
No pushy tactics
Priced with integrity
Built on honesty

Accurate Basement Repair Financing Solutions
Most homeowners donโt expect to deal with water in the basement or cracks in the foundation. But when these problems show up, delaying repairs can make the damage worseโand more expensive.
Simple Process
Fast Approvals
Multiple Financing Options
Todayโs Best Rates

Keep your system working at maximum capacity
When you had your waterproofing solution installed, you made a very important decision to protect your property. Just as your automobile needs maintenance and monitoring, so does every waterproofing system.
Protect your home from cracks, settling, and structural damage. Our team specializes in foundation repair solutions designed for Milwaukee’s clay-heavy soil and weather conditions. Services include:
We are local homeowners too. Every solution we provide is designed for Milwaukee’s unique soil and climate conditions. When you work with us, you also get:
Homes in Milwaukee often face issues caused by soil movement, moisture, and heavy rains. Common problems include:
These issues get worse over time if not addressed, so early action is important.