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5-Star Reviews

Serving Port Washington, WI since 2008
In a lakeside community like Port Washington, WI, changing groundwater levels, soil saturation, and aging construction can all contribute to foundation and basement problems. Homes near the shoreline or built decades ago are especially vulnerable to wall cracks, seepage, and structural movement over time.
Accurate Basement Repair helps Port Washington homeowners protect their properties with expert basement and foundation services. Whether youโre seeing signs of settlement, dealing with recurring water intrusion, or planning a basement renovation that requires a code-compliant egress window, weโre here to help. Our services are built around the real conditions facing homes in Ozaukee County and not just generic fixes.
From structural repairs to waterproofing and exterior excavation, Accurate Basement Repair delivers long-term solutions designed for your home.
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
Coastal conditions in Port Washington, WI can take a toll on your foundation over time. Saturated soil near the lakeshore, poor surface drainage, and decades of freeze-thaw cycles often lead to shifting walls, wide cracks, and uneven floors. In some homes, the pressure builds until sections of the foundation begin to fail.
Accurate Basement Repair offers foundation repair services that address the damage at its source. Our team inspects the structure, identifies signs of movement or instability, and recommends the right repair. We cover everything from reinforcing the wall with steel I-beams to replacing a severely compromised section. We focus on long-term protection, not quick fixes.
All eligible repairs are backed by our Guaranteed Solutions for Lifeโข, giving you lasting peace of mind.


In Port Washington, WI, basement water problems are often tied to the townโs proximity to Lake Michigan and its naturally high water table. During heavy rains or spring thaw, hydrostatic pressure can build up around the foundation, forcing moisture through cracks, gaps, or unsealed joints. Left untreated, this can lead to mold growth, musty odors, and long-term damage to the homeโs structure.
Accurate Basement Repair provides basement waterproofing services designed to keep water out for good. Whether your home needs an interior drain tile system, a new sump pump, or additional drainage control, our team will install a system that fits your foundation and soil conditions.
If youโre dealing with a damp basement or signs of water intrusion, Accurate Basement Repair will inspect the space and provide a clear, effective path forward.
Basements in older Port Washington, WI homes were often finished before modern building codes required emergency exits. If you’re converting one into a legal bedroom or updating an existing space, installing a code-compliant egress window is essential for safety and compliance.
Accurate Basement Repair installs egress windows that meet code and protect your basement from water intrusion. Our team handles the full installation process: excavation, foundation cutting, window well placement, drainage system setup, and full perimeter sealing. Every detail is managed to ensure long-term performance and code compliance.
If you’re upgrading your basement or bringing an older living space up to standard, Accurate Basement Repair will make sure the work is done right the first time.


Basement walls in Port Washington, WI can deteriorate over time, especially in homes near the lake or built without modern waterproofing systems. When cracks widen, walls begin to lean, or sections start to fail, accessing the exterior of the foundation is often the only way to perform a proper repair.
Accurate Basement Repair provides full basement excavation services throughout Milwaukee, WI. Our team carefully removes soil along the damaged foundation wall, evaluates the structural condition, and performs reinforcement or replacement as needed. Once the repair is complete, we apply waterproofing materials and drainage systems before backfilling to protect the area long-term.
If your basement walls are showing signs of serious damage, Accurate Basement Repair will provide a clear assessment and a lasting repair plan thatโs designed to restore stability.

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.