Where we work
Where We Work: St. Clair Shores, the Grosse Pointes and Nearby
Hand-dug exterior basement waterproofing in St. Clair Shores, the Grosse Pointes, Warren and nearby Macomb County. Pick your city for its local rules and history.
- Owner on site at the key stages of every job
- 10–15 year written warranty
- Small, family-owned, founded in 1956
Clark Basement Waterproofing, a family-owned exterior waterproofing company based in Mount Clemens, Michigan, works in St. Clair Shores, Grosse Pointe Park, Grosse Pointe Woods, Grosse Pointe Farms, Grosse Pointe Shores, Warren, Harrison Township and Clinton Township, plus some other parts of Macomb, Wayne and Oakland counties. Every job is dug by hand, and estimates are free, written and done at your house.
Sewer systems, downspout rules and permit offices differ from city to city. Each city page covers what’s local: the age of the houses, what has flooded basements there, and the rules before anyone digs. Here’s where we work, county by county.
Where do we do basement waterproofing in Macomb County?
In Macomb County, we work in St. Clair Shores, Warren, Harrison Township and Clinton Township, and in some other parts of the county.
- St. Clair Shores (no local page yet): about half of the city’s housing units were built in the 1950s, according to the 2020–2024 American Community Survey.
- Warren, MI: why Warren’s 1960s basements leak, what flooded them in 2014 and 2024, and what’s on the city’s permit form.
- Harrison Township (no local page yet): a peninsula with Lake St. Clair on three sides, where most residential land sits on sandy lake-plain soils with a high seasonal water table.
- Clinton Township (no local page yet): the township lists basement waterproofing among the projects that need a building permit. We pull the permits the job needs ourselves.
Where do we work in Wayne County?
In Wayne County, we work in Grosse Pointe Park, Grosse Pointe Woods, Grosse Pointe Farms and Grosse Pointe Shores. Our page on basement waterproofing in the Grosse Pointes compares their sewers, downspout rules and permits side by side.
- Grosse Pointe Park: why Park basements leak, what flooded them in 2021, the city’s rules before you dig, and how a hand dig fits a tight lot.
- Grosse Pointe Woods: why so many basements there take on water, what the city checks in your basement when you sell, and the local rules for a dig.
- Grosse Pointe Farms: why Farms basements leak, how to tell a sewer backup from seepage, and the city rules that affect an exterior dig.
- Grosse Pointe Shores (no local page yet): the city spans Wayne and Macomb counties, and its building permit application is titled “Application for Building, Roof & Waterproofing Permits & Plan Review.”
Do you work in Oakland County or other cities?
Sometimes. We also take jobs in parts of Oakland County and in some other Macomb and Wayne County communities. If your city isn’t listed here, call us and we’ll tell you whether we can take your job.
Why do local rules matter for your basement?
Sewers, downspout rules and permits change at the city line, and they change both what floods a basement and what fixing it involves. Grosse Pointe Woods, for example, runs on a combined sewer, where storm water and sewage share the same pipes, while Grosse Pointe Park said in July 2025 that it is close to 95% separated. And St. Clair Shores’ code bars connecting downspouts or footing drains to a house’s sewer lead, and requires downspouts to discharge at least 5 feet from the building.
One thing doesn’t change from city to city: water that comes up through a floor drain during a storm is usually a sewer backup, and exterior waterproofing doesn’t fix it. Here’s how to tell a sewer backup from seepage. Wherever you live, we pull the permits the job needs ourselves.
Service areas
Cities we serve, county by county
Choose your city for local details. We cover much of Macomb County and nearby areas.
Macomb County
2 cities-
St. Clair Shores
Macomb County
Half the city’s housing went up in the 1950s, on slow-draining clay. Clark, a family-owned company founded in…
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Warren
Macomb County
Most Warren homes went up between 1950 and 1979 on flat, slow-draining clay. Clark waterproofs them from the…
Wayne County
4 cities-
Grosse Pointe Farms
Wayne County
Most Farms houses went up before 1960, on soil that shifts from wet clay near Mack to sand…
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Grosse Pointe Park
Wayne County
Most Park homes predate 1940 and sit on wet lake-plain soil. Clark waterproofs them from the outside, by…
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Grosse Pointe Woods
Wayne County
Zone X on FEMA’s map, 264 flooded basements in 2021. Why Grosse Pointe Woods basements take on water,…
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The Grosse Pointes
Wayne County
Five cities, five sets of sewer, downspout and permit rules. How each Grosse Pointe’s differences change what floods…
Also serving
- Grosse Pointe Shores
- Harrison Township
- Clinton Township
Not sure if we cover your street? Give us a call
Common questions
Straight answers
Still wondering about something? Mark is happy to talk it through on the phone.
(313) 885-3915Where is Clark based?
In Mount Clemens, in Macomb County. Clark Basement Waterproofing is a family-owned company founded in 1956. Estimates and all of the work happen at your house, so what matters is whether we work in your city. This page lists the cities we serve.
Is the estimate free wherever I live?
Yes. Estimates are free, written and done at your house in every city we serve. Call us or request an estimate online, and we call back within a day.
Who pulls the permit in my city?
We do. We pull the permits the job needs ourselves, in every city we work in, and Clark is licensed and insured. What each city requires is different, and each city page covers the local rules.
Will exterior waterproofing stop my basement flooding in a big storm?
Not if the water comes up through a floor drain. That is usually a sewer backup, and exterior waterproofing doesn’t fix it. Exterior waterproofing is for water that seeps in through the walls, through cracks or where the wall meets the floor. Here’s how to tell which one you have.
Can you dig in a narrow side yard between two houses?
Yes. We dig by hand, so the crew can work in tight side yards where a backhoe won’t fit, and nothing heavy rolls across your yard or your neighbor’s. Hand-dug vs. machine excavation explains the trade-offs.
Get in touch
Request a free estimate
Seeing water, smelling mildew, or just worried about a crack? We’ll take a look and give you an honest opinion.
Tell us about your basement
We call back within a day.