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Basement Risk Index™ · Community Report

Basement Flood Risk in Macomb Township, Michigan

1BRI / 100
LOWER RISK
Ranked #116 of 116 metro Detroit communities

Macomb Township, Michigan carries a Basement Risk Index of 1 out of 100, ranking #116 of 116 communities across metro Detroit, which is below the metro Detroit average. The score is driven by housing age and soil: 4% of Macomb Township homes were built before 1960, the era before sump pumps, exterior weeping tile, and backwater valves were standard, and the region's heavy clay soil holds water against those older foundations.

Macomb Township basement risk at a glance

Basement Risk Index1 / 100 (LOWER)
Metro rank#116 of 116
Homes built before 19604%
Peak building era2000s (35% of homes)
Median year built1999
Median home value$337,900
Median household income$112,110
Owner-occupied92%
Neighborhoods analyzed18

Macomb Township's score is modeled from U.S. Census housing data; no municipal flood records are integrated yet. The Basement Risk Index is built from U.S. Census housing data and documented flood records. See our full methodology.

When Macomb Township was built

The housing stock in Macomb Township peaked in the 2000s, when about 35% of today's homes were built. In total, 4% of Macomb Township homes predate 1960. That matters because basements built before the 1960s typically lack the sump pumps, perimeter drain tile, and backwater valves that became standard later, leaving many on their original, aging clay drain tiles.

2020 or later
1%
2010s
12%
2000s
35%
1990s
30%
1980s
10%
1970s
7%
1960s
2%
1950s
3%
1940s
1%
Before 1940
1%

How basement risk varies inside Macomb Township

We score 18 individual neighborhoods inside Macomb Township. Of those, 0 fall in the high or severe band, 0 are elevated, and 18 are moderate or lower. Risk is rarely uniform across a city, so the most useful number is the one for your own block.

0Severe
0High
0Elevated
1Moderate
17Lower

What this means for Macomb Township homeowners

Macomb Township scores toward the lower end of the metro range, largely because of its newer housing. Risk is still real on clay soil, so watch for symptoms after heavy rain.

Why Macomb Township homes face basement risk

Basement flooding in Macomb Township is mostly a function of housing age and soil. Older homes were built with clay drain tiles that crack and clog over decades, and the dense clay across southeast Michigan holds water against foundations rather than letting it drain.

How Macomb Township compares

Macomb Township's Index of 1 is below the metro Detroit median of 36. It ranks #116 of 116 communities region-wide.

Does insurance cover it?

Often not. Standard Michigan homeowners policies commonly exclude sewer backup and groundwater unless you carry a specific endorsement. Before the next storm, it is worth reading our guide on whether insurance covers basement flooding in Michigan and checking your declarations page.

What to do about it

  1. Lower risk is not zero risk on the region's clay soil, a free prevention check takes about 30 minutes.
  2. Watch for symptoms after storms; what you see at your own home matters more than any average.
  3. Maintain gutters and grading, the two cheapest protections any Michigan home has.
See Macomb Township on the full metro Detroit Basement Risk Index map →

Explore the data behind this score

Basement Risk Check is a free, public homeowner resource built on public records. No signup, no login.

See Macomb Township on the interactive metro Detroit Basement Risk Index map →
Read the published methodology →
Browse all 116 communities ranked →

Nearby communities

Shelby Township · 9Ray Township · 39Clinton Township · 17Utica · 26Mount Clemens · 66

Homeowner guides

Does insurance cover basement flooding?What to do when your basement floodsThe 2021 metro Detroit floodsWhat keeps a Michigan basement dry

Frequently asked questions

Is Macomb Township at high risk for basement flooding?

Macomb Township scores 1 out of 100 on the Basement Risk Index, ranking #116 of 116 metro Detroit communities (LOWER risk). The score reflects how much of the local housing stock predates modern basement drainage, on the region's clay soil.

Why does housing age matter so much in Macomb Township?

Sump pumps, exterior weeping tile, and backwater valves only became standard in the 1960s and 70s. 4% of Macomb Township homes were built before 1960, with the largest share built in the 2000s. Many still rely on original clay drain tiles that fail over time.

Does homeowners insurance cover basement flooding?

Often not. Standard policies commonly exclude groundwater and sewer backup unless you carry a specific rider. See our Michigan insurance guide.

Is this resource free to use?

Yes. The Basement Risk Index and every community report are free and public, with no signup and no login.