HomeCommunities › Clawson
Basement Risk Index™ · Community Report

Basement Flood Risk in Clawson, Michigan

62BRI / 100
HIGH RISK
Ranked #33 of 116 metro Detroit communities

Clawson, Michigan carries a Basement Risk Index of 62 out of 100, ranking #33 of 116 communities across metro Detroit, which is above the metro Detroit average. The score is driven by housing age and soil: 58% of Clawson 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.

Clawson basement risk at a glance

Basement Risk Index62 / 100 (HIGH)
Metro rank#33 of 116
Homes built before 196058%
Peak building era1950s (41% of homes)
Median year built1958
Median home value$237,000
Median household income$82,713
Owner-occupied74%
Neighborhoods analyzed4

Clawson'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 Clawson was built

The housing stock in Clawson peaked in the 1950s, when about 41% of today's homes were built. In total, 58% of Clawson 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
0%
2010s
1%
2000s
2%
1990s
6%
1980s
5%
1970s
12%
1960s
17%
1950s
41%
1940s
7%
Before 1940
10%

How basement risk varies inside Clawson

We score 4 individual neighborhoods inside Clawson. Of those, 2 fall in the high or severe band, 1 are elevated, and 1 are moderate or lower. Risk is rarely uniform across a city, so the most useful number is the one for your own block.

0Severe
2High
1Elevated
1Moderate
0Lower

What this means for Clawson homeowners

Clawson carries high structural exposure. Many homes here are strong candidates for a sump pump check, a backwater valve, and improved drainage before the next big storm.

Why Clawson homes face basement risk

Basement flooding in Clawson 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. Communities in Clawson's risk band were among those hit hardest when the June 2021 storms put tens of thousands of metro Detroit basements underwater and triggered a federal disaster declaration.

How Clawson compares

Clawson's Index of 62 is above the metro Detroit median of 36. It ranks #33 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. Take preventative steps before the next heavy rain. Homes in this band have the highest documented exposure in the metro.
  2. Test your sump pump and add a battery backup, power fails in the same storms that flood. See what actually keeps a basement dry.
  3. Check for a backwater valve if your home predates the 1970s; sewer backup is the costliest version of basement flooding.
  4. Extend downspouts at least six feet from the foundation and keep gutters clear.
See Clawson 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 Clawson on the interactive metro Detroit Basement Risk Index map →
Read the published methodology →
Browse all 116 communities ranked →

Nearby communities

Royal Oak · 64Troy · 18Madison Heights · 55Berkley · 82Birmingham · 57

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 Clawson at high risk for basement flooding?

Clawson scores 62 out of 100 on the Basement Risk Index, ranking #33 of 116 metro Detroit communities (HIGH 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 Clawson?

Sump pumps, exterior weeping tile, and backwater valves only became standard in the 1960s and 70s. 58% of Clawson homes were built before 1960, with the largest share built in the 1950s. 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.