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Basement Risk Index™ · Community Report

Basement Flood Risk in Rockwood, Michigan

Rockwood’s Basement Risk Index is 35/100 (ELEVATED). 27% of homes here were built before 1960 (U.S. Census ACS 2020-2024, updated Jul 2026), the biggest driver of basement-flooding risk in this region.

Water in your basement in Rockwood right now?

  1. Don’t enter standing water if the power is on. Cut it at the breaker only from a dry spot, or call an electrician.
  2. Photograph and video everything before you move or clean up anything, insurance and city claims both turn on this.
  3. Michigan law gives you about 45 days from discovery to file a written damage claim with your sewer authority. Start today.
  4. Once it is safe, call a licensed waterproofing contractor. Do not wait for it to dry on its own.
35BRI / 100
ELEVATED RISK
Ranked #63 of 116 metro Detroit communities

Data confidence: C, modeled from housing-age measures; no local flood records integrated yet. How the score is built →

Rockwood, Michigan carries a Basement Risk Index of 35 out of 100, ranking #63 of 116 communities across metro Detroit, which is below the metro Detroit average. The score is driven by housing age and soil: 27% of Rockwood 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.

Rockwood basement risk at a glance

Basement Risk Index35 / 100 (ELEVATED)
Metro rank#63 of 116
Homes built before 196027%
Peak building era1960s (24% of homes)
Median year built1970
Median home value$188,600
Median household income$88,080
Owner-occupied75%
Neighborhoods analyzed1

Rockwood'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 Rockwood was built

The housing stock in Rockwood peaked in the 1960s, when about 24% of today's homes were built. In total, 27% of Rockwood 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
0%
2000s
7%
1990s
16%
1980s
4%
1970s
22%
1960s
24%
1950s
15%
1940s
4%
Before 1940
8%

How basement risk varies inside Rockwood

We score 1 individual neighborhoods inside Rockwood. Of those, 0 fall in the high or very high band, 0 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.

0Very High
0High
0Elevated
1Moderate
0Lower

What this means for Rockwood homeowners

Rockwood sits above the lighter end of the scale. The averages hide block-to-block variation, so the most useful step is finding out where your specific home stands.

Why Rockwood homes face basement risk

Basement flooding in Rockwood 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. Rockwood sits on the Huron River near its mouth at Lake Erie, and low-lying ground near the water keeps the seasonal water table close to basement floors, so hydrostatic seepage can matter as much as sewer capacity here.

FEMA disaster assistance after June 2021

13 Rockwood households registered for FEMA disaster assistance after the June 2021 floods (DR-4607-MI), and FEMA approved 3 of those claims for a combined $4,346, according to FEMA's OpenFEMA Housing Assistance data (pulled and re-verified July 2026). That count is a floor, not a ceiling: it only includes households who applied to FEMA, not every home that took on water.

How Rockwood compares

Rockwood's Index of 35 is below the metro Detroit median of 37. It ranks #63 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. Compare your block on the metro map to see how your specific area compares within the community.
  2. Walk the basement after the next hard rain for dampness, white mineral lines, or a musty smell.
  3. Extend downspouts and check grading so water flows away from the foundation. More on keeping a basement dry.

Hiring in Rockwood?

We keep public-record profiles of metro Detroit basement waterproofing contractors, drawn from their own listings and Michigan licensing records. No ratings and no pay-to-play, just the record. Browse the contractor records →

See Rockwood on the full metro Detroit Basement Risk Index map →

Concerned about this score?

We connect Rockwood homeowners with one licensed, insured basement waterproofing contractor for a free, no-obligation assessment. Your information goes to one local pro, never to lead lists.

Request your free assessment →

See Rockwood on the interactive metro map →
Read the published methodology →
Browse all 116 communities ranked →

Nearby communities

Flat Rock · 25Gibraltar · 37Woodhaven · 16Brownstown Township · 8Trenton · 57

Homeowner guides

Does insurance cover basement flooding?What to do when your basement floodsWhat waterproofing costs in metro DetroitHow to choose a waterproofing contractorSump pump costs in MichiganBackwater valves: cost and who needs oneThe 2021 metro Detroit floodsWhat keeps a Michigan basement dry

Frequently asked questions

Is Rockwood at high risk for basement flooding?

Rockwood scores 35 out of 100 on the Basement Risk Index, ranking #63 of 116 metro Detroit communities (ELEVATED 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 Rockwood?

Sump pumps, exterior weeping tile, and backwater valves only became standard in the 1960s and 70s. 27% of Rockwood homes were built before 1960, with the largest share built in the 1960s. Many still rely on original clay drain tiles that fail over time.

Is a score of 35 bad?

A score of 35 is below the metro Detroit median of 37 (U.S. Census ACS 2020-2024 refresh, July 2026). Scores in this range reflect newer housing stock than most of the metro, though clay soil means the risk is never zero.

How does Rockwood compare to nearby communities?

Rockwood scores 35. The two closest communities in this dataset are Flat Rock (25) and Gibraltar (37). The full ranked comparison, with every community mapped, is on the interactive metro map.

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.