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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.

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 metro Detroit communities, just below the metro median of 37. Rockwood is a comparatively young community, its housing peaking in the nineteen-sixties, after sump pumps and perimeter drains became common, which holds its Index down even on the region's clay soil. Among Rockwood and its five nearest neighbors it carries a middle-of-the-pack modeled risk; its housing is a roughly even mix of owners and renters and middle-income for the 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.

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

Rockwood's housing is spread across several decades, peaking in the nineteen-sixties at about 24% of today's homes; some of the stock, 27%, predates 1960. These are lower-value homes for the metro, and 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 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, and the pattern is skewed to the lower bands: 0 fall in the high or very high band, 0 are elevated, and 1 are moderate or lower. The number that matters is the one for your own block, not the city average.

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. Among its immediate neighbors, Rockwood scores higher than Flat Rock, so the block next door is a better guide than any metro-wide average.

Why Rockwood homes face basement risk

Basement risk in Rockwood comes down to two things: how old its houses are and the clay beneath them. With some of its homes, 27%, built before 1960 and the biggest share going up in the nineteen-sixties, many sit on original clay drain tile, and southeast Michigan's dense clay holds water against those 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.

How Rockwood compares

Rockwood's Index of 35 ranks #63 of 116 communities region-wide and sits below the metro Detroit median of 37. It runs lower than its nearby neighbor Gibraltar.

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 sewer backup 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 sewer backup?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

Where does Rockwood rank for basement-flood risk among nearby communities like Flat Rock and Gibraltar?

Rockwood scores 35 out of 100, ranking #63 of 116 metro Detroit communities (ELEVATED risk). Among its five nearest neighbors it carries a middle-of-the-pack risk: Flat Rock scores 25 and Gibraltar scores 37.

Are Rockwood's homes older than those in nearby Flat Rock and Gibraltar?

27% of Rockwood homes were built before 1960 (median year built 1970, with the largest share in the nineteen-sixties). In Flat Rock, 27% predate 1960 (median year built 1985). Older housing means more basements plumbed before sump pumps, weeping tile, and backwater valves were standard.

Does sitting on the Huron River near its mouth at Lake Erie add to Rockwood's basement risk beyond what Gibraltar faces?

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 here can matter as much as sewer capacity. The Index still scores Rockwood from housing data; the waterfront setting is a documented physical factor layered on top.