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Portage · Kalamazoo County · Michigan

Septic in Portage, MI

For a Portage septic question, call the Kalamazoo County health department. The county offers a $270 evaluation for real estate transactions but does not say a sale requires one.

Residents
49,015
Homes built before 1980
53.8%
Median home value
$243,400

Census figures: ACS 2023 five-year estimates (B01003, B25034, B25077).

Written by the SepticMatch editorial teamLast reviewed Oct 19, 2026

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Kalamazoo County sets the septic rules

Septic permits, sale inspections and installer rules are set by the county health department, not by the city. Kalamazoo registers its septic installers and prices a sale-time evaluation at $270, but its pages do not say a sale requires one.

Who permits septic systems
Kalamazoo County Health and Community Services, Environmental Health Division, 311 E. Alcott St., Kalamazoo; 269-373-5210
Inspection at sale
No rule found in the county's published code
Permit steps
Permit first, then installation by a currently registered company or the owner. The private sewage permit includes four site visits.

See the Kalamazoo County septic rules

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