Saint Clair County, Michigan
Use this county page to find the right government office or narrow down to a city or township. The service directory covers common county jobs; the local pages add property-tax context, school-district rate ranges, nearby places, and Porch Notes tied to each community.
County snapshot
Cities
8
Townships
23
School districts
13
Primary home (PRE) rates, for homes with Michigan's Principal Residence Exemption, range from 23.5254 mills to 46.6898 mills.
Other property, often called non-homestead, usually means rentals, vacation homes, and second homes. Those rates range from 41.5254 mills to 64.6898 mills.
Rate rows come from the official Michigan Treasury millage-rate reports . Data used: 2025 Michigan Treasury Total Property Tax Rates. Last reviewed July 12, 2026.
Use this carefully: Michigan Porch uses the statewide published rates as a planning aid. The local assessor or treasurer controls parcel-specific values, due dates, and special assessments.
County service directory
Find the office before you make the trip
Some questions stay with the city or township. Others move to the county, a health district, or a court. Start with the job you need done, then confirm hours, fees, and forms with the office.
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Marriage licenses, local vital records, and elections
Saint Clair County clerk
Start with the clerk for a marriage license, a county-filed birth or death record, election information, and other county records.
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Deeds, mortgages, and recorded land documents
Saint Clair County register of deeds
Use this office for recorded property documents. It does not decide ownership disputes or tell you whether a deed is legally sufficient.
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Delinquent real-property tax and foreclosure questions
Saint Clair County treasurer
Current bills usually begin with the city or township treasurer. After the local collection period, delinquent real-property tax moves to the county or the state foreclosing unit.
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Private wells, septic systems, and local health services
Local health department
Michigan has county and multi-county health departments. Use the state finder to see which department serves this county before applying or making an appointment.
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District, circuit, probate, or family-court business
Michigan trial courts serving this county
The court depends on the case type and sometimes the city or district. The judiciary directory lists court locations, websites, and contact information by county.
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Countywide assessment data and equalization
Saint Clair County equalization
Your local assessor and Board of Review handle an individual parcel first. County equalization studies values across local units and supports assessment administration.
County websites are checked against the State of Michigan county website directory . State and court finders are used where one office or district can serve more than one county. Directory reviewed July 12, 2026. Office roles were checked against Michigan Vital Records, Michigan Treasury taxpayer resources, and State Tax Commission guidance.
Local pages
Places in Saint Clair County
City
Algonac
1 school district available.
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City
Marine City
1 school district available.
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City
Marysville
2 school districts available.
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City
Memphis
1 school district available.
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City
Port Huron
1 school district available.
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City
Richmond
1 school district available.
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City
St. Clair
1 school district available.
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City
Yale
1 school district available.
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Township
Berlin Township
3 school districts available.
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Township
Brockway Township
2 school districts available.
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Township
Burtchville Township
2 school districts available.
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Township
Casco Township
3 school districts available.
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Township
China Township
1 school district available.
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Township
Clay Township
1 school district available.
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Township
Clyde Township
2 school districts available.
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Township
Columbus Township
4 school districts available.
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Township
Cottrellville Township
1 school district available.
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Township
East China Township
1 school district available.
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Township
Emmett Township
2 school districts available.
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Township
Fort Gratiot Township
1 school district available.
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Township
Grant Township
3 school districts available.
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Township
Greenwood Township
2 school districts available.
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Township
Ira Township
3 school districts available.
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Township
Kenockee Township
3 school districts available.
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Township
Kimball Township
3 school districts available.
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Township
Lynn Township
3 school districts available.
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Township
Mussey Township
1 school district available.
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Township
Port Huron Township
1 school district available.
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Township
Riley Township
4 school districts available.
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Township
Saint Clair Township
2 school districts available.
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Township
Wales Township
4 school districts available.
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Porch Notes
Local notes from Saint Clair County
Stories, practical notes, and local details tied to places in this county.
Saint Clair County · Money and taxes
Port Huron's City Income Tax and Its Cross-Border Commuters
Port Huron levies a local income tax that catches people who work in the city without living there, including some who commute over the Blue Water Bridge.
Read this note ->Saint Clair County · Outdoors
Algonac throws a party for a fish
Every summer the river town of Algonac fills its waterfront for the Lions Pickerel Tournament and Festival, an event built around the walleye the locals have always called pickerel.
Read this note ->Saint Clair County · History and culture
Catholic Point: the wedge of land a priest bought for $82.33
Where the Belle River meets the St. Clair at Marine City sits Catholic Point, a peninsula Father Gabriel Richard bought in 1824 on a grant signed by President John Quincy Adams.
Read this note ->Saint Clair County · Outdoors
Columbus County Park: 411 acres of 'up north' an hour from Detroit
Tucked into rural Columbus Township, this 411-acre county park gives the Belle River a mile and a half of frontage and laces rolling woods and prairie with trails for bikes, boots, and horses.
Read this note ->Saint Clair County · History and culture
Emmett, the Irish corner of St. Clair County
Famine-era Irish Catholics settled the farmland around Emmett, named their township for the patriot Robert Emmet, and built the parish that became Our Lady of Mount Carmel.
Read this note ->Saint Clair County · History and culture
How a Michigan farm town ended up named Yale
Yale started life as Brockway Centre on Mill Creek; in 1889 the town traded that name for the prestige of an Ivy League college it had no connection to whatsoever.
Read this note ->Next steps
What to check next in Saint Clair County
Start with a local page, then move into the Michigan rule or tool that matches the question in front of you.
- Tool Estimate a buyer tax bill Use the Michigan homebuyer tax calculator when you have a price, place, and school district. Open calculator ->
- Question Understand uncapping See why a buyer's first full-year tax bill can differ from the seller's old bill. Read the guide ->
- Places Search statewide Look up another city, township, village, county, or school district. Browse places ->
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