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What people paid for mortgages in St. Clair County, MI (2025)

Across 1,706 closed home-purchase loans in 2025, the median interest rate in St. Clair was 6.625%, and the middle half of borrowers got between 6.375% and 6.99%. Median total loan costs ran $4,938 on a median loan of $215,000. Source: federal HMDA filings on first-lien, owner-occupied loans.

Data: FFIEC HMDA modified LAR, 2024 and 2025 filings, loaded August 2026.

Home purchase

Median rate
6.625%
Middle half of rates
6.375%6.99%
Median total loan costs
$4,938
Median loan amount
$215,000

1,706 loans, 2025.

Refinance

Median rate
6.375%
Middle half of rates
5.99%6.9%
Median total loan costs
$5,628
Median loan amount
$195,000

954 loans, 2025.

Lowest median rates in St. Clair (2025)

The lenders whose own closed loans had the lowest median interest rate here, among lenders with enough local volume for the median to mean something. A low median is a reason to include that lender when you collect Loan Estimates; it is not a promise about the rate you will be quoted. An independent mortgage broker can pull quotes from several lenders at once on one application.

Home purchase

  1. 1.Michigan Schools and Governmen6%35 loans, median costs $2,693
  2. 2.Mortgage Research Center6.25%37 loans, median costs $4,137
  3. 3.Lake Michigan Credit Union6.365%35 loans, median costs $5,620
  4. 4.Mortgage Center LC6.375%52 loans, median costs $3,975
  5. 5.United Wholesale Mortgagebroker only6.6%135 loans, median costs $5,988

Among lenders with at least 30 closed purchase loans in St. Clair County in 2025.

Refinance

  1. 1.United Wholesale Mortgagebroker only5.998%116 loans, median costs $6,699
  2. 2.ROCKET MORTGAGE6.25%187 loans, median costs $6,355
  3. 3.Union Home Mortgage Corp.6.438%72 loans, median costs $5,427
  4. 4.Fifth Third Bank, National Association6.99%34 loans, median costs $2,391
  5. 5.Huntington National Bank7.285%38 loans, median costs $3,307

Among lenders with at least 30 closed refinance loans in St. Clair County in 2025.

Why you may not recognize these names

The largest lenders in most counties are not banks. Homebuilders such as D.R. Horton and Lennar own their own mortgage companies (DHI Mortgage, Lennar Mortgage), and because builders attach rate buydowns and closing-cost incentives to using them, the builder's lender often tops the table in counties with heavy new construction, with median rates that look low because the builder paid to lower them. Lenders marked broker only, such as United Wholesale Mortgage, take no applications from the public: federal HMDA reporting credits each loan to the lender that made the credit decision, so loans arranged by independent brokers appear here under the wholesale lender that funded them. Others, such as PennyMac and Freedom Mortgage, operate at national scale by buying loans from smaller lenders and refinancing the loans they service, heavily in FHA and VA lending. Who actually lends, and why the biggest names are not banks covers the full picture, with sources.

Lender by lender in St. Clair

Every lender that closed at least 5 qualifying loans in St. Clair County in 2025, sorted by loan count. The # column is the lender's rank here by closed loans for the selected purpose. Median origination is the lender's own charges (Loan Estimate section A); median points is the discount-points portion. Lenders marked "broker only" fund loans through independent mortgage brokers rather than taking applications directly.

#LenderLoansMedian rateMedian total costsMedian originationMedian points
1Union Home Mortgage Corp.2136.875%$6,191$2,916$1,615
2ROCKET MORTGAGE1546.625%$4,691$1,725$1,881
3United Wholesale Mortgagebroker only1356.6%$5,988$2,414$1,936
4Mortgage 1 Incorporated1066.625%$5,522$2,880$1,555
5EVERETT FINANCIAL, INC.906.625%$5,375$2,555$886
6MICHIGAN MUTUAL, INC716.875%$4,869$2,404$1,131
721ST MORTGAGE6710.13%n/an/an/a
8FIRST STATE BANK546.625%$3,953$1,161$549
9Mortgage Center LC526.375%$3,975$1,400$303
10Mortgage Research Center376.25%$4,137$0$1,028
11Huntington National Bank366.688%$4,002$1,395$652
12Michigan Schools and Governmen356%$2,693$637$428
13Lake Michigan Credit Union356.365%$5,620$1,390$1,010
14GUARANTEED RATE, INC.336.625%$7,393$2,792$2,921
15STAUNTON FINANCIAL, INC.316.625%$5,105$1,617$985
16TRIAD FINANCIAL SERVICES, INC.268.695%$3,310$2,400n/a
17JPMorgan Chase Bank, NA266.49%$3,095$737$1,402
18Ross Mortgage Corporation246.75%$5,068$2,660$1,122
19CROSSCOUNTRY MORTGAGE, LLC236.875%$5,671$2,925$3,094
20ChoiceOne Bank226.375%$3,365$1,008$950
21Legacy Mortgage176.75%$7,739$2,787$1,841
22Northstar Bank17n/an/an/an/a
23Bank of America NA175.75%$0$0$3,436
24Fifth Third Bank, National Association176.75%$3,856$1,295$1,678
25PLAZA HOME MORTGAGE, INCbroker only166.625%$5,654$1,636$845
26GENISYS CREDIT UNION166.875%$3,804$986$348
27Flagstar Bank NA166.625%$4,189$1,416$622
28UNIVERSITY BANK156.625%$3,973$1,475$1,079
29SUPERIOR NATIONAL BANK146.625%$4,842$1,195n/a
30ADVIA CREDIT UNION147%n/an/an/a
31Gold Star Mortgage Financial Group, Corporation126.75%$6,275$1,616$817
32GreenStone Farm Credit Services126.95%$10,965$6,945n/a
33Cornerstone First Mortgage96.75%$6,375$2,910$785
34The Loan Store, Incbroker only96.375%$5,831$1,149$6,654
35ZILLOW HOME LOANS, LLC86.125%$4,776$2,401$1,761
36DART BANK87.125%$6,163$2,388$1,320
37MORTGAGE300 CORPORATION86.562%$6,227$2,475$534
38NEWREZ LLC76.75%$5,862$695$1,703
39THE MORTGAGE LINK, INC.66.562%$10,777$1,370$1,318
40Mutual of Omaha Mortgage66.688%$4,651$1,795$2,241

What these numbers are, and are not

Everything above is computed from the FFIEC's HMDA Modified Loan/Application Register, the public loan-level file nearly every mortgage lender must submit each year, filtered to originated, first-lien, owner-occupied principal-residence loans that were not business-purpose or reverse mortgages. Groups smaller than 5 loans are omitted. The methodology page documents every step.

The public file contains no credit scores, so differences between lenders mix true pricing differences with different customer bases: loan sizes, points paid, and borrower profiles all vary by lender. A median is context for your own quote, not a ranking and not an offer. Rates here are also a year's worth of closings blended together, while your quote reflects a single day's market.

Have a Loan Estimate in hand? The checker compares your quoted rate and origination charges against the St. Clair figures above, in your browser, without storing anything.

Common questions

What mortgage rate did people get in St. Clair County in 2025?

The median interest rate on closed home-purchase loans in St. Clair County, Michigan in 2025 was 6.625%, across 1,706 first-lien, owner-occupied loans. The middle half of borrowers got between 6.375% and 6.99%.

Is this a rate I can get today?

No. These are medians of loans that already closed, under those borrowers' credit profiles, loan sizes, discount points, and lock dates. Rates also move daily. The way to learn your own number is to collect Loan Estimates from two or three lenders, which federal rules make close to free.

Why do lenders in the table show different rates?

Partly pricing, partly customer mix. Public HMDA data contains no credit scores, so a lender serving stronger-credit borrowers or larger loans will show a different median than one serving first-time buyers, at identical pricing. Use the table as a map of who is active locally and roughly where they land, not as a ranking.

Where do these numbers come from?

The FFIEC's public HMDA Modified Loan/Application Register, the loan-level data nearly every mortgage lender must file each year, filtered to originated, first-lien, owner-occupied, non-business, non-reverse loans, in groups of at least 5.