Refinance lenders in Contra Costa County, California
Fat Boy Data analyzed mortgage refinance activity in Contra Costa County, California to show which lenders are making these loans, how often they approve, how often borrowers accept the offer, and how much they typically finance. 9,850 applications were decided by 348 lenders between 2023 and 2025.
Contra Costa County at a glance
How Contra Costa County compares
What the data shows
Bank of America, National Association made the most mortgage refinances in Contra Costa County, CA, 617 of them.
Cornerstone First Mortgage, Inc approved the highest share of applications among lenders with at least 20 decisions here, 100% of 33.
Each dot is one lender, placed at its approval rate. Hover for the name and sample size.
Refinance lenders in Contra Costa County
| Lender | Approval | Approved | Taken up | Typical loan | Loans made | |
|---|---|---|---|---|---|---|
| 1 | United Wholesale Mortgage, LLCBroker only | 85% | 901 / 1,065 | 97% | $675K | 871 |
| 2 | Bank of America, National Association | 72% | 628 / 868 | 98% | $405K | 617 |
| 3 | Rocket Mortgage, LLC | 75% | 540 / 716 | 96% | $665K | 519 |
| 4 | U.S. Bank National Association | 87% | 417 / 480 | 97% | $1.02M | 405 |
| 5 | Fremont Bank | 74% | 297 / 404 | 98% | $255K | 292 |
Ranked by lending volume. Approval is the share of decided applications a lender approved; taken up is the share of approvals the borrower accepted. Lenders with fewer than 20 decisions are marked as a limited sample and are never used for a “highest approval” claim. How these numbers are built.
Fat Boy found 343 more lenders.
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You are seeing the 5 largest mortgage refinance lenders in Contra Costa County. Unlock every lender who decided one of these loans here, what they approved, how much borrowers actually took, and how far the nearest office is.
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