Compare Bank & Credit Union Rates
Best credit card rates in San Mateo, CA
Compare ongoing purchase APRs on credit cards from banks and credit unions, with annual fees, conditions and original sources.
Top credit card rates
Showing 1–8 of 8 in San Mateo, CA · median 15.74% APR
- 10.25%APRas low as · up to 17.45%
10.25% APR, up to 17.45%
Terms
Variable APR as of 04/07/2026. Rate adjusts monthly and equals prime rate for previous month plus a margin range based on creditworthiness. Applies to Purchases. Amount $300 - $50,000. (Table row lists 02/26/2026 while rates header and footnote 1 state effective 04/07/2026).
Credit card score 81 · Carrot Score 82
Rate checked · Credit cards rates on its site
Rates and branches - 12.24%APRas low as · up to 18.00%
12.24% APR, up to 18.00%
Terms
Variable rates based on creditworthiness; rate can change monthly.
Credit card score 71 · Carrot Score 83
Rate checked · Credit cards rates on its site
Rates and branches - 13.50%APRas low as · up to 22.50%
13.50% APR, up to 22.50%
Terms
Thereafter, variable APR ranges from 13.50% to 22.50% based on a margin and creditworthiness, varying with the market based on the Prime Rate published in The Wall Street Journal. Accurate as of 10/07/2026.
Credit card score 65 · Carrot Score 63
Rate checked · Credit cards rates on its site
Rates and branches - 13.74%APRas low as · up to 22.74%
13.74% APR, up to 22.74%
Terms
Variable purchase APR based on creditworthiness.
Credit card score 65 · Carrot Score 66
Rate checked · Credit cards rates on its site
Rates and branches - 17.74%APRas low as · up to 28.49%
17.74% APR, up to 28.49%
Terms
17.74%, 24.24% or 28.49% variable APR thereafter.
Credit card score 60 · Carrot Score 64
Rate checked · Credit cards rates on its site
Rates and branches - 18.49%APRas low as · up to 27.49%
18.49% APR, up to 27.49%
Terms
Variable purchase APR based on creditworthiness.
Credit card score 60 · Carrot Score 66
Rate checked · Credit cards rates on its site
Rates and branches - 18.49%APRas low as · up to 27.99%
18.49% APR, up to 27.99%
Terms
Variable APR
Credit card score 60 · Carrot Score 60
Rate checked · Credit cards rates on its site
Rates and branches - 18.99%APRas low as · up to 26.99%
18.99% APR, up to 26.99%
Terms
Variable APR for purchases and balance transfers is 18.99% - 26.99% based on creditworthiness. $0 annual fee with active Costco membership.
Credit card score 60 · Carrot Score 89
Rate checked · Credit cards rates on its site
Rates and branches
Each institution’s lowest ongoing purchase APR on a regular card (not an introductory or balance transfer rate): usually its best-credit rate. A rate that needs another account or similar says “with conditions”; More filters can leave those, or cards with an annual fee, out. Secured, business and credit-builder cards are left out. Carrot Score rates each institution on all its CD, savings, auto loan and credit card rates. How we rank
What credit cards charge in San Mateo, CA
8 banks and credit unions · checked Oct 7–22
- Typical
- 15.74%
- Top 10% up to
- 11.64%
- Banks, typical
- 18.12%
- Credit unions, typical
- 11.24%
How does your bank’s rate compare?
Find your bank or credit union to see all its rates and how they compare near you.
San Francisco, CA metro
Top Carrot institutions
Ranked across their CDs, savings, auto loans and credit cards. How scores work
- 1st Nor Cal® Credit UnionCredit union · 5 branches
- American Airlines Federal Credit UnionCredit union · 1 branch
- CommunityAmerica Credit UnionCredit union · 4 branches