Massachusetts · NCUA branch file, Q2 2026
Credit unions in Marlborough, MA
4 credit unions have 11 offices in Marlborough, Massachusetts, according to the branch information they filed with NCUA for the quarter ended June 30, 2026. St. Mary's Credit Union has the most here (5); the largest by assets is First Technology Federal Credit Union at $27.9 billion.
| Credit union | Offices here | Assets | Net worth ratio | New auto rate | Based in |
|---|---|---|---|---|---|
| St. Mary's Credit Union | 5 | $1.0B | 11.69% | 5.99% | Marlborough, MA |
| First Technology Federal Credit Union | 3 | $27.9B | 10.75% | 7.25% | San Jose, CA |
| Brightbridge Credit Union | 2 | $2.4B | 10.56% | 5.49% | Lawrence, MA |
| Baxter Credit Union | 1 | $6.4B | 10.25% | 3.99% | Vernon Hills, IL |
Rates are what each credit union reported to NCUA for new auto loans, not offers. All Massachusetts credit union loan rates.
Addresses, phone numbers and hours
St. Mary's Credit Union
- St. Mary's Credit Union/Loan Center 46 Lizotte Dr, Marlborough, MA 01752 Main office
- St. Mary's Credit Union 1 Northboro Rd E, Marlborough, MA 01752 Drive-through · ATM
- St. Mary's Credit Union 133 W Main St, Marlborough, MA 01752 Drive-through · ATM
- St. Mary's Credit Union 133 W Main St, Marlborough, MA 01752 Drive-through · ATM
- St. Mary's Credit Union 133 S Bolton St, Marlborough, MA 01752 Drive-through · ATM
First Technology Federal Credit Union
- Marlborough East 279 Main St, Marlborough, MA 01752 ATM
- Marlborough Solomon Pond 865 Donald Lynch Blvd, Marlborough, MA 01752 ATM
- Operations Center 853 Donald Lynch Blvd, Marlborough, MA 01752 ATM
Brightbridge Credit Union
- Marlborough 451 Boston Post Rd E, Marlborough, MA 01752 ATM
- Raytheon Technologies - IDS SAS 1001 Boston Post Rd, Marlborough, MA 01752
Baxter Credit Union
- Marlborough 100 Boston Scientific Way, Marlborough, MA 01752 ATM
Addresses, phones and hours are as each credit union filed them with NCUA; confirm before you visit. Not affiliated with NCUA or any credit union.
Other cities in Massachusetts
- Worcester 13
- Boston 14
- Fall River 8
- New Bedford 7
- Springfield 6
- Cambridge 8
- Lowell 7
- Lynn 8
- Somerville 7
- Taunton 7
- Brockton 4
- Dorchester 7
- Peabody 5
- Framingham 5
- Methuen 5
- Fitchburg 5
Every Massachusetts city · All Massachusetts credit unions
Questions people ask
How many credit unions are in Marlborough, MA?
NCUA's branch file for Q2 2026 lists 11 credit union offices in Marlborough, run by 4 credit unions, 1 of them headquartered in the city.
Which credit union has the most branches in Marlborough?
St. Mary's Credit Union, with 5 offices in Marlborough. The largest credit union with an office here is First Technology Federal Credit Union, with $27.9 billion in assets.
Can I join a credit union in Marlborough?
Each credit union serves a defined field of membership, often people who live or work in an area, employees of certain companies, or members of an association. Check the credit union's own eligibility rules. Some credit unions are open to anyone in the US through an association or a small donation.