Service First Credit Union

Sioux Falls, South Dakota
Last verified: August 4, 2026
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Verified rate book

Current Service First Credit Union rates

24 published offers verified as of August 4, 2026.

How we verify rates

Auto & vehicle rates

3 offers
Service First Credit Union auto & vehicle rates as of August 4, 2026
ProductPublishedRateTerm / conditionStatus
Auto Loanauto4.150% APR4.150%Standard
84-Month Auto Loan (2025 and Newer)auto_any_84mo4.750% APR4.750%84 moStandard
72 Months (2021-2022 Only)auto_any_72mo5.950% APR5.950%72 moStandard

HELOC rates

2 offers
Service First Credit Union heloc rates as of August 4, 2026
ProductPublishedRateTerm / conditionStatus
HELOC (Variable)heloc_variable7.500% APR7.500%Standard
Interest Only (HELOC)heloc_variable8.500% APR8.500%Standard

Personal loan rates

1 offer
Service First Credit Union personal loan rates as of August 4, 2026
ProductPublishedRateTerm / conditionStatus
Unsecured Personal Loanpersonal_unsecured9.300% APR9.300%Standard

Savings & CD rates

18 offers
Service First Credit Union savings & cd rates as of August 4, 2026
ProductPublishedRateTerm / conditionStatus
$0 - $4,999.99savings0.05% APY0.05%Standard
Savingsshare_savings0.05% APY0.05%Standard
$5,000 - $19,999.99savings0.07% APY0.07%Standard
$20,000 Or Moresavings0.10% APY0.10%Standard
$999.99 And Undersavings0.25% APY0.25%Standard
$4,999.99 And Undersavings0.50% APY0.50%Standard
$5,000 - $9,999.99savings0.75% APY0.75%Standard
$10,000 - $24,999.99savings1.00% APY1.00%Standard
60-Month Certificateshare_certificate_60mo1.00% APY1.00%60 moStandard
48-Month Certificateshare_certificate_48mo1.00% APY1.00%48 moStandard
36-Month Certificateshare_certificate_36mo1.25% APY1.25%36 moStandard
$25,000 - $49,999.99savings1.25% APY1.25%Standard
24-Month Certificateshare_certificate_24mo1.50% APY1.50%24 moStandard
$50,000 - $99,999.99savings1.75% APY1.75%Standard
18-Month Certificateshare_certificate_18mo1.75% APY1.75%18 moStandard
$100,000 And Upsavings2.00% APY2.00%Standard
12-Month Certificateshare_certificate_12mo2.00% APY2.00%12 moStandard
6-Month Certificateshare_certificate_6mo3.00% APY3.00%6 moStandard

Auto loans available from 4.15% APR. HELOC rates from 7.5% APR. Personal loan rates from 9.3% APR. Savings and certificate yields up to 3.00% APY.

Source: RateAPI.dev, verified from Service First Credit Union's official website

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About Service First Credit Union

Institution facts reported to the National Credit Union Administration for Invalid Date.

Members
16.5K
Assets
$210.1M
Founded
1934
Locations reported
3
NCUA charter
77
Charter type
Federal credit union

Services and member support

  • Online membership application
  • Online loan application
  • Open an account online
  • Electronic statements
  • Mobile check deposit
  • Mobile payments
  • Financial counseling
  • Financial education
  • First-time homebuyer program
  • Bilingual services
  • Student scholarships

Source: NCUA quarterly call report. Services are institution-reported; confirm availability with the credit union.

Other credit unions with branches nearby

Compare membership, services, and rates from other institutions with an NCUA-reported branch nearby.

Nearest-first estimates use the center of your Census ZIP area and NCUA-reported branch locations. Distances are straight-line estimates, not driving distance.

Who Can Join Service First Credit Union

Membership eligibility from Service First Credit Union's own published criteria. How we verify this.

Community charter: live/work in Bon Homme, Brookings, Clark +38 more, SD, IA, MN +1 more

  • LocationBon Homme, Brookings, Clark, Clay, Codington, Deuel, Douglas, Grant, Hamlin, Hutchinson, Kingsbury, Lake, Lincoln, McCook, Miner, Minnehaha, Moody, Turner, Union, Yankton, Lyon, Plymouth, Sioux, Woodbury, Murray, Nobles, Pipestone, Rock, Antelope, Boone, Cedar, Dakota, Dixon, Holt, Knox, Madison, Pierce, Platte, Stanton, Wayne, Wheeler — SD, IA, MN, NE

Verified from Service First Credit Union's membership page. Final membership determination is always made by the credit union.

Work at Service First Credit Union?

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Frequently Asked Questions

What rates does Service First Credit Union offer?

Service First Credit Union currently offers Auto loan, HELOC, and personal loan rates. The rates shown on this page were last verified August 4, 2026 directly from the credit union's official website.

How often are Service First Credit Union rates updated?

RateAPI verifies Service First Credit Union's rates daily by scraping its official website, then normalizing the data. The figures on this page were last verified August 4, 2026.

Where does RateAPI get Service First Credit Union's rate data?

Rate data is collected directly from Service First Credit Union's official website. RateAPI has no pay-to-rank incentives; see the methodology page for how rates are collected and normalized.

What are Service First Credit Union's auto loan rates?

As of August 4, 2026, Service First Credit Union offers auto loans from 4.15% APR.

What is Service First Credit Union's HELOC rate?

As of August 4, 2026, Service First Credit Union offers home equity lines of credit from 7.5% APR.

What is Service First Credit Union's personal loan rate?

As of August 4, 2026, Service First Credit Union offers personal loans from 9.3% APR.

What is Service First Credit Union's best CD rate?

As of August 4, 2026, Service First Credit Union offers savings and certificate (CD) yields up to 3.00% APY.

Related Rate Data

Compare Service First Credit Union's rates against national credit-union benchmarks.

Source Information

Rate data is scraped directly from the credit union's official website and verified daily by our automated systems.

View Original Source

Methodology

Learn how we collect, normalize, and verify rate data with full transparency and no pay-to-rank incentives.

View Methodology

Track Service First Credit Union rates

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Use it via API

Access this data programmatically with our REST API

terminal
# Get rates for Service First Credit Union
curl "https://api.rateapi.dev/credit-unions/south-dakota/service-first" \
  -H "Authorization: Bearer YOUR_API_KEY"