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Old Second National BankFinancial advisor in Darien, IL

Old Second National Bank is a financial advisor at 8001 S Cass Ave, Darien, IL 60561, ranked #6 of 932 financial advisors in Darien and rated 4.8 from 123 Google reviews. Open Monday and Tuesday and Thursday to Saturday.

Facts on this page come from public sources and the firm itself. They are not a recommendation and are not checked by any regulator. Check the firm’s registration and disciplinary history on Investor.gov or FINRA BrokerCheck (in Canada, the CSA National Registration Search) and read its Form CRS and Form ADV Part 2 brochure before you hire it.

Darien, ILUpdated 0 paid placements in any rankingHow we rank

Call (877) 866-0202Website ↗

Key facts

Key facts about Old Second National Bank
Address8001 S Cass Ave, Darien, IL 60561Get directions
Phone(877) 866-0202
Websiteoldsecond.com
HoursMonday and Tuesday: 9 AM – 5 PM; Thursday and Friday: 9 AM – 5 PM; Saturday: 9 AM – 1 PM
Google rating4.8 from 123 Google reviews

Specialties

Each specialty shows the evidence we matched it on.

Service area

Serves Darien and 11 towns within 25 miles: Burr Ridge, Westmont, Woodridge, Hinsdale, Lemont, Downers Grove, Bolingbrook, Western Springs, Lisle, La Grange and Justice.

Based in Darien, ILView on map

Opening hours

Opening hours for Old Second National Bank
DayHours
Monday9 AM – 5 PM
Tuesday9 AM – 5 PM
WednesdayClosed
Thursday9 AM – 5 PM
Friday9 AM – 5 PM
Saturday9 AM – 1 PM
SundayClosed
  • Open evenings — no
  • Open Saturdays
  • Open Sundays — no

Questions about Old Second National Bank

How is Old Second National Bank ranked in Darien?

Old Second National Bank is ranked #6 of 932 financial advisors in Darien by RFA Score, with 72 out of 100 as of November 2026. The score weighs reputation, registration, review volume, recency, specialty focus, proximity, claimed profile and partnered. No business can pay to change its rank.

What are Old Second National Bank’s hours?

Old Second National Bank is open Monday and Tuesday and Thursday to Saturday. Its listed hours are Monday and Tuesday, 9 AM – 5 PM; Thursday and Friday, 9 AM – 5 PM; Saturday, 9 AM – 1 PM. On Saturdays it is open 9 AM to 1 PM and closed on Sundays. Hours come from the business listing; holiday hours may differ.

What areas does Old Second National Bank serve?

Serves Darien and 11 towns within 25 miles: Burr Ridge, Westmont, Woodridge, Hinsdale, Lemont, Downers Grove, Bolingbrook, Western Springs, Lisle, La Grange and Justice. The list is based on the business's location and the usual service radius for financial advice. Confirm your address is covered when you call.

What do Google reviews say about Old Second National Bank?

Old Second National Bank has a rating of 4.8 from 123 Google reviews. The RFA Score adjusts the star rating for review count, so a high rating from a few reviews counts for less than the same rating from many.

How do I contact Old Second National Bank?

Call Old Second National Bank on (877) 866-0202. The business is at 8001 S Cass Ave, Darien, IL 60561. Its website is linked in the key facts on this page. Ask for the firm’s Form CRS and Form ADV Part 2 brochure before you sign anything.

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Compare nearby financial advisors

Old Second National Bank compared with nearby businesses
BusinessRankRFA ScoreGoogle ratingSaturdaySundayDistance away
Old Second National Bank (this business)—724.8 (123)YesNo
TreeLife Financial Solution Corp#4724.8 (476)YesNo11.3 mi
Michael Conroy and Associates#5725.0 (191)NoNo8.4 mi
Stenger Family Office | Naperville Financial Advisor#7725.0 (174)NoNo9.6 mi

See all 932 ranked financial advisors in Darien