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Jefferson County LibraryArnold·Cedar Hill·Northwest·Windsor
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Today
Open now · Mon–Thu 9 AM–8 PM · Fri–Sat 9 AM–5 PM Fine free since 2021 All branches closed Wed, Nov 11 · Veterans' Day
About

Hours & Locations

Four locations: the Arnold, Northwest and Windsor branches and the Cedar Hill Satellite.

Open Mon–Sat

This week's hours

Branch
Mon
Tue
Wed
Thu
Fri
Sat
Sun
Arnold
9–8
9–8
9–8
9–8
9–5
9–5
Closed
Northwest
9–8
9–8
9–8
9–8
9–5
9–5
Closed
Windsor
9–8
9–8
9–8
9–8
9–5
9–5
Closed
Cedar Hill
12–8
9–8
9–8
12–8
9–5
9–5
Closed

Arnold Branch● 636-296-2204

  • Mon9–8
  • Tue9–8
  • Wed9–8
  • Thu9–8
  • Fri9–5
  • Sat9–5
  • SunClosed

Northwest Branch● 636-677-8186

  • Mon9–8
  • Tue9–8
  • Wed9–8
  • Thu9–8
  • Fri9–5
  • Sat9–5
  • SunClosed

Windsor Branch● 636-461-1914

  • Mon9–8
  • Tue9–8
  • Wed9–8
  • Thu9–8
  • Fri9–5
  • Sat9–5
  • SunClosed

Cedar Hill Satellite● 636-551-1020

  • Mon12–8
  • Tue9–8
  • Wed9–8
  • Thu12–8
  • Fri9–5
  • Sat9–5
  • SunClosed

Times in AM–PM. Cedar Hill hours effective October 1, 2026. Today is highlighted.

Our branches

Mon–Thu 9–8

Arnold Branch

1701 Missouri State Rd., Arnold, MO 63010
636-296-2204 · Fax 636-296-5975
Meeting roomLarge-format printing
Directions ↗Call
Mon–Thu 9–8

Northwest Branch

5680 State Road PP, High Ridge, MO 63049
636-677-8186 · Fax 636-677-8243
Genealogy RoomMeeting room
Directions ↗Call
Mon–Thu 9–8

Windsor Branch

7479 Metropolitan Blvd., Barnhart, MO 63012
636-461-1914 · Fax 636-461-1915
Meeting roomMotorized scooterBook to Movie Club
Directions ↗Call
Mon & Thu 12–8

Cedar Hill Satellite

6780 Mall Dr., Cedar Hill, MO 63016
636-551-1020 · Fax 636-551-3075
Satellite branchBook clubs
Directions ↗Call

Central ServicesAdministration

5678 State Road PP, High Ridge, MO 63049
636-677-8689 · Fax 636-677-1769 · info@jeffcolib.org

2026 holiday closures

  • Wed, Nov 11 · Veterans' Day
  • Thu, Nov 26 · Thanksgiving
  • Fri, Nov 27 · Day After Thanksgiving
  • Thu, Dec 24 · Christmas Eve
  • Fri, Dec 25 · Christmas Day
  • Sat, Dec 26 · Day After Christmas
  • Thu, Dec 31 · New Year's Eve

For federal holiday details, see the U.S. Office of Personnel Management ↗.

More in About

About overview →
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Questions? We're here to help.

Call any branch Monday–Saturday, or send us a message.

Hours & LocationsContact Us