Jefferson County Library — a book growing into a branching tree Jefferson County Library Arnold • Cedar Hill • Northwest • Windsor
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Arnold • Cedar Hill • Northwest • Windsor

Hours & locations

All four public locations keep the same regular schedule, fine‑free every day. Central Services, the district’s administrative office in High Ridge, keeps standard weekday office hours and isn’t open for browsing or checkout. Visit any branch for library services.

Monday–Thursday 9:00am–8:00pm · Friday & Saturday 9:00am–5:00pm

Regular hours, public locations
Monday–Thursday 9:00am–8:00pm
Friday & Saturday 9:00am–5:00pm
Sunday Closed

The five locations

  • The Arnold Branch: tan stucco and brick with an arched entry, flag, and clock tower under an open sky
    Arnold Branch, Arnold
    Branch

    Arnold Branch

    Arnold, Missouri

    1701 Missouri State Rd., Arnold, MO 63010
    (636) 296-2204 Fax (636) 296-5975

    Branch Manager: Meredith McCarthy

    The district's largest branch, next to the Arnold Recreation Center and the Arnold campus of Jefferson College. Opened at Missouri State Road in May 2005.

    Visit the Arnold page

  • The Northwest Branch at State Road PP and Highway 30 in High Ridge, brick and stucco under summer trees
    Northwest Branch, High Ridge
    Branch

    Northwest Branch

    High Ridge, Missouri

    5680 State Road PP, High Ridge, MO 63049
    (636) 677-8186 Fax (636) 677-8243

    Branch Manager: Jennifer Mathes

    Serving High Ridge at State Road PP and Highway 30 since October 2005, in the town where the district began in a storefront in High Ridge Plaza.

    Visit the High Ridge page

  • The Windsor Branch on Metropolitan Boulevard in Barnhart, the district's first owned building
    Windsor Branch, Barnhart
    Branch

    Windsor Branch

    Barnhart, Missouri

    7479 Metropolitan Boulevard, Barnhart, MO 63012
    (636) 461-1914 Fax (636) 461-1915

    Branch Manager: Adam Tucker

    The district's first owned building, opened on Metropolitan Boulevard in June 1998 to serve Barnhart and the Fox–Windsor communities.

    Visit the Barnhart page

  • The Cedar Hill Satellite on Mall Drive, a compact storefront library among the trees of Cedar Hill
    Cedar Hill Satellite, Cedar Hill
    Satellite

    Cedar Hill Satellite

    Cedar Hill, Missouri

    6780 Mall Dr., Cedar Hill, MO 63016
    (636) 551-1020 Fax (636) 551-3075

    Librarian: Brenda

    A satellite library on Mall Drive bringing holds, returns, and programs to the Cedar Hill and Big River communities.

    Visit the Cedar Hill page

  • Administration

    Central Services

    High Ridge, Missouri

    5678 State Road PP, High Ridge, MO 63049
    (636) 677-8689 Fax (636) 677-1769

    Library Director: Cindy Hayes

    The district's administrative offices, next door to the Northwest Branch on State Road PP. Not a lending location: visit any branch for library services.

    Visit the High Ridge page

When we’re closed in 2026

All five locations, including Central Services, close on these dates.

  • Jan 1 New Year's Day
  • Jan 19 MLK Day
  • Feb 16 Presidents' Day
  • May 25 Memorial Day
  • Jun 19 Juneteenth
  • Jul 4 4th of July
  • Sep 7 Labor Day
  • Oct 12 Staff Development Day
  • Nov 11 Veterans' Day
  • Nov 26 Thanksgiving
  • Nov 27 Day After Thanksgiving
  • Dec 24 Christmas Eve
  • Dec 25 Christmas Day
  • Dec 26 Day after Christmas
  • Dec 31 New Year's Eve

Getting there

Every location sits along Highway 30 or a county road in northern Jefferson County. Pick a town for directions from wherever you’re starting.