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  1. Arapahoe County Colorado

    Welcome to Arapahoe County which has a rich, vibrant history and the distinction of being Colorado's first county. Arapahoe County spans 850 square miles and is a land of contrast. The western part of the county is mostly urban with residential, retail, office and industrial areas, while the eastern portion is relatively rural.
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Spotlight

  1. Arapahoe County, Colorado is the state's first county and the third largest with a total population of 631,096 and unincorporated population of 83,764. The County spans 805 square miles and is a land of contrast.
  1. PWW 2018 News

    Celebrate National Public Works Week

    What you see, is what we do. Read on...
  2. 4_Memorial Day

    Arapahoe County government offices closed May 28 for Memorial Day

    Arapahoe County government offices will be closed in observance of Memorial Day. May 28 is a time to honor, reflect and remember those who've made the ultimate sacrifice for our country. Our offices will reopen as normal May 29. Read on...
  3. ArapAlert

    Help us keep you safe in an emergency. Sign up to receive 911 notifications through ArapAlert

    On May 21, the Arapahoe County 911 Authority sent an email to subscribers of the County’s 911 alert system. If you received this email, we want to assure you that this is an official email from the 911 Authority. Please subscribe to ArapAlert today. Sign Up
  4. Contractor

    Building Division launches contractor licensing program

    Effective June 1, 2018 Read on...
  5. APWA Accreditation

    Public Works and Development becomes first County in Colorado to earn national accreditation

    Arapahoe County’s Public Works and Development Department is the first county and the eighth agency in Colorado to receive the prestigious American Public Works Association Accreditation designation. Read on...
  6. 17 Mile House

    17 Mile House Barn

    Iconic red barn at 17 Mile House to be preserved with History Colorado - State Historical Fund grant Read on...
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Stay Engaged

  1. Arapahoe County was named for the Arapaho Indians, who along with the Cheyenne Indians occupied most of Colorado when it was only a territory.
  1. County News
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  1. County News
  1. ArapAlert

    Help us keep you safe in an emergency. Sign up to receive 911 notifications through ArapAlert

    On May 21, the Arapahoe County 911 Authority sent an email to subscribers of the County’s 911 alert system. If you received this email, we want to assure you that this is an official email from the 911 Authority. Please subscribe to ArapAlert today. Sign Up
  2. 4_Memorial Day

    Arapahoe County government offices closed May 28 for Memorial Day

    Arapahoe County government offices will be closed in observance of Memorial Day. May 28 is a time to honor, reflect and remember those who've made the ultimate sacrifice for our country. Our offices will reopen as normal May 29. Read on...
  1. Subscribe Button

    E-News Connection: Sign up to receive the latest news from your County Commissioner

    Want to get the latest news from your Arapahoe County Commissioner? Subscribe to receive E-News Connection - a newsletter issued by your County Commissioner 4-6 times a year. Read on...
  2. APWA Accreditation

    Public Works and Development becomes first County in Colorado to earn national accreditation

    Arapahoe County’s Public Works and Development Department is the first county and the eighth agency in Colorado to receive the prestigious American Public Works Association Accreditation designation. Read on...
View All News
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  1. Calendar

May 2018

Sun Mon Tue Wed Thu Fri Sat
29 30 1 2 3 4 5
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13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31 1 2

  1. Mon May 28

    Memorial Day - Sheriff's Office Lobby Closed -- Our main lobby is closed today, but dispatchers and deputies are here to assist you 24 hours a day. Call 303-795-4711, or use 911 in an emergency.
    Read More

  2. Mon May 28

    Study Sessions Cancelled - County Observed Holiday
    Read More

  3. Tue May 29

    Public Meeting
    Read More

  1. Tue May 29

    Study Sessions
    Read More

  2. Thu May 31

    Coffee and Conversation with Commissioner Jeff Baker
    Read More

  3. Mon Jun. 4

    Study Sessions
    Read More
View All Calendars
/Calendar.aspx
  1. Agendas & Minutes

May 2018

Sun Mon Tue Wed Thu Fri Sat
29 30 1 2 3 4 5
6 7 8 9 10 11 12
13 14 15 16 17 18 19
20 21 22 23 24 25 26
27 28 29 30 31 1 2

  1. Mon May 28

    Study Sessions Cancelled - County Observed Holiday
    Read More

  2. Tue May 29

    Public Meeting
    Read More

  3. Tue May 29

    Study Sessions
    Read More

  1. Thu May 31

    Coffee and Conversation with Commissioner Jeff Baker
    Read More

  2. Mon Jun. 4

    Study Sessions
    Read More

  3. Tue Jun. 5

    Public Meeting
    Read More
View All Calendars
/Calendar.aspx
  1. Social Media
Tweets by ArapahoeCounty
  1. Get Involved
  1. Bike to Work Day

    Get Involved in Arapahoe County

    There are many ways citizens can get involved, from volunteering to serving on a citizen board or committees. Read on...
View All
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Contact

  1. Arapahoe County Government 

    Administration Building
    5334 S. Prince Street
    Littleton, CO 80120-1136
    Relay Colorado: 711

    Phone: 303-795-4400

    All County Offices

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