Community Planning and Permitting Intergovernmental Agreements (IGAs)

Community Planning and Permitting Intergovernmental Agreements (IGAs)

The county’s longstanding history of cooperative land use planning with other local governments is central to the compact development pattern and open space preservation that make Boulder County what it is today. State law (Colorado Constitution Article XIV, § 18(2), CRS 29-1-201 through 29-20-107) authorizes local governments to enter into agreements for land use planning. Boulder County was at the forefront of applying this approach, adopting the original Boulder County Comprehensive Plan in 1978. Through comprehensive plans and intergovernmental agreements (IGAs) the county works with local municipalities to develop a long term shared land use vision that identifies areas appropriate for development and those prioritized for preservation. These efforts:

  • Provide clarity for land use planning-related decision making.
  • Help to maintain compact communities with defined edges and buffers between them.
  • Maximize potential for open space preservation and maintaining the predominantly rural character of unincorporated areas.

A comprehensive plan is a guidance document that lays out policies and a map of the intended development pattern. IGAs are legally binding agreements that specify the core concepts of the arrangement between the municipality and the county. IGAs typically have terms in the range of 20 years and include a map showing the areas agreed upon for potential expansion or annexation, and those identified for preservation.

This website presents information about land use IGAs with local governments. However, the county has a variety of other types of IGAs with other governments (e.g., regarding shared public services, etc.).

Additional key facts about the county’s land use IGAs:

  • Boulder County has cooperatively developed intergovernmental agreements with nearly all municipalities in the county.
  • Land use IGAs often focus on the broad land development pattern, but can also address more specific purposes such as planning along a specific transportation corridor, or planning for a specific parcel or group of parcels.
  • IGAs can be between the county and a specific municipality, or between a group of municipalities, as is the case with the Super IGA or the Northwest Parkway IGA.

Active Comprehensive Development Plan Intergovernmental Agreements

IGAParties to agreement with Boulder CountyIn Effect?Adoption Date?Expiration Date?MapNotes or links to Comprehensive Plan
Boulder Valley Comprehensive Plan (2015)City of BoulderY9/26/201712/31/2037-Boulder Valley Comprehensive Plan
Broomfield IGACity of Broomfield, County of BroomfieldY 10/20/1998N/A--
Jamestown VicinityJamestownY1/1/1981N/A-2017 Jamestown Comprehensive Plan
Lafayette/Louisville Buffer (2014)City of Lafayette, City of LouisvilleY7/23/20147/9/2036--
Longmont Planning Area Comprehensive Development Plan (with maps)City of LongmontY4/22/20244/22/2044-Includes terms for automatic extension
Lyons CEMEX (2012)Town of LyonsY
5/11/201212/31/2034Lyons CEMEX Map-
Lyons Planning Area (2012)Town of LyonsY5/14/200911/28/2025Lyons Planning Area Map-
Nederland Area Town Shop AmendmentTown of NederlandY5/12/2009N/A-Nederland Area Town Shop Amendment Purchase Agreement
Northwest ParkwayLouisville, Lafayette, BroomfieldY2/18/19992/18/2029IGA Map of Southeast Boulder County, 1999-
Northwest Parkway 1st Amendment Louisville, Lafayette, BroomfieldY2/6/20012/18/2029--
Northwest Parkway 9557 Paradise Lane AmendmentLouisville, Lafayette, BroomfieldY3/15/20162/18/2029--
Northwest Parkway Campus Drive AmendmentLouisville, Lafayette, BroomfieldY7/13/20102/18/2029--
Northwest Parkway Fire Station AmendmentLouisville, Lafayette, BroomfieldY12/9/20082/18/2029--
Northwest Parkway Hoyle AmendmentLouisville, Lafayette, BroomfieldY9/4/20072/18/2029--
Superior 2nd AmendmentSuperiorSee note3/13/20003/13/2003-* Paragraphs 3,4,6 survive
U.S. 36 1st Amendment (Avista Hospital)City of Boulder, Louisville, SuperiorY4/19/20026/20/2030--
U.S. 36 Corridor CDPCity of Boulder, Louisville, SuperiorY6/20/20006/20/2030US 36 Corridor IGA Map-
U.S. 36 Louisville Water AmendmentCity of Boulder, Louisville, SuperiorY4/12/20076/20/2030-Related to SI-06-001
U.S. 36 Willow Ranch TDR AmendmentCity of Boulder, Louisville, SuperiorY10/16/20036/20/2030--

Inactive Comprehensive Development Plan Intergovernmental Agreements

IGAParties to agreement with Boulder CountyIn Effect?Adoption DateExpiration DateMapNotes
Boulder Valley Comprehensive Plan (1978)City of BoulderN5/21/1978--superseded by 2017 BVCP
Boulder Valley Comprehensive Plan (1990)City of BoulderN12/13/1990--superseded by 2017 BVCP
Boulder Valley Comprehensive Plan (2002)City of BoulderN7/15/200212/31/2017-superseded by 2017 BVCP
Boulder Valley Transfer of Development RightsCity of BoulderN5/8/1995-TDR Plan Areasuperseded by Successor TDR IGA
Boulder Valley Transfer of Development Rights 1st AmendmentCity of BoulderN12/18/1997--superseded by Successor TDR IGA
Boulder Valley Transfer of Development Rights SuccessorCity of BoulderN6/22/20006/22/2010TDR Successor MapExpired
Countywide Coordinated (Super IGA)City of Boulder, Jamestown, Louisville, Lyons, NederlandY10/16/200310/16/2023IGA Super IGA MapExpired
Countywide Coordinated Erie Exit LetterTown of ErieN/A-NA--
Countywide Coordinated Lafayette Exit LetterCity of LafayetteN/A-NA--
East Central Boulder CountyErie, LafayetteN12/21/199412/21/2014IGA East Central Boulder County MapExpired
East Central Boulder County Amendment Futhey/CMN Enterprises, Inc.Erie, LafayetteN1/26/199812/21/2014-Expired
East Central Boulder County Amendment Isabelle Ranch TDR/PUDErie, LafayetteN10/12/200410/12/2007-Expired
East Central Boulder County Amendment Kenosha FarmsErie, LafayetteN12/19/199612/21/2014-Expired
East Central Boulder County Amendment Lafayette/ Goosehaven Water PlantErie, LafayetteN8/31/200412/21/2014-Expired
East Central Boulder County Amendment Leyner PropertyErie, LafayetteN2/17/199712/21/2014-Expired
Erie Schmidt TrailErieN9/23/20083/23/2008-Expired but terms have been met
Frederick Boulder Creek Planning Area IGAFrederickN7/22/20087/22/2018-Not valid as it was contingent on an IGA with Erie
Gunbarrel Retail CoreCity of BoulderY5/17/20065/18/2021--
Lafayette Transfer of Development Rights IGALafayetteN11/21/199511/21/2005-Expired
Lafayette Utilities IGALafayetteN9/16/2003see note-Expired with Lafayette’s exit of the Super IGA
Lafayette/Louisville Buffer (1996)Lafayette, Louisville, City of BoulderN7/9/19967/9/2016Lafayette Louisville Buffer IGA Mapsuperseded by 2014 Agreement
Lafayette/Louisville Buffer 1st AmendmentLafayette, Louisville, City of BoulderN2/18/19977/9/2016-superseded by 2014 Agreement
Lafayette/Louisville Buffer 2nd AmendmentLafayette, Louisville, City of BoulderN7/5/19997/9/2016-superseded by 2014 Agreement
Longmont Planning Area (1988)LongmontN7/13/1988--superseded by 3rd Amendment
Longmont Planning Area (1997)LongmontN6/19/19976/19/2007Longmont Planning Area IGA MapSuperseded by 3rd Amendment
Longmont Planning Area 1st AmendmentLongmontN6/19/19976/19/2007Longmont Planning Area IGA MapResolution 98-144; superseded by 3rd amendment
Longmont Planning Area 2nd Amendment (Open Space Acquisition)LongmontN8/29/2000--Resolution 2000-132; superseded by 3rd amendment
Longmont Planning Area 3rd AmendmentCity of LongmontY8/12/20038/12/2023Longmont Planning Area IGA Map-
Longmont Planning Area Term ExtensionLongmontY10/18/201110/16/2023Longmont Planning Area IGA MapExpired; Amendment to 3rd amended LPA IGA
Longmont Transfer of Development RightsLongmontN2/5/19962/5/2006Longmont TDR MapExpired
Longmont Transfer of Development Rights 1st AmendmentLongmontN2/5/19962/5/2006-Expired
Longmont Transfer of Development Rights 2nd AmendmentLongmontN2/5/19965/31/2016Longmont TDR 2nd Amendment MapExpired
Lyons Planning Area (2002)LyonsN12/20/20025/15/2012Lyons Planning IGA Mapsuperseded by 2012 Lyons CDA
Lyons Planning Area 1st Amendment (Stone Mountain)LyonsN2/7/20055/15/2012-superseded by 2012 Lyons CDA
Lyons Planning Area 2nd AmendmentLyonsN6/6/20115/15/2012-superseded by 2012 Lyons CDA
Nederland AreaTown of NederlandY3/7/20023/7/2022Nederland IGA Map-
Southeast Boulder County CDPBroomfield, LafayetteN1/16/19971/16/2017Southeast Boulder IGA MapExpired; Exhibit A, Exhibit B, Exhibit C
Superior (1997)SuperiorN5/8/19975/8/2017Superior IGA MapExpired
Superior 1st AmendmentSuperiorN--Superior 1st Amendment IGA Map-

Other Intergovernmental Agreements

IGAParties to agreement with Boulder CountyIn Effect?Adoption DateExpiration DateMapNotes
City of Boulder Gapter RoadCity of BoulderY10/1/2010---
City of Boulder Jointly Owned Open Space ManagementCity of BoulderY10/18/2005---
Highway 42 Revitalization Area (TIF/Urban Tax)Louisville Revitalization Commission, LouisvilleY4/12/20074/12/2032--
Jamestown Building Services and Inspections (1997)JamestownY12/29/199712/29/2000-Jamestown Ordinances adopting Building Code elements
Left Hand Water DistrictLeft Hand Water DistrictY8/21/20128/21/2027--
Mud LakeTown of NederlandY12/17/1999---
Mud Lake 1st AmendmentTown of NederlandY7/24/2001---
Mud Lake 2nd AmendmentTown of NederlandY12/1/2002---
Mud Lake 3rd AmendmentTown of NederlandY7/6/2004---
Mud Lake 4th AmendmentTown of NederlandY12/1/2005---
Mud Lake 5th AmendmentTown of NederlandY11/10/2009---
Mud Lake Mutual Aid (Law Enforcement)Town of NederlandY7/6/2004---
Nederland Building Permit and Inspection Services (1996)NederlandN5/14/1996--Nederland Termination Letter for Building Inspection Services
Nederland Historic PreservationNederlandY8/20/1996NA-County provides historic landmarking
Ridge Road Division of Land and ConservationTown of NederlandY8/20/2002---
Ridge Road Purchase Agreement and Division of LandTown of NederlandY11/10/2009---
South Boulder Road Open SpaceLouisville, LafayetteY4/29/1993---
South Boulder Road Open Space 1st AmendmentLouisville, LafayetteY5/20/2014---
Superior Cemetery Historic PreservationSuperiorY12/16/2002NA-County provides historic landmarking
Ward Historic Landmark DesignationWardY10/15/1994NA-County provides historic landmarking

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