Local ballot measure
Castle Pines Voter Approval for Annexations
On the November 3, 2026 ballot
City of Castle Pines ballot question 300
Who is asking
City of Castle Pines
On the ballot in
- Douglas County ballot: 300
The ballot question
Should the City of Castle Pines Home Rule Charter be amended to include the following provision: Property in excess of 20 acres owned or controlled by a single owner or ownership group or that are part of a common plan of development or related transactions may be annexed into the City only upon approval by the voters at an election of the registered electors of the City of Castle Pines, Colorado, and for purposes of this provision, any single, successive, cumulative, serial or simultaneous annexations of multiple parcels shall be aggregated and treated as a single annexation as provided in C.R.S. Section 31-12-104(1)(a)?
Where the question's words come from
What a vote does
- A yes vote means
- The charter would require city voter approval for annexations covered by the new rule.
- A no vote means
- The charter would not add this voter-approval requirement.
County ballots
Other local measures on the same ballot
- 1A, Douglas County: Douglas County Ballot Question 1A: countywide election of all commissioners on a five-member board
- 200, Douglas County: Douglas County Ballot Question 200: growing the Board of County Commissioners from three members to five
- 201, Douglas County: Douglas County Ballot Question 201: how a five-member Board of County Commissioners would be elected
- 301, City of Castle Pines: Castle Pines Voter Ratification of Annexations
- 3A, City of Aurora: Aurora sales tax for libraries, recreation centers and parks
- 3B, City of Aurora: Aurora public safety tax and bonds
- 3C, City of Aurora: Aurora sales tax for roads, bridges and traffic safety
- 3D, City of Aurora: Aurora city elections in even-numbered years
- 5A, Douglas County School District RE-1: Douglas County School District Mill Levy Override
- 6A, Larkspur Fire Protection District: Property Tax Increase for Larkspur Fire and Emergency Services
- 6B, Larkspur Fire Protection District: Borrowing for Larkspur Fire Vehicles, Training Grounds and Leases
- 6C, Stone Creek Metropolitan District: Stone Creek Unused Debt Repeal
- 6D, Stone Creek Metropolitan District: Repeal of Stone Creek's Contract Tax Authority
- 6E, Stone Creek Metropolitan District: Stone Creek Regional Improvement Tax Repeal
- 6F, Stone Creek Metropolitan District: Stone Creek Repeal of Agreement Authority for Joint Projects and Upkeep
- 6G, Stone Creek Metropolitan District: Ending Stone Creek's $82.8 Million Agreement Authority
- 7C, West Metro Fire Protection District: West Metro Fire sales tax
- 7D, Conifer Fire Protection District: Conifer Fire Property Tax Increase for Staffing and Equipment
- 7A, Front Range Passenger Rail District: A permanent 0.333% sales and use tax and up to $580 million in borrowing for Colorado Connector passenger rail
The guide opens October 12
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Key dates
- October 2 to October 9: county clerks mail ballots to active voters.
- October 12: drop boxes open.
- October 26: last suggested day to return a ballot by mail.
- From October 27: return your ballot to a drop box or vote center instead of mailing it.
- November 3, 2026, Election Day: ballots are due by 7:00 p.m.
Page updated September 29, 2026