Moving to Castle Rock, Colorado
Castle Rock New Resident Checklist: The First 90 Days
The paperwork in the order the deadlines fall (license in 30 days, plates in 90), the accounts to open, and the local things that make it feel like home. Addresses and phone numbers from the agencies themselves.
By Connor Tien, DougCo Social · Updated September 2026
Moving is mostly boxes and then mostly forms. This is the forms half, done in the order Colorado wants it, with every office, hour and number pulled from the agency's own site on September 29, 2026. Screenshot it, or come back to it; the page is not going anywhere. The fun half (Challenge Hill, the farmers market, the first brewery) is at the end, because you earned it.
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Before You Move
The things that are easier from the old address.
Local tip: Grab the gate code, the trash day and the name of the HOA or metro district from the seller or landlord while you still have their attention. Those three questions save a month of guessing.
First Week: The State and County Paperwork
Colorado's deadlines start the day you establish residency.
The Colorado DMV counts you as a resident once you own or operate a business here, are employed here, or have lived here for 90 consecutive days. From then: transfer your driver license within 30 days, and register your vehicle within 90. The license is a state driver license office job, appointment required; the plates and title are a county motor vehicle office job, and in Castle Rock that office is downtown.
First Month: Accounts and Cards
The stuff that makes the town start working for you.
First 90 Days: Become a Local
The part I am actually qualified to advise on.
Helpful Contacts
Only the numbers we could confirm on the agency's own site.
FAQ
The Colorado DMV says to transfer your license within 30 days of establishing residency, and to register your vehicle within 90 days. You are a resident once you own or run a business here, work here, or have lived here 90 consecutive days. Driver license offices require an appointment; county motor vehicle offices handle plates and titles.
301 Wilcox Street, downtown, open Monday through Friday 8am to 4:30pm for walk-ins, with appointments available up to 28 days ahead; 303-660-7440. There are also county offices in Highlands Ranch (2223 Wildcat Reserve Parkway, Unit G1) and Lone Tree (9350 Heritage Hills Circle).
Douglas County is inside Colorado's nine-county emissions program area. AirCare Colorado says a vehicle brought in from another state or another part of Colorado must pass an emissions inspection before it can be registered in the new county, within 90 days of establishing residency. Gasoline vehicles six model years old or newer are exempt; the test is $35 every two years for 1982 and newer vehicles.
Online at GoVoteColorado.gov, or at any Colorado driver license office when you get your license. Colorado mails your ballot for each election to the mailing address on your registration. The Douglas County Elections office is at 125 Stephanie Place, Castle Rock, 303-660-7444, weekdays 8am to 5pm.
Water: Castle Rock Water, set up by your title company (buyers) or landlord (renters), customer service 303-660-1373. Electricity: CORE Electric Cooperative, (800) 332-9540. Natural gas: Black Hills Energy, online. Trash: a private hauler you choose; the Town names HBS Trash and Waste Management. Internet: Comcast (Xfinity) is the provider the Town lists.
Castle Rock Crew · free weekly email
I send the week's things to do in Castle Rock every Tuesday morning. No crime, no politics, no noise.
More Castle Rock Guides
Moving to Castle Rock
Cost of living from the Census, the sales tax, who your utilities are, the I-25 commute and what a year of weather feels like at 6,200 feet.
Castle Rock Neighborhoods
The Meadows, Crystal Valley, Terrain, Founders Village, Castlewood Ranch, Plum Creek and more: which side of I-25, what the metro district covers, what is nearby.
Castle Rock Schools
How Douglas County School District assigns a neighborhood school, how open enrollment works, and every public and charter school in town with its address.
Things to Do in Castle Rock
Challenge Hill, Rock Park, Lost Canyon Ranch, downtown, the breweries and coffee shops, and the events that fill the calendar every year.
Sources
Every deadline, office, hour and phone number on this page was read on the agency's own site on September 29, 2026. If an agency changes something, its page wins.
- Colorado DMV, Welcome to Colorado (new resident deadlines and documents): dmv.colorado.gov/new-to-colorado
- Colorado DMV, Required Documents: dmv.colorado.gov/documents
- Douglas County Motor Vehicle (offices, hours, appointments): douglasco.gov/motor-vehicle/
- AirCare Colorado, Need to Know (program area, new residents, exemptions, fees): aircarecolorado.com/need-know
- AirCare Colorado, FAQ (nine-county program area): aircarecolorado.com/need-know/faq
- Douglas County Elections, Voter Registration: douglasco.gov/elections/voter-registration/
- Douglas County, DougCoAlert: douglasco.gov/board-county-commissioners/board-priorities/public-safety/codered-be-informed-and-receive-updates
- Castle Rock Water, Customer Service: crgov.com/1695/Customer-Service
- Town of Castle Rock, Other Services (utility providers, trash, recycling): crgov.com/2572/Other-Services
- CORE Electric Cooperative, Start/Stop Service: core.coop/start-stop-service/
- Black Hills Energy: blackhillsenergy.com/
- DCSD, Student Enrollment: dcsdk12.org/admissions/student-enrollment
- Douglas County Libraries, Locations: dcl.org/locations/
- AdventHealth Castle Rock: adventhealth.com/locations/hospitals/castle-rock
- Town of Castle Rock, Recreation Center: crgov.com/2054/Recreation-Center
- USPS, Change of Address: usps.com/move
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