Thornton Phone Directory Lookup

The Thornton phone directory lists contact numbers for city offices, Adams County departments, and state agencies that serve the area. Thornton is the sixth-largest city in Colorado with a population of about 141,867. The city runs its own government offices at 9500 Civic Center Drive. For county-level services, Thornton residents call Adams County offices in Brighton. This directory puts all of those phone numbers in one place so you can find the right contact fast. The main Thornton city line is 303-538-7600, and Adams County can be reached at 303-659-2120.

Thornton City Government Phone Numbers

Thornton runs its own city government with departments that cover most day-to-day services. The main number is 303-538-7600. City hall sits at 9500 Civic Center Drive in Thornton. That is the hub for most city departments, and staff at the front desk can route your call to the right office if you are not sure who to ask for. The Thornton phone directory below breaks out each department so you can call them direct.

The city clerk handles records and public document requests for the City of Thornton. Building permits and code questions go through the Development Services department. Parks and recreation runs the city's trails, rec centers, and programs. Thornton also has its own water utility, which means billing and service questions go to the city rather than a separate company. Each of these offices has a phone line you can call during business hours.

Thornton police have a non-emergency line for reports and general questions. Call 911 only for active emergencies. For all other police matters in Thornton, use the non-emergency number. The city website at thorntonco.gov lists the full directory with every department phone contact, office hours, and staff names.

Adams County Services for Thornton

County-level services for Thornton are handled by Adams County. That includes things like property records, vital records, elections, and court matters. Adams County is based in Brighton at 4430 South Adams County Parkway. The main phone number is 303-659-2120, and the toll-free line is 800-824-7842. Thornton residents use these numbers for anything the city does not cover on its own.

The Adams County Clerk and Recorder is one of the most-called offices. The phone number is 720-523-6020. This office handles recorded documents, marriage licenses, and other public filings. If you need to look up a deed or a lien that affects a Thornton property, this is the office to call. The elections division at 720-523-6500 manages voter registration and ballot info for all of Adams County, including Thornton. During election season, that line gets heavy use, so call early.

The Adams County Sheriff at 303-288-1535 handles law enforcement in the parts of Adams County outside city limits. Thornton has its own police force, so the sheriff mainly serves unincorporated areas near the city. Still, some services like civil process and court orders go through the sheriff even for Thornton addresses. Visit the Adams County website or the Adams County contact page for the full list of department phone numbers.

Note: Adams County offices are in Brighton, not Thornton. Plan for a drive if you need to visit in person rather than call.

State Phone Numbers for Thornton Residents

Some services are run at the state level. Thornton residents use the same state phone numbers as everyone else in Colorado. The Secretary of State at 303-894-2200 handles business filings, notary records, and election oversight. The Colorado Secretary of State website has online tools for most of these tasks, but calling works fine if you have a quick question or need to check on a filing.

The Colorado Judicial Branch runs the court system. The main phone number is 720-625-5000. Thornton falls under the 17th Judicial District, which covers all of Adams County. If you have a court case, need to look up a hearing date, or want to check on a filing, the Colorado Judicial Branch website is the place to search. Phone staff can also help you find the right court division for your matter in Thornton.

The Colorado DMV at (303) 205-5600 covers driver licenses and vehicle titles statewide. The DMV website lets you renew online, but some tasks still need an office visit. Thornton residents can use the Adams County motor vehicle office on Federal Boulevard in Westminster at 303-426-8265. It is the closest location for plates, titles, and registration work.

For professional license checks, DORA at 303-894-7855 regulates licensed professionals across Colorado. The DORA license lookup tool lets you verify whether someone holds a current license. This works for doctors, contractors, real estate agents, and many other fields. DORA is a state office, so the phone and online tools apply to Thornton and every other city in Colorado.

Thornton Public Records by Phone

Colorado law gives people the right to request public records. C.R.S. Section 24-72-201 is the main statute. It says most government records are open for inspection. That applies to Thornton city records as well as Adams County and state files. You can make a records request by phone, by mail, or in person. Some offices also accept email requests.

For Thornton city records, call 303-538-7600 and ask for the city clerk or the department that holds the record you need. City records include meeting minutes, permits, contracts, and correspondence. The city has to respond to your request within a reasonable time. If the record is not public, they have to tell you why and cite the law that applies.

For Adams County records, the Clerk and Recorder at 720-523-6020 is the main contact. Property records, recorded documents, and vital records go through that office. Court records fall under C.R.S. Section 24-72-301 and CJD 05-01, which set rules for what court files are open to the public. The Colorado CORA page from the Secretary of State explains how open records requests work across the state. That page is a good starting point if you have never filed a request before.

Note: Some records have copy fees. Call the office first to ask about costs so there are no surprises when you pick up your documents.

Thornton DMV and Motor Vehicle Contacts

Thornton does not have its own DMV office. Vehicle titles, plates, and registration are handled by Adams County motor vehicle offices. The closest one for most Thornton residents is the Westminster location at 8452 Federal Boulevard. That phone number is 303-426-8265. There is also an office in Aurora at 3449 N. Chambers Road with a phone number of 303-363-3558. Both serve all of Adams County.

For driver license services, those go through the state. The Colorado DMV main number is (303) 205-5600. You can renew a license online through the Colorado DMV site, but new licenses and some renewals need an in-person visit. Thornton residents can use any state DMV office, though the ones in the north metro area tend to be the most convenient. Call ahead before you go to check wait times and what documents to bring.

Adams County Directory Online

The Adams County homepage is the main starting point for looking up county phone numbers and services that apply to Thornton.

From the county site, you can reach the full contact directory, building locations, and department pages. Adams County keeps these phone numbers current, so bookmarking this page is a good idea for Thornton residents who call the county often. The search bar on the homepage can also help you find a specific office or service by name.

Court Contact Info for Thornton

Thornton is in the 17th Judicial District. That district covers all of Adams County. The district court hears civil, criminal, family, and probate cases. County court handles smaller claims, traffic violations, and misdemeanors. Both courts operate out of Brighton. Under CJD 05-01, the Colorado court system sets rules for public access to court records. That affects what you can look up by phone or online for Thornton cases.

The Colorado Judicial Branch has an online case search tool on its website. You can look up cases by name or case number. For phone questions about a specific Thornton case, call the 17th Judicial District court clerk. They can give you hearing dates, case status, and instructions on getting copies of court papers. If you need to file something, the clerk can tell you the steps and fees involved. Adams County's main line at 303-659-2120 can also route you to the right court contact if you are not sure where to start.

Colorado State Phone Directory

The Colorado Secretary of State contact page lists state-level phone numbers and resources that Thornton residents can use for business filings, elections, and public records questions.

This state page covers the Secretary of State's main office at 303-894-2200, along with division-specific numbers for business services, elections, and licensing. Thornton residents who need to file a business, check on an LLC, or look up a notary can start here. The page also links to CORA resources for public records requests.

Adams County Phone Directory

Thornton is in Adams County. All county-level services, from the clerk and recorder to the sheriff and courts, run through Adams County offices in Brighton. For the full list of Adams County department phone numbers, office addresses, and hours, visit the Adams County phone directory page on this site.

View Adams County Phone Directory

Nearby Cities Phone Directories

Several large cities sit near Thornton in the north metro area. Each has its own city government, phone contacts, and local services. If you live near a city border, you may find it useful to check the directory for the neighboring city as well. All of these cities share Adams County or nearby county services for county-level matters.