Assessor (Elected Office)
Address: 301 Wilcox Street, Castle Rock, CO 80104
Phone: 303.660.7450 | Fax: 303.479.9751
Board of County Commissioners (Elected Office)
Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7401 | Fax: 303.484.4344
Clerk and Recorder (Elected Office)
Divisions: Clerk to the Board | Elections | Motor Vehicle | Recording
Address: 301 Wilcox Street, Castle Rock, CO 80104
Phone: 303.660.7469 | Fax: 303. 814.2750
Community Development
Divisions: Community and Resource Services | Economic Development | Parks, Trails and Building Grounds | Planning | Zoning
Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7460 | Fax: 303.379.4198Parks, Trails and Building Grounds Division
Address: 9651 S. Quebec St., Littleton, CO 80130
Phone: 720.733.6990 | Fax: 303.470.0916
Coroner (Elected Office)
Address: 4000 Justice Way, Castle Rock, CO 80109
Phone: 303.814.7150 (answered round-the-clock by an investigator) | Fax: 877.274.7495
County Administration
Divisions: Board of Equalization | Office of Veterans Affairs
Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7401 | Fax: 303.484.4434
County Attorney
Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7414 | Fax: 303.688.6596
Facilities, Fleet & Emergency Support Services
Divisions: Colorado State University (CSU) Extension Office | Fairgrounds and Events Center
Address: 3026 North Industrial Way, Castle Rock, CO 80109
Phone: 303.663.7707 | Fax: 303.663.7718CSU Extension Office
Address: 410 Fairgrounds Road, Castle Rock, CO 80104
Phone: 720.733.6930 | Fax: 303.688.4862Fairgrounds and Events Center
Address: 500 Fairgrounds Drive, Castle Rock, CO 80104
Phone: 720.733.6900 | Fax: 720.733.6901
Finance
Divisions: Accounting | Budget | Purchasing
Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7430 | Fax: 303.479.9228
Human Resources
Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7427 | Fax: 877.288.0401
Human Services
Address: 4400 Castleton Court, Castle Rock, CO 80109
Phone: 303.688.4825 | Fax: 877.285.8988
Information Technology
Divisions: Administration | Application Development & Support | GIS | Operations| Program Management
Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7464
Open Space
Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7495 | Fax: 303.663.2064
Public Trustee (Appointed Office)
Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7417 | Fax: 303.814.3034
Public Works Engineering
Divisions: Building | Engineering | Stormwater | Traffic
Address: 100 Third Street, Castle Rock, CO 80104
Building Division Phone: 303.660.7497 | Fax: 303.479.7271
Engineering Division Phone: 303.660.7490 | Fax: 303.379.4198
Traffic Services Division Phone: 303.663.6237 | Fax: 303.484.6355
Stormwater Division Phone: 303.660.7490 | Fax: 303.379.4198
Public Works Operations
Address: 3030 North Industrial Way, Castle Rock, CO 80109
Phone: 303.660.7480 | Fax: 303.814.3319
Sheriff (Elected Office)
Address: 4000 Justice Way, Castle Rock, CO 80109
Phone: 303.660.7505 or toll free at 1.800.654.2733
Surveyor (Elected Office)
Address: 7006 S. Alton Way, Bldg. F, Centennial, CO 80112
Phone: 303.694.1520
Fax: 303.694.1617
Treasurer (Elected Office)
Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7455 | Fax: 303.942.3706