Departments / Divisions

Assessor (Elected Office)

The Assessor is responsible for valuing all real and personal property for property tax purposes. The Assessor’s Office website contains general information about the property appraisal process as well as a searchable property database.

Address: 301 Wilcox Street, Castle Rock, CO 80104
Phone: 303.660.7450 | Fax: 303.479.9751

Board of County Commissioners (Elected Office)

The three-member Board of County Commissioners works to represent the interests of the citizens of Douglas County at local, state, and national levels. Commissioners are elected at large from one of three geographic districts for four-year staggered terms.

Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7401 | Fax: 303.484.4344

Clerk and Recorder (Elected Office)

The Clerk and Recorder is the Chief Election Official of the County, serves as an agent of the State for motor vehicle titling and licensing, is the ex-officio recorder of property and other legal documents for the County, issues marriage licenses and certificates, and serves as the Clerk to the Board of County Commissioners.
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

Through its divisions, the department oversees zoning, land use and planning, and community parks and trails, site development review, parks and trails management and economic development.
Divisions:  Community Resources Services | Economic Development | Parks, Trails and Building Grounds | Planning | Zoning

Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7460 | Fax: 303.379.4198

Parks, Trails and Building Grounds Division
Address: 9651 S. Quebec St., Littleton, CO 80130
Phone: 720.733.6990 | Fax: 303.470.0916

Colorado State University (CSU) Extension Office

The CSU Extension Office in Douglas County provides research-based information and education to the public in response to local, state and national issues affecting individuals, youth, families, agricultural enterprises, and communities of Colorado. Information available includes a broad spectrum of topics such as parenting, weed management, soil testing, water resources, gardening, the Master Gardener Program, nutrition, cooking entomology, small acreage, after-school programming, and 4-H youth clubs. The Extension Office has nine employees who work in the 4-H Youth Development Program, Agriculture and Natural Resources, Family and Consumer Sciences, and Horticulture.
 4-H Program | Agriculture | Family & Consumer Science | Horticulture

Address: 410 Fairgrounds Road, Castle Rock, CO 80104
Phone: 720.733.6930 | Fax: 303.688.4862

Coroner (Elected Office)

The County Coroner, through a medicolegal discipline, investigates and establishes the cause of death.

Address: 4000 Justice Way, Castle Rock, CO 80109
Phone: 303.814.7150 (answered round-the-clock by an investigator) | Fax: 877.274.7495

County Manager

The County Manager is responsible for implementing policies set by the Board of County Commissioners, recommending improved management practices, and directing county operating divisions.
Divisions: Board of Equalization | Community Justice Services | Developmental Disabilities | Liquor Licenses | Philip S. Miller Grants | Office of Veterans Affairs

Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7401| Fax: 303.484.4434

County Attorney

The County Attorney’s office provides legal advice and representation for the Board of County Commissioners.

Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7414 | Fax: 303.688.6596

Emergency Management

In cooperation with numerous local, state and federal agencies, DC Emergency Management seeks to prevents disasters whenever possible and minimize losses through coordination, planning, public awareness information and education.

Address: 4000 Justice Way, Castle Rock, CO 80109
Phone: 303.660.7589 | Fax: 303.814.8790

Facilities, Fleet & Emergency Support Services

Provides for the management, maintenance and construction of County-owned facilities to include the Douglas County Fairgrounds and Events Center, and the County’s motor fleet.

Address: 3026 North Industrial Way, Castle Rock, CO 80109
Phone: 303.663.7707 | Fax: 303.663.7718

Fairgrounds and Events Center

Address: 500 Fairgrounds Drive, Castle Rock, CO 80104
Phone: 720.733.6900 | Fax: 720.733.6901


The Finance Department provides accounting, budget, payroll, purchasing and sales tax support to all county departments.
Divisions: Accounting | Budget | Purchasing

Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7430 | Fax: 303.660.9661

Human Resources

Human Resources supports all Douglas County departments by providing a wide range of services – including recruitment and selection, compensation, benefit administration, training, and employee relations.

Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7427 | Fax: 877.288.0401

Human Services

Human Services provides child and adult protection, temporary financial assistance, child care assistance and other supportive services for qualified residents. Human Services determines eligibility for services, administers programs, and provides statutorily authorized services to specified children and families.

Address: 4400 Castleton Court, Castle Rock, CO 80109
Phone: 303.688.4825 | Fax: 303.688.0292

Information Technology

Information Technology is responsible for county data and voice systems. Staff researches, evaluates, recommends, develops, implements, and maintains systems, including the interfaces that connect them.
Divisions: Administration | Application Development & Support | GIS | Operations| Program Management

Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7464

Open Space

The Division of Open Space and Natural Resources seeks to enhance the quality of life for residents by protecting wildlife habitat, natural resources, historic sites, scenic views, and Douglas County’s rural heritage while providing a wide range of compatible outdoor recreation and education opportunities.

Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7495 | Fax: 303.663.2064

Public Trustee (Appointed Office)

The Public Trustee handles Foreclosures of Deeds of Trust, Releases of Deeds of Trust and Tax Escrow Accounts for Land Purchase Contracts for properties located in Douglas County.

Address: 402 Wilcox Street, Castle Rock, CO 80104
Phone: 303.660.7417 | Fax: 303.814.3034

Public Works Engineering

Through its divisions, the department oversees building inspection and permitting, roadway and bridge construction and maintenance, roadway and right-of-way access and construction permitting, traffic management, drainage and stormwater management.
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: 303.688.9343
Traffic Services Division Phone: 303.663.6237 | Fax: 303.484.6355
Stormwater Division Phone:  303.660.7490  | Fax: 303.379.4198

Public Works Operations

Public Works provides a variety of public services related to road maintenance, snow and ice removal, concrete repair, drainage maintenance, trash transfer sites, weed management, and assist with open space maintenance.

Address: 3030 North Industrial Way, Castle Rock, CO 80109
Phone: 303.660.7480 | Fax: 303.814.3319

Sheriff (Elected Office)

The Douglas County Sheriff’s Office is responsible for law enforcement, investigative and detention functions throughout the county, and provides contract police services to the Town of Larkspur.

Address: 4000 Justice Way, Castle Rock, CO 80109
Phone: 303.660.7505 or toll free at 1.800.654.2733

Surveyor (Elected Office)

Responsible for representing the county in boundary disputes.

Address: 300 E. Mineral Avenue, Suite #1
Phone: 303.327.7495
Fax:  303-713-1897

Treasurer (Elected Office)

The County Treasurer’s primary function is the billing, collecting and disbursing of all real and personal property taxes for the County, School District, municipalities and special districts that levy in the County.

Address: 100 Third Street, Castle Rock, CO 80104
Phone: 303.660.7455 | Fax: 303.942.3706