Boulder County Property Search

Search free Boulder County CO property, land, and tax records through local government assessors, auditors, clerks, property appraisers, deeds recorders, treasurers, tax collectors, city halls, and town halls.


The Boulder County Assessor is responsible for determining the value of property in order to determine Boulder County property taxes. The Boulder County Assessment Office collect data from on-site inspections, value assessments for construction or improvements, comparable sales, and calculations of depreciation. The Boulder County Tax Assessor maintains current data on every parcel in the Boulder County, which includes ownership information, maps of property lines, inventories of parcels and structures, and the value of all the property in the Boulder County, CO. The Boulder County Assessor’s Office can answer questions regarding Boulder County property tax appeals and assessments, Boulder County property tax rates and payment due dates.

Boulder County Assessor's Office Boulder CO PO Box 471 80306 303-441-3530


The Boulder County Clerk files important documents and preserves municipal records in order to maintain an archive of Boulder County property records that can be accessed by the public. The Clerk's Office is a valuable source of information on property in Boulder County, Colorado. The Boulder County Clerk's Office contains documentation on real estate excise taxes, registered land, and property transactions, as well as land documents including Boulder County deeds, mortgages, and liens on properties.

Boulder County Clerk Boulder CO 1750 33rd Street 80301 303-413-7770

Boulder County Clerk Lafayette CO 1376 Miners Drive 80026 303-413-7700

Colorado State Clerk Boulder CO 1777 6th Street 80302 303-441-3750


The Boulder County Recorders of Deeds maintain public records, particularly documents related to property and land records, and make them available for public access in Boulder County, CO. The Office of Recorder of Deeds in Boulder County is a valuable source of information on property records The Recorder of Deeds maintains documents on land transactions within its jurisdictions, including Boulder County deeds and titles, mortgages, property ownership records, surveys, and easements, as well as tax liens.

Boulder County Recorder of Deeds Boulder CO 1750 33rd Street 80301 303-413-7770


Boulder County Town Halls and City Hall are the chief administrative offices that runs the town or city. The Town Hall or City Hall often maintains records related to the locality, including Boulder County property taxes, property value assessments, and land transactions, as well as property sales and transfers in Boulder County, Colorado.

Boulder City Hall Boulder CO 118 Main Street 80302 303-449-1806

Jamestown Town Hall Jamestown CO 118 MAIN St 80455 303-449-1806

Lafayette City Hall Lafayette CO 415 North 111th Street 80026 303-665-5588

Louisville City Hall Louisville CO 749 Main St 80027 303-666-6565

Lyons Town Hall Lyons CO 432 5th Avenue 80540 303-823-6622

Nederland Town Hall Nederland CO 45 West 1st Street 80466 303-258-3266

Superior Town Hall Superior CO 124 East Coal Creek Drive 80027 303-499-3675


The Boulder County Treasurer and Tax Collector’s Office is responsible for the collection of Boulder County property tax revenue. The Treasurer and Tax Collector maintains current Boulder County property tax information including Boulder County property ownership information, GIS Maps, tax maps, historical property tax rates, lists of sold parcels, and is also charged with the sale of properties due to a default on taxes in Boulder County, Colorado.

Boulder County (Co) Treasurer's Office Boulder CO 1325 Pearl Street 80302 303-441-3520