Boulder County Colorado Property Records, Owner & Parcel Lookup
Search Boulder County, Colorado property records by entering a parcel number, owner name, or property address. This tool helps you quickly find public property information maintained by the Boulder County Assessor’s Office, including ownership details, assessed value, parcel data, and property characteristics.
For the most accurate results, enter the parcel number exactly as listed in Boulder County records. You can also search using the property owner’s name or the street address to locate the correct property record
Colorado Property Search
Search Colorado public parcel records by address and owner information
Search Colorado public parcel records by address, owner name, city, ZIP code, or parcel ID
The Boulder County Assessor’s Office conducts regular property assessments to determine updated market values for residential, commercial, and agricultural real estate throughout Boulder County, Colorado. These assessments help ensure accurate property tax calculations and fair valuation across the county.
According to public records, Boulder County maintains over 100,000 property parcels, each assigned a unique parcel number. Using this parcel ID, users can search property owner information, property address, assessed value, land details, building characteristics and tax assessment data. This system helps keep Boulder County property records transparent and accessible to the public.
Boulder County, Colorado Property Data – 2026
Boulder County’s 2026 property data shows a stable market with 112,198 residential and 4,099 commercial parcels. The average single-family home is 1,913 sq. ft. and 44 years old. So far in 2026, 668 homes have sold, with 4,979 sales in 2025. About 46.6% of homes are equity-rich and only 1.07% are underwater. The effective property tax rate is 0.56%, with just 15 foreclosure filings, reflecting a stable housing market.
112,198
Total Residential Properties
668
Total 2026 Residential Sales (year-to-date)
4,099
Total Commercial Properties
1.07%
% of Homes Seriously Underwater (Q2 2025)
0.56%
Effective 2025 Property Tax
44 Years
Avg. Home Age (Single Family Home)
4,979
Total 2025 Residential Sales
15
Total Foreclosure Filings (year-to-date)
1,913
Avg. Square Feet (Single Family Home)
46.6%
% of Equity Rich Homes (Q2 2025)
Major Cities with Property Parcels in Boulder County, Colorado
Several cities in Boulder County, Colorado contain a large share of the county’s residential and commercial parcels. Cities like Boulder, Longmont, and Lafayette have significant property concentrations, making them key locations for homeowners, investors, and real estate professionals reviewing parcel data, property ownership records, and tax assessments within the county.
30,941 Parcels
37,492 Parcels
11,205 Parcels
4 Ways to Search Property Records in Boulder County, Colorado
The Boulder County property search system allows residents, buyers, and researchers to locate public property records using several simple methods. By using the search tools provided through the Boulder County Assessor, you can quickly find ownership details, parcel information, assessed value, building characteristics, and other real estate records for properties across the county.
Boulder County property search by owner name
Enter the property owner’s name to locate parcels registered under that individual or business. This search can reveal ownership records, assessed values, and property characteristics recorded by the Boulder County Assessor.
Boulder County property search by parcel number
Use the parcel number (Property ID) assigned to each property in Boulder County to access precise records such as land size, building information, assessment data, and property history.
Boulder County property search by property address
Searching by street address helps quickly identify a specific property and view details like the current owner, assessed value, parcel data, and property classification.
Boulder County property search by city
You can also search property records by city name, such as Boulder, Longmont, or Lafayette, to narrow results to a particular area within Boulder County and review related property and tax information.
What Information You Can Access with Our Boulder County, Colorado Property Records Tool
Our Boulder County property records tool lets users quickly access data. Search by parcel number, owner name, or address to view ownership, property details, assessed value, and tax information across Boulder County.
Parcel Number
A unique identification number assigned to each property in Boulder County for tracking assessment records and tax-related information.
Account
The official property account reference used internally by the Boulder County Assessor to manage property records and valuation history.
Street Address
The physical address of the property, used to confirm the exact location of the parcel within Boulder County.
City Name
Indicates the municipality where the property is located, such as Boulder, which may influence zoning and local services.
Primary Surface Owner
The legally recorded property owner responsible for the parcel according to Boulder County ownership records.
Owner Street Address
The mailing address where property tax notices and official correspondence are sent to the owner.
Owner City
The city associated with the owner’s mailing address, helping identify whether the owner lives locally or outside the county.
Owner ZIP
The ZIP code connected to the owner’s mailing address for geographic identification and contact purposes.
Legal Description
Detailed legal information describing the parcel, including subdivision, lot, and block details used for official property documentation.
Parcel Square Footage
The total land area of the parcel measured in square feet, helping determine lot size and property layout.
Parcel Acres
The overall land size expressed in acres, commonly used for zoning review, development planning, and land evaluation.
Price of Last Sale
The most recent recorded sale price of the property, useful for tracking market activity and property value trends.
Tax Land Use Description
The property’s classification in county tax records, such as residential, commercial, agricultural, or vacant land.
Subdivision / Condo Name
The official subdivision, neighborhood, or condominium name associated with the property within Boulder County.
Taxable Value
The official subdivision, neighborhood, or condominium name associated with the property within Boulder County.
Parcel Total Value
The total assessed value determined by the Boulder County Assessor, including both land value and any structures on the property.
Boulder County, Colorado Property Tax & Demographic Overview
Discover up-to-date Boulder County property tax and demographic information for key cities and towns. This data includes estimated parcel counts, population size, land area, mill levy rates, and average property tax amounts, providing homeowners, buyers, and investors with the insights needed to make informed real estate and tax planning decisions across Boulder County.
| City / Town | Population (2023/24) | Land Area (Sq. Mile) | Total Parcels | Median Home Value | Est. Mill Levy (Avg) | Median Residential Tax Bill |
|---|---|---|---|---|---|---|
| Boulder | 106,803 | 26.9 | 30,941 | $713,900+ | ~95.00 | ~$6,800 |
| Longmont | 97,833 | 28.7 | 37,492 | $580,000 | ~101.00 | ~$5,900 |
| Lafayette | 30,377 | 9.4 | 11,205 | $645,000 | ~118.00 | ~$7,600 |
| Louisville | 21,171 | 7.9 | 7,450 | $815,000 | ~112.00 | ~$9,100 |
| Erie (BC Portion) | 12,791 | 4.5 | 5,320 | $690,000 | ~125.00 | ~$8,600 |
| Superior | 13,099 | 4.0 | 5,120 | $780,000 | ~120.00 | ~$8,400 |
Explore Nearby Counties Around Boulder County
Boulder County is located along Colorado’s Front Range and is surrounded by several counties that maintain their own public property records and tax assessment systems. When researching land ownership, parcel boundaries, or property taxes in this region, users may also benefit from reviewing records available in nearby counties.