Prior 2009/2010 Tax Years: Comparable Sales

Base Period Sales from July 1, 2006–June 30, 2008

The Assessor offers property listings from (July 1, 2006 – June 30, 2008). These listings may help you determine your property’s worth. Properties that are comparable to yours are often found in the same subdivision or neighborhood.

Find Your Neighborhood

Your neighborhood number is listed on your Notice of Valuation on the left side of the page below the Location and Legal Description. It will be labeled with the letters “Nbhd”.

Sample Notice of Valuation

Neighborhood Maps

You may also locate your neighborhood by using the Boulder County residential neighborhood maps.

Sales Dates in the Listing

The available sales listed occurred between July 1, 2006 and June 30, 2008. These sales are the basis for the tax years 2009/2010. In the sales listings, use the time-adjusted sales price when appealing your property.

Time Trending

To see what the trend factors are for different areas in Boulder County, refer to:

Using Time Trending

Lists of Comparable Sales

Sales are provided for each property type. Each sale listed includes the date and time of sale, building type, and other information about that sale. For condos and single family residential sales, lists are provided by city and specific neighborhood.

Apartment Buildings & Commercial Property

2009 Apartment Buildings PDF XLS
2009 Commercial Property PDF XLS


These sales are sorted first by economic area, then by neighborhood, then by street address.

Condominium Economic Codes:

30 = City of Boulder - Typical Condos
31 = City of Boulder - Urban High-End Condos
32 = Other Cities - Typical Condos

2009 Condominium Sales
Boulder PDF XLS
Lafayette PDF XLS
Longmont PDF XLS
Louisville PDF XLS
Superior PDF XLS

Single Family Residential Sales

In areas where sales between the July 1, 2006 to June 30, 2008 period are few, the Assessor is allowed to use comparable sales going back as far as five years prior to June 30, 2008.

Complete listing of 2009/2010 Single Family Residential Sales

Vacant Land Sales

Sales are sorted first by street name, then by street address.

Land size under “acres” is not necessarily the surveyed land size. In many cases the land size is only a GIS (Geographic Information systems) measurement.

2009 Vacant Property PDF XLS

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