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Single Family ResidenceResidential
Last sold for $321,000 on Mar 23, 2026

4651 PORTSIDE WAY

BOULDER, CO 80301
2
Beds
1.5
Baths
1,024 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
1980
Year BuiltThe year the home was originally built, according to county records.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$321,000 · Mar 23, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,591 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$17,408 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$17,408
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$16,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$256,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyBOULDER
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2000
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Neighborhood · ZIP 80301These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.106
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.50

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.26,811
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.855 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$101,150
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,644
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.16 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.69%

Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

4651 Portside Way measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Smaller than 86% of homes in Boulder County

How it measures up in Boulder 80301

The dot is this home. The mark in the middle is the typical home in Boulder 80301.

Living area1,024 ft²
SmallerTypical 1,586 ft²Bigger

Bigger than 30% of homes nearby

Year built1980
OlderTypical 1983Newer

Newer than 43% of homes nearby

How 4651 Portside Way ranks against every home in each area.
MeasureThis homeBoulder 80301Boulder County
Living areabigger than1,024 ft²30% of homes14% of homes
Year builtnewer than198043% of homes43% of homes

About 4651 Portside Way

When did 4651 Portside Way, Boulder, CO last sell?

4651 Portside Way, Boulder, CO last sold on Mar 23, 2026 for $321,000, according to the county's recorded deed.

How big is 4651 Portside Way, Boulder, CO?

4651 Portside Way, Boulder, CO has 2 bedrooms, 1.5 bathrooms and 1,024 square feet of living space.

When was 4651 Portside Way, Boulder, CO built?

4651 Portside Way, Boulder, CO was built in 1980, making it 46 years old. It is a townhouse home.

How does 4651 Portside Way, Boulder, CO compare to other homes in Boulder 80301?

Among the 9,297 homes in Boulder 80301, it is bigger than 30% of them (1,024 ft² against a typical 1,586 ft²) and it is newer than 43% of them (1980 against a typical 1983). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 4651 Portside Way, Boulder, CO?

The 2025 property tax bill for 4651 Portside Way, Boulder, CO was $1,591. The county assessed it at $17,408.

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