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Single Family ResidenceResidential
$1,551,218$1,791 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $681,300 on May 31, 2017

400 ALEXANDER LN

BASALT, CO 81621
1
Beds
1
Baths
866 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.
3,660 ft²
Lot SizeThe size of the land the home sits on, from county records.
2006
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$1.6M
$1.4M low$1.7M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$681,300 · May 31, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,274 (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.$139,790 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$59,320
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$80,470
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$164,890
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,022,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyPITKIN
Lot (acres)The size of the land the home sits on, from county records.0.08
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Radiant
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Basalt High SchoolB-
High · Grades 9–12 · 0.4 mi
E
Basalt Elementary SchoolB+
Elementary · Grades PK–4 · 0.4 mi
M
Basalt Middle SchoolC-
Middle · Grades 5–8 · 0.5 mi

District: Roaring Fork School District Re-1

Neighborhood · ZIP 81621These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.124

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.84%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.6,483
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.23 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$92,796
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$131,117
Average tempThe average temperature here across a full year.38°F
Annual precipHow much rain and melted snow falls here in a typical year.27 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.71%

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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

400 Alexander Ln 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.

  • Worth less than 65% of homes in Pitkin County
  • Costs more per square foot than 96% of homes in Basalt 81621
  • Smaller than 91% of homes in Basalt 81621
  • Newer than 89% of homes in Pitkin County

What homes are worth in Basalt 81621

Each bar is how many homes fall in that price range. The marker is this home.

This home
$453K$7M

This home is worth more than 46% of homes in Basalt 81621.

How it measures up in Basalt 81621

The dot is this home. The mark in the middle is the typical home in Basalt 81621.

Estimated value$1,551,218
CheaperTypical $1,671,974Pricier

Pricier than 46% of homes nearby

Price per ft²$1791
CheaperTypical $889Pricier

Pricier than 96% of homes nearby

Living area866 ft²
SmallerTypical 1,951 ft²Bigger

Bigger than 9% of homes nearby

Lot size3,660 ft²
SmallerTypical 0.14 acBigger

Bigger than 40% of homes nearby

Year built2006
OlderTypical 1996Newer

Newer than 83% of homes nearby

How 400 Alexander Ln ranks against every home in each area.
MeasureThis homeBasalt 81621Pitkin County
Estimated valuepricier than$1,551,21846% of homes35% of homes
Price per ft²pricier than$179196% of homes52% of homes
Living areabigger than866 ft²9% of homes20% of homes
Lot sizebigger than3,660 ft²40% of homes57% of homes
Year builtnewer than200683% of homes89% of homes

About 400 Alexander Ln

How much is 400 Alexander Ln, Basalt, CO worth?

The TopHap Estimate for 400 Alexander Ln, Basalt, CO is $1,551,218 as of Aug 30, 2026. The likely range is $1,408,026 to $1,694,410. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 400 Alexander Ln, Basalt, CO last sell?

400 Alexander Ln, Basalt, CO last sold on May 31, 2017 for $681,300, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 400 Alexander Ln, Basalt, CO?

400 Alexander Ln, Basalt, CO has 1 bedrooms, 1 bathrooms, 866 square feet of living space and a 0.08-acre lot.

When was 400 Alexander Ln, Basalt, CO built?

400 Alexander Ln, Basalt, CO was built in 2006, making it 20 years old. The building has 1 story.

What schools serve 400 Alexander Ln, Basalt, CO?

400 Alexander Ln, Basalt, CO is assigned to Basalt High School (high), rated B-; Basalt Elementary School (elementary), rated B+; Basalt Middle School (middle), rated C-. All sit in Roaring Fork School District Re-1. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 400 Alexander Ln, Basalt, CO compare to other homes in Basalt 81621?

Among the 2,643 homes in Basalt 81621, it is worth more than 46% of them ($1,551,218 against a typical $1,671,974), its price per square foot is higher than 96% of them ($1791 against a typical $889), it is bigger than 9% of them (866 ft² against a typical 1,951 ft²), its lot is bigger than 40% of them (3,660 ft² against a typical 0.14 ac) and it is newer than 83% of them (2006 against a typical 1996). Measured against all of Pitkin County, it is worth more than 35% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 400 Alexander Ln, Basalt, CO?

The 2025 property tax bill for 400 Alexander Ln, Basalt, CO was $12,274. The county assessed it at $139,790.

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