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Single Family ResidenceResidential
$5,864,136$2,464 / 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 39How 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 $2,000,000 on Aug 2, 2001

23 ALTAMIRA RANCH RD

BASALT, CO 81621
3
Beds
3.5
Baths
2,380 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1997
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$5.9M
$2.3M low$9.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$2,000,000 · Aug 2, 2001

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$37,721 (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.$412,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$125,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$287,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$436,420
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$6,592,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.43 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyPITKIN
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.1999
Lot (acres)The size of the land the home sits on, from county records.0.20
ConstructionThe main material the home's frame and walls are built from.Log
RoofThe main material covering the roof, such as asphalt shingle or tile.Wood Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 738 ft²

Transaction History(2)

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 · 0.9 mi
M
Basalt Middle SchoolC-
Middle · Grades 5–8 · 0.9 mi
E
Basalt Elementary SchoolB+
Elementary · Grades PK–4 · 1.1 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

23 Altamira Ranch Rd 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 more than 96% of homes in Basalt 81621
  • Among the highest price per square foot in Basalt 81621
  • Has a bigger lot than 65% of homes in Pitkin County
  • Newer than 72% 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
$510K$7.6M

This home is worth more than 96% 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$5,864,136
CheaperTypical $1,681,062Pricier

Pricier than 96% of homes nearby

Price per ft²$2464
CheaperTypical $887Pricier

Pricier than almost all homes nearby

Living area2,380 ft²
SmallerTypical 1,964 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.2 ac
SmallerTypical 0.14 acBigger

Bigger than 59% of homes nearby

Year built1997
OlderTypical 1996Newer

Newer than 56% of homes nearby

How 23 Altamira Ranch Rd ranks against every home in each area.
MeasureThis homeBasalt 81621Pitkin County
Estimated valuepricier than$5,864,13696% of homes75% of homes
Price per ft²pricier than$2464almost all homes74% of homes
Living areabigger than2,380 ft²64% of homes64% of homes
Lot sizebigger than0.2 ac59% of homes65% of homes
Year builtnewer than199756% of homes72% of homes

About 23 Altamira Ranch Rd

How much is 23 Altamira Ranch Rd, Basalt, CO worth?

The TopHap Estimate for 23 Altamira Ranch Rd, Basalt, CO is $5,864,136 as of Aug 30, 2026. The likely range is $2,315,349 to $9,412,923. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 Altamira Ranch Rd, Basalt, CO last sell?

23 Altamira Ranch Rd, Basalt, CO last sold on Aug 2, 2001 for $2,000,000, according to the county's recorded deed.

How big is 23 Altamira Ranch Rd, Basalt, CO?

23 Altamira Ranch Rd, Basalt, CO has 3 bedrooms, 3.5 bathrooms, 2,380 square feet of living space and a 0.20-acre lot.

When was 23 Altamira Ranch Rd, Basalt, CO built?

23 Altamira Ranch Rd, Basalt, CO was built in 1997, making it 29 years old. The building has 1 story.

What schools serve 23 Altamira Ranch Rd, Basalt, CO?

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

How does 23 Altamira Ranch Rd, Basalt, CO compare to other homes in Basalt 81621?

Among the 2,642 homes in Basalt 81621, it is worth more than 96% of them ($5,864,136 against a typical $1,681,062), its price per square foot is higher than almost all of them ($2464 against a typical $887), it is bigger than 64% of them (2,380 ft² against a typical 1,964 ft²), its lot is bigger than 59% of them (0.2 ac against a typical 0.14 ac) and it is newer than 56% of them (1997 against a typical 1996). Measured against all of Pitkin County, it is worth more than 75% 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 23 Altamira Ranch Rd, Basalt, CO?

The 2025 property tax bill for 23 Altamira Ranch Rd, Basalt, CO was $37,721. The county assessed it at $412,000.

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