Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$309,878$188 / 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 85How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $300,000 on Feb 13, 2025

85 SIERRA AVE

ALAMOSA, CO 81101
3
Beds
2
Baths
1,647 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1959
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$310K
$265K low$355K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Feb 13, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,503 (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.$19,245 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,449
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$17,796
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$18,377
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$307,918

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.30
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
28
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
50
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
2
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
69
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyALAMOSA
Lot (acres)The size of the land the home sits on, from county records.0.18
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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.

M
Ortega Middle SchoolD-
Middle · Grades 6–8 · 0.5 mi
E
Alamosa Elementary SchoolC-
Elementary · Grades KG–5 · 0.9 mi
H
Alamosa High SchoolF
High · Grades 9–12 · 1.1 mi

District: Alamosa School District Re-11j

Neighborhood · ZIP 81101These 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.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.74

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.91%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.15,741
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.40 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$55,574
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$79,364
Average tempThe average temperature here across a full year.42°F
Annual precipHow much rain and melted snow falls here in a typical year.8 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.81%

Owner Tools

Do you own this home?
Claim this home

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

85 Sierra Ave 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.

  • Has a smaller lot than 73% of homes in Alamosa 81101
  • Older than 69% of homes in Alamosa 81101

What homes are worth in Alamosa 81101

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

This home
$104K$678K

This home is worth more than 63% of homes in Alamosa 81101.

How it measures up in Alamosa 81101

The dot is this home. The mark in the middle is the typical home in Alamosa 81101.

Estimated value$309,878
CheaperTypical $268,202Pricier

Pricier than 63% of homes nearby

Price per ft²$188
CheaperTypical $182Pricier

Pricier than 55% of homes nearby

Living area1,647 ft²
SmallerTypical 1,454 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.18 ac
SmallerTypical 0.32 acBigger

Bigger than 27% of homes nearby

Year built1959
OlderTypical 1975Newer

Newer than 31% of homes nearby

How 85 Sierra Ave ranks against every home in each area.
MeasureThis homeAlamosa 81101
Estimated valuepricier than$309,87863% of homes
Price per ft²pricier than$18855% of homes
Living areabigger than1,647 ft²62% of homes
Lot sizebigger than0.18 ac27% of homes
Year builtnewer than195931% of homes

About 85 Sierra Ave

How much is 85 Sierra Ave, Alamosa, CO worth?

The TopHap Estimate for 85 Sierra Ave, Alamosa, CO is $309,878 as of Sep 24, 2026. The likely range is $264,764 to $354,992. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 85 Sierra Ave, Alamosa, CO last sell?

85 Sierra Ave, Alamosa, CO last sold on Feb 13, 2025 for $300,000, according to the county's recorded deed.

How big is 85 Sierra Ave, Alamosa, CO?

85 Sierra Ave, Alamosa, CO has 3 bedrooms, 2 bathrooms, 1,647 square feet of living space and a 0.18-acre lot.

When was 85 Sierra Ave, Alamosa, CO built?

85 Sierra Ave, Alamosa, CO was built in 1959, making it 67 years old. It is a ranch home. The building has 1 story.

What schools serve 85 Sierra Ave, Alamosa, CO?

85 Sierra Ave, Alamosa, CO is assigned to Ortega Middle School (middle), rated D-; Alamosa Elementary School (elementary), rated C-; Alamosa High School (high), rated F. All sit in Alamosa School District Re-11j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 85 Sierra Ave, Alamosa, CO compare to other homes in Alamosa 81101?

Among the 5,423 homes in Alamosa 81101, it is worth more than 63% of them ($309,878 against a typical $268,202), its price per square foot is higher than 55% of them ($188 against a typical $182), it is bigger than 62% of them (1,647 ft² against a typical 1,454 ft²), its lot is bigger than 27% of them (0.18 ac against a typical 0.32 ac) and it is newer than 31% of them (1959 against a typical 1975). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 85 Sierra Ave, Alamosa, CO?

The 2025 property tax bill for 85 Sierra Ave, Alamosa, CO was $1,503. The county assessed it at $19,245.

More homes on Sierra Ave

Closest homes

More homes in Alamosa 81101

Assigned schools

Explore the area

See this home in context

Open 85 Sierra Ave on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map