Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$178,548$158 / 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 95How 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

521 ALAMOSA AVE

ALAMOSA, CO 81101
3
Beds
1
Baths
1,131 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1921
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$179K
$169K low$188K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$256 (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.$10,062 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,125
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$8,937
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$9,203
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$161,003

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.28
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
24
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
47
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
1
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.0.14
ConstructionThe main material the home's frame and walls are built from.Mixed (Not Specified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Composition (rolled Mineral Roof)
HeatingThe type of heating system in the home.None
CoolingThe type of cooling or air conditioning in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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.

E
Alamosa Elementary SchoolC-
Elementary · Grades KG–5 · 0.8 mi
M
Ortega Middle SchoolD-
Middle · Grades 6–8 · 1.0 mi
H
Alamosa High SchoolF
High · Grades 9–12 · 1.6 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

521 Alamosa 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.

  • Worth less than 83% of homes in Alamosa 81101
  • Costs less per square foot than 71% of homes in Alamosa 81101
  • Smaller than 73% of homes in Alamosa 81101
  • Has a smaller lot than 88% of homes in Alamosa 81101
  • Older than 88% 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
$106K$660K

This home is worth more than 17% 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$178,548
CheaperTypical $269,250Pricier

Pricier than 17% of homes nearby

Price per ft²$158
CheaperTypical $182Pricier

Pricier than 29% of homes nearby

Living area1,131 ft²
SmallerTypical 1,456 ft²Bigger

Bigger than 27% of homes nearby

Lot size0.14 ac
SmallerTypical 0.32 acBigger

Bigger than 12% of homes nearby

Year built1921
OlderTypical 1975Newer

Newer than 12% of homes nearby

How 521 Alamosa Ave ranks against every home in each area.
MeasureThis homeAlamosa 81101
Estimated valuepricier than$178,54817% of homes
Price per ft²pricier than$15829% of homes
Living areabigger than1,131 ft²27% of homes
Lot sizebigger than0.14 ac12% of homes
Year builtnewer than192112% of homes

About 521 Alamosa Ave

How much is 521 Alamosa Ave, Alamosa, CO worth?

The TopHap Estimate for 521 Alamosa Ave, Alamosa, CO is $178,548 as of Sep 24, 2026. The likely range is $169,121 to $187,975. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Alamosa Ave, Alamosa, CO last sell?

521 Alamosa Ave, Alamosa, CO last sold on Apr 12, 1985, according to the county's recorded deed.

How big is 521 Alamosa Ave, Alamosa, CO?

521 Alamosa Ave, Alamosa, CO has 3 bedrooms, 1 bathrooms, 1,131 square feet of living space and a 0.14-acre lot.

When was 521 Alamosa Ave, Alamosa, CO built?

521 Alamosa Ave, Alamosa, CO was built in 1921, making it 105 years old. It is a ranch home. The building has 1 story.

What schools serve 521 Alamosa Ave, Alamosa, CO?

521 Alamosa Ave, Alamosa, CO is assigned to Alamosa Elementary School (elementary), rated C-; Ortega Middle School (middle), rated D-; 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 521 Alamosa Ave, Alamosa, CO compare to other homes in Alamosa 81101?

Among the 5,423 homes in Alamosa 81101, it is worth more than 17% of them ($178,548 against a typical $269,250), its price per square foot is higher than 29% of them ($158 against a typical $182), it is bigger than 27% of them (1,131 ft² against a typical 1,456 ft²), its lot is bigger than 12% of them (0.14 ac against a typical 0.32 ac) and it is newer than 12% of them (1921 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 521 Alamosa Ave, Alamosa, CO?

The 2025 property tax bill for 521 Alamosa Ave, Alamosa, CO was $256. The county assessed it at $10,062.

More homes on Alamosa Ave

Closest homes

More homes in Alamosa 81101

Assigned schools

Explore the area

See this home in context

Open 521 Alamosa 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