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Single Family ResidenceResidential
$350,502$204 / 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 94How 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 $366,900 on Oct 7, 2024

20 MILL RUN RD

MOSCA, CO 81146
4
Beds
2
Baths
1,715 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.
1.03 ac
Lot SizeThe size of the land the home sits on, from county records.
1996
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.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$351K
$331K low$370K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$366,900 · Oct 7, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$933 (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.$19,075 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,063
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$18,012
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$17,576
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$305,191

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
34
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
62
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
14
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
98
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
CountyALAMOSA
Lot (acres)The size of the land the home sits on, from county records.1.03
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.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, Detached
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.Deck

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.

E
Sangre De Cristo Elementary SchoolB+
Elementary · Grades PK–5 · 16.7 mi
M
Sangre De Cristo Middle / High SchoolC
Middle · Grades 6–12 · 16.7 mi

District: Sangre de Cristo School District Re-22j

Neighborhood · ZIP 81146These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
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.82%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.6%
PopulationHow many people live in this area.889
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,577
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,684
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%

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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

20 Mill Run 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 76% of homes in Alamosa County
  • Costs more per square foot than 72% of homes in Alamosa County
  • Bigger than 65% of homes in Mosca 81146
  • Has a smaller lot than 85% of homes in Mosca 81146
  • Newer than 73% of homes in Alamosa County

What homes are worth in Mosca 81146

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

This home
$67K$596K

This home is worth more than 74% of homes in Mosca 81146.

How it measures up in Mosca 81146

The dot is this home. The mark in the middle is the typical home in Mosca 81146.

Estimated value$350,502
CheaperTypical $268,888Pricier

Pricier than 74% of homes nearby

Price per ft²$204
CheaperTypical $184Pricier

Pricier than 61% of homes nearby

Living area1,715 ft²
SmallerTypical 1,458 ft²Bigger

Bigger than 65% of homes nearby

Lot size1.03 ac
SmallerTypical 5.33 acBigger

Bigger than 15% of homes nearby

Year built1996
OlderTypical 1996Newer

Newer than 52% of homes nearby

How 20 Mill Run Rd ranks against every home in each area.
MeasureThis homeMosca 81146Alamosa County
Estimated valuepricier than$350,50274% of homes76% of homes
Price per ft²pricier than$20461% of homes72% of homes
Living areabigger than1,715 ft²65% of homes65% of homes
Lot sizebigger than1.03 ac15% of homes60% of homes
Year builtnewer than199652% of homes73% of homes

About 20 Mill Run Rd

How much is 20 Mill Run Rd, Mosca, CO worth?

The TopHap Estimate for 20 Mill Run Rd, Mosca, CO is $350,502 as of Aug 30, 2026. The likely range is $330,623 to $370,381. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Mill Run Rd, Mosca, CO last sell?

20 Mill Run Rd, Mosca, CO last sold on Oct 7, 2024 for $366,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 20 Mill Run Rd, Mosca, CO?

20 Mill Run Rd, Mosca, CO has 4 bedrooms, 2 bathrooms, 1,715 square feet of living space and a 1.03-acre lot.

When was 20 Mill Run Rd, Mosca, CO built?

20 Mill Run Rd, Mosca, CO was built in 1996, making it 30 years old. The building has 1 story.

What schools serve 20 Mill Run Rd, Mosca, CO?

20 Mill Run Rd, Mosca, CO is assigned to Sangre De Cristo Elementary School (elementary), rated B+; Sangre De Cristo Middle / High School (middle), rated C. All sit in Sangre de Cristo School District Re-22j. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Mill Run Rd, Mosca, CO compare to other homes in Mosca 81146?

Among the 323 homes in Mosca 81146, it is worth more than 74% of them ($350,502 against a typical $268,888), its price per square foot is higher than 61% of them ($204 against a typical $184), it is bigger than 65% of them (1,715 ft² against a typical 1,458 ft²), its lot is bigger than 15% of them (1.03 ac against a typical 5.33 ac) and it is newer than 52% of them (1996 against a typical 1996). Measured against all of Alamosa County, it is worth more than 76% 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 20 Mill Run Rd, Mosca, CO?

The 2025 property tax bill for 20 Mill Run Rd, Mosca, CO was $933. The county assessed it at $19,075.

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