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Single Family ResidenceResidential
$1,120,291$697 / 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 90How 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 $1,100,000 on Sep 22, 2022

1643 PLATTE RIVER DR

ALMA, CO 80420
3
Beds
3
Baths
1,608 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.
5.01 ac
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.
2
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,100,000 · Sep 22, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,589 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$75,500 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$15,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$60,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$75,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,181,829

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.31
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
53
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
42
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
45
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
CountyPark
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.2008
Lot (acres)The size of the land the home sits on, from county records.5.01
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
HeatingThe type of heating system 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
ViewThe type of view from the property, or another feature of the site that affects value.Good
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 400 ft²Porch · 440 ft²

Transaction History(4)

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
South Park High SchoolC-
High · Grades 9–12 · 3.0 mi
M
South Park Middle SchoolD
Middle · Grades 6–8 · 3.0 mi
E
Edith Teter Elementary SchoolF
Elementary · Grades PK–5 · 3.0 mi

District: Park County School District Re-2

Neighborhood · ZIP 80420These 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.140
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.73

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.58%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.1,421
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.29 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,656
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,973
Average tempThe average temperature here across a full year.33°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.69%

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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

1643 Platte River Dr 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 Park County
  • Costs more per square foot than 95% of homes in Park County
  • Bigger than 72% of homes in Alma 80420
  • Has a bigger lot than 86% of homes in Alma 80420
  • Newer than 83% of homes in Park County

What homes are worth in Alma 80420

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

This home
$238K$1.6M

This home is worth more than 93% of homes in Alma 80420.

How it measures up in Alma 80420

The dot is this home. The mark in the middle is the typical home in Alma 80420.

Estimated value$1,120,291
CheaperTypical $618,148Pricier

Pricier than 93% of homes nearby

Price per ft²$697
CheaperTypical $499Pricier

Pricier than 91% of homes nearby

Living area1,608 ft²
SmallerTypical 1,248 ft²Bigger

Bigger than 72% of homes nearby

Lot size5.01 ac
SmallerTypical 1.16 acBigger

Bigger than 86% of homes nearby

Year built2006
OlderTypical 1992Newer

Newer than 82% of homes nearby

How 1643 Platte River Dr ranks against every home in each area.
MeasureThis homeAlma 80420Park County
Estimated valuepricier than$1,120,29193% of homes96% of homes
Price per ft²pricier than$69791% of homes95% of homes
Living areabigger than1,608 ft²72% of homes71% of homes
Lot sizebigger than5.01 ac86% of homes75% of homes
Year builtnewer than200682% of homes83% of homes

About 1643 Platte River Dr

How much is 1643 Platte River Dr, Alma, CO worth?

The TopHap Estimate for 1643 Platte River Dr, Alma, CO is $1,120,291 as of Sep 24, 2026. The likely range is $1,003,009 to $1,237,573. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1643 Platte River Dr, Alma, CO last sell?

1643 Platte River Dr, Alma, CO last sold on Sep 22, 2022 for $1,100,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 1643 Platte River Dr, Alma, CO?

1643 Platte River Dr, Alma, CO has 3 bedrooms, 3 bathrooms, 1,608 square feet of living space and a 5.01-acre lot.

When was 1643 Platte River Dr, Alma, CO built?

1643 Platte River Dr, Alma, CO was built in 2006, making it 20 years old. The building has 2 stories.

What schools serve 1643 Platte River Dr, Alma, CO?

1643 Platte River Dr, Alma, CO is assigned to South Park High School (high), rated C-; South Park Middle School (middle), rated D; Edith Teter Elementary School (elementary), rated F. All sit in Park County School District Re-2. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1643 Platte River Dr, Alma, CO compare to other homes in Alma 80420?

Among the 959 homes in Alma 80420, it is worth more than 93% of them ($1,120,291 against a typical $618,148), its price per square foot is higher than 91% of them ($697 against a typical $499), it is bigger than 72% of them (1,608 ft² against a typical 1,248 ft²), its lot is bigger than 86% of them (5.01 ac against a typical 1.16 ac) and it is newer than 82% of them (2006 against a typical 1992). Measured against all of Park County, it is worth more than 96% 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 1643 Platte River Dr, Alma, CO?

The 2024 property tax bill for 1643 Platte River Dr, Alma, CO was $4,589. The county assessed it at $75,500.

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